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author | David S. Miller <davem@davemloft.net> | 2016-11-15 10:54:36 -0500 |
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committer | David S. Miller <davem@davemloft.net> | 2016-11-15 10:54:36 -0500 |
commit | bb598c1b8c9bf56981927dcb8c0dc34b8ff95342 (patch) | |
tree | 69fe6d3bcdbf0acb76e42b144d8af5a0234ccdcb /drivers/spi/spi-fsl-dspi.c | |
parent | eb2ca35f1814dad3ca547261eedfbbd0d65a0efc (diff) | |
parent | e76d21c40bd6c67fd4e2c1540d77e113df962b4d (diff) | |
download | linux-bb598c1b8c9bf56981927dcb8c0dc34b8ff95342.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several cases of bug fixes in 'net' overlapping other changes in
'net-next-.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
-rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 35c0dd945668..a67b0ff6a362 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -70,6 +70,7 @@ #define SPI_SR 0x2c #define SPI_SR_EOQF 0x10000000 #define SPI_SR_TCFQF 0x80000000 +#define SPI_SR_CLEAR 0xdaad0000 #define SPI_RSER 0x30 #define SPI_RSER_EOQFE 0x10000000 @@ -646,6 +647,11 @@ static const struct regmap_config dspi_regmap_config = { .max_register = 0x88, }; +static void dspi_init(struct fsl_dspi *dspi) +{ + regmap_write(dspi->regmap, SPI_SR, SPI_SR_CLEAR); +} + static int dspi_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -709,6 +715,7 @@ static int dspi_probe(struct platform_device *pdev) return PTR_ERR(dspi->regmap); } + dspi_init(dspi); dspi->irq = platform_get_irq(pdev, 0); if (dspi->irq < 0) { dev_err(&pdev->dev, "can't get platform irq\n"); |