commit 8e5368a1e230a87220ef0d238584002e4a429ce3
author David Woodhouse <dwmw2@infradead.org> Fri Mar 23 10:40:04 2007 +0000
committer David Woodhouse <dwmw2@infradead.org> Fri Mar 23 10:40:04 2007 +0000
tree 0831aeec53b5f22592864d3449bd1e0915bee2a1
parent 3a6effe81fa0bd2fb9c6c5ecde665492536733e3

[MTD] [NAND] Remember timing settings for CAFÉ NAND controller.

We'll need them for suspend/resume.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

drivers/mtd/nand/cafe.c

diff --git a/drivers/mtd/nand/cafe.c b/drivers/mtd/nand/cafe.c
index fd6bb3e..c328a75 100644
--- a/drivers/mtd/nand/cafe.c
+++ b/drivers/mtd/nand/cafe.c
@@ -530,7 +530,6 @@
 {
 	struct mtd_info *mtd;
 	struct cafe_priv *cafe;
-	uint32_t timing1, timing2, timing3;
 	uint32_t ctrl;
 	int err = 0;
 
@@ -587,21 +586,19 @@
 	}
 
 	if (numtimings == 3) {
-		timing1 = timing[0];
-		timing2 = timing[1];
-		timing3 = timing[2];
 		cafe_dev_dbg(&cafe->pdev->dev, "Using provided timings (%08x %08x %08x)\n",
-			     timing1, timing2, timing3);
+			     timing[0], timing[1], timing[2]);
 	} else {
-		timing1 = cafe_readl(cafe, NAND_TIMING1);
-		timing2 = cafe_readl(cafe, NAND_TIMING2);
-		timing3 = cafe_readl(cafe, NAND_TIMING3);
+		timing[0] = cafe_readl(cafe, NAND_TIMING1);
+		timing[1] = cafe_readl(cafe, NAND_TIMING2);
+		timing[2] = cafe_readl(cafe, NAND_TIMING3);
 
-		if (timing1 | timing2 | timing3) {
-			cafe_dev_dbg(&cafe->pdev->dev, "Timing registers already set (%08x %08x %08x)\n", timing1, timing2, timing3);
+		if (timing[0] | timing[1] | timing[2]) {
+			cafe_dev_dbg(&cafe->pdev->dev, "Timing registers already set (%08x %08x %08x)\n",
+				     timing[0], timing[1], timing[2]);
 		} else {
 			dev_warn(&cafe->pdev->dev, "Timing registers unset; using most conservative defaults\n");
-			timing1 = timing2 = timing3 = 0xffffffff;
+			timing[0] = timing[1] = timing[2] = 0xffffffff;
 		}
 	}
 
@@ -609,9 +606,9 @@
 	cafe_writel(cafe, 1, NAND_RESET);
 	cafe_writel(cafe, 0, NAND_RESET);
 
-	cafe_writel(cafe, timing1, NAND_TIMING1);
-	cafe_writel(cafe, timing2, NAND_TIMING2);
-	cafe_writel(cafe, timing3, NAND_TIMING3);
+	cafe_writel(cafe, timing[0], NAND_TIMING1);
+	cafe_writel(cafe, timing[1], NAND_TIMING2);
+	cafe_writel(cafe, timing[2], NAND_TIMING3);
 
 	cafe_writel(cafe, 0xffffffff, NAND_IRQ_MASK);
 	err = request_irq(pdev->irq, &cafe_nand_interrupt, IRQF_SHARED,