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[PATCH V2 2/2] mmc: sdhci-pci-gli: GL9763e: Mask the replay timer timeout of AER

Victor Shih posted 2 patches 2 months, 1 week ago
There is a newer version of this series
[PATCH V2 2/2] mmc: sdhci-pci-gli: GL9763e: Mask the replay timer timeout of AER
Posted by Victor Shih 2 months, 1 week ago 
From: Victor Shih <victor.shih@genesyslogic.com.tw>

Due to a flaw in the hardware design, the GL9763e replay timer frequently
times out when ASPM is enabled. As a result, the warning messages will
often appear in the system log when the system accesses the GL9763e
PCI config. Therefore, the replay timer timeout must be masked.

Also rename the gli_set_gl9763e() to gl9763e_hw_setting() for consistency.

Signed-off-by: Victor Shih <victor.shih@genesyslogic.com.tw>
Cc: stable@vger.kernel.org
---
 drivers/mmc/host/sdhci-pci-gli.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
index 98ee3191b02f..7165dde9b6b8 100644
--- a/drivers/mmc/host/sdhci-pci-gli.c
+++ b/drivers/mmc/host/sdhci-pci-gli.c
@@ -1753,7 +1753,7 @@ static int gl9763e_add_host(struct sdhci_pci_slot *slot)
 	return ret;
 }
 
-static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
+static void gl9763e_hw_setting(struct sdhci_pci_slot *slot)
 {
 	struct pci_dev *pdev = slot->chip->pdev;
 	u32 value;
@@ -1782,6 +1782,9 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
 	value |= FIELD_PREP(GLI_9763E_HS400_RXDLY, GLI_9763E_HS400_RXDLY_5);
 	pci_write_config_dword(pdev, PCIE_GLI_9763E_CLKRXDLY, value);
 
+	/* mask the replay timer timeout of AER */
+	sdhci_gli_mask_replay_timer_timeout(pdev);
+
 	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
 	value &= ~GLI_9763E_VHS_REV;
 	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
@@ -1925,7 +1928,7 @@ static int gli_probe_slot_gl9763e(struct sdhci_pci_slot *slot)
 	gli_pcie_enable_msi(slot);
 	host->mmc_host_ops.hs400_enhanced_strobe =
 					gl9763e_hs400_enhanced_strobe;
-	gli_set_gl9763e(slot);
+	gl9763e_hw_setting(slot);
 	sdhci_enable_v4_mode(host);
 
 	return 0;
-- 
2.43.0
Re: [PATCH V2 2/2] mmc: sdhci-pci-gli: GL9763e: Mask the replay timer timeout of AER
Posted by Adrian Hunter 2 months, 1 week ago 
On 25/07/2025 13:52, Victor Shih wrote:
> From: Victor Shih <victor.shih@genesyslogic.com.tw>
> 
> Due to a flaw in the hardware design, the GL9763e replay timer frequently
> times out when ASPM is enabled. As a result, the warning messages will
> often appear in the system log when the system accesses the GL9763e
> PCI config. Therefore, the replay timer timeout must be masked.
> 
> Also rename the gli_set_gl9763e() to gl9763e_hw_setting() for consistency.

Should be a separate patch

> 
> Signed-off-by: Victor Shih <victor.shih@genesyslogic.com.tw>

It is preferred to have a fixes tag as well.  What about

Fixes: 1ae1d2d6e555e ("mmc: sdhci-pci-gli: Add Genesys Logic GL9763E support")

> Cc: stable@vger.kernel.org
> ---
>  drivers/mmc/host/sdhci-pci-gli.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
> index 98ee3191b02f..7165dde9b6b8 100644
> --- a/drivers/mmc/host/sdhci-pci-gli.c
> +++ b/drivers/mmc/host/sdhci-pci-gli.c
> @@ -1753,7 +1753,7 @@ static int gl9763e_add_host(struct sdhci_pci_slot *slot)
>  	return ret;
>  }
>  
> -static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
> +static void gl9763e_hw_setting(struct sdhci_pci_slot *slot)
>  {
>  	struct pci_dev *pdev = slot->chip->pdev;
>  	u32 value;
> @@ -1782,6 +1782,9 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
>  	value |= FIELD_PREP(GLI_9763E_HS400_RXDLY, GLI_9763E_HS400_RXDLY_5);
>  	pci_write_config_dword(pdev, PCIE_GLI_9763E_CLKRXDLY, value);
>  
> +	/* mask the replay timer timeout of AER */
> +	sdhci_gli_mask_replay_timer_timeout(pdev);
> +
>  	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
>  	value &= ~GLI_9763E_VHS_REV;
>  	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
> @@ -1925,7 +1928,7 @@ static int gli_probe_slot_gl9763e(struct sdhci_pci_slot *slot)
>  	gli_pcie_enable_msi(slot);
>  	host->mmc_host_ops.hs400_enhanced_strobe =
>  					gl9763e_hs400_enhanced_strobe;
> -	gli_set_gl9763e(slot);
> +	gl9763e_hw_setting(slot);
>  	sdhci_enable_v4_mode(host);
>  
>  	return 0;
Re: [PATCH V2 2/2] mmc: sdhci-pci-gli: GL9763e: Mask the replay timer timeout of AER
Posted by Victor Shih 2 months, 1 week ago 
On Mon, Jul 28, 2025 at 2:56 PM Adrian Hunter <adrian.hunter@intel.com> wrote:
>
> On 25/07/2025 13:52, Victor Shih wrote:
> > From: Victor Shih <victor.shih@genesyslogic.com.tw>
> >
> > Due to a flaw in the hardware design, the GL9763e replay timer frequently
> > times out when ASPM is enabled. As a result, the warning messages will
> > often appear in the system log when the system accesses the GL9763e
> > PCI config. Therefore, the replay timer timeout must be masked.
> >
> > Also rename the gli_set_gl9763e() to gl9763e_hw_setting() for consistency.
>
> Should be a separate patch
>

Hi, Adrian

I will split it into two patches in the next version.

Thanks, Victor Shih

> >
> > Signed-off-by: Victor Shih <victor.shih@genesyslogic.com.tw>
>
> It is preferred to have a fixes tag as well.  What about
>
> Fixes: 1ae1d2d6e555e ("mmc: sdhci-pci-gli: Add Genesys Logic GL9763E support")
>

Hi, Adrian

I will add this fixes tag in the next version.

Thanks, Victor Shih

> > Cc: stable@vger.kernel.org
> > ---
> >  drivers/mmc/host/sdhci-pci-gli.c | 7 +++++--
> >  1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
> > index 98ee3191b02f..7165dde9b6b8 100644
> > --- a/drivers/mmc/host/sdhci-pci-gli.c
> > +++ b/drivers/mmc/host/sdhci-pci-gli.c
> > @@ -1753,7 +1753,7 @@ static int gl9763e_add_host(struct sdhci_pci_slot *slot)
> >       return ret;
> >  }
> >
> > -static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
> > +static void gl9763e_hw_setting(struct sdhci_pci_slot *slot)
> >  {
> >       struct pci_dev *pdev = slot->chip->pdev;
> >       u32 value;
> > @@ -1782,6 +1782,9 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
> >       value |= FIELD_PREP(GLI_9763E_HS400_RXDLY, GLI_9763E_HS400_RXDLY_5);
> >       pci_write_config_dword(pdev, PCIE_GLI_9763E_CLKRXDLY, value);
> >
> > +     /* mask the replay timer timeout of AER */
> > +     sdhci_gli_mask_replay_timer_timeout(pdev);
> > +
> >       pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
> >       value &= ~GLI_9763E_VHS_REV;
> >       value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
> > @@ -1925,7 +1928,7 @@ static int gli_probe_slot_gl9763e(struct sdhci_pci_slot *slot)
> >       gli_pcie_enable_msi(slot);
> >       host->mmc_host_ops.hs400_enhanced_strobe =
> >                                       gl9763e_hs400_enhanced_strobe;
> > -     gli_set_gl9763e(slot);
> > +     gl9763e_hw_setting(slot);
> >       sdhci_enable_v4_mode(host);
> >
> >       return 0;
>

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