Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetoot...

[karo-tx-linux.git] / drivers / mtd / nand / nand_base.c

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 8323ac991ad154d7304958059cab37af6f2d6541..43214151b882bcf4d2717eb48f20b1b2e0fd9a46 100644 (file)
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -825,13 +825,8 @@ static void panic_nand_wait(struct mtd_info *mtd, struct nand_chip *chip,
 static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
 {
 
-       unsigned long timeo = jiffies;
        int status, state = chip->state;
-
-       if (state == FL_ERASING)
-               timeo += (HZ * 400) / 1000;
-       else
-               timeo += (HZ * 20) / 1000;
+       unsigned long timeo = (state == FL_ERASING ? 400 : 20);
 
        led_trigger_event(nand_led_trigger, LED_FULL);
 
@@ -849,6 +844,7 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
        if (in_interrupt() || oops_in_progress)
                panic_nand_wait(mtd, chip, timeo);
        else {
+               timeo = jiffies + msecs_to_jiffies(timeo);
                while (time_before(jiffies, timeo)) {
                        if (chip->dev_ready) {
                                if (chip->dev_ready(mtd))
@@ -2857,8 +2853,11 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
        int i;
        int val;
 
-       /* ONFI need to be probed in 8 bits mode */
-       WARN_ON(chip->options & NAND_BUSWIDTH_16);
+       /* ONFI need to be probed in 8 bits mode, and 16 bits should be selected with NAND_BUSWIDTH_AUTO */
+       if (chip->options & NAND_BUSWIDTH_16) {
+               pr_err("Trying ONFI probe in 16 bits mode, aborting !\n");
+               return 0;
+       }
        /* Try ONFI for unknown chip or LP */
        chip->cmdfunc(mtd, NAND_CMD_READID, 0x20, -1);
        if (chip->read_byte(mtd) != 'O' || chip->read_byte(mtd) != 'N' ||