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spi: pic32: fixup wait_for_completion_timeout return handling

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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@osadl.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Nicholas Mc Guire 2016-07-23 21:31:20 +02:00 committed by Mark Brown
parent 523d939ef9
commit 57c2b0ddd1
1 changed files with 3 additions and 2 deletions
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5
drivers/spi/spi-pic32.c
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@ -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);