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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-06-19 11:35:08 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-08-07 12:11:10 +0200 |
| commit | 5ef881bbecc72862fa379cb286a50f2781db4cec (patch) | |
| tree | 0e8085710f8d21a1485801466f0779ce71ce7ae2 /arch/arm/plat-mxc | |
| parent | MXC gpio interrupt support: move register definitions to .c file (diff) | |
| download | linux-5ef881bbecc72862fa379cb286a50f2781db4cec.tar.xz linux-5ef881bbecc72862fa379cb286a50f2781db4cec.zip | |
MXC: pwm driver fixes
- fix off-by-one error in divider calculation
- disable pwm in pwm_disable
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/pwm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c index ae34198a79dd..42dd17b89ff3 100644 --- a/arch/arm/plat-mxc/pwm.c +++ b/arch/arm/plat-mxc/pwm.c @@ -72,7 +72,7 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR); writel(period_cycles, pwm->mmio_base + MX3_PWMPR); - writel(MX3_PWMCR_PRESCALER(prescale - 1) | + writel(MX3_PWMCR_PRESCALER(prescale) | MX3_PWMCR_CLKSRC_IPG_HIGH | MX3_PWMCR_EN, pwm->mmio_base + MX3_PWMCR); } else if (cpu_is_mx1() || cpu_is_mx21()) { @@ -118,6 +118,8 @@ EXPORT_SYMBOL(pwm_enable); void pwm_disable(struct pwm_device *pwm) { + writel(0, pwm->mmio_base + MX3_PWMCR); + if (pwm->clk_enabled) { clk_disable(pwm->clk); pwm->clk_enabled = 0; |