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

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Message-ID: <20250729065806.423902-4-victorshihgli@gmail.com>
Date: Tue, 29 Jul 2025 14:58:06 +0800
From: Victor Shih <victorshihgli@...il.com>
To: ulf.hansson@...aro.org,
	adrian.hunter@...el.com
Cc: linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	benchuanggli@...il.com,
	ben.chuang@...esyslogic.com.tw,
	HL.Liu@...esyslogic.com.tw,
	Victor Shih <victorshihgli@...il.com>,
	Victor Shih <victor.shih@...esyslogic.com.tw>,
	stable@...r.kernel.org
Subject: [PATCH V3 3/3] mmc: sdhci-pci-gli: GL9763e: Mask the replay timer timeout of AER

From: Victor Shih <victor.shih@...esyslogic.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.

Signed-off-by: Victor Shih <victor.shih@...esyslogic.com.tw>
Fixes: 1ae1d2d6e555 ("mmc: sdhci-pci-gli: Add Genesys Logic GL9763E support")
Cc: stable@...r.kernel.org
---
 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);
-- 
2.43.0