bitbang->lock is now a mutex: replace spinlock function calls
by mutex functions.
Signed-off-by: Nicolas Boichat <drink...@chromium.org>
---
drivers/spi/spi-s3c24xx.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/spi/spi-s3c24xx.c b/drivers/spi/spi-s3c24xx.c
index f36bc32..b1d03e5 100644
--- a/drivers/spi/spi-s3c24xx.c
+++ b/drivers/spi/spi-s3c24xx.c
@@ -198,12 +198,11 @@ static int s3c24xx_spi_setup(struct spi_device *spi)
if (ret)
return ret;
- spin_lock(&hw->bitbang.lock);
- if (!hw->bitbang.busy) {
+ if (mutex_trylock(&hw->bitbang.lock)) {
hw->bitbang.chipselect(spi, BITBANG_CS_INACTIVE);
/* need to ndelay for 0.5 clocktick ? */
+ mutex_unlock(&hw->bitbang.lock);
}
- spin_unlock(&hw->bitbang.lock);
return 0;
}
--
2.5.0.rc2.392.g76e840b
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