linux-kernel - [PATCH] phy: broadcom: ns-usb3: Fix Wvoid-pointer-to-enum-cast warning (again)

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Message-ID: <20251224115533.154162-2-krzysztof.kozlowski@oss.qualcomm.com>
Date: Wed, 24 Dec 2025 12:55:34 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
To: Vinod Koul <vkoul@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
        Bill Wendling <morbo@...gle.com>,
        Justin Stitt <justinstitt@...gle.com>,
        Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh@...nel.org>,
        linux-phy@...ts.infradead.org, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: [PATCH] phy: broadcom: ns-usb3: Fix Wvoid-pointer-to-enum-cast warning (again)

"family" is an enum, thus cast of pointer on 64-bit compile test with
clang W=1 causes:

  phy-bcm-ns-usb3.c:206:17: error: cast to smaller integer type 'enum bcm_ns_family' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

This was already fixed in commit bd6e74a2f0a0 ("phy: broadcom: ns-usb3:
fix Wvoid-pointer-to-enum-cast warning") but then got bad in commit
21bf6fc47a1e ("phy: Use device_get_match_data()").

Note that after various discussions the preferred cast is via "unsigned
long", not "uintptr_t".

Fixes: 21bf6fc47a1e ("phy: Use device_get_match_data()")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
---
 drivers/phy/broadcom/phy-bcm-ns-usb3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/broadcom/phy-bcm-ns-usb3.c b/drivers/phy/broadcom/phy-bcm-ns-usb3.c
index 9f995e156f75..6e56498d0644 100644
--- a/drivers/phy/broadcom/phy-bcm-ns-usb3.c
+++ b/drivers/phy/broadcom/phy-bcm-ns-usb3.c
@@ -203,7 +203,7 @@ static int bcm_ns_usb3_mdio_probe(struct mdio_device *mdiodev)
 	usb3->dev = dev;
 	usb3->mdiodev = mdiodev;
 
-	usb3->family = (enum bcm_ns_family)device_get_match_data(dev);
+	usb3->family = (unsigned long)device_get_match_data(dev);
 
 	syscon_np = of_parse_phandle(dev->of_node, "usb3-dmp-syscon", 0);
 	err = of_address_to_resource(syscon_np, 0, &res);
-- 
2.51.0