From d2bdc492916046da4abe07ec2373bd962f2224e9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= Date: Tue, 11 Feb 2020 11:35:04 +0100 Subject: staging: wfx: use more power-efficient sleep for reset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Replace udelay() with usleep_range() as all uses are in a sleepable context. Signed-off-by: Michał Mirosław Link: https://lore.kernel.org/r/59e1e4e5bd80c1879ef36eaa59916e47005dbb04.1581416843.git.mirq-linux@rere.qmqm.pl Signed-off-by: Greg Kroah-Hartman --- drivers/staging/wfx/bus_spi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/staging/wfx/bus_spi.c') diff --git a/drivers/staging/wfx/bus_spi.c b/drivers/staging/wfx/bus_spi.c index e3cd12592662..61e99b09decb 100644 --- a/drivers/staging/wfx/bus_spi.c +++ b/drivers/staging/wfx/bus_spi.c @@ -211,9 +211,9 @@ static int wfx_spi_probe(struct spi_device *func) if (spi_get_device_id(func)->driver_data & WFX_RESET_INVERTED) gpiod_toggle_active_low(bus->gpio_reset); gpiod_set_value_cansleep(bus->gpio_reset, 1); - udelay(100); + usleep_range(100, 150); gpiod_set_value_cansleep(bus->gpio_reset, 0); - udelay(2000); + usleep_range(2000, 2500); } INIT_WORK(&bus->request_rx, wfx_spi_request_rx); -- cgit v1.2.3