diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-19 16:17:34 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 16:17:34 (GMT) |
| commit | cf816ecb533ab96b883dfdc0db174598b5b5c4d2 (patch) | |
| tree | 1b7705db288ae2917105e624b01fdf81e0882bf1 /drivers/spi/spi_s3c24xx.c | |
| parent | adf6d34e460387ee3e8f1e1875d52bff51212c7d (diff) | |
| parent | 15f7d677ccff6f0f5de8a1ee43a792567e9f9de9 (diff) | |
| download | linux-fsl-qoriq-cf816ecb533ab96b883dfdc0db174598b5b5c4d2.tar.xz | |
Merge branch 'merge-fixes' into devel
Diffstat (limited to 'drivers/spi/spi_s3c24xx.c')
| -rw-r--r-- | drivers/spi/spi_s3c24xx.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c index e75103a..b7476b8 100644 --- a/drivers/spi/spi_s3c24xx.c +++ b/drivers/spi/spi_s3c24xx.c @@ -192,8 +192,11 @@ static int s3c24xx_spi_txrx(struct spi_device *spi, struct spi_transfer *t) hw->len = t->len; hw->count = 0; + init_completion(&hw->done); + /* send the first byte */ writeb(hw_txbyte(hw, 0), hw->regs + S3C2410_SPTDAT); + wait_for_completion(&hw->done); return hw->count; @@ -235,6 +238,7 @@ static irqreturn_t s3c24xx_spi_irq(int irq, void *dev) static int __init s3c24xx_spi_probe(struct platform_device *pdev) { + struct s3c2410_spi_info *pdata; struct s3c24xx_spi *hw; struct spi_master *master; struct resource *res; @@ -251,10 +255,10 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev) memset(hw, 0, sizeof(struct s3c24xx_spi)); hw->master = spi_master_get(master); - hw->pdata = pdev->dev.platform_data; + hw->pdata = pdata = pdev->dev.platform_data; hw->dev = &pdev->dev; - if (hw->pdata == NULL) { + if (pdata == NULL) { dev_err(&pdev->dev, "No platform data supplied\n"); err = -ENOENT; goto err_no_pdata; @@ -263,6 +267,10 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, hw); init_completion(&hw->done); + /* setup the master state. */ + + master->num_chipselect = hw->pdata->num_cs; + /* setup the state for the bitbang driver */ hw->bitbang.master = hw->master; @@ -330,13 +338,13 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev) /* setup any gpio we can */ - if (!hw->pdata->set_cs) { + if (!pdata->set_cs) { hw->set_cs = s3c24xx_spi_gpiocs; - s3c2410_gpio_setpin(hw->pdata->pin_cs, 1); - s3c2410_gpio_cfgpin(hw->pdata->pin_cs, S3C2410_GPIO_OUTPUT); + s3c2410_gpio_setpin(pdata->pin_cs, 1); + s3c2410_gpio_cfgpin(pdata->pin_cs, S3C2410_GPIO_OUTPUT); } else - hw->set_cs = hw->pdata->set_cs; + hw->set_cs = pdata->set_cs; /* register our spi controller */ |