diff options
| author | Axel Lin <axel.lin@ingics.com> | 2014-03-26 23:44:18 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-27 13:29:19 +0000 |
| commit | 6f50c6bc61d4f8cac9dfa21d2db3917deb9beb20 (patch) | |
| tree | fae64f65207f5164f1577ebc18f7b2d6f6dad08b /drivers | |
| parent | 5634dd8bf422e0e5b71bb9762ff079f01a5f9a83 (diff) | |
| download | blackbird-op-linux-6f50c6bc61d4f8cac9dfa21d2db3917deb9beb20.tar.gz blackbird-op-linux-6f50c6bc61d4f8cac9dfa21d2db3917deb9beb20.zip | |
spi: clps711x: Convert to use master->max_speed_hz
Set highest transfer speed to master->max_speed_hz and then we can remove
hw->max_speed.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/spi-clps711x.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/spi/spi-clps711x.c b/drivers/spi/spi-clps711x.c index d9eec4e3b246..a2b8ef5d8c59 100644 --- a/drivers/spi/spi-clps711x.c +++ b/drivers/spi/spi-clps711x.c @@ -33,7 +33,6 @@ struct spi_clps711x_data { struct regmap *syscon; struct regmap *syscon1; struct clk *spi_clk; - u32 max_speed_hz; u8 *tx_buf; u8 *rx_buf; @@ -52,16 +51,17 @@ static int spi_clps711x_setup(struct spi_device *spi) static void spi_clps711x_setup_xfer(struct spi_device *spi, struct spi_transfer *xfer) { - struct spi_clps711x_data *hw = spi_master_get_devdata(spi->master); + struct spi_master *master = spi->master; + struct spi_clps711x_data *hw = spi_master_get_devdata(master); /* Setup SPI frequency divider */ - if (!xfer->speed_hz || (xfer->speed_hz >= hw->max_speed_hz)) + if (xfer->speed_hz >= master->max_speed_hz) regmap_update_bits(hw->syscon1, SYSCON_OFFSET, SYSCON1_ADCKSEL_MASK, SYSCON1_ADCKSEL(3)); - else if (xfer->speed_hz >= (hw->max_speed_hz / 2)) + else if (xfer->speed_hz >= (master->max_speed_hz / 2)) regmap_update_bits(hw->syscon1, SYSCON_OFFSET, SYSCON1_ADCKSEL_MASK, SYSCON1_ADCKSEL(2)); - else if (xfer->speed_hz >= (hw->max_speed_hz / 8)) + else if (xfer->speed_hz >= (master->max_speed_hz / 8)) regmap_update_bits(hw->syscon1, SYSCON_OFFSET, SYSCON1_ADCKSEL_MASK, SYSCON1_ADCKSEL(1)); else @@ -183,7 +183,7 @@ static int spi_clps711x_probe(struct platform_device *pdev) ret = PTR_ERR(hw->spi_clk); goto err_out; } - hw->max_speed_hz = clk_get_rate(hw->spi_clk); + master->max_speed_hz = clk_get_rate(hw->spi_clk); platform_set_drvdata(pdev, master); @@ -221,7 +221,7 @@ static int spi_clps711x_probe(struct platform_device *pdev) if (!ret) { dev_info(&pdev->dev, "SPI bus driver initialized. Master clock %u Hz\n", - hw->max_speed_hz); + master->max_speed_hz); return 0; } |
