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| author | Kamal Dasu <kdasu.kdev@gmail.com> | 2018-04-26 21:48:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-22 17:57:56 +0300 |
| commit | ad04996f0bb0a2bfc8468c04dacc40aed76de8ae (patch) | |
| tree | 232dc0059ff518ca692bea0c4939a6d094a2377b /drivers/spi | |
| parent | 1c384327383de13223186ec138c57cb49fa1efea (diff) | |
| download | linux-ad04996f0bb0a2bfc8468c04dacc40aed76de8ae.tar.xz | |
spi: bcm-qspi: Always read and set BSPI_MAST_N_BOOT_CTRL
commit 602805fb618b018b7a41fbb3f93c1992b078b1ae upstream.
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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 77966e291ae6..adc3f56d4773 100644 --- a/drivers/spi/spi-bcm-qspi.c +++ b/drivers/spi/spi-bcm-qspi.c @@ -514,7 +514,7 @@ static int bcm_qspi_bspi_set_mode(struct bcm_qspi *qspi, static void bcm_qspi_enable_bspi(struct bcm_qspi *qspi) { - if (!has_bspi(qspi) || (qspi->bspi_enabled)) + if (!has_bspi(qspi)) return; qspi->bspi_enabled = 1; @@ -529,7 +529,7 @@ static void bcm_qspi_enable_bspi(struct bcm_qspi *qspi) static void bcm_qspi_disable_bspi(struct bcm_qspi *qspi) { - if (!has_bspi(qspi) || (!qspi->bspi_enabled)) + if (!has_bspi(qspi)) return; qspi->bspi_enabled = 0; |