aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/spi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi_s3c24xx.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index 1c643c9e1f15..21661c7959c8 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)
236 return IRQ_HANDLED; 236 return IRQ_HANDLED;
237} 237}
238 238
239static void s3c24xx_spi_initialsetup(struct s3c24xx_spi *hw)
240{
241 /* for the moment, permanently enable the clock */
242
243 clk_enable(hw->clk);
244
245 /* program defaults into the registers */
246
247 writeb(0xff, hw->regs + S3C2410_SPPRE);
248 writeb(SPPIN_DEFAULT, hw->regs + S3C2410_SPPIN);
249 writeb(SPCON_DEFAULT, hw->regs + S3C2410_SPCON);
250}
251
239static int __init s3c24xx_spi_probe(struct platform_device *pdev) 252static int __init s3c24xx_spi_probe(struct platform_device *pdev)
240{ 253{
241 struct s3c2410_spi_info *pdata; 254 struct s3c2410_spi_info *pdata;
@@ -327,15 +340,7 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev)
327 goto err_no_clk; 340 goto err_no_clk;
328 } 341 }
329 342
330 /* for the moment, permanently enable the clock */ 343 s3c24xx_spi_initialsetup(hw);
331
332 clk_enable(hw->clk);
333
334 /* program defaults into the registers */
335
336 writeb(0xff, hw->regs + S3C2410_SPPRE);
337 writeb(SPPIN_DEFAULT, hw->regs + S3C2410_SPPIN);
338 writeb(SPCON_DEFAULT, hw->regs + S3C2410_SPCON);
339 344
340 /* setup any gpio we can */ 345 /* setup any gpio we can */
341 346
@@ -415,7 +420,7 @@ static int s3c24xx_spi_resume(struct platform_device *pdev)
415{ 420{
416 struct s3c24xx_spi *hw = platform_get_drvdata(pdev); 421 struct s3c24xx_spi *hw = platform_get_drvdata(pdev);
417 422
418 clk_enable(hw->clk); 423 s3c24xx_spi_initialsetup(hw);
419 return 0; 424 return 0;
420} 425}
421 426