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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-16 01:36:45 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-16 01:36:45 (GMT) |
commit | 7051d8e6308640aaee2f9d45d0ceaad3a4ee8a78 (patch) | |
tree | b3d15e9232ca6956e255c7e1dd7c3276903440f0 /drivers/power/reset/brcmstb-reboot.c | |
parent | d3255ec483ca048192f6e8a8789e08e32b379b84 (diff) | |
parent | b81180b3fd4814af0459a5b6aeb1ee188fea98dc (diff) | |
download | linux-7051d8e6308640aaee2f9d45d0ceaad3a4ee8a78.tar.xz |
Merge tag 'for-v3.19' of git://git.infradead.org/battery-2.6
Pull power supply updates from Sebastian Reichel::
"Power supply and reset changes for the v3.19 series
- update power/reset drivers to use kernel restart handler
- add power off driver for i.mx6
- add DT support for gpio-charger"
* tag 'for-v3.19' of git://git.infradead.org/battery-2.6:
power: reset: adjust priority of simple syscon reboot driver
power: ds2782_battery: Simplify the PM hooks
power/reset: brcmstb: Register with kernel restart handler
power/reset: hisi: Register with kernel restart handler
power/reset: keystone: Register with kernel restart handler
power/reset: axxia: Register with kernel restart handler
power/reset: xgene: Register with kernel restart handler
power/reset: xgene: Use mdelay instead of jiffies based timeout
power/reset: xgene: Use local variable dev instead of pdev->dev
power/reset: xgene: Drop devm_kfree
power/reset: xgene: Return -ENOMEM if out of memory
power/reset: vexpress: Register with kernel restart handler
power: reset: imx-snvs-poweroff: add power off driver for i.mx6
power: gpio-charger: add device tree support
dt-bindings: document gpio-charger bindings
Diffstat (limited to 'drivers/power/reset/brcmstb-reboot.c')
-rw-r--r-- | drivers/power/reset/brcmstb-reboot.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/power/reset/brcmstb-reboot.c b/drivers/power/reset/brcmstb-reboot.c index c523ea7a..100606f 100644 --- a/drivers/power/reset/brcmstb-reboot.c +++ b/drivers/power/reset/brcmstb-reboot.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/io.h> #include <linux/jiffies.h> +#include <linux/notifier.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_platform.h> @@ -26,8 +27,6 @@ #include <linux/smp.h> #include <linux/mfd/syscon.h> -#include <asm/system_misc.h> - #define RESET_SOURCE_ENABLE_REG 1 #define SW_MASTER_RESET_REG 2 @@ -35,7 +34,8 @@ static struct regmap *regmap; static u32 rst_src_en; static u32 sw_mstr_rst; -static void brcmstb_reboot(enum reboot_mode mode, const char *cmd) +static int brcmstb_restart_handler(struct notifier_block *this, + unsigned long mode, void *cmd) { int rc; u32 tmp; @@ -43,31 +43,38 @@ static void brcmstb_reboot(enum reboot_mode mode, const char *cmd) rc = regmap_write(regmap, rst_src_en, 1); if (rc) { pr_err("failed to write rst_src_en (%d)\n", rc); - return; + return NOTIFY_DONE; } rc = regmap_read(regmap, rst_src_en, &tmp); if (rc) { pr_err("failed to read rst_src_en (%d)\n", rc); - return; + return NOTIFY_DONE; } rc = regmap_write(regmap, sw_mstr_rst, 1); if (rc) { pr_err("failed to write sw_mstr_rst (%d)\n", rc); - return; + return NOTIFY_DONE; } rc = regmap_read(regmap, sw_mstr_rst, &tmp); if (rc) { pr_err("failed to read sw_mstr_rst (%d)\n", rc); - return; + return NOTIFY_DONE; } while (1) ; + + return NOTIFY_DONE; } +static struct notifier_block brcmstb_restart_nb = { + .notifier_call = brcmstb_restart_handler, + .priority = 128, +}; + static int brcmstb_reboot_probe(struct platform_device *pdev) { int rc; @@ -93,9 +100,12 @@ static int brcmstb_reboot_probe(struct platform_device *pdev) return -EINVAL; } - arm_pm_restart = brcmstb_reboot; + rc = register_restart_handler(&brcmstb_restart_nb); + if (rc) + dev_err(&pdev->dev, + "cannot register restart handler (err=%d)\n", rc); - return 0; + return rc; } static const struct of_device_id of_match[] = { |