---

yaml --- r: 274905 b: refs/heads/master c: 051fc41 h: refs/heads/master i: 274903: 6ce590a v: v3
git-mirror · Sep 11, 2011 · e00bea3 · e00bea3
1 parent c9d307c
commit e00bea3
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Showing 2 changed files with 15 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 52a474de0a830bdf4305ef19c3321064ce5da438
+refs/heads/master: 051fc41c2e578e10950bf34dc84878e489e0679f
diff --git a/trunk/drivers/mtd/nand/pxa3xx_nand.c b/trunk/drivers/mtd/nand/pxa3xx_nand.c
@@ -1158,23 +1158,36 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
 static int pxa3xx_nand_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	struct pxa3xx_nand_info *info = platform_get_drvdata(pdev);
+	struct mtd_info *mtd = info->mtd;
 
 	if (info->state) {
 		dev_err(&pdev->dev, "driver busy, state = %d\n", info->state);
 		return -EAGAIN;
 	}
 
+	mtd->suspend(mtd);
 	return 0;
 }
 
 static int pxa3xx_nand_resume(struct platform_device *pdev)
 {
 	struct pxa3xx_nand_info *info = platform_get_drvdata(pdev);
+	struct mtd_info *mtd = info->mtd;
+
+	/* We don't want to handle interrupt without calling mtd routine */
+	disable_int(info, NDCR_INT_MASK);
 
 	nand_writel(info, NDTR0CS0, info->ndtr0cs0);
 	nand_writel(info, NDTR1CS0, info->ndtr1cs0);
-	clk_enable(info->clk);
 
+	/*
+	 * As the spec says, the NDSR would be updated to 0x1800 when
+	 * doing the nand_clk disable/enable.
+	 * To prevent it damaging state machine of the driver, clear
+	 * all status before resume
+	 */
+	nand_writel(info, NDSR, NDSR_MASK);
+	mtd->resume(mtd);
 	return 0;
 }
 #else