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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-21 13:51:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-21 13:51:36 +0200 |
| commit | 467e050e9760fc31dcf854ec88401e18419f5f78 (patch) | |
| tree | 8ac99bec5739b93f9655d4020f2c46ed9c62ec73 /drivers | |
| parent | 23469de647c4c7b68b5d135927b1c509f0e757e6 (diff) | |
| parent | 31d86033a0749a0463ea654130b2de5c163154f1 (diff) | |
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Wolfram writes:
"i2c for 4.19
Another driver bugfix and MAINTAINERS addition from I2C."
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: rcar: cleanup DMA for all kinds of failure
MAINTAINERS: Add entry for Broadcom STB I2C controller
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/busses/i2c-rcar.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 52cf42b32f0a..4aa7dde876f3 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -806,8 +806,12 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, time_left = wait_event_timeout(priv->wait, priv->flags & ID_DONE, num * adap->timeout); - if (!time_left) { + + /* cleanup DMA if it couldn't complete properly due to an error */ + if (priv->dma_direction != DMA_NONE) rcar_i2c_cleanup_dma(priv); + + if (!time_left) { rcar_i2c_init(priv); ret = -ETIMEDOUT; } else if (priv->flags & ID_NACK) { |