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Groups > linux.kernel > #1718361

[PATCH] phy: ralink: fix 64-bit build warning

From Arnd Bergmann <arnd@arndb.de>
Newsgroups linux.kernel
Subject [PATCH] phy: ralink: fix 64-bit build warning
Date 2017-08-23 15:50 +0200
Message-ID <uhEcG-1bd-11@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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Casting between an 'int' and a pointer causes a warning on
64-bit architectures in compile-testing this driver:

drivers/phy/ralink/phy-ralink-usb.c: In function 'ralink_usb_phy_probe':
drivers/phy/ralink/phy-ralink-usb.c:195:13: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]

This changes the code to cast to uintptr_t instead. This is
guaranteed to do what we want on all architectures and avoids
the warning.

Fixes: 2411a736ff09 ("phy: ralink-usb: add driver for Mediatek/Ralink")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/phy/ralink/phy-ralink-usb.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/phy/ralink/phy-ralink-usb.c b/drivers/phy/ralink/phy-ralink-usb.c
index d19088c0ce5c..4fea31f8ac1c 100644
--- a/drivers/phy/ralink/phy-ralink-usb.c
+++ b/drivers/phy/ralink/phy-ralink-usb.c
@@ -160,18 +160,18 @@ static struct phy_ops ralink_usb_phy_ops = {
 static const struct of_device_id ralink_usb_phy_of_match[] = {
 	{
 		.compatible = "ralink,rt3352-usbphy",
-		.data = (void *) (RT_CLKCFG1_UPHY1_CLK_EN |
-				  RT_CLKCFG1_UPHY0_CLK_EN)
+		.data = (void *)(uintptr_t)(RT_CLKCFG1_UPHY1_CLK_EN |
+					    RT_CLKCFG1_UPHY0_CLK_EN)
 	},
 	{
 		.compatible = "mediatek,mt7620-usbphy",
-		.data = (void *) (MT7620_CLKCFG1_UPHY1_CLK_EN |
-				  MT7620_CLKCFG1_UPHY0_CLK_EN)
+		.data = (void *)(uintptr_t)(MT7620_CLKCFG1_UPHY1_CLK_EN |
+					    MT7620_CLKCFG1_UPHY0_CLK_EN)
 	},
 	{
 		.compatible = "mediatek,mt7628-usbphy",
-		.data = (void *) (MT7620_CLKCFG1_UPHY1_CLK_EN |
-				  MT7620_CLKCFG1_UPHY0_CLK_EN) },
+		.data = (void *)(uintptr_t)(MT7620_CLKCFG1_UPHY1_CLK_EN |
+					    MT7620_CLKCFG1_UPHY0_CLK_EN) },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, ralink_usb_phy_of_match);
@@ -192,7 +192,7 @@ static int ralink_usb_phy_probe(struct platform_device *pdev)
 	if (!phy)
 		return -ENOMEM;
 
-	phy->clk = (u32) match->data;
+	phy->clk = (uintptr_t)match->data;
 	phy->base = NULL;
 
 	phy->sysctl = syscon_regmap_lookup_by_phandle(dev->of_node, "ralink,sysctl");
-- 
2.9.0

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Thread

[PATCH] phy: ralink: fix 64-bit build warning Arnd Bergmann <arnd@arndb.de> - 2017-08-23 15:50 +0200
  Re: [PATCH] phy: ralink: fix 64-bit build warning John Crispin <john@phrozen.org> - 2017-08-23 16:00 +0200
  Re: [PATCH] phy: ralink: fix 64-bit build warning Kishon Vijay Abraham I <kishon@ti.com> - 2017-08-23 16:00 +0200
  Re: [PATCH] phy: ralink: fix 64-bit build warning Harvey Hunt <Harvey.Hunt@imgtec.com> - 2017-08-23 16:00 +0200
  Re: [PATCH] phy: ralink: fix 64-bit build warning Kishon Vijay Abraham I <kishon@ti.com> - 2017-08-23 16:30 +0200
    Re: [PATCH] phy: ralink: fix 64-bit build warning Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-08-24 01:40 +0200
      Re: [PATCH] phy: ralink: fix 64-bit build warning Kishon Vijay Abraham I <kishon@ti.com> - 2017-08-24 10:00 +0200

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