Commit 140827c1 authored by Sascha Hauer's avatar Sascha Hauer Committed by Thierry Reding

pwm: i.MX: remove unnecessary if in pwm_[en|dis]able

The PWM core makes sure that pwm_enable/disable are called only
once. Still keep the enabled state since we will need it in
pwm_config.
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: default avatarShawn Guo <shawn.guo@linaro.org>
Reviewed-by: default avatarBenoît Thébaudeau <benoit.thebaudeau@advansee.com>
Signed-off-by: default avatarThierry Reding <thierry.reding@avionic-design.de>
parent 19e73333
......@@ -42,7 +42,7 @@
struct imx_chip {
struct clk *clk;
int clk_enabled;
int enabled;
void __iomem *mmio_base;
struct pwm_chip chip;
......@@ -139,14 +139,15 @@ static int imx_pwm_config(struct pwm_chip *chip,
static int imx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
{
struct imx_chip *imx = to_imx_chip(chip);
int rc = 0;
int ret;
if (!imx->clk_enabled) {
rc = clk_prepare_enable(imx->clk);
if (!rc)
imx->clk_enabled = 1;
}
return rc;
ret = clk_prepare_enable(imx->clk);
if (ret)
return ret;
imx->enabled = 1;
return 0;
}
static void imx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
......@@ -155,10 +156,8 @@ static void imx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
writel(0, imx->mmio_base + MX3_PWMCR);
if (imx->clk_enabled) {
clk_disable_unprepare(imx->clk);
imx->clk_enabled = 0;
}
imx->enabled = 0;
}
static struct pwm_ops imx_pwm_ops = {
......@@ -190,8 +189,6 @@ static int __devinit imx_pwm_probe(struct platform_device *pdev)
imx->chip.base = -1;
imx->chip.npwm = 1;
imx->clk_enabled = 0;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (r == NULL) {
dev_err(&pdev->dev, "no memory resource defined\n");
......
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