diff options
| author | Qipan Li <Qipan.Li@csr.com> | 2014-04-14 14:29:57 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-04-14 21:01:50 +0100 |
| commit | 818e91625aa17161cd6b39a4d08b77c984f0f485 (patch) | |
| tree | 1b3d7352466b01abdc09c7581ddcec19507237ce /drivers/spi/spi-sirf.c | |
| parent | c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff) | |
| download | op-kernel-dev-818e91625aa17161cd6b39a4d08b77c984f0f485.zip op-kernel-dev-818e91625aa17161cd6b39a4d08b77c984f0f485.tar.gz | |
spi: sirf: correct TXFIFO empty interrupt status bit
the old code uses wrong marco - SIRFSOC_SPI_FIFO_FULL is not for
FIFO interrupt status, it is for FIFO status. here in the ISR,
SIRFSOC_SPI_TXFIFO_EMPTY is the right bit for SPI TXFIFO interrupt
status.
Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-sirf.c')
| -rw-r--r-- | drivers/spi/spi-sirf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c index 1a77ad5..51d7c98 100644 --- a/drivers/spi/spi-sirf.c +++ b/drivers/spi/spi-sirf.c @@ -287,8 +287,8 @@ static irqreturn_t spi_sirfsoc_irq(int irq, void *dev_id) sspi->left_rx_word) sspi->rx_word(sspi); - if (spi_stat & (SIRFSOC_SPI_FIFO_EMPTY - | SIRFSOC_SPI_TXFIFO_THD_REACH)) + if (spi_stat & (SIRFSOC_SPI_TXFIFO_EMPTY | + SIRFSOC_SPI_TXFIFO_THD_REACH)) while (!((readl(sspi->base + SIRFSOC_SPI_TXFIFO_STATUS) & SIRFSOC_SPI_FIFO_FULL)) && sspi->left_tx_word) |
