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-rw-r--r--drivers/mtd/nand/raw/brcmnand/brcmnand.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 9ea96911d16b..9a373a10304d 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1080,6 +1080,14 @@ static int bcmnand_ctrl_poll_status(struct brcmnand_controller *ctrl,
cpu_relax();
} while (time_after(limit, jiffies));
+ /*
+ * do a final check after time out in case the CPU was busy and the driver
+ * did not get enough time to perform the polling to avoid false alarms
+ */
+ val = brcmnand_read_reg(ctrl, BRCMNAND_INTFC_STATUS);
+ if ((val & mask) == expected_val)
+ return 0;
+
dev_warn(ctrl->dev, "timeout on status poll (expected %x got %x)\n",
expected_val, val & mask);