diff options
author | Kamal Dasu <kdasu.kdev@gmail.com> | 2018-04-26 14:48:01 -0400 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2018-05-01 16:58:45 -0400 |
commit | 602805fb618b018b7a41fbb3f93c1992b078b1ae (patch) | |
tree | 5d93dad04c73915d856f1664c380fe0d9406a360 /drivers/spi | |
parent | 5eb9a07a4ae1008b67d8bcd47bddb3dae97456b7 (diff) |
spi: bcm-qspi: Always read and set BSPI_MAST_N_BOOT_CTRL
Always confirm the BSPI_MAST_N_BOOT_CTRL bit when enabling
or disabling BSPI transfers.
Fixes: 4e3b2d236fe00 ("spi: bcm-qspi: Add BSPI spi-nor flash controller driver")
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/spi')
-rw-r--r-- | drivers/spi/spi-bcm-qspi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c index 2946989c61a2..6573152ce893 100644 --- a/drivers/spi/spi-bcm-qspi.c +++ b/drivers/spi/spi-bcm-qspi.c | |||
@@ -490,7 +490,7 @@ static int bcm_qspi_bspi_set_mode(struct bcm_qspi *qspi, | |||
490 | 490 | ||
491 | static void bcm_qspi_enable_bspi(struct bcm_qspi *qspi) | 491 | static void bcm_qspi_enable_bspi(struct bcm_qspi *qspi) |
492 | { | 492 | { |
493 | if (!has_bspi(qspi) || (qspi->bspi_enabled)) | 493 | if (!has_bspi(qspi)) |
494 | return; | 494 | return; |
495 | 495 | ||
496 | qspi->bspi_enabled = 1; | 496 | qspi->bspi_enabled = 1; |
@@ -505,7 +505,7 @@ static void bcm_qspi_enable_bspi(struct bcm_qspi *qspi) | |||
505 | 505 | ||
506 | static void bcm_qspi_disable_bspi(struct bcm_qspi *qspi) | 506 | static void bcm_qspi_disable_bspi(struct bcm_qspi *qspi) |
507 | { | 507 | { |
508 | if (!has_bspi(qspi) || (!qspi->bspi_enabled)) | 508 | if (!has_bspi(qspi)) |
509 | return; | 509 | return; |
510 | 510 | ||
511 | qspi->bspi_enabled = 0; | 511 | qspi->bspi_enabled = 0; |