diff options
| author | Axel Lin <axel.lin@ingics.com> | 2013-12-27 13:51:55 +0800 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2014-01-11 12:21:31 +0530 |
| commit | 12f00caf61677aca8f390651546f203575e20643 (patch) | |
| tree | 8645d20c93142e3aec0e0666a65f2d09bdba46fc /drivers/spi | |
| parent | d1f22d4bdf2b20a83277f10f858582d18b01df03 (diff) | |
| download | u-boot-imx-12f00caf61677aca8f390651546f203575e20643.zip u-boot-imx-12f00caf61677aca8f390651546f203575e20643.tar.gz u-boot-imx-12f00caf61677aca8f390651546f203575e20643.tar.bz2 | |
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>
Acked-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/sh_spi.c | 10 |
1 files 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++) { |