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authorJulia Lawall <Julia.Lawall@lip6.fr>2013-08-14 13:11:25 +0400
committerThierry Reding <thierry.reding@gmail.com>2013-09-03 15:09:16 +0400
commit88d5a2e6ffaa32e2a09a994872ca10aca07a36e9 (patch)
tree05783d570a357d15464bc346b4f8458990cc73b6 /drivers/pwm/pwm-renesas-tpu.c
parent382457e562bbb1ea7d94923e58fcbac9e981ff18 (diff)
downloadlinux-88d5a2e6ffaa32e2a09a994872ca10aca07a36e9.tar.xz
pwm: simplify use of devm_ioremap_resource
Remove unneeded error handling on the result of a call to platform_get_resource when the value is passed to devm_ioremap_resource. Move the call to platform_get_resource adjacent to the call to devm_ioremap_resource to make the connection between them more clear. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression pdev,res,n,e,e1; expression ret != 0; identifier l; @@ - res = platform_get_resource(pdev, IORESOURCE_MEM, n); ... when != res - if (res == NULL) { ... \(goto l;\|return ret;\) } ... when != res + res = platform_get_resource(pdev, IORESOURCE_MEM, n); e = devm_ioremap_resource(e1, res); // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-renesas-tpu.c')
-rw-r--r--drivers/pwm/pwm-renesas-tpu.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/pwm/pwm-renesas-tpu.c b/drivers/pwm/pwm-renesas-tpu.c
index 3eeffff69280..aff6ba9b49e7 100644
--- a/drivers/pwm/pwm-renesas-tpu.c
+++ b/drivers/pwm/pwm-renesas-tpu.c
@@ -418,11 +418,6 @@ static int tpu_probe(struct platform_device *pdev)
/* Map memory, get clock and pin control. */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "failed to get I/O memory\n");
- return -ENXIO;
- }
-
tpu->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(tpu->base))
return PTR_ERR(tpu->base);