diff options
| author | Tom Rini <trini@ti.com> | 2014-01-13 13:45:15 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-01-13 13:45:15 -0500 |
| commit | 10fcda8e25cb9477b47a62edb716f81c9d5e1f0e (patch) | |
| tree | b705f678c1eb1161227c6e1996a0d5c008ea4b64 /drivers/spi/sh_spi.c | |
| parent | d104a0c6a19da2d35cfae447e909b5bda727895a (diff) | |
| parent | 35a55fb57fffb615e6b20980fb317e162076adb4 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-spi
Diffstat (limited to 'drivers/spi/sh_spi.c')
| -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 744afe3295..7ca5e363da 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++) { |