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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:15:29 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:15:29 -0800 |
commit | 1c496784a0d317535f846ddb2c93a08ba936266b (patch) | |
tree | 6d0225860032f263b6d95a3e55c364a1a5f55ec1 /arch/arm/plat-omap/omap_device.c | |
parent | adf9904dc774f23f04a5425f0198483ea61f878b (diff) | |
parent | 9a01609e1885b827b979d6d9dd86f43208a9e5fc (diff) |
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (149 commits)
arm: omap: Add omap3_defconfig
AM35xx: Defconfig for AM3517 EVM board
AM35xx: Add support for AM3517 EVM board
omap: 3630sdp: defconfig creation
omap: 3630sdp: introduce 3630 sdp board support
omap3: Add defconfig for IGEP v2 board
omap3: Add minimal IGEP v2 support
omap3: Add CompuLab CM-T35 defconfig
omap3: Add CompuLab CM-T35 board support
omap3: rx51: Add wl1251 wlan driver support
omap3: rx51: Add SDRAM init
omap1: Add default kernel configuration for Herald
omap1: Add board support and LCD for HTC Herald
omap: zoom2: update defconfig for LL_DEBUG_NONE
omap: zoom3: defconfig creation
omap3: zoom: Introduce zoom3 board support
omap3: zoom: Drop i2c-1 speed to 2400
omap3: zoom: rename zoom2 name to generic zoom
omap3: zoom: split board file for software reuse
omap3evm: MIgrate to smsc911x ethernet driver
...
Fix trivial conflict (two unrelated config options added next to each
other) in arch/arm/mach-omap2/Makefile
Diffstat (limited to 'arch/arm/plat-omap/omap_device.c')
-rw-r--r-- | arch/arm/plat-omap/omap_device.c | 54 |
1 files changed, 21 insertions, 33 deletions
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 2c409fc6dd21..bb16e624a557 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -82,8 +82,8 @@ #include <linux/err.h> #include <linux/io.h> -#include <mach/omap_device.h> -#include <mach/omap_hwmod.h> +#include <plat/omap_device.h> +#include <plat/omap_hwmod.h> /* These parameters are passed to _omap_device_{de,}activate() */ #define USE_WAKEUP_LAT 0 @@ -103,21 +103,6 @@ /* Private functions */ /** - * _read_32ksynct - read the OMAP 32K sync timer - * - * Returns the current value of the 32KiHz synchronization counter. - * XXX this should be generalized to simply read the system clocksource. - * XXX this should be moved to a separate synctimer32k.c file - */ -static u32 _read_32ksynct(void) -{ - if (!cpu_class_is_omap2()) - BUG(); - - return __raw_readl(OMAP2_IO_ADDRESS(OMAP_32KSYNCT_BASE + 0x010)); -} - -/** * _omap_device_activate - increase device readiness * @od: struct omap_device * * @ignore_lat: increase to latency target (0) or full readiness (1)? @@ -133,13 +118,13 @@ static u32 _read_32ksynct(void) */ static int _omap_device_activate(struct omap_device *od, u8 ignore_lat) { - u32 a, b; + struct timespec a, b, c; pr_debug("omap_device: %s: activating\n", od->pdev.name); while (od->pm_lat_level > 0) { struct omap_device_pm_latency *odpl; - int act_lat = 0; + unsigned long long act_lat = 0; od->pm_lat_level--; @@ -149,20 +134,22 @@ static int _omap_device_activate(struct omap_device *od, u8 ignore_lat) (od->dev_wakeup_lat <= od->_dev_wakeup_lat_limit)) break; - a = _read_32ksynct(); + getnstimeofday(&a); /* XXX check return code */ odpl->activate_func(od); - b = _read_32ksynct(); + getnstimeofday(&b); - act_lat = (b - a) >> 15; /* 32KiHz cycles to microseconds */ + c = timespec_sub(b, a); + act_lat = timespec_to_ns(&c) * NSEC_PER_USEC; pr_debug("omap_device: %s: pm_lat %d: activate: elapsed time " - "%d usec\n", od->pdev.name, od->pm_lat_level, act_lat); + "%llu usec\n", od->pdev.name, od->pm_lat_level, + act_lat); WARN(act_lat > odpl->activate_lat, "omap_device: %s.%d: " - "activate step %d took longer than expected (%d > %d)\n", + "activate step %d took longer than expected (%llu > %d)\n", od->pdev.name, od->pdev.id, od->pm_lat_level, act_lat, odpl->activate_lat); @@ -188,13 +175,13 @@ static int _omap_device_activate(struct omap_device *od, u8 ignore_lat) */ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat) { - u32 a, b; + struct timespec a, b, c; pr_debug("omap_device: %s: deactivating\n", od->pdev.name); while (od->pm_lat_level < od->pm_lats_cnt) { struct omap_device_pm_latency *odpl; - int deact_lat = 0; + unsigned long long deact_lat = 0; odpl = od->pm_lats + od->pm_lat_level; @@ -203,23 +190,24 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat) od->_dev_wakeup_lat_limit)) break; - a = _read_32ksynct(); + getnstimeofday(&a); /* XXX check return code */ odpl->deactivate_func(od); - b = _read_32ksynct(); + getnstimeofday(&b); - deact_lat = (b - a) >> 15; /* 32KiHz cycles to microseconds */ + c = timespec_sub(b, a); + deact_lat = timespec_to_ns(&c) * NSEC_PER_USEC; pr_debug("omap_device: %s: pm_lat %d: deactivate: elapsed time " - "%d usec\n", od->pdev.name, od->pm_lat_level, + "%llu usec\n", od->pdev.name, od->pm_lat_level, deact_lat); WARN(deact_lat > odpl->deactivate_lat, "omap_device: %s.%d: " - "deactivate step %d took longer than expected (%d > %d)\n", - od->pdev.name, od->pdev.id, od->pm_lat_level, - deact_lat, odpl->deactivate_lat); + "deactivate step %d took longer than expected " + "(%llu > %d)\n", od->pdev.name, od->pdev.id, + od->pm_lat_level, deact_lat, odpl->deactivate_lat); od->dev_wakeup_lat += odpl->activate_lat; |