diff options
| author |   Axel Lin <axel.lin@ingics.com> | 2014-01-13 10:00:44 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@linaro.org> | 2014-01-13 11:26:28 +0000 |
| commit | 909e709c77df739ccba610dc48a301fd9ee8249c (patch) | |
| tree | 32121f26d407d0dfe3f01664ff0bdd6089bb7a72 /drivers/spi/spi-sh.c | |
| parent | Linux 3.13-rc1 (diff) | |
| download | linux-dev-909e709c77df739ccba610dc48a301fd9ee8249c.tar.xz linux-dev-909e709c77df739ccba610dc48a301fd9ee8249c.zip | |
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>
Diffstat (limited to 'drivers/spi/spi-sh.c')
| -rw-r--r-- | drivers/spi/spi-sh.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c index c120a70094f2..9fea8ccdce45 100644 --- a/drivers/spi/spi-sh.c +++ b/drivers/spi/spi-sh.c @@ -171,7 +171,6 @@ static int spi_sh_send(struct spi_sh_data *ss, struct spi_message *mesg, int remain = t->len; int cur_len; unsigned char *data; - unsigned long tmp; long ret; if (t->len) @@ -213,9 +212,7 @@ static int spi_sh_send(struct spi_sh_data *ss, struct spi_message *mesg, } 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 @@ static int spi_sh_receive(struct spi_sh_data *ss, struct spi_message *mesg, 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 @@ static int spi_sh_receive(struct spi_sh_data *ss, struct spi_message *mesg, 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); |