diff options
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/clock.c | 12 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/flash.h | 1 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/gpio.h | 20 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/iovmm.h | 3 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/mmc.h | 3 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/omap_device.h | 9 | ||||
| -rw-r--r-- | arch/arm/plat-omap/iovmm.c | 4 | ||||
| -rw-r--r-- | arch/arm/plat-omap/omap_device.c | 70 | ||||
| -rw-r--r-- | arch/arm/plat-omap/sram.c | 12 |
9 files changed, 106 insertions, 28 deletions
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index c9122dd6ee8d..964704f40bbe 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -480,13 +480,10 @@ static struct dentry *clk_debugfs_root; static int clk_debugfs_register_one(struct clk *c) { int err; - struct dentry *d, *child, *child_tmp; + struct dentry *d; struct clk *pa = c->parent; - char s[255]; - char *p = s; - p += sprintf(p, "%s", c->name); - d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root); + d = debugfs_create_dir(c->name, pa ? pa->dent : clk_debugfs_root); if (!d) return -ENOMEM; c->dent = d; @@ -509,10 +506,7 @@ static int clk_debugfs_register_one(struct clk *c) return 0; err_out: - d = c->dent; - list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child) - debugfs_remove(child); - debugfs_remove(c->dent); + debugfs_remove_recursive(c->dent); return err; } diff --git a/arch/arm/plat-omap/include/plat/flash.h b/arch/arm/plat-omap/include/plat/flash.h index 3083195123ea..0d88499b79e9 100644 --- a/arch/arm/plat-omap/include/plat/flash.h +++ b/arch/arm/plat-omap/include/plat/flash.h @@ -11,6 +11,7 @@ #include <linux/mtd/map.h> +struct platform_device; extern void omap1_set_vpp(struct platform_device *pdev, int enable); #endif diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h index ec97e00cb581..91e8de3db085 100644 --- a/arch/arm/plat-omap/include/plat/gpio.h +++ b/arch/arm/plat-omap/include/plat/gpio.h @@ -174,12 +174,32 @@ struct omap_gpio_dev_attr { bool dbck_flag; /* dbck required or not - True for OMAP3&4 */ }; +struct omap_gpio_reg_offs { + u16 revision; + u16 direction; + u16 datain; + u16 dataout; + u16 set_dataout; + u16 clr_dataout; + u16 irqstatus; + u16 irqstatus2; + u16 irqenable; + u16 set_irqenable; + u16 clr_irqenable; + u16 debounce; + u16 debounce_en; + + bool irqenable_inv; +}; + struct omap_gpio_platform_data { u16 virtual_irq_start; int bank_type; int bank_width; /* GPIO bank width */ int bank_stride; /* Only needed for omap1 MPUIO */ bool dbck_flag; /* dbck required or not - True for OMAP3&4 */ + + struct omap_gpio_reg_offs *regs; }; /* TODO: Analyze removing gpio_bank_count usage from driver code */ diff --git a/arch/arm/plat-omap/include/plat/iovmm.h b/arch/arm/plat-omap/include/plat/iovmm.h index 32a2f6c4d39e..e992b9655fbc 100644 --- a/arch/arm/plat-omap/include/plat/iovmm.h +++ b/arch/arm/plat-omap/include/plat/iovmm.h @@ -29,9 +29,6 @@ struct iovm_struct { * lower 16 bit is used for h/w and upper 16 bit is for s/w. */ #define IOVMF_SW_SHIFT 16 -#define IOVMF_HW_SIZE (1 << IOVMF_SW_SHIFT) -#define IOVMF_HW_MASK (IOVMF_HW_SIZE - 1) -#define IOVMF_SW_MASK (~IOVMF_HW_MASK)UL /* * iovma: h/w flags derived from cam and ram attribute diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h index f38fef9f1310..c7b874186c27 100644 --- a/arch/arm/plat-omap/include/plat/mmc.h +++ b/arch/arm/plat-omap/include/plat/mmc.h @@ -101,6 +101,9 @@ struct omap_mmc_platform_data { /* If using power_saving and the MMC power is not to go off */ unsigned no_off:1; + /* eMMC does not handle power off when not in sleep state */ + unsigned no_regulator_off_init:1; + /* Regulator off remapped to sleep */ unsigned vcc_aux_disable_is_sleep:1; diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h index e4c349ff9fd8..ee405b36df4b 100644 --- a/arch/arm/plat-omap/include/plat/omap_device.h +++ b/arch/arm/plat-omap/include/plat/omap_device.h @@ -44,6 +44,10 @@ extern struct device omap_device_parent; #define OMAP_DEVICE_STATE_IDLE 2 #define OMAP_DEVICE_STATE_SHUTDOWN 3 +/* omap_device.flags values */ +#define OMAP_DEVICE_SUSPENDED BIT(0) +#define OMAP_DEVICE_NO_IDLE_ON_SUSPEND BIT(1) + /** * struct omap_device - omap_device wrapper for platform_devices * @pdev: platform_device @@ -73,6 +77,7 @@ struct omap_device { s8 pm_lat_level; u8 hwmods_cnt; u8 _state; + u8 flags; }; /* Device driver interface (call via platform_data fn ptrs) */ @@ -117,6 +122,10 @@ int omap_device_enable_hwmods(struct omap_device *od); int omap_device_disable_clocks(struct omap_device *od); int omap_device_enable_clocks(struct omap_device *od); +static inline void omap_device_disable_idle_on_suspend(struct omap_device *od) +{ + od->flags |= OMAP_DEVICE_NO_IDLE_ON_SUSPEND; +} /* * Entries should be kept in latency order ascending diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c index 51ef43e8def6..83a37c54342f 100644 --- a/arch/arm/plat-omap/iovmm.c +++ b/arch/arm/plat-omap/iovmm.c @@ -648,7 +648,6 @@ u32 iommu_vmap(struct iommu *obj, u32 da, const struct sg_table *sgt, return PTR_ERR(va); } - flags &= IOVMF_HW_MASK; flags |= IOVMF_DISCONT; flags |= IOVMF_MMIO; @@ -706,7 +705,6 @@ u32 iommu_vmalloc(struct iommu *obj, u32 da, size_t bytes, u32 flags) if (!va) return -ENOMEM; - flags &= IOVMF_HW_MASK; flags |= IOVMF_DISCONT; flags |= IOVMF_ALLOC; @@ -795,7 +793,6 @@ u32 iommu_kmap(struct iommu *obj, u32 da, u32 pa, size_t bytes, if (!va) return -ENOMEM; - flags &= IOVMF_HW_MASK; flags |= IOVMF_LINEAR; flags |= IOVMF_MMIO; @@ -853,7 +850,6 @@ u32 iommu_kmalloc(struct iommu *obj, u32 da, size_t bytes, u32 flags) return -ENOMEM; pa = virt_to_phys(va); - flags &= IOVMF_HW_MASK; flags |= IOVMF_LINEAR; flags |= IOVMF_ALLOC; diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index a37b8eb65b76..2526fa312b8a 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -84,6 +84,7 @@ #include <linux/io.h> #include <linux/clk.h> #include <linux/clkdev.h> +#include <linux/pm_runtime.h> #include <plat/omap_device.h> #include <plat/omap_hwmod.h> @@ -536,25 +537,82 @@ int omap_early_device_register(struct omap_device *od) return 0; } +#ifdef CONFIG_PM_RUNTIME static int _od_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); + int ret; + + ret = pm_generic_runtime_suspend(dev); - return omap_device_idle(pdev); + if (!ret) + omap_device_idle(pdev); + + return ret; +} + +static int _od_runtime_idle(struct device *dev) +{ + return pm_generic_runtime_idle(dev); } static int _od_runtime_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); - return omap_device_enable(pdev); + omap_device_enable(pdev); + + return pm_generic_runtime_resume(dev); +} +#endif + +#ifdef CONFIG_SUSPEND +static int _od_suspend_noirq(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct omap_device *od = to_omap_device(pdev); + int ret; + + if (od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND) + return pm_generic_suspend_noirq(dev); + + ret = pm_generic_suspend_noirq(dev); + + if (!ret && !pm_runtime_status_suspended(dev)) { + if (pm_generic_runtime_suspend(dev) == 0) { + omap_device_idle(pdev); + od->flags |= OMAP_DEVICE_SUSPENDED; + } + } + + return ret; +} + +static int _od_resume_noirq(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct omap_device *od = to_omap_device(pdev); + + if (od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND) + return pm_generic_resume_noirq(dev); + + if ((od->flags & OMAP_DEVICE_SUSPENDED) && + !pm_runtime_status_suspended(dev)) { + od->flags &= ~OMAP_DEVICE_SUSPENDED; + omap_device_enable(pdev); + pm_generic_runtime_resume(dev); + } + + return pm_generic_resume_noirq(dev); } +#endif -static struct dev_power_domain omap_device_power_domain = { +static struct dev_pm_domain omap_device_pm_domain = { .ops = { - .runtime_suspend = _od_runtime_suspend, - .runtime_resume = _od_runtime_resume, + SET_RUNTIME_PM_OPS(_od_runtime_suspend, _od_runtime_resume, + _od_runtime_idle) USE_PLATFORM_PM_SLEEP_OPS + SET_SYSTEM_SLEEP_PM_OPS(_od_suspend_noirq, _od_resume_noirq) } }; @@ -571,7 +629,7 @@ int omap_device_register(struct omap_device *od) pr_debug("omap_device: %s: registering\n", od->pdev.name); od->pdev.dev.parent = &omap_device_parent; - od->pdev.dev.pwr_domain = &omap_device_power_domain; + od->pdev.dev.pm_domain = &omap_device_pm_domain; return platform_device_register(&od->pdev); } diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index a3f50b34a90d..6af3d0b1f8d0 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -166,7 +166,7 @@ static void __init omap_detect_sram(void) else if (cpu_is_omap1611()) omap_sram_size = SZ_256K; else { - printk(KERN_ERR "Could not detect SRAM size\n"); + pr_err("Could not detect SRAM size\n"); omap_sram_size = 0x4000; } } @@ -221,10 +221,10 @@ static void __init omap_map_sram(void) omap_sram_io_desc[0].length = ROUND_DOWN(omap_sram_size, PAGE_SIZE); iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc)); - printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n", - __pfn_to_phys(omap_sram_io_desc[0].pfn), - omap_sram_io_desc[0].virtual, - omap_sram_io_desc[0].length); + pr_info("SRAM: Mapped pa 0x%08llx to va 0x%08lx size: 0x%lx\n", + (long long) __pfn_to_phys(omap_sram_io_desc[0].pfn), + omap_sram_io_desc[0].virtual, + omap_sram_io_desc[0].length); /* * Normally devicemaps_init() would flush caches and tlb after @@ -252,7 +252,7 @@ static void __init omap_map_sram(void) void *omap_sram_push_address(unsigned long size) { if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) { - printk(KERN_ERR "Not enough space in SRAM\n"); + pr_err("Not enough space in SRAM\n"); return NULL; } |