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| author | Tomasz Figa <tomasz.figa@gmail.com> | 2013-06-13 21:22:44 +0200 |
|---|---|---|
| committer | Tomasz Figa <tomasz.figa@gmail.com> | 2013-08-06 01:21:40 +0200 |
| commit | e24154896e2f60b0c20bda492d662ad77ffa5c32 (patch) | |
| tree | f3c1bc9bd5c60ad96d14c9f24db5a45ffb94da76 /drivers/clocksource/samsung_pwm_timer.c | |
| parent | Linux 3.11-rc4 (diff) | |
| download | linux-e24154896e2f60b0c20bda492d662ad77ffa5c32.tar.xz linux-e24154896e2f60b0c20bda492d662ad77ffa5c32.zip | |
clocksource: samsung_pwm_timer: Do not request PWM mem region
PWM registers are shared between clocksource and PWM drivers and so can
not be claimed for exclusive use.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Mark Brown <broonie@linaro.org>
Tested-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/clocksource/samsung_pwm_timer.c')
| -rw-r--r-- | drivers/clocksource/samsung_pwm_timer.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c index 584b5472eea3..3fa5b07fa50d 100644 --- a/drivers/clocksource/samsung_pwm_timer.c +++ b/drivers/clocksource/samsung_pwm_timer.c @@ -404,7 +404,6 @@ void __init samsung_pwm_clocksource_init(void __iomem *base, static void __init samsung_pwm_alloc(struct device_node *np, const struct samsung_pwm_variant *variant) { - struct resource res; struct property *prop; const __be32 *cur; u32 val; @@ -423,17 +422,9 @@ static void __init samsung_pwm_alloc(struct device_node *np, pwm.variant.output_mask |= 1 << val; } - of_address_to_resource(np, 0, &res); - if (!request_mem_region(res.start, - resource_size(&res), "samsung-pwm")) { - pr_err("%s: failed to request IO mem region\n", __func__); - return; - } - - pwm.base = ioremap(res.start, resource_size(&res)); + pwm.base = of_iomap(np, 0); if (!pwm.base) { pr_err("%s: failed to map PWM registers\n", __func__); - release_mem_region(res.start, resource_size(&res)); return; } |