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authorPaul Mackerras <paulus@samba.org>2008-01-24 10:07:21 +1100
committerPaul Mackerras <paulus@samba.org>2008-01-24 10:07:21 +1100
commit9156ad48338e0306e508ead5c0d9986050744475 (patch)
tree37f3a90e38190052ecf3cdf9171dfdddd37b56fd /drivers/spi/spi_bitbang.c
parentfa28237cfcc5827553044cbd6ee52e33692b0faa (diff)
parent8f7b3d156d348b6766833cd4e272d0d19b501e64 (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/spi/spi_bitbang.c')
-rw-r--r--drivers/spi/spi_bitbang.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c
index 81639c6be1c..f7f8580edad 100644
--- a/drivers/spi/spi_bitbang.c
+++ b/drivers/spi/spi_bitbang.c
@@ -184,6 +184,7 @@ int spi_bitbang_setup(struct spi_device *spi)
struct spi_bitbang_cs *cs = spi->controller_state;
struct spi_bitbang *bitbang;
int retval;
+ unsigned long flags;
bitbang = spi_master_get_devdata(spi->master);
@@ -222,12 +223,12 @@ int spi_bitbang_setup(struct spi_device *spi)
*/
/* deselect chip (low or high) */
- spin_lock(&bitbang->lock);
+ spin_lock_irqsave(&bitbang->lock, flags);
if (!bitbang->busy) {
bitbang->chipselect(spi, BITBANG_CS_INACTIVE);
ndelay(cs->nsecs);
}
- spin_unlock(&bitbang->lock);
+ spin_unlock_irqrestore(&bitbang->lock, flags);
return 0;
}