linux-kernel - [PATCH AUTOSEL 6.4 20/40] watchdog: sp5100_tco: support Hygon FCH/SCH (Server Controller Hub)

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Message-Id: <20230724013140.2327815-20-sashal@kernel.org>
Date:   Sun, 23 Jul 2023 21:31:20 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Yuechao Zhao <yuechao.zhao@...antech.com.cn>,
        Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Sasha Levin <sashal@...nel.org>, wim@...ana.be,
        linux-watchdog@...r.kernel.org
Subject: [PATCH AUTOSEL 6.4 20/40] watchdog: sp5100_tco: support Hygon FCH/SCH (Server Controller Hub)

From: Yuechao Zhao <yuechao.zhao@...antech.com.cn>

[ Upstream commit 009637de1f65cff452ad49554d1e8ef9fda99e43 ]

Add PCI_VENDOR_ID_HYGON(Hygon vendor id [0x1d94]) in this driver

Signed-off-by: Yuechao Zhao <yuechao.zhao@...antech.com.cn>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Link: https://lkml.kernel.org/r/20230612031907.796461-1-a345351830@gmail.com
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@...ux-watchdog.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/watchdog/sp5100_tco.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c
index 14f8d8d90920f..2bd3dc25cb030 100644
--- a/drivers/watchdog/sp5100_tco.c
+++ b/drivers/watchdog/sp5100_tco.c
@@ -96,7 +96,7 @@ static enum tco_reg_layout tco_reg_layout(struct pci_dev *dev)
 	    sp5100_tco_pci->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS &&
 	    sp5100_tco_pci->revision >= AMD_ZEN_SMBUS_PCI_REV) {
 		return efch_mmio;
-	} else if (dev->vendor == PCI_VENDOR_ID_AMD &&
+	} else if ((dev->vendor == PCI_VENDOR_ID_AMD || dev->vendor == PCI_VENDOR_ID_HYGON) &&
 	    ((dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS &&
 	     dev->revision >= 0x41) ||
 	    (dev->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS &&
@@ -579,6 +579,8 @@ static const struct pci_device_id sp5100_tco_pci_tbl[] = {
 	  PCI_ANY_ID, },
 	{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, PCI_ANY_ID,
 	  PCI_ANY_ID, },
+	{ PCI_VENDOR_ID_HYGON, PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, PCI_ANY_ID,
+	  PCI_ANY_ID, },
 	{ 0, },			/* End of list */
 };
 MODULE_DEVICE_TABLE(pci, sp5100_tco_pci_tbl);
-- 
2.39.2