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mtd: nand: brcmnand: Change BUG_ON in brcmnand_send_cmd

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Change the BUG_ON() condition in brcmnand_send_cmd() which checks for
the interrupt status "controller ready" bit to a WARN_ON.

There is no good reason to kill the system when this condition occur
because we could have systems which listed the NAND controller as
available (e.g: from Device Tree), but the NAND chip could be
malfunctioning and not responding.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Florian Fainelli 2016-07-08 10:36:39 -07:00 committed by Brian Norris
parent 79ad07d457
commit 422485da15
1 changed files with 1 additions and 1 deletions
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drivers/mtd/nand/brcmnand/brcmnand.c
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@ -1165,7 +1165,7 @@ static void brcmnand_send_cmd(struct brcmnand_host *host, int cmd)
ctrl->cmd_pending = cmd;
intfc = brcmnand_read_reg(ctrl, BRCMNAND_INTFC_STATUS);
BUG_ON(!(intfc & INTFC_CTLR_READY));
WARN_ON(!(intfc & INTFC_CTLR_READY));
mb(); /* flush previous writes */
brcmnand_write_reg(ctrl, BRCMNAND_CMD_START,