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authorAxel Lin <axel.lin@ingics.com>2014-03-26 11:44:18 -0400
committerMark Brown <broonie@linaro.org>2014-03-27 09:29:19 -0400
commit6f50c6bc61d4f8cac9dfa21d2db3917deb9beb20 (patch)
treefae64f65207f5164f1577ebc18f7b2d6f6dad08b
parent5634dd8bf422e0e5b71bb9762ff079f01a5f9a83 (diff)
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>
-rw-r--r--drivers/spi/spi-clps711x.c14
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 {
33 struct regmap *syscon; 33 struct regmap *syscon;
34 struct regmap *syscon1; 34 struct regmap *syscon1;
35 struct clk *spi_clk; 35 struct clk *spi_clk;
36 u32 max_speed_hz;
37 36
38 u8 *tx_buf; 37 u8 *tx_buf;
39 u8 *rx_buf; 38 u8 *rx_buf;
@@ -52,16 +51,17 @@ static int spi_clps711x_setup(struct spi_device *spi)
52static void spi_clps711x_setup_xfer(struct spi_device *spi, 51static void spi_clps711x_setup_xfer(struct spi_device *spi,
53 struct spi_transfer *xfer) 52 struct spi_transfer *xfer)
54{ 53{
55 struct spi_clps711x_data *hw = spi_master_get_devdata(spi->master); 54 struct spi_master *master = spi->master;
55 struct spi_clps711x_data *hw = spi_master_get_devdata(master);
56 56
57 /* Setup SPI frequency divider */ 57 /* Setup SPI frequency divider */
58 if (!xfer->speed_hz || (xfer->speed_hz >= hw->max_speed_hz)) 58 if (xfer->speed_hz >= master->max_speed_hz)
59 regmap_update_bits(hw->syscon1, SYSCON_OFFSET, 59 regmap_update_bits(hw->syscon1, SYSCON_OFFSET,
60 SYSCON1_ADCKSEL_MASK, SYSCON1_ADCKSEL(3)); 60 SYSCON1_ADCKSEL_MASK, SYSCON1_ADCKSEL(3));
61 else if (xfer->speed_hz >= (hw->max_speed_hz / 2)) 61 else if (xfer->speed_hz >= (master->max_speed_hz / 2))
62 regmap_update_bits(hw->syscon1, SYSCON_OFFSET, 62 regmap_update_bits(hw->syscon1, SYSCON_OFFSET,
63 SYSCON1_ADCKSEL_MASK, SYSCON1_ADCKSEL(2)); 63 SYSCON1_ADCKSEL_MASK, SYSCON1_ADCKSEL(2));
64 else if (xfer->speed_hz >= (hw->max_speed_hz / 8)) 64 else if (xfer->speed_hz >= (master->max_speed_hz / 8))
65 regmap_update_bits(hw->syscon1, SYSCON_OFFSET, 65 regmap_update_bits(hw->syscon1, SYSCON_OFFSET,
66 SYSCON1_ADCKSEL_MASK, SYSCON1_ADCKSEL(1)); 66 SYSCON1_ADCKSEL_MASK, SYSCON1_ADCKSEL(1));
67 else 67 else
@@ -183,7 +183,7 @@ static int spi_clps711x_probe(struct platform_device *pdev)
183 ret = PTR_ERR(hw->spi_clk); 183 ret = PTR_ERR(hw->spi_clk);
184 goto err_out; 184 goto err_out;
185 } 185 }
186 hw->max_speed_hz = clk_get_rate(hw->spi_clk); 186 master->max_speed_hz = clk_get_rate(hw->spi_clk);
187 187
188 platform_set_drvdata(pdev, master); 188 platform_set_drvdata(pdev, master);
189 189
@@ -221,7 +221,7 @@ static int spi_clps711x_probe(struct platform_device *pdev)
221 if (!ret) { 221 if (!ret) {
222 dev_info(&pdev->dev, 222 dev_info(&pdev->dev,
223 "SPI bus driver initialized. Master clock %u Hz\n", 223 "SPI bus driver initialized. Master clock %u Hz\n",
224 hw->max_speed_hz); 224 master->max_speed_hz);
225 return 0; 225 return 0;
226 } 226 }
227 227