From: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Yoshihiro Shimoda
<yoshihiro.shimoda.uh-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH] spi: sh: Use spi_sh_clear_bit() instead of open-coded
Date: Mon, 13 Jan 2014 10:00:44 +0800 [thread overview]
Message-ID: <1389578444.18562.1.camel@phoenix> (raw)
We have a spi_sh_clear_bit() function, there's no reason not to use it.
Signed-off-by: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
---
drivers/spi/spi-sh.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
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 @@ 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);
--
1.8.1.2
--
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next reply other threads:[~2014-01-13 2:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-13 2:00 Axel Lin [this message]
2014-01-13 11:26 ` [PATCH] spi: sh: Use spi_sh_clear_bit() instead of open-coded Mark Brown
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