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phy: stm32: use NULL instead of zero

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devm_clk_get() and devm_reset_control_get() expect a const char *id for
the last arg, but a value of zero was provided. This results in below
sparse warning:

drivers/phy/st/phy-stm32-usbphyc.c:330:42: warning: Using plain integer as NULL pointer
drivers/phy/st/phy-stm32-usbphyc.c:343:52: warning: Using plain integer as NULL pointer

Instead of zero, use NULL

Reviewed-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20200708132809.265967-6-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Vinod Koul 2020-07-08 18:58:09 +05:30
parent 0672fb0d42
commit 0ff35966d1
1 changed files with 2 additions and 2 deletions
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4
drivers/phy/st/phy-stm32-usbphyc.c
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@ -327,7 +327,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
if (IS_ERR(usbphyc->base)) if (IS_ERR(usbphyc->base))
return PTR_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)) { if (IS_ERR(usbphyc->clk)) {
ret = PTR_ERR(usbphyc->clk); ret = PTR_ERR(usbphyc->clk);
dev_err(dev, "clk get failed: %d\n", ret); dev_err(dev, "clk get failed: %d\n", ret);
@ -340,7 +340,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
return ret; return ret;
} }
usbphyc->rst = devm_reset_control_get(dev, 0); usbphyc->rst = devm_reset_control_get(dev, NULL);
if (!IS_ERR(usbphyc->rst)) { if (!IS_ERR(usbphyc->rst)) {
reset_control_assert(usbphyc->rst); reset_control_assert(usbphyc->rst);
udelay(2); udelay(2);