spi: sh: Use spi_sh_clear_bit() instead of open-coded
We have a spi_sh_clear_bit() function, there's no reason not to use it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c
index c120a70..9fea8cc 100644
--- a/drivers/spi/spi-sh.c
+++ b/drivers/spi/spi-sh.c
@@ -171,7 +171,6 @@
int remain = t->len;
int cur_len;
unsigned char *data;
- unsigned long tmp;
long ret;
if (t->len)
@@ -213,9 +212,7 @@
}
if (list_is_last(&t->transfer_list, &mesg->transfers)) {
- tmp = spi_sh_read(ss, SPI_SH_CR1);
- tmp = tmp & ~(SPI_SH_SSD | SPI_SH_SSDB);
- spi_sh_write(ss, tmp, SPI_SH_CR1);
+ spi_sh_clear_bit(ss, SPI_SH_SSD | SPI_SH_SSDB, SPI_SH_CR1);
spi_sh_set_bit(ss, SPI_SH_SSA, SPI_SH_CR1);
ss->cr1 &= ~SPI_SH_TBE;
@@ -239,7 +236,6 @@
int remain = t->len;
int cur_len;
unsigned char *data;
- unsigned long tmp;
long ret;
if (t->len > SPI_SH_MAX_BYTE)
@@ -247,9 +243,7 @@
else
spi_sh_write(ss, t->len, SPI_SH_CR3);
- tmp = spi_sh_read(ss, SPI_SH_CR1);
- tmp = tmp & ~(SPI_SH_SSD | SPI_SH_SSDB);
- spi_sh_write(ss, tmp, SPI_SH_CR1);
+ spi_sh_clear_bit(ss, SPI_SH_SSD | SPI_SH_SSDB, SPI_SH_CR1);
spi_sh_set_bit(ss, SPI_SH_SSA, SPI_SH_CR1);
spi_sh_wait_write_buffer_empty(ss);