diff options
| author | Alexander Sverdlin <alexander.sverdlin@nokia.com> | 2015-02-27 16:30:07 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-03-06 19:45:20 +0000 |
| commit | 85fa4e1f094183d230c47fa1e83373f692dc05ec (patch) | |
| tree | 4ccb6224fa94701c832c4ccafead7e8359c9bad1 /drivers | |
| parent | 45b064d73d6a5cfcfa76012b91e2afc98e341664 (diff) | |
| download | linux-85fa4e1f094183d230c47fa1e83373f692dc05ec.tar.gz linux-85fa4e1f094183d230c47fa1e83373f692dc05ec.tar.bz2 linux-85fa4e1f094183d230c47fa1e83373f692dc05ec.zip | |
spi: pl022: Don't touch unspecified bits in interrupt mask
PL022 Programmers model explicitely states "do not modify undefined register
bits". Correct the "all enable" interrupt mask so that it only enables defined
ones.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/spi-pl022.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 4381fcf2389c..a45406aa2b14 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -285,7 +285,12 @@ */ #define DEFAULT_SSP_REG_IMSC 0x0UL #define DISABLE_ALL_INTERRUPTS DEFAULT_SSP_REG_IMSC -#define ENABLE_ALL_INTERRUPTS (~DEFAULT_SSP_REG_IMSC) +#define ENABLE_ALL_INTERRUPTS ( \ + SSP_IMSC_MASK_RORIM | \ + SSP_IMSC_MASK_RTIM | \ + SSP_IMSC_MASK_RXIM | \ + SSP_IMSC_MASK_TXIM \ +) #define CLEAR_ALL_INTERRUPTS 0x3 |