From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: From: Tomasz Figa Subject: [PATCH v4 01/20] clocksource: samsung_pwm_timer: Do not request PWM mem region Date: Sat, 20 Jul 2013 02:04:13 +0200 Message-Id: <1374278673-25615-2-git-send-email-tomasz.figa@gmail.com> In-Reply-To: <1374278673-25615-1-git-send-email-tomasz.figa@gmail.com> References: <1374278673-25615-1-git-send-email-tomasz.figa@gmail.com> List-ID: To: linux-samsung-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-pwm@vger.kernel.org, Kukjin Kim , Arnd Bergmann , Olof Johansson , Sylwester Nawrocki , =?UTF-8?q?Heiko=20St=C3=BCbner?= , Mark Brown , Thierry Reding , Tomasz Figa PWM registers are shared between clocksource and PWM drivers and so can not be claimed for exclusive use. Signed-off-by: Tomasz Figa --- drivers/clocksource/samsung_pwm_timer.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c index 584b547..3fa5b07 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; } -- 1.8.3.2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomasz.figa@gmail.com (Tomasz Figa) Date: Sat, 20 Jul 2013 02:04:13 +0200 Subject: [PATCH v4 01/20] clocksource: samsung_pwm_timer: Do not request PWM mem region In-Reply-To: <1374278673-25615-1-git-send-email-tomasz.figa@gmail.com> References: <1374278673-25615-1-git-send-email-tomasz.figa@gmail.com> Message-ID: <1374278673-25615-2-git-send-email-tomasz.figa@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org PWM registers are shared between clocksource and PWM drivers and so can not be claimed for exclusive use. Signed-off-by: Tomasz Figa --- drivers/clocksource/samsung_pwm_timer.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c index 584b547..3fa5b07 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; } -- 1.8.3.2