The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 85dd3af64965c1c0eb7373b340a1b1f7773586b0 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2023112435-trusting-nutmeg-8ff0@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: 85dd3af64965 ("mmc: sdhci-pci-gli: GL9755: Mask the replay timer timeout of AER") f3a5b56c1286 ("mmc: sdhci-pci-gli: Add Genesys Logic GL9767 support") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 85dd3af64965c1c0eb7373b340a1b1f7773586b0 Mon Sep 17 00:00:00 2001 From: Victor Shih <victor.shih@xxxxxxxxxxxxxxxxxxx> Date: Tue, 7 Nov 2023 17:57:41 +0800 Subject: [PATCH] mmc: sdhci-pci-gli: GL9755: Mask the replay timer timeout of AER Due to a flaw in the hardware design, the GL9755 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 GL9755 PCI config. Therefore, the replay timer timeout must be masked. Fixes: 36ed2fd32b2c ("mmc: sdhci-pci-gli: A workaround to allow GL9755 to enter ASPM L1.2") Signed-off-by: Victor Shih <victor.shih@xxxxxxxxxxxxxxxxxxx> Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> Acked-by: Kai-Heng Feng <kai.heng.geng@xxxxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Link: https://lore.kernel.org/r/20231107095741.8832-3-victorshihgli@xxxxxxxxx Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c index d83261e857a5..044b4704d5bb 100644 --- a/drivers/mmc/host/sdhci-pci-gli.c +++ b/drivers/mmc/host/sdhci-pci-gli.c @@ -152,6 +152,9 @@ #define PCI_GLI_9755_PM_CTRL 0xFC #define PCI_GLI_9755_PM_STATE GENMASK(1, 0) +#define PCI_GLI_9755_CORRERR_MASK 0x214 +#define PCI_GLI_9755_CORRERR_MASK_REPLAY_TIMER_TIMEOUT BIT(12) + #define SDHCI_GLI_9767_GM_BURST_SIZE 0x510 #define SDHCI_GLI_9767_GM_BURST_SIZE_AXI_ALWAYS_SET BIT(8) @@ -770,6 +773,11 @@ static void gl9755_hw_setting(struct sdhci_pci_slot *slot) value &= ~PCI_GLI_9755_PM_STATE; pci_write_config_dword(pdev, PCI_GLI_9755_PM_CTRL, value); + /* mask the replay timer timeout of AER */ + pci_read_config_dword(pdev, PCI_GLI_9755_CORRERR_MASK, &value); + value |= PCI_GLI_9755_CORRERR_MASK_REPLAY_TIMER_TIMEOUT; + pci_write_config_dword(pdev, PCI_GLI_9755_CORRERR_MASK, value); + gl9755_wt_off(pdev); }
