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author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-09-05 16:22:45 +0200 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-09-05 16:22:45 +0200 |
commit | 593d0a3e9f813db910dc50574532914db21d09ff (patch) | |
tree | 12d8413ee57b4383ca8c906996ffe02be6d377a5 /arch/arm/mach-omap2/timer.c | |
parent | xen/p2m: Fix one-off error in checking the P2M tree directory. (diff) | |
parent | Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
download | linux-593d0a3e9f813db910dc50574532914db21d09ff.tar.xz linux-593d0a3e9f813db910dc50574532914db21d09ff.zip |
Merge commit '4cb38750d49010ae72e718d46605ac9ba5a851b4' into stable/for-linus-3.6
* commit '4cb38750d49010ae72e718d46605ac9ba5a851b4': (6849 commits)
bcma: fix invalid PMU chip control masks
[libata] pata_cmd64x: whitespace cleanup
libata-acpi: fix up for acpi_pm_device_sleep_state API
sata_dwc_460ex: device tree may specify dma_channel
ahci, trivial: fixed coding style issues related to braces
ahci_platform: add hibernation callbacks
libata-eh.c: local functions should not be exposed globally
libata-transport.c: local functions should not be exposed globally
sata_dwc_460ex: support hardreset
ata: use module_pci_driver
drivers/ata/pata_pcmcia.c: adjust suspicious bit operation
pata_imx: Convert to clk_prepare_enable/clk_disable_unprepare
ahci: Enable SB600 64bit DMA on MSI K9AGM2 (MS-7327) v2
[libata] Prevent interface errors with Seagate FreeAgent GoFlex
drivers/acpi/glue: revert accidental license-related 6b66d95895c bits
libata-acpi: add missing inlines in libata.h
i2c-omap: Add support for I2C_M_STOP message flag
i2c: Fall back to emulated SMBus if the operation isn't supported natively
i2c: Add SCCB support
i2c-tiny-usb: Add support for the Robofuzz OSIF USB/I2C converter
...
Diffstat (limited to 'arch/arm/mach-omap2/timer.c')
-rw-r--r-- | arch/arm/mach-omap2/timer.c | 93 |
1 files changed, 14 insertions, 79 deletions
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 840929bd9dae..13d20c8a283d 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -69,11 +69,6 @@ #define OMAP3_SECURE_TIMER 1 #endif -/* MAX_GPTIMER_ID: number of GPTIMERs on the chip */ -#define MAX_GPTIMER_ID 12 - -static u32 sys_timer_reserved; - /* Clockevent code */ static struct omap_dm_timer clkev; @@ -173,14 +168,14 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, return -ENXIO; /* After the dmtimer is using hwmod these clocks won't be needed */ - sprintf(name, "gpt%d_fck", gptimer_id); - timer->fclk = clk_get(NULL, name); + timer->fclk = clk_get(NULL, omap_hwmod_get_main_clk(oh)); if (IS_ERR(timer->fclk)) return -ENODEV; omap_hwmod_enable(oh); - sys_timer_reserved |= (1 << (gptimer_id - 1)); + if (omap_dm_timer_reserve_systimer(gptimer_id)) + return -ENODEV; if (gptimer_id != 12) { struct clk *src; @@ -368,6 +363,11 @@ OMAP_SYS_TIMER_INIT(3_secure, OMAP3_SECURE_TIMER, OMAP3_CLKEV_SOURCE, OMAP_SYS_TIMER(3_secure) #endif +#ifdef CONFIG_SOC_AM33XX +OMAP_SYS_TIMER_INIT(3_am33xx, 1, OMAP4_MPU_SOURCE, 2, OMAP4_MPU_SOURCE) +OMAP_SYS_TIMER(3_am33xx) +#endif + #ifdef CONFIG_ARCH_OMAP4 #ifdef CONFIG_LOCAL_TIMERS static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, @@ -393,65 +393,10 @@ static void __init omap4_timer_init(void) OMAP_SYS_TIMER(4) #endif -/** - * omap2_dm_timer_set_src - change the timer input clock source - * @pdev: timer platform device pointer - * @source: array index of parent clock source - */ -static int omap2_dm_timer_set_src(struct platform_device *pdev, int source) -{ - int ret; - struct dmtimer_platform_data *pdata = pdev->dev.platform_data; - struct clk *fclk, *parent; - char *parent_name = NULL; - - fclk = clk_get(&pdev->dev, "fck"); - if (IS_ERR_OR_NULL(fclk)) { - dev_err(&pdev->dev, "%s: %d: clk_get() FAILED\n", - __func__, __LINE__); - return -EINVAL; - } - - switch (source) { - case OMAP_TIMER_SRC_SYS_CLK: - parent_name = "sys_ck"; - break; - - case OMAP_TIMER_SRC_32_KHZ: - parent_name = "32k_ck"; - break; - - case OMAP_TIMER_SRC_EXT_CLK: - if (pdata->timer_ip_version == OMAP_TIMER_IP_VERSION_1) { - parent_name = "alt_ck"; - break; - } - dev_err(&pdev->dev, "%s: %d: invalid clk src.\n", - __func__, __LINE__); - clk_put(fclk); - return -EINVAL; - } - - parent = clk_get(&pdev->dev, parent_name); - if (IS_ERR_OR_NULL(parent)) { - dev_err(&pdev->dev, "%s: %d: clk_get() %s FAILED\n", - __func__, __LINE__, parent_name); - clk_put(fclk); - return -EINVAL; - } - - ret = clk_set_parent(fclk, parent); - if (IS_ERR_VALUE(ret)) { - dev_err(&pdev->dev, "%s: clk_set_parent() to %s FAILED\n", - __func__, parent_name); - ret = -EINVAL; - } - - clk_put(parent); - clk_put(fclk); - - return ret; -} +#ifdef CONFIG_SOC_OMAP5 +OMAP_SYS_TIMER_INIT(5, 1, OMAP4_CLKEV_SOURCE, 2, OMAP4_MPU_SOURCE) +OMAP_SYS_TIMER(5) +#endif /** * omap_timer_init - build and register timer device with an @@ -473,7 +418,6 @@ static int __init omap_timer_init(struct omap_hwmod *oh, void *unused) struct dmtimer_platform_data *pdata; struct platform_device *pdev; struct omap_timer_capability_dev_attr *timer_dev_attr; - struct powerdomain *pwrdm; pr_debug("%s: %s\n", __func__, oh->name); @@ -501,18 +445,9 @@ static int __init omap_timer_init(struct omap_hwmod *oh, void *unused) */ sscanf(oh->name, "timer%2d", &id); - pdata->set_timer_src = omap2_dm_timer_set_src; - pdata->timer_ip_version = oh->class->rev; + if (timer_dev_attr) + pdata->timer_capability = timer_dev_attr->timer_capability; - /* Mark clocksource and clockevent timers as reserved */ - if ((sys_timer_reserved >> (id - 1)) & 0x1) - pdata->reserved = 1; - - pwrdm = omap_hwmod_get_pwrdm(oh); - pdata->loses_context = pwrdm_can_ever_lose_context(pwrdm); -#ifdef CONFIG_PM - pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count; -#endif pdev = omap_device_build(name, id, oh, pdata, sizeof(*pdata), NULL, 0, 0); |