linux-kernel - [PATCH 1/2] phy: ralink: mt7621-pci: add sentinel to quirks table

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Date:   Sat,  5 Nov 2022 06:52:41 +1000
From:   John Thomson <git@...nthomson.fastmail.com.au>
To:     Sergio Paracuellos <sergio.paracuellos@...il.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arınç ÜNAL <arinc.unal@...nc9.com>
Cc:     linux-phy@...ts.infradead.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        John Thomson <git@...nthomson.fastmail.com.au>
Subject: [PATCH 1/2] phy: ralink: mt7621-pci: add sentinel to quirks table

With mt7621 soc_dev_attr fixed to register the soc as a device,
kernel will experience an oops in soc_device_match_attr

This quirk test was introduced in the staging driver in
commit 9445ccb3714c ("staging: mt7621-pci-phy: add quirks for 'E2'
revision using 'soc_device_attribute'"). The staging driver was removed,
and later re-added in commit d87da32372a0 ("phy: ralink: Add PHY driver
for MT7621 PCIe PHY") for kernel 5.11

Link: https://lore.kernel.org/lkml/26ebbed1-0fe9-4af9-8466-65f841d0b382@app.fastmail.com
Fixes: d87da32372a0 ("phy: ralink: Add PHY driver for MT7621 PCIe PHY")
Signed-off-by: John Thomson <git@...nthomson.fastmail.com.au>
---
 drivers/phy/ralink/phy-mt7621-pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/ralink/phy-mt7621-pci.c b/drivers/phy/ralink/phy-mt7621-pci.c
index 5e6530f545b5..85888ab2d307 100644
--- a/drivers/phy/ralink/phy-mt7621-pci.c
+++ b/drivers/phy/ralink/phy-mt7621-pci.c
@@ -280,7 +280,8 @@ static struct phy *mt7621_pcie_phy_of_xlate(struct device *dev,
 }
 
 static const struct soc_device_attribute mt7621_pci_quirks_match[] = {
-	{ .soc_id = "mt7621", .revision = "E2" }
+	{ .soc_id = "mt7621", .revision = "E2" },
+	{ /* sentinel */ }
 };
 
 static const struct regmap_config mt7621_pci_phy_regmap_config = {
-- 
2.37.2