diff options
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/plat-omap/counter_32k.c | 21 | ||||
| -rw-r--r-- | arch/arm/plat-omap/i2c.c | 21 | ||||
| -rw-r--r-- | arch/arm/plat-omap/omap-pm-noop.c | 8 | ||||
| -rw-r--r-- | arch/arm/plat-omap/omap_device.c | 2 |
5 files changed, 21 insertions, 33 deletions
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index ca83a76..c9d1c36 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -43,11 +43,13 @@ config OMAP_DEBUG_DEVICES config OMAP_DEBUG_LEDS def_bool y if NEW_LEDS + select LEDS_CLASS depends on OMAP_DEBUG_DEVICES config POWER_AVS_OMAP bool "AVS(Adaptive Voltage Scaling) support for OMAP IP versions 1&2" depends on POWER_AVS && (ARCH_OMAP3 || ARCH_OMAP4) && PM + select POWER_SUPPLY help Say Y to enable AVS(Adaptive Voltage Scaling) support on OMAP containing the version 1 or diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c index 2e826f1..87ba8dd 100644 --- a/arch/arm/plat-omap/counter_32k.c +++ b/arch/arm/plat-omap/counter_32k.c @@ -52,22 +52,29 @@ static u32 notrace omap_32k_read_sched_clock(void) * nsecs and adds to a monotonically increasing timespec. */ static struct timespec persistent_ts; -static cycles_t cycles, last_cycles; +static cycles_t cycles; static unsigned int persistent_mult, persistent_shift; +static DEFINE_SPINLOCK(read_persistent_clock_lock); + static void omap_read_persistent_clock(struct timespec *ts) { unsigned long long nsecs; - cycles_t delta; - struct timespec *tsp = &persistent_ts; + cycles_t last_cycles; + unsigned long flags; + + spin_lock_irqsave(&read_persistent_clock_lock, flags); last_cycles = cycles; cycles = sync32k_cnt_reg ? __raw_readl(sync32k_cnt_reg) : 0; - delta = cycles - last_cycles; - nsecs = clocksource_cyc2ns(delta, persistent_mult, persistent_shift); + nsecs = clocksource_cyc2ns(cycles - last_cycles, + persistent_mult, persistent_shift); + + timespec_add_ns(&persistent_ts, nsecs); + + *ts = persistent_ts; - timespec_add_ns(tsp, nsecs); - *ts = *tsp; + spin_unlock_irqrestore(&read_persistent_clock_lock, flags); } /** diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c index 6013831..a5683a8 100644 --- a/arch/arm/plat-omap/i2c.c +++ b/arch/arm/plat-omap/i2c.c @@ -26,14 +26,12 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/i2c.h> -#include <linux/i2c-omap.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/clk.h> #include <mach/irqs.h> #include <plat/i2c.h> -#include <plat/omap-pm.h> #include <plat/omap_device.h> #define OMAP_I2C_SIZE 0x3f @@ -129,16 +127,6 @@ static inline int omap1_i2c_add_bus(int bus_id) #ifdef CONFIG_ARCH_OMAP2PLUS -/* - * XXX This function is a temporary compatibility wrapper - only - * needed until the I2C driver can be converted to call - * omap_pm_set_max_dev_wakeup_lat() and handle a return code. - */ -static void omap_pm_set_max_mpu_wakeup_lat_compat(struct device *dev, long t) -{ - omap_pm_set_max_mpu_wakeup_lat(dev, t); -} - static inline int omap2_i2c_add_bus(int bus_id) { int l; @@ -170,15 +158,6 @@ static inline int omap2_i2c_add_bus(int bus_id) dev_attr = (struct omap_i2c_dev_attr *)oh->dev_attr; pdata->flags = dev_attr->flags; - /* - * When waiting for completion of a i2c transfer, we need to - * set a wake up latency constraint for the MPU. This is to - * ensure quick enough wakeup from idle, when transfer - * completes. - * Only omap3 has support for constraints - */ - if (cpu_is_omap34xx()) - pdata->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat_compat; pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(struct omap_i2c_bus_platform_data), NULL, 0, 0); diff --git a/arch/arm/plat-omap/omap-pm-noop.c b/arch/arm/plat-omap/omap-pm-noop.c index 9f64133..9722f41 100644 --- a/arch/arm/plat-omap/omap-pm-noop.c +++ b/arch/arm/plat-omap/omap-pm-noop.c @@ -38,7 +38,7 @@ int omap_pm_set_max_mpu_wakeup_lat(struct device *dev, long t) if (!dev || t < -1) { WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__); return -EINVAL; - }; + } if (t == -1) pr_debug("OMAP PM: remove max MPU wakeup latency constraint: dev %s\n", @@ -67,7 +67,7 @@ int omap_pm_set_min_bus_tput(struct device *dev, u8 agent_id, unsigned long r) agent_id != OCP_TARGET_AGENT)) { WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__); return -EINVAL; - }; + } if (r == 0) pr_debug("OMAP PM: remove min bus tput constraint: dev %s for agent_id %d\n", @@ -93,7 +93,7 @@ int omap_pm_set_max_dev_wakeup_lat(struct device *req_dev, struct device *dev, if (!req_dev || !dev || t < -1) { WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__); return -EINVAL; - }; + } if (t == -1) pr_debug("OMAP PM: remove max device latency constraint: dev %s\n", @@ -123,7 +123,7 @@ int omap_pm_set_max_sdma_lat(struct device *dev, long t) if (!dev || t < -1) { WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__); return -EINVAL; - }; + } if (t == -1) pr_debug("OMAP PM: remove max DMA latency constraint: dev %s\n", diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index cee85a5..7a7d1f2 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -725,7 +725,7 @@ struct platform_device __init *omap_device_build_ss(const char *pdev_name, int p dev_set_name(&pdev->dev, "%s", pdev->name); od = omap_device_alloc(pdev, ohs, oh_cnt, pm_lats, pm_lats_cnt); - if (!od) + if (IS_ERR(od)) goto odbs_exit1; ret = platform_device_add_data(pdev, pdata, pdata_len); |