diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/pxa/clk-pxa25x.c | 2 | ||||
| -rw-r--r-- | drivers/clocksource/pxa_timer.c | 11 | ||||
| -rw-r--r-- | drivers/watchdog/sa1100_wdt.c | 24 |
3 files changed, 29 insertions, 8 deletions
diff --git a/drivers/clk/pxa/clk-pxa25x.c b/drivers/clk/pxa/clk-pxa25x.c index a98b98e2a9e4..56b0a6027e38 100644 --- a/drivers/clk/pxa/clk-pxa25x.c +++ b/drivers/clk/pxa/clk-pxa25x.c @@ -230,7 +230,7 @@ static struct dummy_clk dummy_clks[] __initdata = { DUMMY_CLK("GPIO11_CLK", NULL, "osc_3_6864mhz"), DUMMY_CLK("GPIO12_CLK", NULL, "osc_32_768khz"), DUMMY_CLK(NULL, "sa1100-rtc", "osc_32_768khz"), - DUMMY_CLK("OSTIMER0", NULL, "osc_32_768khz"), + DUMMY_CLK("OSTIMER0", NULL, "osc_3_6864mhz"), DUMMY_CLK("UARTCLK", "pxa2xx-ir", "STUART"), }; diff --git a/drivers/clocksource/pxa_timer.c b/drivers/clocksource/pxa_timer.c index 3e1cb512f3ce..9cae38eebec2 100644 --- a/drivers/clocksource/pxa_timer.c +++ b/drivers/clocksource/pxa_timer.c @@ -220,17 +220,16 @@ CLOCKSOURCE_OF_DECLARE(pxa_timer, "marvell,pxa-timer", pxa_timer_dt_init); /* * Legacy timer init for non device-tree boards. */ -void __init pxa_timer_nodt_init(int irq, void __iomem *base, - unsigned long clock_tick_rate) +void __init pxa_timer_nodt_init(int irq, void __iomem *base) { struct clk *clk; timer_base = base; clk = clk_get(NULL, "OSTIMER0"); - if (clk && !IS_ERR(clk)) + if (clk && !IS_ERR(clk)) { clk_prepare_enable(clk); - else + pxa_timer_common_init(irq, clk_get_rate(clk)); + } else { pr_crit("%s: unable to get clk\n", __func__); - - pxa_timer_common_init(irq, clock_tick_rate); + } } diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c index e1d39a1e9628..8965e3f536c3 100644 --- a/drivers/watchdog/sa1100_wdt.c +++ b/drivers/watchdog/sa1100_wdt.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> +#include <linux/clk.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/fs.h> @@ -155,12 +156,27 @@ static struct miscdevice sa1100dog_miscdev = { }; static int margin __initdata = 60; /* (secs) Default is 1 minute */ +static struct clk *clk; static int __init sa1100dog_init(void) { int ret; - oscr_freq = get_clock_tick_rate(); + clk = clk_get(NULL, "OSTIMER0"); + if (IS_ERR(clk)) { + pr_err("SA1100/PXA2xx Watchdog Timer: clock not found: %d\n", + (int) PTR_ERR(clk)); + return PTR_ERR(clk); + } + + ret = clk_prepare_enable(clk); + if (ret) { + pr_err("SA1100/PXA2xx Watchdog Timer: clock failed to prepare+enable: %d\n", + ret); + goto err; + } + + oscr_freq = clk_get_rate(clk); /* * Read the reset status, and save it for later. If @@ -176,11 +192,17 @@ static int __init sa1100dog_init(void) pr_info("SA1100/PXA2xx Watchdog Timer: timer margin %d sec\n", margin); return ret; +err: + clk_disable_unprepare(clk); + clk_put(clk); + return ret; } static void __exit sa1100dog_exit(void) { misc_deregister(&sa1100dog_miscdev); + clk_disable_unprepare(clk); + clk_put(clk); } module_init(sa1100dog_init); |
