mmc: sdhci-pci-gli: Add a new function to simplify the code

[ Upstream commit dec8b38be4b35cae5f7fa086daf2631e2cfa09c1 ]

In preparation to fix replay timer timeout, add
sdhci_gli_mask_replay_timer_timeout() function
to simplify some of the code, allowing it to be re-used.

Signed-off-by: Victor Shih <victor.shih@genesyslogic.com.tw>
Fixes: 1ae1d2d6e555 ("mmc: sdhci-pci-gli: Add Genesys Logic GL9763E support")
Cc: stable@vger.kernel.org
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20250731065752.450231-2-victorshihgli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Stable-dep-of: 340be332e420 ("mmc: sdhci-pci-gli: GL9763e: Mask the replay timer timeout of AER")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
index d73e34e525b816460beebc4f2f86f69a80c555d2..0ab7ae30306d4ff187d54261522f844a622ba2ea 100644 (file)
--- a/drivers/mmc/host/sdhci-pci-gli.c
+++ b/drivers/mmc/host/sdhci-pci-gli.c
@@ -156,6 +156,20 @@
 #define GLI_MAX_TUNING_LOOP 40
 
 /* Genesys Logic chipset */
+static void sdhci_gli_mask_replay_timer_timeout(struct pci_dev *pdev)
+{
+       int aer;
+       u32 value;
+
+       /* mask the replay timer timeout of AER */
+       aer = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
+       if (aer) {
+               pci_read_config_dword(pdev, aer + PCI_ERR_COR_MASK, &value);
+               value |= PCI_ERR_COR_REP_TIMER;
+               pci_write_config_dword(pdev, aer + PCI_ERR_COR_MASK, value);
+       }
+}
+
 static inline void gl9750_wt_on(struct sdhci_host *host)
 {
        u32 wt_value;