spi: qup: Convert ot let spi core handle checking transfer speed

Set master->max_speed_hz then spi core will handle checking transfer speed.
So we can remove the same checking in this driver.

Also remove checking spi->chip_select in spi_qup_setup(), the checking is done
by spi core.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index 5edc56f5c88788d56d59c052cfe513a9b33d8660..dec339d51fc8d8039e56ca0ea717878a13429847 100644 (file)
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -134,7 +134,6 @@ struct spi_qup {
        struct clk              *cclk;  /* core clock */
        struct clk              *iclk;  /* interface clock */
        int                     irq;
-       u32                     max_speed_hz;
        spinlock_t              lock;
 
        int                     in_fifo_sz;
@@ -517,18 +516,6 @@ static int spi_qup_setup(struct spi_device *spi)
        struct spi_qup *controller = spi_master_get_devdata(spi->master);
        struct spi_qup_device *chip = spi_get_ctldata(spi);
 
-       if (spi->chip_select >= spi->master->num_chipselect) {
-               dev_err(controller->dev, "invalid chip_select %d\n",
-                       spi->chip_select);
-               return -EINVAL;
-       }
-
-       if (spi->max_speed_hz > controller->max_speed_hz) {
-               dev_err(controller->dev, "invalid max_speed_hz %d\n",
-                       spi->max_speed_hz);
-               return -EINVAL;
-       }
-
        if (!chip) {
                /* First setup */
                chip = kzalloc(sizeof(*chip), GFP_KERNEL);
@@ -629,6 +616,7 @@ static int spi_qup_probe(struct platform_device *pdev)
        master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LOOP;
        master->num_chipselect = SPI_NUM_CHIPSELECTS;
        master->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
+       master->max_speed_hz = max_freq;
        master->setup = spi_qup_setup;
        master->cleanup = spi_qup_cleanup;
        master->set_cs = spi_qup_set_cs;
@@ -645,7 +633,6 @@ static int spi_qup_probe(struct platform_device *pdev)
        controller->iclk = iclk;
        controller->cclk = cclk;
        controller->irq = irq;
-       controller->max_speed_hz = max_freq;
 
        spin_lock_init(&controller->lock);
        init_completion(&controller->done);