From 031e71fa6404b32f22b5cbb76f3db1e3295bf422 Mon Sep 17 00:00:00 2001 From: Zheng Yang Date: Thu, 4 Jun 2015 16:10:44 +0800 Subject: [PATCH] rk1000: shorter reset delay time. Signed-off-by: Zheng Yang --- drivers/mfd/rk1000-core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/rk1000-core.c b/drivers/mfd/rk1000-core.c index 1aa3d2ce5b9e..36ad89fc6280 100755 --- a/drivers/mfd/rk1000-core.c +++ b/drivers/mfd/rk1000-core.c @@ -227,11 +227,9 @@ static int rk1000_probe(struct i2c_client *client, goto err; } rk1000->io_reset.active = !(flags & OF_GPIO_ACTIVE_LOW); - - gpio_direction_output(rk1000->io_reset.gpio, !(rk1000->io_reset.active)); - msleep(20); + usleep_range(500, 1000); /********Get power pin***********/ rk1000->io_power.gpio = of_get_named_gpio_flags(rk1000_np, "gpio-power", @@ -252,7 +250,7 @@ static int rk1000_probe(struct i2c_client *client, /********rk1000 reset***********/ gpio_set_value(rk1000->io_reset.gpio, rk1000->io_reset.active); - msleep(100); + usleep_range(5000, 10000); gpio_set_value(rk1000->io_reset.gpio, !(rk1000->io_reset.active)); } -- 2.34.1