diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-pl022.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 97351afc7c8..8bf53a76a33 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -489,6 +489,13 @@ static void giveback(struct pl022 *pl022) pl022->cur_transfer = NULL; pl022->cur_chip = NULL; spi_finalize_current_message(pl022->master); + + /* disable the SPI/SSP operation */ + writew((readw(SSP_CR1(pl022->virtbase)) & + (~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase)); + + /* This message is completed, so let's turn off the clocks & power */ + pm_runtime_put(&pl022->adev->dev); } /** |