spi/s3c64xx: Use bus clocks created using clkdev

This patch modifies the driver to stop depending on the
clock names being passed from platform and switch over
to lookup clocks generic names using clkdev

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

drivers/spi/spi-s3c64xx.c

@@ -971,6 +971,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 	struct s3c64xx_spi_info *sci;
 	struct spi_master *master;
 	int ret;
+	char clk_name[16];
 
 	if (pdev->id < 0) {
 		dev_err(&pdev->dev,
@@ -984,11 +985,6 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 	}
 
 	sci = pdev->dev.platform_data;
-	if (!sci->src_clk_name) {
-		dev_err(&pdev->dev,
-			"Board init must call s3c64xx_spi_set_info()\n");
-		return -EINVAL;
-	}
 
 	/* Check for availability of necessary resource */
 
@@ -1073,17 +1069,17 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 		goto err4;
 	}
 
-	sdd->src_clk = clk_get(&pdev->dev, sci->src_clk_name);
+	sprintf(clk_name, "spi_busclk%d", sci->src_clk_nr);
+	sdd->src_clk = clk_get(&pdev->dev, clk_name);
 	if (IS_ERR(sdd->src_clk)) {
 		dev_err(&pdev->dev,
-			"Unable to acquire clock '%s'\n", sci->src_clk_name);
+			"Unable to acquire clock '%s'\n", clk_name);
 		ret = PTR_ERR(sdd->src_clk);
 		goto err5;
 	}
 
 	if (clk_enable(sdd->src_clk)) {
-		dev_err(&pdev->dev, "Couldn't enable clock '%s'\n",
-							sci->src_clk_name);
+		dev_err(&pdev->dev, "Couldn't enable clock '%s'\n", clk_name);
 		ret = -EBUSY;
 		goto err6;
 	}