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authorNicholas Mc Guire <hofrat@osadl.org>2015-02-05 10:03:42 -0500
committerMark Brown <broonie@kernel.org>2015-02-05 18:04:03 +0000
commit060556a9bd7ac8d819c7321a3e7f73bfa1276f1d (patch)
treec41d6725e8eb9ad018ef039e13e7e911e06c477d /drivers/spi/spi-ti-qspi.c
parent97bf6af1f928216fd6c5a66e8a57bfa95a659672 (diff)
spi: ti-qspi: cleanup wait_for_completion return handling
return type of wait_for_completion_timeout is unsigned long not int, this patch uses the return value of wait_for_completion_timeout in the condition directly rather than assigning it to an incorrect type variable. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-ti-qspi.c')
-rw-r--r--drivers/spi/spi-ti-qspi.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 6146c4cd6583..884a716e50cb 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -201,7 +201,7 @@ static void ti_qspi_restore_ctx(struct ti_qspi *qspi)
static int qspi_write_msg(struct ti_qspi *qspi, struct spi_transfer *t)
{
- int wlen, count, ret;
+ int wlen, count;
unsigned int cmd;
const u8 *txbuf;
@@ -230,9 +230,8 @@ static int qspi_write_msg(struct ti_qspi *qspi, struct spi_transfer *t)
}
ti_qspi_write(qspi, cmd, QSPI_SPI_CMD_REG);
- ret = wait_for_completion_timeout(&qspi->transfer_complete,
- QSPI_COMPLETION_TIMEOUT);
- if (ret == 0) {
+ if (!wait_for_completion_timeout(&qspi->transfer_complete,
+ QSPI_COMPLETION_TIMEOUT)) {
dev_err(qspi->dev, "write timed out\n");
return -ETIMEDOUT;
}
@@ -245,7 +244,7 @@ static int qspi_write_msg(struct ti_qspi *qspi, struct spi_transfer *t)
static int qspi_read_msg(struct ti_qspi *qspi, struct spi_transfer *t)
{
- int wlen, count, ret;
+ int wlen, count;
unsigned int cmd;
u8 *rxbuf;
@@ -268,9 +267,8 @@ static int qspi_read_msg(struct ti_qspi *qspi, struct spi_transfer *t)
while (count) {
dev_dbg(qspi->dev, "rx cmd %08x dc %08x\n", cmd, qspi->dc);
ti_qspi_write(qspi, cmd, QSPI_SPI_CMD_REG);
- ret = wait_for_completion_timeout(&qspi->transfer_complete,
- QSPI_COMPLETION_TIMEOUT);
- if (ret == 0) {
+ if (!wait_for_completion_timeout(&qspi->transfer_complete,
+ QSPI_COMPLETION_TIMEOUT)) {
dev_err(qspi->dev, "read timed out\n");
return -ETIMEDOUT;
}