Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[cascardo/linux.git] / drivers / mtd / nand / mxc_nand.c

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index b2900d8..2ba3be1 100644 (file)
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -638,6 +638,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
 
        case NAND_CMD_ERASE1:
        case NAND_CMD_ERASE2:
+       case NAND_CMD_RESET:
                send_cmd(host, command, false);
                mxc_do_addr_cycle(mtd, column, page_addr);
 
@@ -818,7 +819,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
        }
 
        /* first scan to find the device and get the page size */
-       if (nand_scan_ident(mtd, 1)) {
+       if (nand_scan_ident(mtd, 1, NULL)) {
                err = -ENXIO;
                goto escan;
        }
@@ -886,11 +887,14 @@ static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
        int ret = 0;
 
        DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
-       if (mtd) {
-               ret = mtd->suspend(mtd);
-               /* Disable the NFC clock */
-               clk_disable(host->clk);
-       }
+
+       ret = mtd->suspend(mtd);
+
+       /*
+        * nand_suspend locks the device for exclusive access, so
+        * the clock must already be off.
+        */
+       BUG_ON(!ret && host->clk_act);
 
        return ret;
 }
@@ -904,11 +908,7 @@ static int mxcnd_resume(struct platform_device *pdev)
 
        DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
 
-       if (mtd) {
-               /* Enable the NFC clock */
-               clk_enable(host->clk);
-               mtd->resume(mtd);
-       }
+       mtd->resume(mtd);
 
        return ret;
 }