irqdomain: Cleanups and Documentation

[PATCH v2 41/57] irqdomain: ppc: Switch to irq_find_mapping()

Posted by Jiri Slaby (SUSE) 9 months ago

irq_linear_revmap() is deprecated, so remove all its uses and supersede
them by an identical call to irq_find_mapping().

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Naveen N Rao <naveen@kernel.org>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Scott Wood <oss@buserror.net>
Cc: linuxppc-dev@lists.ozlabs.org
---
 arch/powerpc/platforms/44x/uic.c                 | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_gpt.c        | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_pic.c        | 2 +-
 arch/powerpc/platforms/85xx/socrates_fpga_pic.c  | 2 +-
 arch/powerpc/platforms/8xx/cpm1-ic.c             | 2 +-
 arch/powerpc/platforms/8xx/pic.c                 | 2 +-
 arch/powerpc/platforms/embedded6xx/flipper-pic.c | 2 +-
 arch/powerpc/platforms/embedded6xx/hlwd-pic.c    | 2 +-
 arch/powerpc/platforms/powermac/pic.c            | 2 +-
 arch/powerpc/sysdev/cpm2_pic.c                   | 2 +-
 arch/powerpc/sysdev/ehv_pic.c                    | 2 +-
 arch/powerpc/sysdev/ge/ge_pic.c                  | 2 +-
 arch/powerpc/sysdev/ipic.c                       | 2 +-
 arch/powerpc/sysdev/mpic.c                       | 4 ++--
 14 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/platforms/44x/uic.c b/arch/powerpc/platforms/44x/uic.c
index 481ec25ce78f..85daf841fd3f 100644
--- a/arch/powerpc/platforms/44x/uic.c
+++ b/arch/powerpc/platforms/44x/uic.c
@@ -328,5 +328,5 @@ unsigned int uic_get_irq(void)
 	msr = mfdcr(primary_uic->dcrbase + UIC_MSR);
 	src = 32 - ffs(msr);
 
-	return irq_linear_revmap(primary_uic->irqhost, src);
+	return irq_find_mapping(primary_uic->irqhost, src);
 }
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index f042b21b2b73..3dbe5a5e5d1f 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -369,7 +369,7 @@ struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq)
 	mutex_lock(&mpc52xx_gpt_list_mutex);
 	list_for_each(pos, &mpc52xx_gpt_list) {
 		gpt = container_of(pos, struct mpc52xx_gpt_priv, list);
-		if (gpt->irqhost && irq == irq_linear_revmap(gpt->irqhost, 0)) {
+		if (gpt->irqhost && irq == irq_find_mapping(gpt->irqhost, 0)) {
 			mutex_unlock(&mpc52xx_gpt_list_mutex);
 			return gpt;
 		}
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 7ec56d3788a9..eb6a4e745c08 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -515,5 +515,5 @@ unsigned int mpc52xx_get_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpc52xx_irqhost, irq);
+	return irq_find_mapping(mpc52xx_irqhost, irq);
 }
diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
index b4f6360830b1..4b69fb321a68 100644
--- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
+++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
@@ -83,7 +83,7 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq)
 		if (cause >> (i + 16))
 			break;
 	}
-	return irq_linear_revmap(socrates_fpga_pic_irq_host,
+	return irq_find_mapping(socrates_fpga_pic_irq_host,
 			(irq_hw_number_t)i);
 }
 
diff --git a/arch/powerpc/platforms/8xx/cpm1-ic.c b/arch/powerpc/platforms/8xx/cpm1-ic.c
index 1549f6cd29f4..a49d4a9ab3bc 100644
--- a/arch/powerpc/platforms/8xx/cpm1-ic.c
+++ b/arch/powerpc/platforms/8xx/cpm1-ic.c
@@ -59,7 +59,7 @@ static int cpm_get_irq(struct irq_desc *desc)
 	cpm_vec = in_be16(&data->reg->cpic_civr);
 	cpm_vec >>= 11;
 
-	return irq_linear_revmap(data->host, cpm_vec);
+	return irq_find_mapping(data->host, cpm_vec);
 }
 
 static void cpm_cascade(struct irq_desc *desc)
diff --git a/arch/powerpc/platforms/8xx/pic.c b/arch/powerpc/platforms/8xx/pic.c
index 7639f28172be..933d6ab7f512 100644
--- a/arch/powerpc/platforms/8xx/pic.c
+++ b/arch/powerpc/platforms/8xx/pic.c
@@ -80,7 +80,7 @@ unsigned int mpc8xx_get_irq(void)
 	if (irq == PIC_VEC_SPURRIOUS)
 		return 0;
 
-        return irq_linear_revmap(mpc8xx_pic_host, irq);
+        return irq_find_mapping(mpc8xx_pic_host, irq);
 
 }
 
diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
index a41649bf0cb8..91a8f0a7086e 100644
--- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
@@ -173,7 +173,7 @@ unsigned int flipper_pic_get_irq(void)
 		return 0;	/* no more IRQs pending */
 
 	irq = __ffs(irq_status);
-	return irq_linear_revmap(flipper_irq_host, irq);
+	return irq_find_mapping(flipper_irq_host, irq);
 }
 
 /*
diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index 9abb3da36ba5..b57e87b0b3ce 100644
--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
@@ -190,7 +190,7 @@ static struct irq_domain *__init hlwd_pic_init(struct device_node *np)
 unsigned int hlwd_pic_get_irq(void)
 {
 	unsigned int hwirq = __hlwd_pic_get_irq(hlwd_irq_host);
-	return hwirq ? irq_linear_revmap(hlwd_irq_host, hwirq) : 0;
+	return hwirq ? irq_find_mapping(hlwd_irq_host, hwirq) : 0;
 }
 
 /*
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 2eddc8bff7ab..c37783a03d25 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -250,7 +250,7 @@ static unsigned int pmac_pic_get_irq(void)
 	raw_spin_unlock_irqrestore(&pmac_pic_lock, flags);
 	if (unlikely(irq < 0))
 		return 0;
-	return irq_linear_revmap(pmac_pic_host, irq);
+	return irq_find_mapping(pmac_pic_host, irq);
 }
 
 static int pmac_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index c63d72f17a3e..4a59ed1d62ce 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -207,7 +207,7 @@ unsigned int cpm2_get_irq(void)
 
 	if (irq == 0)
 		return(-1);
-	return irq_linear_revmap(cpm2_pic_host, irq);
+	return irq_find_mapping(cpm2_pic_host, irq);
 }
 
 static int cpm2_pic_host_map(struct irq_domain *h, unsigned int virq,
diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c
index 4ee8d36ca647..b6f9774038e1 100644
--- a/arch/powerpc/sysdev/ehv_pic.c
+++ b/arch/powerpc/sysdev/ehv_pic.c
@@ -175,7 +175,7 @@ unsigned int ehv_pic_get_irq(void)
 	 * this will also setup revmap[] in the slow path for the first
 	 * time, next calls will always use fast path by indexing revmap
 	 */
-	return irq_linear_revmap(global_ehv_pic->irqhost, irq);
+	return irq_find_mapping(global_ehv_pic->irqhost, irq);
 }
 
 static int ehv_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c
index 5b1f8dc3c960..0bc3f0b36528 100644
--- a/arch/powerpc/sysdev/ge/ge_pic.c
+++ b/arch/powerpc/sysdev/ge/ge_pic.c
@@ -245,7 +245,7 @@ unsigned int gef_pic_get_irq(void)
 			if (active & (0x1 << hwirq))
 				break;
 		}
-		virq = irq_linear_revmap(gef_pic_irq_host,
+		virq = irq_find_mapping(gef_pic_irq_host,
 			(irq_hw_number_t)hwirq);
 	}
 
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index f7b415ebb71c..70be2105865d 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -801,7 +801,7 @@ unsigned int ipic_get_irq(void)
 	if (irq == 0)    /* 0 --> no irq is pending */
 		return 0;
 
-	return irq_linear_revmap(primary_ipic->irqhost, irq);
+	return irq_find_mapping(primary_ipic->irqhost, irq);
 }
 
 #ifdef CONFIG_SUSPEND
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3de090159a1b..787a88efdb35 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1785,7 +1785,7 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 }
 
 unsigned int mpic_get_one_irq(struct mpic *mpic)
@@ -1823,7 +1823,7 @@ unsigned int mpic_get_coreint_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 #else
 	return 0;
 #endif
-- 
2.49.0

Re: [PATCH v2 41/57] irqdomain: ppc: Switch to irq_find_mapping()

Posted by Christophe Leroy 9 months ago


Le 19/03/2025 à 10:29, Jiri Slaby (SUSE) a écrit :
> irq_linear_revmap() is deprecated, so remove all its uses and supersede
> them by an identical call to irq_find_mapping().
> 
> Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
> Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Nicholas Piggin <npiggin@gmail.com>
> Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
> Cc: Naveen N Rao <naveen@kernel.org>
> Cc: Anatolij Gustschin <agust@denx.de>
> Cc: Scott Wood <oss@buserror.net>
> Cc: linuxppc-dev@lists.ozlabs.org

Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu> # for 8xx

> ---
>   arch/powerpc/platforms/44x/uic.c                 | 2 +-
>   arch/powerpc/platforms/52xx/mpc52xx_gpt.c        | 2 +-
>   arch/powerpc/platforms/52xx/mpc52xx_pic.c        | 2 +-
>   arch/powerpc/platforms/85xx/socrates_fpga_pic.c  | 2 +-
>   arch/powerpc/platforms/8xx/cpm1-ic.c             | 2 +-
>   arch/powerpc/platforms/8xx/pic.c                 | 2 +-
>   arch/powerpc/platforms/embedded6xx/flipper-pic.c | 2 +-
>   arch/powerpc/platforms/embedded6xx/hlwd-pic.c    | 2 +-
>   arch/powerpc/platforms/powermac/pic.c            | 2 +-
>   arch/powerpc/sysdev/cpm2_pic.c                   | 2 +-
>   arch/powerpc/sysdev/ehv_pic.c                    | 2 +-
>   arch/powerpc/sysdev/ge/ge_pic.c                  | 2 +-
>   arch/powerpc/sysdev/ipic.c                       | 2 +-
>   arch/powerpc/sysdev/mpic.c                       | 4 ++--
>   14 files changed, 15 insertions(+), 15 deletions(-)
> 
> diff --git a/arch/powerpc/platforms/44x/uic.c b/arch/powerpc/platforms/44x/uic.c
> index 481ec25ce78f..85daf841fd3f 100644
> --- a/arch/powerpc/platforms/44x/uic.c
> +++ b/arch/powerpc/platforms/44x/uic.c
> @@ -328,5 +328,5 @@ unsigned int uic_get_irq(void)
>   	msr = mfdcr(primary_uic->dcrbase + UIC_MSR);
>   	src = 32 - ffs(msr);
>   
> -	return irq_linear_revmap(primary_uic->irqhost, src);
> +	return irq_find_mapping(primary_uic->irqhost, src);
>   }
> diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
> index f042b21b2b73..3dbe5a5e5d1f 100644
> --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
> +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
> @@ -369,7 +369,7 @@ struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq)
>   	mutex_lock(&mpc52xx_gpt_list_mutex);
>   	list_for_each(pos, &mpc52xx_gpt_list) {
>   		gpt = container_of(pos, struct mpc52xx_gpt_priv, list);
> -		if (gpt->irqhost && irq == irq_linear_revmap(gpt->irqhost, 0)) {
> +		if (gpt->irqhost && irq == irq_find_mapping(gpt->irqhost, 0)) {
>   			mutex_unlock(&mpc52xx_gpt_list_mutex);
>   			return gpt;
>   		}
> diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
> index 7ec56d3788a9..eb6a4e745c08 100644
> --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
> +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
> @@ -515,5 +515,5 @@ unsigned int mpc52xx_get_irq(void)
>   		return 0;
>   	}
>   
> -	return irq_linear_revmap(mpc52xx_irqhost, irq);
> +	return irq_find_mapping(mpc52xx_irqhost, irq);
>   }
> diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
> index b4f6360830b1..4b69fb321a68 100644
> --- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
> +++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
> @@ -83,7 +83,7 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq)
>   		if (cause >> (i + 16))
>   			break;
>   	}
> -	return irq_linear_revmap(socrates_fpga_pic_irq_host,
> +	return irq_find_mapping(socrates_fpga_pic_irq_host,
>   			(irq_hw_number_t)i);
>   }
>   
> diff --git a/arch/powerpc/platforms/8xx/cpm1-ic.c b/arch/powerpc/platforms/8xx/cpm1-ic.c
> index 1549f6cd29f4..a49d4a9ab3bc 100644
> --- a/arch/powerpc/platforms/8xx/cpm1-ic.c
> +++ b/arch/powerpc/platforms/8xx/cpm1-ic.c
> @@ -59,7 +59,7 @@ static int cpm_get_irq(struct irq_desc *desc)
>   	cpm_vec = in_be16(&data->reg->cpic_civr);
>   	cpm_vec >>= 11;
>   
> -	return irq_linear_revmap(data->host, cpm_vec);
> +	return irq_find_mapping(data->host, cpm_vec);
>   }
>   
>   static void cpm_cascade(struct irq_desc *desc)
> diff --git a/arch/powerpc/platforms/8xx/pic.c b/arch/powerpc/platforms/8xx/pic.c
> index 7639f28172be..933d6ab7f512 100644
> --- a/arch/powerpc/platforms/8xx/pic.c
> +++ b/arch/powerpc/platforms/8xx/pic.c
> @@ -80,7 +80,7 @@ unsigned int mpc8xx_get_irq(void)
>   	if (irq == PIC_VEC_SPURRIOUS)
>   		return 0;
>   
> -        return irq_linear_revmap(mpc8xx_pic_host, irq);
> +        return irq_find_mapping(mpc8xx_pic_host, irq);
>   
>   }
>   
> diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
> index a41649bf0cb8..91a8f0a7086e 100644
> --- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c
> +++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
> @@ -173,7 +173,7 @@ unsigned int flipper_pic_get_irq(void)
>   		return 0;	/* no more IRQs pending */
>   
>   	irq = __ffs(irq_status);
> -	return irq_linear_revmap(flipper_irq_host, irq);
> +	return irq_find_mapping(flipper_irq_host, irq);
>   }
>   
>   /*
> diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
> index 9abb3da36ba5..b57e87b0b3ce 100644
> --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
> +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
> @@ -190,7 +190,7 @@ static struct irq_domain *__init hlwd_pic_init(struct device_node *np)
>   unsigned int hlwd_pic_get_irq(void)
>   {
>   	unsigned int hwirq = __hlwd_pic_get_irq(hlwd_irq_host);
> -	return hwirq ? irq_linear_revmap(hlwd_irq_host, hwirq) : 0;
> +	return hwirq ? irq_find_mapping(hlwd_irq_host, hwirq) : 0;
>   }
>   
>   /*
> diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
> index 2eddc8bff7ab..c37783a03d25 100644
> --- a/arch/powerpc/platforms/powermac/pic.c
> +++ b/arch/powerpc/platforms/powermac/pic.c
> @@ -250,7 +250,7 @@ static unsigned int pmac_pic_get_irq(void)
>   	raw_spin_unlock_irqrestore(&pmac_pic_lock, flags);
>   	if (unlikely(irq < 0))
>   		return 0;
> -	return irq_linear_revmap(pmac_pic_host, irq);
> +	return irq_find_mapping(pmac_pic_host, irq);
>   }
>   
>   static int pmac_pic_host_match(struct irq_domain *h, struct device_node *node,
> diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
> index c63d72f17a3e..4a59ed1d62ce 100644
> --- a/arch/powerpc/sysdev/cpm2_pic.c
> +++ b/arch/powerpc/sysdev/cpm2_pic.c
> @@ -207,7 +207,7 @@ unsigned int cpm2_get_irq(void)
>   
>   	if (irq == 0)
>   		return(-1);
> -	return irq_linear_revmap(cpm2_pic_host, irq);
> +	return irq_find_mapping(cpm2_pic_host, irq);
>   }
>   
>   static int cpm2_pic_host_map(struct irq_domain *h, unsigned int virq,
> diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c
> index 4ee8d36ca647..b6f9774038e1 100644
> --- a/arch/powerpc/sysdev/ehv_pic.c
> +++ b/arch/powerpc/sysdev/ehv_pic.c
> @@ -175,7 +175,7 @@ unsigned int ehv_pic_get_irq(void)
>   	 * this will also setup revmap[] in the slow path for the first
>   	 * time, next calls will always use fast path by indexing revmap
>   	 */
> -	return irq_linear_revmap(global_ehv_pic->irqhost, irq);
> +	return irq_find_mapping(global_ehv_pic->irqhost, irq);
>   }
>   
>   static int ehv_pic_host_match(struct irq_domain *h, struct device_node *node,
> diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c
> index 5b1f8dc3c960..0bc3f0b36528 100644
> --- a/arch/powerpc/sysdev/ge/ge_pic.c
> +++ b/arch/powerpc/sysdev/ge/ge_pic.c
> @@ -245,7 +245,7 @@ unsigned int gef_pic_get_irq(void)
>   			if (active & (0x1 << hwirq))
>   				break;
>   		}
> -		virq = irq_linear_revmap(gef_pic_irq_host,
> +		virq = irq_find_mapping(gef_pic_irq_host,
>   			(irq_hw_number_t)hwirq);
>   	}
>   
> diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
> index f7b415ebb71c..70be2105865d 100644
> --- a/arch/powerpc/sysdev/ipic.c
> +++ b/arch/powerpc/sysdev/ipic.c
> @@ -801,7 +801,7 @@ unsigned int ipic_get_irq(void)
>   	if (irq == 0)    /* 0 --> no irq is pending */
>   		return 0;
>   
> -	return irq_linear_revmap(primary_ipic->irqhost, irq);
> +	return irq_find_mapping(primary_ipic->irqhost, irq);
>   }
>   
>   #ifdef CONFIG_SUSPEND
> diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
> index 3de090159a1b..787a88efdb35 100644
> --- a/arch/powerpc/sysdev/mpic.c
> +++ b/arch/powerpc/sysdev/mpic.c
> @@ -1785,7 +1785,7 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
>   		return 0;
>   	}
>   
> -	return irq_linear_revmap(mpic->irqhost, src);
> +	return irq_find_mapping(mpic->irqhost, src);
>   }
>   
>   unsigned int mpic_get_one_irq(struct mpic *mpic)
> @@ -1823,7 +1823,7 @@ unsigned int mpic_get_coreint_irq(void)
>   		return 0;
>   	}
>   
> -	return irq_linear_revmap(mpic->irqhost, src);
> +	return irq_find_mapping(mpic->irqhost, src);
>   #else
>   	return 0;
>   #endif

[tip: irq/cleanups] powerpc: Switch to irq_find_mapping()

Posted by tip-bot2 for Jiri Slaby (SUSE) 7 months ago

The following commit has been merged into the irq/cleanups branch of tip:

Commit-ID:     8035d9f2665e2de138007e2341d8b6d0e46c5606
Gitweb:        https://git.kernel.org/tip/8035d9f2665e2de138007e2341d8b6d0e46c5606
Author:        Jiri Slaby (SUSE) <jirislaby@kernel.org>
AuthorDate:    Wed, 19 Mar 2025 10:29:34 +01:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Fri, 16 May 2025 21:06:12 +02:00

powerpc: Switch to irq_find_mapping()

irq_linear_revmap() is deprecated, so remove all its uses and supersede
them by an identical call to irq_find_mapping().

[ tglx: Fix up subject prefix ]

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu> # for 8xx
Link: https://lore.kernel.org/all/20250319092951.37667-42-jirislaby@kernel.org



---
 arch/powerpc/platforms/44x/uic.c                 | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_gpt.c        | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_pic.c        | 2 +-
 arch/powerpc/platforms/85xx/socrates_fpga_pic.c  | 2 +-
 arch/powerpc/platforms/8xx/cpm1-ic.c             | 2 +-
 arch/powerpc/platforms/8xx/pic.c                 | 2 +-
 arch/powerpc/platforms/embedded6xx/flipper-pic.c | 2 +-
 arch/powerpc/platforms/embedded6xx/hlwd-pic.c    | 2 +-
 arch/powerpc/platforms/powermac/pic.c            | 2 +-
 arch/powerpc/sysdev/cpm2_pic.c                   | 2 +-
 arch/powerpc/sysdev/ehv_pic.c                    | 2 +-
 arch/powerpc/sysdev/ge/ge_pic.c                  | 2 +-
 arch/powerpc/sysdev/ipic.c                       | 2 +-
 arch/powerpc/sysdev/mpic.c                       | 4 ++--
 14 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/platforms/44x/uic.c b/arch/powerpc/platforms/44x/uic.c
index 481ec25..85daf84 100644
--- a/arch/powerpc/platforms/44x/uic.c
+++ b/arch/powerpc/platforms/44x/uic.c
@@ -328,5 +328,5 @@ unsigned int uic_get_irq(void)
 	msr = mfdcr(primary_uic->dcrbase + UIC_MSR);
 	src = 32 - ffs(msr);
 
-	return irq_linear_revmap(primary_uic->irqhost, src);
+	return irq_find_mapping(primary_uic->irqhost, src);
 }
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index f042b21..3dbe5a5 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -369,7 +369,7 @@ struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq)
 	mutex_lock(&mpc52xx_gpt_list_mutex);
 	list_for_each(pos, &mpc52xx_gpt_list) {
 		gpt = container_of(pos, struct mpc52xx_gpt_priv, list);
-		if (gpt->irqhost && irq == irq_linear_revmap(gpt->irqhost, 0)) {
+		if (gpt->irqhost && irq == irq_find_mapping(gpt->irqhost, 0)) {
 			mutex_unlock(&mpc52xx_gpt_list_mutex);
 			return gpt;
 		}
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 7ec56d3..eb6a4e7 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -515,5 +515,5 @@ unsigned int mpc52xx_get_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpc52xx_irqhost, irq);
+	return irq_find_mapping(mpc52xx_irqhost, irq);
 }
diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
index b4f6360..4b69fb3 100644
--- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
+++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
@@ -83,7 +83,7 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq)
 		if (cause >> (i + 16))
 			break;
 	}
-	return irq_linear_revmap(socrates_fpga_pic_irq_host,
+	return irq_find_mapping(socrates_fpga_pic_irq_host,
 			(irq_hw_number_t)i);
 }
 
diff --git a/arch/powerpc/platforms/8xx/cpm1-ic.c b/arch/powerpc/platforms/8xx/cpm1-ic.c
index 1549f6c..a49d4a9 100644
--- a/arch/powerpc/platforms/8xx/cpm1-ic.c
+++ b/arch/powerpc/platforms/8xx/cpm1-ic.c
@@ -59,7 +59,7 @@ static int cpm_get_irq(struct irq_desc *desc)
 	cpm_vec = in_be16(&data->reg->cpic_civr);
 	cpm_vec >>= 11;
 
-	return irq_linear_revmap(data->host, cpm_vec);
+	return irq_find_mapping(data->host, cpm_vec);
 }
 
 static void cpm_cascade(struct irq_desc *desc)
diff --git a/arch/powerpc/platforms/8xx/pic.c b/arch/powerpc/platforms/8xx/pic.c
index 7639f28..933d6ab 100644
--- a/arch/powerpc/platforms/8xx/pic.c
+++ b/arch/powerpc/platforms/8xx/pic.c
@@ -80,7 +80,7 @@ unsigned int mpc8xx_get_irq(void)
 	if (irq == PIC_VEC_SPURRIOUS)
 		return 0;
 
-        return irq_linear_revmap(mpc8xx_pic_host, irq);
+        return irq_find_mapping(mpc8xx_pic_host, irq);
 
 }
 
diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
index a41649b..91a8f0a 100644
--- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
@@ -173,7 +173,7 @@ unsigned int flipper_pic_get_irq(void)
 		return 0;	/* no more IRQs pending */
 
 	irq = __ffs(irq_status);
-	return irq_linear_revmap(flipper_irq_host, irq);
+	return irq_find_mapping(flipper_irq_host, irq);
 }
 
 /*
diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index 9abb3da..b57e87b 100644
--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
@@ -190,7 +190,7 @@ static struct irq_domain *__init hlwd_pic_init(struct device_node *np)
 unsigned int hlwd_pic_get_irq(void)
 {
 	unsigned int hwirq = __hlwd_pic_get_irq(hlwd_irq_host);
-	return hwirq ? irq_linear_revmap(hlwd_irq_host, hwirq) : 0;
+	return hwirq ? irq_find_mapping(hlwd_irq_host, hwirq) : 0;
 }
 
 /*
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 2eddc8b..c37783a 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -250,7 +250,7 @@ static unsigned int pmac_pic_get_irq(void)
 	raw_spin_unlock_irqrestore(&pmac_pic_lock, flags);
 	if (unlikely(irq < 0))
 		return 0;
-	return irq_linear_revmap(pmac_pic_host, irq);
+	return irq_find_mapping(pmac_pic_host, irq);
 }
 
 static int pmac_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index c63d72f..4a59ed1 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -207,7 +207,7 @@ unsigned int cpm2_get_irq(void)
 
 	if (irq == 0)
 		return(-1);
-	return irq_linear_revmap(cpm2_pic_host, irq);
+	return irq_find_mapping(cpm2_pic_host, irq);
 }
 
 static int cpm2_pic_host_map(struct irq_domain *h, unsigned int virq,
diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c
index 4ee8d36..b6f9774 100644
--- a/arch/powerpc/sysdev/ehv_pic.c
+++ b/arch/powerpc/sysdev/ehv_pic.c
@@ -175,7 +175,7 @@ unsigned int ehv_pic_get_irq(void)
 	 * this will also setup revmap[] in the slow path for the first
 	 * time, next calls will always use fast path by indexing revmap
 	 */
-	return irq_linear_revmap(global_ehv_pic->irqhost, irq);
+	return irq_find_mapping(global_ehv_pic->irqhost, irq);
 }
 
 static int ehv_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c
index 5b1f8dc..0bc3f0b 100644
--- a/arch/powerpc/sysdev/ge/ge_pic.c
+++ b/arch/powerpc/sysdev/ge/ge_pic.c
@@ -245,7 +245,7 @@ unsigned int gef_pic_get_irq(void)
 			if (active & (0x1 << hwirq))
 				break;
 		}
-		virq = irq_linear_revmap(gef_pic_irq_host,
+		virq = irq_find_mapping(gef_pic_irq_host,
 			(irq_hw_number_t)hwirq);
 	}
 
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index f7b415e..70be210 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -801,7 +801,7 @@ unsigned int ipic_get_irq(void)
 	if (irq == 0)    /* 0 --> no irq is pending */
 		return 0;
 
-	return irq_linear_revmap(primary_ipic->irqhost, irq);
+	return irq_find_mapping(primary_ipic->irqhost, irq);
 }
 
 #ifdef CONFIG_SUSPEND
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3de0901..787a88e 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1785,7 +1785,7 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 }
 
 unsigned int mpic_get_one_irq(struct mpic *mpic)
@@ -1823,7 +1823,7 @@ unsigned int mpic_get_coreint_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 #else
 	return 0;
 #endif

[tip: irq/cleanups] powerpc: Switch to irq_find_mapping()

Posted by tip-bot2 for Jiri Slaby (SUSE) 7 months, 1 week ago

The following commit has been merged into the irq/cleanups branch of tip:

Commit-ID:     36a0d76d23f94fc00feb7262d6fdbd05087f99aa
Gitweb:        https://git.kernel.org/tip/36a0d76d23f94fc00feb7262d6fdbd05087f99aa
Author:        Jiri Slaby (SUSE) <jirislaby@kernel.org>
AuthorDate:    Wed, 19 Mar 2025 10:29:34 +01:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Wed, 07 May 2025 15:39:41 +02:00

powerpc: Switch to irq_find_mapping()

irq_linear_revmap() is deprecated, so remove all its uses and supersede
them by an identical call to irq_find_mapping().

[ tglx: Fix up subject prefix ]

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu> # for 8xx
Link: https://lore.kernel.org/all/20250319092951.37667-42-jirislaby@kernel.org


---
 arch/powerpc/platforms/44x/uic.c                 | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_gpt.c        | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_pic.c        | 2 +-
 arch/powerpc/platforms/85xx/socrates_fpga_pic.c  | 2 +-
 arch/powerpc/platforms/8xx/cpm1-ic.c             | 2 +-
 arch/powerpc/platforms/8xx/pic.c                 | 2 +-
 arch/powerpc/platforms/embedded6xx/flipper-pic.c | 2 +-
 arch/powerpc/platforms/embedded6xx/hlwd-pic.c    | 2 +-
 arch/powerpc/platforms/powermac/pic.c            | 2 +-
 arch/powerpc/sysdev/cpm2_pic.c                   | 2 +-
 arch/powerpc/sysdev/ehv_pic.c                    | 2 +-
 arch/powerpc/sysdev/ge/ge_pic.c                  | 2 +-
 arch/powerpc/sysdev/ipic.c                       | 2 +-
 arch/powerpc/sysdev/mpic.c                       | 4 ++--
 14 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/platforms/44x/uic.c b/arch/powerpc/platforms/44x/uic.c
index 481ec25..85daf84 100644
--- a/arch/powerpc/platforms/44x/uic.c
+++ b/arch/powerpc/platforms/44x/uic.c
@@ -328,5 +328,5 @@ unsigned int uic_get_irq(void)
 	msr = mfdcr(primary_uic->dcrbase + UIC_MSR);
 	src = 32 - ffs(msr);
 
-	return irq_linear_revmap(primary_uic->irqhost, src);
+	return irq_find_mapping(primary_uic->irqhost, src);
 }
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index f042b21..3dbe5a5 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -369,7 +369,7 @@ struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq)
 	mutex_lock(&mpc52xx_gpt_list_mutex);
 	list_for_each(pos, &mpc52xx_gpt_list) {
 		gpt = container_of(pos, struct mpc52xx_gpt_priv, list);
-		if (gpt->irqhost && irq == irq_linear_revmap(gpt->irqhost, 0)) {
+		if (gpt->irqhost && irq == irq_find_mapping(gpt->irqhost, 0)) {
 			mutex_unlock(&mpc52xx_gpt_list_mutex);
 			return gpt;
 		}
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 7ec56d3..eb6a4e7 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -515,5 +515,5 @@ unsigned int mpc52xx_get_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpc52xx_irqhost, irq);
+	return irq_find_mapping(mpc52xx_irqhost, irq);
 }
diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
index b4f6360..4b69fb3 100644
--- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
+++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
@@ -83,7 +83,7 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq)
 		if (cause >> (i + 16))
 			break;
 	}
-	return irq_linear_revmap(socrates_fpga_pic_irq_host,
+	return irq_find_mapping(socrates_fpga_pic_irq_host,
 			(irq_hw_number_t)i);
 }
 
diff --git a/arch/powerpc/platforms/8xx/cpm1-ic.c b/arch/powerpc/platforms/8xx/cpm1-ic.c
index 1549f6c..a49d4a9 100644
--- a/arch/powerpc/platforms/8xx/cpm1-ic.c
+++ b/arch/powerpc/platforms/8xx/cpm1-ic.c
@@ -59,7 +59,7 @@ static int cpm_get_irq(struct irq_desc *desc)
 	cpm_vec = in_be16(&data->reg->cpic_civr);
 	cpm_vec >>= 11;
 
-	return irq_linear_revmap(data->host, cpm_vec);
+	return irq_find_mapping(data->host, cpm_vec);
 }
 
 static void cpm_cascade(struct irq_desc *desc)
diff --git a/arch/powerpc/platforms/8xx/pic.c b/arch/powerpc/platforms/8xx/pic.c
index 7639f28..933d6ab 100644
--- a/arch/powerpc/platforms/8xx/pic.c
+++ b/arch/powerpc/platforms/8xx/pic.c
@@ -80,7 +80,7 @@ unsigned int mpc8xx_get_irq(void)
 	if (irq == PIC_VEC_SPURRIOUS)
 		return 0;
 
-        return irq_linear_revmap(mpc8xx_pic_host, irq);
+        return irq_find_mapping(mpc8xx_pic_host, irq);
 
 }
 
diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
index a41649b..91a8f0a 100644
--- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
@@ -173,7 +173,7 @@ unsigned int flipper_pic_get_irq(void)
 		return 0;	/* no more IRQs pending */
 
 	irq = __ffs(irq_status);
-	return irq_linear_revmap(flipper_irq_host, irq);
+	return irq_find_mapping(flipper_irq_host, irq);
 }
 
 /*
diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index 9abb3da..b57e87b 100644
--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
@@ -190,7 +190,7 @@ static struct irq_domain *__init hlwd_pic_init(struct device_node *np)
 unsigned int hlwd_pic_get_irq(void)
 {
 	unsigned int hwirq = __hlwd_pic_get_irq(hlwd_irq_host);
-	return hwirq ? irq_linear_revmap(hlwd_irq_host, hwirq) : 0;
+	return hwirq ? irq_find_mapping(hlwd_irq_host, hwirq) : 0;
 }
 
 /*
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 2eddc8b..c37783a 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -250,7 +250,7 @@ static unsigned int pmac_pic_get_irq(void)
 	raw_spin_unlock_irqrestore(&pmac_pic_lock, flags);
 	if (unlikely(irq < 0))
 		return 0;
-	return irq_linear_revmap(pmac_pic_host, irq);
+	return irq_find_mapping(pmac_pic_host, irq);
 }
 
 static int pmac_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index c63d72f..4a59ed1 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -207,7 +207,7 @@ unsigned int cpm2_get_irq(void)
 
 	if (irq == 0)
 		return(-1);
-	return irq_linear_revmap(cpm2_pic_host, irq);
+	return irq_find_mapping(cpm2_pic_host, irq);
 }
 
 static int cpm2_pic_host_map(struct irq_domain *h, unsigned int virq,
diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c
index 4ee8d36..b6f9774 100644
--- a/arch/powerpc/sysdev/ehv_pic.c
+++ b/arch/powerpc/sysdev/ehv_pic.c
@@ -175,7 +175,7 @@ unsigned int ehv_pic_get_irq(void)
 	 * this will also setup revmap[] in the slow path for the first
 	 * time, next calls will always use fast path by indexing revmap
 	 */
-	return irq_linear_revmap(global_ehv_pic->irqhost, irq);
+	return irq_find_mapping(global_ehv_pic->irqhost, irq);
 }
 
 static int ehv_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c
index 5b1f8dc..0bc3f0b 100644
--- a/arch/powerpc/sysdev/ge/ge_pic.c
+++ b/arch/powerpc/sysdev/ge/ge_pic.c
@@ -245,7 +245,7 @@ unsigned int gef_pic_get_irq(void)
 			if (active & (0x1 << hwirq))
 				break;
 		}
-		virq = irq_linear_revmap(gef_pic_irq_host,
+		virq = irq_find_mapping(gef_pic_irq_host,
 			(irq_hw_number_t)hwirq);
 	}
 
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index f7b415e..70be210 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -801,7 +801,7 @@ unsigned int ipic_get_irq(void)
 	if (irq == 0)    /* 0 --> no irq is pending */
 		return 0;
 
-	return irq_linear_revmap(primary_ipic->irqhost, irq);
+	return irq_find_mapping(primary_ipic->irqhost, irq);
 }
 
 #ifdef CONFIG_SUSPEND
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3de0901..787a88e 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1785,7 +1785,7 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 }
 
 unsigned int mpic_get_one_irq(struct mpic *mpic)
@@ -1823,7 +1823,7 @@ unsigned int mpic_get_coreint_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 #else
 	return 0;
 #endif

[tip: irq/cleanups] powerpc: Switch to irq_find_mapping()

Posted by tip-bot2 for Jiri Slaby (SUSE) 7 months, 1 week ago

The following commit has been merged into the irq/cleanups branch of tip:

Commit-ID:     a57a38ebcd93045a664c295b51bd5d1e655ecacc
Gitweb:        https://git.kernel.org/tip/a57a38ebcd93045a664c295b51bd5d1e655ecacc
Author:        Jiri Slaby (SUSE) <jirislaby@kernel.org>
AuthorDate:    Wed, 19 Mar 2025 10:29:34 +01:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Wed, 07 May 2025 09:53:24 +02:00

powerpc: Switch to irq_find_mapping()

irq_linear_revmap() is deprecated, so remove all its uses and supersede
them by an identical call to irq_find_mapping().

[ tglx: Fix up subject prefix ]

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu> # for 8xx
Link: https://lore.kernel.org/all/20250319092951.37667-42-jirislaby@kernel.org

---
 arch/powerpc/platforms/44x/uic.c                 | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_gpt.c        | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_pic.c        | 2 +-
 arch/powerpc/platforms/85xx/socrates_fpga_pic.c  | 2 +-
 arch/powerpc/platforms/8xx/cpm1-ic.c             | 2 +-
 arch/powerpc/platforms/8xx/pic.c                 | 2 +-
 arch/powerpc/platforms/embedded6xx/flipper-pic.c | 2 +-
 arch/powerpc/platforms/embedded6xx/hlwd-pic.c    | 2 +-
 arch/powerpc/platforms/powermac/pic.c            | 2 +-
 arch/powerpc/sysdev/cpm2_pic.c                   | 2 +-
 arch/powerpc/sysdev/ehv_pic.c                    | 2 +-
 arch/powerpc/sysdev/ge/ge_pic.c                  | 2 +-
 arch/powerpc/sysdev/ipic.c                       | 2 +-
 arch/powerpc/sysdev/mpic.c                       | 4 ++--
 14 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/platforms/44x/uic.c b/arch/powerpc/platforms/44x/uic.c
index 481ec25..85daf84 100644
--- a/arch/powerpc/platforms/44x/uic.c
+++ b/arch/powerpc/platforms/44x/uic.c
@@ -328,5 +328,5 @@ unsigned int uic_get_irq(void)
 	msr = mfdcr(primary_uic->dcrbase + UIC_MSR);
 	src = 32 - ffs(msr);
 
-	return irq_linear_revmap(primary_uic->irqhost, src);
+	return irq_find_mapping(primary_uic->irqhost, src);
 }
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index f042b21..3dbe5a5 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -369,7 +369,7 @@ struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq)
 	mutex_lock(&mpc52xx_gpt_list_mutex);
 	list_for_each(pos, &mpc52xx_gpt_list) {
 		gpt = container_of(pos, struct mpc52xx_gpt_priv, list);
-		if (gpt->irqhost && irq == irq_linear_revmap(gpt->irqhost, 0)) {
+		if (gpt->irqhost && irq == irq_find_mapping(gpt->irqhost, 0)) {
 			mutex_unlock(&mpc52xx_gpt_list_mutex);
 			return gpt;
 		}
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 7ec56d3..eb6a4e7 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -515,5 +515,5 @@ unsigned int mpc52xx_get_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpc52xx_irqhost, irq);
+	return irq_find_mapping(mpc52xx_irqhost, irq);
 }
diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
index b4f6360..4b69fb3 100644
--- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
+++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
@@ -83,7 +83,7 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq)
 		if (cause >> (i + 16))
 			break;
 	}
-	return irq_linear_revmap(socrates_fpga_pic_irq_host,
+	return irq_find_mapping(socrates_fpga_pic_irq_host,
 			(irq_hw_number_t)i);
 }
 
diff --git a/arch/powerpc/platforms/8xx/cpm1-ic.c b/arch/powerpc/platforms/8xx/cpm1-ic.c
index 1549f6c..a49d4a9 100644
--- a/arch/powerpc/platforms/8xx/cpm1-ic.c
+++ b/arch/powerpc/platforms/8xx/cpm1-ic.c
@@ -59,7 +59,7 @@ static int cpm_get_irq(struct irq_desc *desc)
 	cpm_vec = in_be16(&data->reg->cpic_civr);
 	cpm_vec >>= 11;
 
-	return irq_linear_revmap(data->host, cpm_vec);
+	return irq_find_mapping(data->host, cpm_vec);
 }
 
 static void cpm_cascade(struct irq_desc *desc)
diff --git a/arch/powerpc/platforms/8xx/pic.c b/arch/powerpc/platforms/8xx/pic.c
index 7639f28..933d6ab 100644
--- a/arch/powerpc/platforms/8xx/pic.c
+++ b/arch/powerpc/platforms/8xx/pic.c
@@ -80,7 +80,7 @@ unsigned int mpc8xx_get_irq(void)
 	if (irq == PIC_VEC_SPURRIOUS)
 		return 0;
 
-        return irq_linear_revmap(mpc8xx_pic_host, irq);
+        return irq_find_mapping(mpc8xx_pic_host, irq);
 
 }
 
diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
index a41649b..91a8f0a 100644
--- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
@@ -173,7 +173,7 @@ unsigned int flipper_pic_get_irq(void)
 		return 0;	/* no more IRQs pending */
 
 	irq = __ffs(irq_status);
-	return irq_linear_revmap(flipper_irq_host, irq);
+	return irq_find_mapping(flipper_irq_host, irq);
 }
 
 /*
diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index 9abb3da..b57e87b 100644
--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
@@ -190,7 +190,7 @@ static struct irq_domain *__init hlwd_pic_init(struct device_node *np)
 unsigned int hlwd_pic_get_irq(void)
 {
 	unsigned int hwirq = __hlwd_pic_get_irq(hlwd_irq_host);
-	return hwirq ? irq_linear_revmap(hlwd_irq_host, hwirq) : 0;
+	return hwirq ? irq_find_mapping(hlwd_irq_host, hwirq) : 0;
 }
 
 /*
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 2eddc8b..c37783a 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -250,7 +250,7 @@ static unsigned int pmac_pic_get_irq(void)
 	raw_spin_unlock_irqrestore(&pmac_pic_lock, flags);
 	if (unlikely(irq < 0))
 		return 0;
-	return irq_linear_revmap(pmac_pic_host, irq);
+	return irq_find_mapping(pmac_pic_host, irq);
 }
 
 static int pmac_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index c63d72f..4a59ed1 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -207,7 +207,7 @@ unsigned int cpm2_get_irq(void)
 
 	if (irq == 0)
 		return(-1);
-	return irq_linear_revmap(cpm2_pic_host, irq);
+	return irq_find_mapping(cpm2_pic_host, irq);
 }
 
 static int cpm2_pic_host_map(struct irq_domain *h, unsigned int virq,
diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c
index 4ee8d36..b6f9774 100644
--- a/arch/powerpc/sysdev/ehv_pic.c
+++ b/arch/powerpc/sysdev/ehv_pic.c
@@ -175,7 +175,7 @@ unsigned int ehv_pic_get_irq(void)
 	 * this will also setup revmap[] in the slow path for the first
 	 * time, next calls will always use fast path by indexing revmap
 	 */
-	return irq_linear_revmap(global_ehv_pic->irqhost, irq);
+	return irq_find_mapping(global_ehv_pic->irqhost, irq);
 }
 
 static int ehv_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c
index 5b1f8dc..0bc3f0b 100644
--- a/arch/powerpc/sysdev/ge/ge_pic.c
+++ b/arch/powerpc/sysdev/ge/ge_pic.c
@@ -245,7 +245,7 @@ unsigned int gef_pic_get_irq(void)
 			if (active & (0x1 << hwirq))
 				break;
 		}
-		virq = irq_linear_revmap(gef_pic_irq_host,
+		virq = irq_find_mapping(gef_pic_irq_host,
 			(irq_hw_number_t)hwirq);
 	}
 
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index f7b415e..70be210 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -801,7 +801,7 @@ unsigned int ipic_get_irq(void)
 	if (irq == 0)    /* 0 --> no irq is pending */
 		return 0;
 
-	return irq_linear_revmap(primary_ipic->irqhost, irq);
+	return irq_find_mapping(primary_ipic->irqhost, irq);
 }
 
 #ifdef CONFIG_SUSPEND
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3de0901..787a88e 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1785,7 +1785,7 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 }
 
 unsigned int mpic_get_one_irq(struct mpic *mpic)
@@ -1823,7 +1823,7 @@ unsigned int mpic_get_coreint_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 #else
 	return 0;
 #endif

[tip: irq/cleanups] powerpc: Switch to irq_find_mapping()

Posted by tip-bot2 for Jiri Slaby (SUSE) 7 months, 2 weeks ago

The following commit has been merged into the irq/cleanups branch of tip:

Commit-ID:     4f8f49bf45654dcd7890e97c9613bea016170aca
Gitweb:        https://git.kernel.org/tip/4f8f49bf45654dcd7890e97c9613bea016170aca
Author:        Jiri Slaby (SUSE) <jirislaby@kernel.org>
AuthorDate:    Wed, 19 Mar 2025 10:29:34 +01:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Tue, 06 May 2025 14:59:07 +02:00

powerpc: Switch to irq_find_mapping()

irq_linear_revmap() is deprecated, so remove all its uses and supersede
them by an identical call to irq_find_mapping().

[ tglx: Fix up subject prefix ]

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu> # for 8xx
Link: https://lore.kernel.org/all/20250319092951.37667-42-jirislaby@kernel.org

---
 arch/powerpc/platforms/44x/uic.c                 | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_gpt.c        | 2 +-
 arch/powerpc/platforms/52xx/mpc52xx_pic.c        | 2 +-
 arch/powerpc/platforms/85xx/socrates_fpga_pic.c  | 2 +-
 arch/powerpc/platforms/8xx/cpm1-ic.c             | 2 +-
 arch/powerpc/platforms/8xx/pic.c                 | 2 +-
 arch/powerpc/platforms/embedded6xx/flipper-pic.c | 2 +-
 arch/powerpc/platforms/embedded6xx/hlwd-pic.c    | 2 +-
 arch/powerpc/platforms/powermac/pic.c            | 2 +-
 arch/powerpc/sysdev/cpm2_pic.c                   | 2 +-
 arch/powerpc/sysdev/ehv_pic.c                    | 2 +-
 arch/powerpc/sysdev/ge/ge_pic.c                  | 2 +-
 arch/powerpc/sysdev/ipic.c                       | 2 +-
 arch/powerpc/sysdev/mpic.c                       | 4 ++--
 14 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/platforms/44x/uic.c b/arch/powerpc/platforms/44x/uic.c
index 481ec25..85daf84 100644
--- a/arch/powerpc/platforms/44x/uic.c
+++ b/arch/powerpc/platforms/44x/uic.c
@@ -328,5 +328,5 @@ unsigned int uic_get_irq(void)
 	msr = mfdcr(primary_uic->dcrbase + UIC_MSR);
 	src = 32 - ffs(msr);
 
-	return irq_linear_revmap(primary_uic->irqhost, src);
+	return irq_find_mapping(primary_uic->irqhost, src);
 }
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index f042b21..3dbe5a5 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -369,7 +369,7 @@ struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq)
 	mutex_lock(&mpc52xx_gpt_list_mutex);
 	list_for_each(pos, &mpc52xx_gpt_list) {
 		gpt = container_of(pos, struct mpc52xx_gpt_priv, list);
-		if (gpt->irqhost && irq == irq_linear_revmap(gpt->irqhost, 0)) {
+		if (gpt->irqhost && irq == irq_find_mapping(gpt->irqhost, 0)) {
 			mutex_unlock(&mpc52xx_gpt_list_mutex);
 			return gpt;
 		}
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 7ec56d3..eb6a4e7 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -515,5 +515,5 @@ unsigned int mpc52xx_get_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpc52xx_irqhost, irq);
+	return irq_find_mapping(mpc52xx_irqhost, irq);
 }
diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
index b4f6360..4b69fb3 100644
--- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
+++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
@@ -83,7 +83,7 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq)
 		if (cause >> (i + 16))
 			break;
 	}
-	return irq_linear_revmap(socrates_fpga_pic_irq_host,
+	return irq_find_mapping(socrates_fpga_pic_irq_host,
 			(irq_hw_number_t)i);
 }
 
diff --git a/arch/powerpc/platforms/8xx/cpm1-ic.c b/arch/powerpc/platforms/8xx/cpm1-ic.c
index 1549f6c..a49d4a9 100644
--- a/arch/powerpc/platforms/8xx/cpm1-ic.c
+++ b/arch/powerpc/platforms/8xx/cpm1-ic.c
@@ -59,7 +59,7 @@ static int cpm_get_irq(struct irq_desc *desc)
 	cpm_vec = in_be16(&data->reg->cpic_civr);
 	cpm_vec >>= 11;
 
-	return irq_linear_revmap(data->host, cpm_vec);
+	return irq_find_mapping(data->host, cpm_vec);
 }
 
 static void cpm_cascade(struct irq_desc *desc)
diff --git a/arch/powerpc/platforms/8xx/pic.c b/arch/powerpc/platforms/8xx/pic.c
index 7639f28..933d6ab 100644
--- a/arch/powerpc/platforms/8xx/pic.c
+++ b/arch/powerpc/platforms/8xx/pic.c
@@ -80,7 +80,7 @@ unsigned int mpc8xx_get_irq(void)
 	if (irq == PIC_VEC_SPURRIOUS)
 		return 0;
 
-        return irq_linear_revmap(mpc8xx_pic_host, irq);
+        return irq_find_mapping(mpc8xx_pic_host, irq);
 
 }
 
diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
index a41649b..91a8f0a 100644
--- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c
@@ -173,7 +173,7 @@ unsigned int flipper_pic_get_irq(void)
 		return 0;	/* no more IRQs pending */
 
 	irq = __ffs(irq_status);
-	return irq_linear_revmap(flipper_irq_host, irq);
+	return irq_find_mapping(flipper_irq_host, irq);
 }
 
 /*
diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index 9abb3da..b57e87b 100644
--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
@@ -190,7 +190,7 @@ static struct irq_domain *__init hlwd_pic_init(struct device_node *np)
 unsigned int hlwd_pic_get_irq(void)
 {
 	unsigned int hwirq = __hlwd_pic_get_irq(hlwd_irq_host);
-	return hwirq ? irq_linear_revmap(hlwd_irq_host, hwirq) : 0;
+	return hwirq ? irq_find_mapping(hlwd_irq_host, hwirq) : 0;
 }
 
 /*
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 2eddc8b..c37783a 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -250,7 +250,7 @@ static unsigned int pmac_pic_get_irq(void)
 	raw_spin_unlock_irqrestore(&pmac_pic_lock, flags);
 	if (unlikely(irq < 0))
 		return 0;
-	return irq_linear_revmap(pmac_pic_host, irq);
+	return irq_find_mapping(pmac_pic_host, irq);
 }
 
 static int pmac_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index c63d72f..4a59ed1 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -207,7 +207,7 @@ unsigned int cpm2_get_irq(void)
 
 	if (irq == 0)
 		return(-1);
-	return irq_linear_revmap(cpm2_pic_host, irq);
+	return irq_find_mapping(cpm2_pic_host, irq);
 }
 
 static int cpm2_pic_host_map(struct irq_domain *h, unsigned int virq,
diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c
index 4ee8d36..b6f9774 100644
--- a/arch/powerpc/sysdev/ehv_pic.c
+++ b/arch/powerpc/sysdev/ehv_pic.c
@@ -175,7 +175,7 @@ unsigned int ehv_pic_get_irq(void)
 	 * this will also setup revmap[] in the slow path for the first
 	 * time, next calls will always use fast path by indexing revmap
 	 */
-	return irq_linear_revmap(global_ehv_pic->irqhost, irq);
+	return irq_find_mapping(global_ehv_pic->irqhost, irq);
 }
 
 static int ehv_pic_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c
index 5b1f8dc..0bc3f0b 100644
--- a/arch/powerpc/sysdev/ge/ge_pic.c
+++ b/arch/powerpc/sysdev/ge/ge_pic.c
@@ -245,7 +245,7 @@ unsigned int gef_pic_get_irq(void)
 			if (active & (0x1 << hwirq))
 				break;
 		}
-		virq = irq_linear_revmap(gef_pic_irq_host,
+		virq = irq_find_mapping(gef_pic_irq_host,
 			(irq_hw_number_t)hwirq);
 	}
 
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index f7b415e..70be210 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -801,7 +801,7 @@ unsigned int ipic_get_irq(void)
 	if (irq == 0)    /* 0 --> no irq is pending */
 		return 0;
 
-	return irq_linear_revmap(primary_ipic->irqhost, irq);
+	return irq_find_mapping(primary_ipic->irqhost, irq);
 }
 
 #ifdef CONFIG_SUSPEND
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3de0901..787a88e 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1785,7 +1785,7 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 }
 
 unsigned int mpic_get_one_irq(struct mpic *mpic)
@@ -1823,7 +1823,7 @@ unsigned int mpic_get_coreint_irq(void)
 		return 0;
 	}
 
-	return irq_linear_revmap(mpic->irqhost, src);
+	return irq_find_mapping(mpic->irqhost, src);
 #else
 	return 0;
 #endif