[U-Boot] [PATCH] spi: sh_spi: Use sh_spi_clear_bit() instead of open-coded

We have a sh_spi_clear_bit() function, there's no reason not to use it.
Signed-off-by: Axel Lin axel.lin@ingics.com --- drivers/spi/sh_spi.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/spi/sh_spi.c b/drivers/spi/sh_spi.c index 744afe3..7ca5e36 100644 --- a/drivers/spi/sh_spi.c +++ b/drivers/spi/sh_spi.c @@ -151,7 +151,6 @@ static int sh_spi_send(struct sh_spi *ss, const unsigned char *tx_data, { int i, cur_len, ret = 0; int remain = (int)len; - unsigned long tmp;
if (len >= SH_SPI_FIFO_SIZE) sh_spi_set_bit(SH_SPI_SSA, &ss->regs->cr1); @@ -183,9 +182,7 @@ static int sh_spi_send(struct sh_spi *ss, const unsigned char *tx_data, }
if (flags & SPI_XFER_END) { - tmp = sh_spi_read(&ss->regs->cr1); - tmp = tmp & ~(SH_SPI_SSD | SH_SPI_SSDB); - sh_spi_write(tmp, &ss->regs->cr1); + sh_spi_clear_bit(SH_SPI_SSD | SH_SPI_SSDB, &ss->regs->cr1); sh_spi_set_bit(SH_SPI_SSA, &ss->regs->cr1); udelay(100); write_fifo_empty_wait(ss); @@ -198,16 +195,13 @@ static int sh_spi_receive(struct sh_spi *ss, unsigned char *rx_data, unsigned int len, unsigned long flags) { int i; - unsigned long tmp;
if (len > SH_SPI_MAX_BYTE) sh_spi_write(SH_SPI_MAX_BYTE, &ss->regs->cr3); else sh_spi_write(len, &ss->regs->cr3);
- tmp = sh_spi_read(&ss->regs->cr1); - tmp = tmp & ~(SH_SPI_SSD | SH_SPI_SSDB); - sh_spi_write(tmp, &ss->regs->cr1); + sh_spi_clear_bit(SH_SPI_SSD | SH_SPI_SSDB, &ss->regs->cr1); sh_spi_set_bit(SH_SPI_SSA, &ss->regs->cr1);
for (i = 0; i < len; i++) {

Hi,
Thanks for your patch.
2013/12/27 Axel Lin axel.lin@ingics.com:
We have a sh_spi_clear_bit() function, there's no reason not to use it.
Signed-off-by: Axel Lin axel.lin@ingics.com
Acked-by: Nobuhiro Iwamatsu iwamatsu@nigauri.org
Best regards, Nobuhiro

On Fri, Dec 27, 2013 at 11:47 AM, Nobuhiro Iwamatsu iwamatsu@nigauri.org wrote:
Hi,
Thanks for your patch.
2013/12/27 Axel Lin axel.lin@ingics.com:
We have a sh_spi_clear_bit() function, there's no reason not to use it.
Signed-off-by: Axel Lin axel.lin@ingics.com
Acked-by: Nobuhiro Iwamatsu iwamatsu@nigauri.org
Best regards, Nobuhiro
-- Nobuhiro Iwamatsu iwamatsu at {nigauri.org / debian.org} GPG ID: 40AD1FA6 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Applied to u-boot-spi/master
participants (3)
-
Axel Lin
-
Jagan Teki
-
Nobuhiro Iwamatsu