[PATCH] spi: pic32: fixup wait_for_completion_timeout return handling

From: Nicholas Mc Guire
Date: Sat Jul 23 2016 - 15:31:20 EST


wait_for_completion_timeout returns unsigned long not int so the check for
<= 0 should be == 0 here.

Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
drivers/spi/spi-pic32.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-pic32.c b/drivers/spi/spi-pic32.c
index 73db87f805a1..fefb688a3432 100644
--- a/drivers/spi/spi-pic32.c
+++ b/drivers/spi/spi-pic32.c
@@ -507,6 +507,7 @@ static int pic32_spi_one_transfer(struct spi_master *master,
{
struct pic32_spi *pic32s;
bool dma_issued = false;
+ unsigned long timeout;
int ret;

pic32s = spi_master_get_devdata(master);
@@ -553,8 +554,8 @@ static int pic32_spi_one_transfer(struct spi_master *master,
}

/* wait for completion */
- ret = wait_for_completion_timeout(&pic32s->xfer_done, 2 * HZ);
- if (ret <= 0) {
+ timeout = wait_for_completion_timeout(&pic32s->xfer_done, 2 * HZ);
+ if (timeout == 0) {
dev_err(&spi->dev, "wait error/timedout\n");
if (dma_issued) {
dmaengine_terminate_all(master->dma_rx);
--
2.8.1