PCI: Add generic Conf Type 0/1 helpers

[PATCH 01/10] ARM: orion5x: Rename PCI_CONF_{REG,FUNC}() out of the way

Posted by Ilpo Järvinen 1 year, 7 months ago

orion5x defines PCI_CONF_REG() and PCI_CONF_FUNC() that are problematic
because PCI core is going to introduce defines with the same names.

Add ORION5X prefix to those defines to avoid name conflicts.

Note: as this is part of series that replaces the code in question
anyway, only bare minimum renaming is done and other similarly named
macros are not touched.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 arch/arm/mach-orion5x/pci.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c
index 3313bc5a63ea..77ddab90f448 100644
--- a/arch/arm/mach-orion5x/pci.c
+++ b/arch/arm/mach-orion5x/pci.c
@@ -219,8 +219,8 @@ static int __init pcie_setup(struct pci_sys_data *sys)
 /*
  * PCI_CONF_ADDR bits
  */
-#define PCI_CONF_REG(reg)		((reg) & 0xfc)
-#define PCI_CONF_FUNC(func)		(((func) & 0x3) << 8)
+#define ORION5X_PCI_CONF_REG(reg)	((reg) & 0xfc)
+#define ORION5X_PCI_CONF_FUNC(func)	(((func) & 0x3) << 8)
 #define PCI_CONF_DEV(dev)		(((dev) & 0x1f) << 11)
 #define PCI_CONF_BUS(bus)		(((bus) & 0xff) << 16)
 #define PCI_CONF_ADDR_EN		(1 << 31)
@@ -277,8 +277,8 @@ static int orion5x_pci_hw_rd_conf(int bus, int dev, u32 func,
 	spin_lock_irqsave(&orion5x_pci_lock, flags);
 
 	writel(PCI_CONF_BUS(bus) |
-		PCI_CONF_DEV(dev) | PCI_CONF_REG(where) |
-		PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
+		PCI_CONF_DEV(dev) | ORION5X_PCI_CONF_REG(where) |
+		ORION5X_PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
 
 	*val = readl(PCI_CONF_DATA);
 
@@ -301,8 +301,8 @@ static int orion5x_pci_hw_wr_conf(int bus, int dev, u32 func,
 	spin_lock_irqsave(&orion5x_pci_lock, flags);
 
 	writel(PCI_CONF_BUS(bus) |
-		PCI_CONF_DEV(dev) | PCI_CONF_REG(where) |
-		PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
+		PCI_CONF_DEV(dev) | ORION5X_PCI_CONF_REG(where) |
+		ORION5X_PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
 
 	if (size == 4) {
 		__raw_writel(val, PCI_CONF_DATA);
-- 
2.39.2

Re: [PATCH 01/10] ARM: orion5x: Rename PCI_CONF_{REG,FUNC}() out of the way

Posted by Gregory CLEMENT 1 year, 7 months ago

Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> writes:

> orion5x defines PCI_CONF_REG() and PCI_CONF_FUNC() that are problematic
> because PCI core is going to introduce defines with the same names.
>
> Add ORION5X prefix to those defines to avoid name conflicts.
>
> Note: as this is part of series that replaces the code in question
> anyway, only bare minimum renaming is done and other similarly named
> macros are not touched.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>

As some other patches of the series depend on patches in the PCIe
subsystem, the best approach would be to let you apply the series
through the PCIe subsystem.

Thanks,

Gregory
> ---
>  arch/arm/mach-orion5x/pci.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c
> index 3313bc5a63ea..77ddab90f448 100644
> --- a/arch/arm/mach-orion5x/pci.c
> +++ b/arch/arm/mach-orion5x/pci.c
> @@ -219,8 +219,8 @@ static int __init pcie_setup(struct pci_sys_data *sys)
>  /*
>   * PCI_CONF_ADDR bits
>   */
> -#define PCI_CONF_REG(reg)		((reg) & 0xfc)
> -#define PCI_CONF_FUNC(func)		(((func) & 0x3) << 8)
> +#define ORION5X_PCI_CONF_REG(reg)	((reg) & 0xfc)
> +#define ORION5X_PCI_CONF_FUNC(func)	(((func) & 0x3) << 8)
>  #define PCI_CONF_DEV(dev)		(((dev) & 0x1f) << 11)
>  #define PCI_CONF_BUS(bus)		(((bus) & 0xff) << 16)
>  #define PCI_CONF_ADDR_EN		(1 << 31)
> @@ -277,8 +277,8 @@ static int orion5x_pci_hw_rd_conf(int bus, int dev, u32 func,
>  	spin_lock_irqsave(&orion5x_pci_lock, flags);
>  
>  	writel(PCI_CONF_BUS(bus) |
> -		PCI_CONF_DEV(dev) | PCI_CONF_REG(where) |
> -		PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
> +		PCI_CONF_DEV(dev) | ORION5X_PCI_CONF_REG(where) |
> +		ORION5X_PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
>  
>  	*val = readl(PCI_CONF_DATA);
>  
> @@ -301,8 +301,8 @@ static int orion5x_pci_hw_wr_conf(int bus, int dev, u32 func,
>  	spin_lock_irqsave(&orion5x_pci_lock, flags);
>  
>  	writel(PCI_CONF_BUS(bus) |
> -		PCI_CONF_DEV(dev) | PCI_CONF_REG(where) |
> -		PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
> +		PCI_CONF_DEV(dev) | ORION5X_PCI_CONF_REG(where) |
> +		ORION5X_PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
>  
>  	if (size == 4) {
>  		__raw_writel(val, PCI_CONF_DATA);
> -- 
> 2.39.2

Re: [PATCH 01/10] ARM: orion5x: Rename PCI_CONF_{REG,FUNC}() out of the way

Posted by Andrew Lunn 1 year, 7 months ago

On Mon, Apr 29, 2024 at 01:46:24PM +0300, Ilpo Järvinen wrote:
> orion5x defines PCI_CONF_REG() and PCI_CONF_FUNC() that are problematic
> because PCI core is going to introduce defines with the same names.
> 
> Add ORION5X prefix to those defines to avoid name conflicts.
> 
> Note: as this is part of series that replaces the code in question
> anyway, only bare minimum renaming is done and other similarly named
> macros are not touched.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Hi Ilpo

What branch do these apply to? I wanted to test them, but i get hunks
rejected:

git am < 20240429104633.11060-1-ilpo.jarvinen@linux.intel.com.mbx
Applying: ARM: orion5x: Rename PCI_CONF_{REG,FUNC}() out of the way
Applying: ARM: orion5x: Use generic PCI Conf Type 1 helper
error: patch failed: arch/arm/mach-orion5x/pci.c:276
error: arch/arm/mach-orion5x/pci.c: patch does not apply
Patch failed at 0002 ARM: orion5x: Use generic PCI Conf Type 1 helper

I tried linux-next, v6.9-rc6, pci:next

Thanks
	Andrew

Re: [PATCH 01/10] ARM: orion5x: Rename PCI_CONF_{REG,FUNC}() out of the way

Posted by Ilpo Järvinen 1 year, 7 months ago

On Mon, 29 Apr 2024, Andrew Lunn wrote:

> On Mon, Apr 29, 2024 at 01:46:24PM +0300, Ilpo Järvinen wrote:
> > orion5x defines PCI_CONF_REG() and PCI_CONF_FUNC() that are problematic
> > because PCI core is going to introduce defines with the same names.
> > 
> > Add ORION5X prefix to those defines to avoid name conflicts.
> > 
> > Note: as this is part of series that replaces the code in question
> > anyway, only bare minimum renaming is done and other similarly named
> > macros are not touched.
> > 
> > Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
> 
> Hi Ilpo
> 
> What branch do these apply to? I wanted to test them, but i get hunks
> rejected:
> 
> git am < 20240429104633.11060-1-ilpo.jarvinen@linux.intel.com.mbx
> Applying: ARM: orion5x: Rename PCI_CONF_{REG,FUNC}() out of the way
> Applying: ARM: orion5x: Use generic PCI Conf Type 1 helper
> error: patch failed: arch/arm/mach-orion5x/pci.c:276
> error: arch/arm/mach-orion5x/pci.c: patch does not apply
> Patch failed at 0002 ARM: orion5x: Use generic PCI Conf Type 1 helper
> 
> I tried linux-next, v6.9-rc6, pci:next

Hi,

On top of pci:main (so v6.9-rc1).

"ARM: orion5x: Use generic PCI Conf Type 1 helper" should be only 4th 
patch but your command seems to apply it as 2nd patch (is the mbx file 
having them out-of-order?).

-- 
 i.

Re: [PATCH 01/10] ARM: orion5x: Rename PCI_CONF_{REG,FUNC}() out of the way

Posted by Andrew Lunn 1 year, 7 months ago

On Mon, Apr 29, 2024 at 01:46:24PM +0300, Ilpo Järvinen wrote:
> orion5x defines PCI_CONF_REG() and PCI_CONF_FUNC() that are problematic
> because PCI core is going to introduce defines with the same names.
> 
> Add ORION5X prefix to those defines to avoid name conflicts.
> 
> Note: as this is part of series that replaces the code in question
> anyway, only bare minimum renaming is done and other similarly named
> macros are not touched.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew