diff options
| author | Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> | 2010-12-22 14:52:44 +0530 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 10:59:57 +0200 |
| commit | afa646b3ba6bfc5ab4a507e1ee7854184b310b17 (patch) | |
| tree | 2e390ee357533dc258661f5bbbead8f074d9da52 /drivers/spi | |
| parent | 14edacde3cb93e98147ddaef7f3905e4d38a50e6 (diff) | |
amba-pl022: Clear SSE once the transfer is completed
Clear SSE after the xfer completion and remove the not needed
default register restoration in suspend.
ST-Ericsson ID: ER 316546
Change-Id: I73368e18bd55abdff6b1909239bcf5b64583b452
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
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); } /** |