blob: f83ab8a7d2c659051ebe0f5b56c84306a5431a27 [file] [log] [blame]
From 78adfee5b79ef12d2cf9c189984028d4484aa31a Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Sun, 2 Mar 2014 22:30:32 +0800
Subject: 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>
(cherry picked from commit b14158603288b9d898716b41f2f0acb7d49dad2c)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
drivers/spi/spi-sh-msiof.c | 25 ++-----------------------
1 file changed, 2 insertions(+), 23 deletions(-)
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 1b59804b43ad..739eb2f12ecc 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -416,26 +416,6 @@ 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;
@@ -573,7 +553,7 @@ 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;
@@ -623,8 +603,7 @@ 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;
--
2.1.2