linux-kernel - [PATCH -next] phy: stm32: fix using 0 as NULL pointer warnings

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Message-ID: <1521551982-154471-1-git-send-email-weiyongjun1@huawei.com>
Date:   Tue, 20 Mar 2018 13:19:42 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Amelie Delaunay <amelie.delaunay@...com>
CC:     Wei Yongjun <weiyongjun1@...wei.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH -next] phy: stm32: fix using 0 as NULL pointer warnings

Fixes the following sparse warnings:

drivers/phy/st/phy-stm32-usbphyc.c:331:42: warning:
 Using plain integer as NULL pointer
drivers/phy/st/phy-stm32-usbphyc.c:344:52: warning:
 Using plain integer as NULL pointer

Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/phy/st/phy-stm32-usbphyc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-stm32-usbphyc.c
index bc4e78a..48d4086 100644
--- a/drivers/phy/st/phy-stm32-usbphyc.c
+++ b/drivers/phy/st/phy-stm32-usbphyc.c
@@ -328,7 +328,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
 	if (IS_ERR(usbphyc->base))
 		return PTR_ERR(usbphyc->base);
 
-	usbphyc->clk = devm_clk_get(dev, 0);
+	usbphyc->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(usbphyc->clk)) {
 		ret = PTR_ERR(usbphyc->clk);
 		dev_err(dev, "clk get failed: %d\n", ret);
@@ -341,7 +341,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	usbphyc->rst = devm_reset_control_get(dev, 0);
+	usbphyc->rst = devm_reset_control_get(dev, NULL);
 	if (!IS_ERR(usbphyc->rst)) {
 		reset_control_assert(usbphyc->rst);
 		udelay(2);