diff mbox

[2/2] spi: dup: Convert ot let spi core handle checking transfer speed

Message ID 1392945135.4125.3.camel@phoenix (mailing list archive)
State Accepted
Commit cb64ca54076243b1d88b0a8430504d0a4cf3a5fa
Headers show

Commit Message

Axel Lin Feb. 21, 2014, 1:12 a.m. UTC 
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>
---
 drivers/spi/spi-qup.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

Comments

Ivan T. Ivanov Feb. 21, 2014, 9:33 a.m. UTC | #1 
On Fri, 2014-02-21 at 09:12 +0800, Axel Lin wrote: 
> 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>

Thanks.

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diff mbox

Patch

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index 5edc56f..dec339d 100644
--- 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);