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path: root/drivers/spi/spi-npcm-fiu.c
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Diffstat (limited to 'drivers/spi/spi-npcm-fiu.c')
-rw-r--r--drivers/spi/spi-npcm-fiu.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/spi/spi-npcm-fiu.c b/drivers/spi/spi-npcm-fiu.c
index 0ca21ff0e9cc..e42248519688 100644
--- a/drivers/spi/spi-npcm-fiu.c
+++ b/drivers/spi/spi-npcm-fiu.c
@@ -353,8 +353,9 @@ static int npcm_fiu_uma_read(struct spi_mem *mem,
uma_cfg |= ilog2(op->cmd.buswidth);
uma_cfg |= ilog2(op->addr.buswidth)
<< NPCM_FIU_UMA_CFG_ADBPCK_SHIFT;
- uma_cfg |= ilog2(op->dummy.buswidth)
- << NPCM_FIU_UMA_CFG_DBPCK_SHIFT;
+ if (op->dummy.nbytes)
+ uma_cfg |= ilog2(op->dummy.buswidth)
+ << NPCM_FIU_UMA_CFG_DBPCK_SHIFT;
uma_cfg |= ilog2(op->data.buswidth)
<< NPCM_FIU_UMA_CFG_RDBPCK_SHIFT;
uma_cfg |= op->dummy.nbytes << NPCM_FIU_UMA_CFG_DBSIZ_SHIFT;