]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
[MTD] [NAND] S3C2410 Fix previous nFCE suspend save patch
authorBen Dooks <ben-mtd@fluff.org>
Tue, 15 Apr 2008 10:36:18 +0000 (11:36 +0100)
committerDavid Woodhouse <dwmw2@infradead.org>
Tue, 22 Apr 2008 20:32:23 +0000 (21:32 +0100)
Commit 03680b1e00d146df718c8a4eac34438566b70c85 incorrectly
was assuming S3C2410_NFCONF was being used to select the
NAND chip. Fix this error by ising the sel_reg.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
drivers/mtd/nand/s3c2410.c

index f3fa1be22ddf9e6e16805f3def5075e2bd18cc82..8557c68dbb42e6eeb370a084ac7bfb8353cfd725 100644 (file)
@@ -119,8 +119,7 @@ struct s3c2410_nand_info {
        void __iomem                    *sel_reg;
        int                             sel_bit;
        int                             mtd_count;
-
-       unsigned long                   save_nfconf;
+       unsigned long                   save_sel;
 
        enum s3c_cpu_type               cpu_type;
 };
@@ -810,15 +809,14 @@ static int s3c24xx_nand_suspend(struct platform_device *dev, pm_message_t pm)
        struct s3c2410_nand_info *info = platform_get_drvdata(dev);
 
        if (info) {
-               info->save_nfconf = readl(info->regs + S3C2410_NFCONF);
+               info->save_sel = readl(info->sel_reg);
 
                /* For the moment, we must ensure nFCE is high during
                 * the time we are suspended. This really should be
                 * handled by suspending the MTDs we are using, but
                 * that is currently not the case. */
 
-               writel(info->save_nfconf | info->sel_bit,
-                      info->regs + S3C2410_NFCONF);
+               writel(info->save_sel | info->sel_bit, info->sel_reg);
 
                if (!allow_clk_stop(info))
                        clk_disable(info->clk);
@@ -830,7 +828,7 @@ static int s3c24xx_nand_suspend(struct platform_device *dev, pm_message_t pm)
 static int s3c24xx_nand_resume(struct platform_device *dev)
 {
        struct s3c2410_nand_info *info = platform_get_drvdata(dev);
-       unsigned long nfconf;
+       unsigned long sel;
 
        if (info) {
                clk_enable(info->clk);
@@ -838,10 +836,10 @@ static int s3c24xx_nand_resume(struct platform_device *dev)
 
                /* Restore the state of the nFCE line. */
 
-               nfconf = readl(info->regs + S3C2410_NFCONF);
-               nfconf &= ~info->sel_bit;
-               nfconf |= info->save_nfconf & info->sel_bit;
-               writel(nfconf, info->regs + S3C2410_NFCONF);
+               sel = readl(info->sel_reg);
+               sel &= ~info->sel_bit;
+               sel |= info->save_sel & info->sel_bit;
+               writel(sel, info->sel_reg);
 
                if (allow_clk_stop(info))
                        clk_disable(info->clk);