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-rw-r--r--drivers/mtd/nand/nand_omap_gpmc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nand_omap_gpmc.c b/drivers/mtd/nand/nand_omap_gpmc.c
index db1ca88791..0f3ffa1c0e 100644
--- a/drivers/mtd/nand/nand_omap_gpmc.c
+++ b/drivers/mtd/nand/nand_omap_gpmc.c
@@ -636,7 +636,7 @@ static void omap_write_buf_pref(struct nand_chip *nand_chip,
gpmc_prefetch_enable(info->gpmc_cs,
PREFETCH_FIFOTHRESHOLD_MAX, 0x0, len, 0x1);
- while (len) {
+ while (len > 0) {
w_count = readl(info->gpmc_base + GPMC_PREFETCH_STATUS);
w_count = GPMC_PREFETCH_STATUS_FIFO_CNT(w_count);
w_count = w_count >> 2;