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>

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;
                 }