From: Hoan Nguyen An <na-hoan@xxxxxxxxxxx>
We can use each word (data length) of 32bits (4 bytes),
so that if the length is greater than 3bytes, we can
align it with 4bytes of words.
Signed-off-by: Hoan Nguyen An <na-hoan@xxxxxxxxxxx>
---
drivers/spi/spi-sh-msiof.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index e2eb466..1552c14 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -930,7 +930,7 @@ static int sh_msiof_transfer_one(struct spi_controller *ctlr,
if (!spi_controller_is_slave(p->ctlr))
sh_msiof_spi_set_clk_regs(p, clk_get_rate(p->clk), t->speed_hz);
- while (ctlr->dma_tx && len > 15) {
+ while (ctlr->dma_tx && len > 3) {
/*
* DMA supports 32-bit words only, hence pack 8-bit and 16-bit
* words, with byte resp. word swapping.
@@ -974,7 +974,7 @@ static int sh_msiof_transfer_one(struct spi_controller *ctlr,
return 0;
}
- if (bits <= 8 && len > 15) {
+ if (bits <= 8 && len > 3) {
bits = 32;
swab = true;
} else {
--
2.7.4
