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authorAxel Lin <axel.lin@ingics.com>2014-03-02 18:30:32 +0400
committerMark Brown <broonie@linaro.org>2014-03-03 05:46:42 +0400
commitb14158603288b9d898716b41f2f0acb7d49dad2c (patch)
tree348eb676871eefc6d4c7d48c5c68482baa0fa9c4 /drivers/spi/spi-sh-msiof.c
parent1bd6363bc0c69ff6120b53daa35cf9459c3628ad (diff)
downloadlinux-b14158603288b9d898716b41f2f0acb7d49dad2c.tar.xz
spi: sh-msiof: Kill sh_msiof_spi_bits and sh_msiof_spi_hz functions
In the implementation of __spi_validate(), spi core will set transfer bits_per_word and max speed as spi device default if it is not set for this transfer. So we can remove the same implementation in this driver. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-sh-msiof.c')
-rw-r--r--drivers/spi/spi-sh-msiof.c25
1 files changed, 2 insertions, 23 deletions
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index db687011dc4f..3ffb8eed5ac5 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -417,26 +417,6 @@ static void sh_msiof_spi_read_fifo_s32u(struct sh_msiof_spi_priv *p,
put_unaligned(swab32(sh_msiof_read(p, RFDR) >> fs), &buf_32[k]);
}
-static int sh_msiof_spi_bits(struct spi_device *spi, struct spi_transfer *t)
-{
- int bits;
-
- bits = t ? t->bits_per_word : 0;
- if (!bits)
- bits = spi->bits_per_word;
- return bits;
-}
-
-static u32 sh_msiof_spi_hz(struct spi_device *spi, struct spi_transfer *t)
-{
- u32 hz;
-
- hz = t ? t->speed_hz : 0;
- if (!hz)
- hz = spi->max_speed_hz;
- return hz;
-}
-
static int sh_msiof_spi_setup(struct spi_device *spi)
{
struct device_node *np = spi->master->dev.of_node;
@@ -574,7 +554,7 @@ static int sh_msiof_transfer_one(struct spi_master *master,
int n;
bool swab;
- bits = sh_msiof_spi_bits(spi, t);
+ bits = t->bits_per_word;
if (bits <= 8 && t->len > 15 && !(t->len & 3)) {
bits = 32;
@@ -624,8 +604,7 @@ static int sh_msiof_transfer_one(struct spi_master *master,
}
/* setup clocks (clock already enabled in chipselect()) */
- sh_msiof_spi_set_clk_regs(p, clk_get_rate(p->clk),
- sh_msiof_spi_hz(spi, t));
+ sh_msiof_spi_set_clk_regs(p, clk_get_rate(p->clk), t->speed_hz);
/* transfer in fifo sized chunks */
words = t->len / bytes_per_word;