Re: [PATCH V3 3/3] mmc: sdhci-pci-gli: GL9763e: Mask the replay timer timeout of AER

From: Adrian Hunter
Date: Wed Jul 30 2025 - 11:54:38 EST


On 29/07/2025 09:58, Victor Shih wrote:
> From: Victor Shih <victor.shih@xxxxxxxxxxxxxxxxxxx>
>
> 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.
>
> Signed-off-by: Victor Shih <victor.shih@xxxxxxxxxxxxxxxxxxx>
> Fixes: 1ae1d2d6e555 ("mmc: sdhci-pci-gli: Add Genesys Logic GL9763E support")
> Cc: stable@xxxxxxxxxxxxxxx

Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>

> ---
> drivers/mmc/host/sdhci-pci-gli.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
> index 436f0460222f..3a1de477e9af 100644
> --- a/drivers/mmc/host/sdhci-pci-gli.c
> +++ b/drivers/mmc/host/sdhci-pci-gli.c
> @@ -1782,6 +1782,9 @@ static void gl9763e_hw_setting(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);