Messages in this thread Patch in this message | | | From | Mark Brown <> | Subject | [PATCH 2/3] mfd: arizona: Wait for internal clocks to startup after reset | Date | Wed, 3 Apr 2013 19:05:20 +0100 |
| |
From: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> --- drivers/mfd/arizona-core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index e4c8dc2..69e9796 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -519,8 +519,10 @@ int arizona_dev_init(struct arizona *arizona) goto err_enable; } - if (arizona->pdata.reset) + if (arizona->pdata.reset) { gpio_set_value_cansleep(arizona->pdata.reset, 1); + msleep(1); + } regcache_cache_only(arizona->regmap, false); @@ -579,6 +581,8 @@ int arizona_dev_init(struct arizona *arizona) goto err_reset; } + msleep(1); + ret = regcache_sync(arizona->regmap); if (ret != 0) { dev_err(dev, "Failed to sync device: %d\n", ret); -- 1.7.10.4
| |