diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-05-22 10:28:56 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-05-22 10:28:56 +0200 |
| commit | 65c2ce70046c779974af8b5dfc25a0df489089b5 (patch) | |
| tree | b16f152eb62b71cf5a1edc51da865b357c989922 /drivers/power/reset/vexpress-poweroff.c | |
| parent | 842514849a616e9b61acad65771c7afe01e651f9 (diff) | |
| parent | 4b660a7f5c8099d88d1a43d8ae138965112592c7 (diff) | |
Merge tag 'v3.15-rc6' into sched/core, to pick up the latest fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/power/reset/vexpress-poweroff.c')
| -rw-r--r-- | drivers/power/reset/vexpress-poweroff.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/power/reset/vexpress-poweroff.c b/drivers/power/reset/vexpress-poweroff.c index 476aa495c110..b95cf71ed695 100644 --- a/drivers/power/reset/vexpress-poweroff.c +++ b/drivers/power/reset/vexpress-poweroff.c @@ -11,7 +11,7 @@ * Copyright (C) 2012 ARM Limited */ -#include <linux/jiffies.h> +#include <linux/delay.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/platform_device.h> @@ -23,17 +23,12 @@ static void vexpress_reset_do(struct device *dev, const char *what) { int err = -ENOENT; - struct vexpress_config_func *func = - vexpress_config_func_get_by_dev(dev); + struct vexpress_config_func *func = dev_get_drvdata(dev); if (func) { - unsigned long timeout; - err = vexpress_config_write(func, 0, 0); - - timeout = jiffies + HZ; - while (time_before(jiffies, timeout)) - cpu_relax(); + if (!err) + mdelay(1000); } dev_emerg(dev, "Unable to %s (%d)\n", what, err); @@ -96,12 +91,18 @@ static int vexpress_reset_probe(struct platform_device *pdev) enum vexpress_reset_func func; const struct of_device_id *match = of_match_device(vexpress_reset_of_match, &pdev->dev); + struct vexpress_config_func *config_func; if (match) func = (enum vexpress_reset_func)match->data; else func = pdev->id_entry->driver_data; + config_func = vexpress_config_func_get_by_dev(&pdev->dev); + if (!config_func) + return -EINVAL; + dev_set_drvdata(&pdev->dev, config_func); + switch (func) { case FUNC_SHUTDOWN: vexpress_power_off_device = &pdev->dev; |