diff options
Diffstat (limited to 'drivers/spi/spi_s3c24xx.c')
| -rw-r--r-- | drivers/spi/spi_s3c24xx.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c index ec282aa92aa..89da39f02d6 100644 --- a/drivers/spi/spi_s3c24xx.c +++ b/drivers/spi/spi_s3c24xx.c @@ -236,6 +236,19 @@ static irqreturn_t s3c24xx_spi_irq(int irq, void *dev) return IRQ_HANDLED; } +static void s3c24xx_spi_initialsetup(struct s3c24xx_spi *hw) +{ + /* for the moment, permanently enable the clock */ + + clk_enable(hw->clk); + + /* program defaults into the registers */ + + writeb(0xff, hw->regs + S3C2410_SPPRE); + writeb(SPPIN_DEFAULT, hw->regs + S3C2410_SPPIN); + writeb(SPCON_DEFAULT, hw->regs + S3C2410_SPCON); +} + static int __init s3c24xx_spi_probe(struct platform_device *pdev) { struct s3c2410_spi_info *pdata; @@ -270,6 +283,7 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev) /* setup the master state. */ master->num_chipselect = hw->pdata->num_cs; + master->bus_num = pdata->bus_num; /* setup the state for the bitbang driver */ @@ -326,15 +340,7 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev) goto err_no_clk; } - /* for the moment, permanently enable the clock */ - - clk_enable(hw->clk); - - /* program defaults into the registers */ - - writeb(0xff, hw->regs + S3C2410_SPPRE); - writeb(SPPIN_DEFAULT, hw->regs + S3C2410_SPPIN); - writeb(SPCON_DEFAULT, hw->regs + S3C2410_SPCON); + s3c24xx_spi_initialsetup(hw); /* setup any gpio we can */ @@ -414,7 +420,7 @@ static int s3c24xx_spi_resume(struct platform_device *pdev) { struct s3c24xx_spi *hw = platform_get_drvdata(pdev); - clk_enable(hw->clk); + s3c24xx_spi_initialsetup(hw); return 0; } |