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-rw-r--r--drivers/spi/spi-bcm-qspi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
index c9a769b8594b..86c76211b3d3 100644
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -585,7 +585,7 @@ static void bcm_qspi_chip_select(struct bcm_qspi *qspi, int cs)
u32 rd = 0;
u32 wr = 0;
- if (qspi->base[CHIP_SELECT]) {
+ if (cs >= 0 && qspi->base[CHIP_SELECT]) {
rd = bcm_qspi_read(qspi, CHIP_SELECT, 0);
wr = (rd & ~0xff) | (1 << cs);
if (rd == wr)