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path: root/drivers/mtd/nand/mtk_ecc.c
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Diffstat (limited to 'drivers/mtd/nand/mtk_ecc.c')
-rw-r--r--drivers/mtd/nand/mtk_ecc.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/mtd/nand/mtk_ecc.c b/drivers/mtd/nand/mtk_ecc.c
index a855a4e5cc35..00ce22e0eaf0 100644
--- a/drivers/mtd/nand/mtk_ecc.c
+++ b/drivers/mtd/nand/mtk_ecc.c
@@ -276,16 +276,18 @@ int mtk_ecc_enable(struct mtk_ecc *ecc, struct mtk_ecc_config *config)
if (ret)
return ret;
- init_completion(&ecc->done);
- reg_val = ECC_IRQ_EN;
- /*
- * For ECC_NFI_MODE, if ecc->caps->pg_irq_sel is 1, then it
- * means this chip can only generate one ecc irq during page
- * read / write. If is 0, generate one ecc irq each ecc step.
- */
- if ((ecc->caps->pg_irq_sel) && (config->mode == ECC_NFI_MODE))
- reg_val |= ECC_PG_IRQ_SEL;
- writew(reg_val, ecc->regs + ECC_IRQ_REG(op));
+ if (config->mode != ECC_NFI_MODE || op != ECC_ENCODE) {
+ init_completion(&ecc->done);
+ reg_val = ECC_IRQ_EN;
+ /*
+ * For ECC_NFI_MODE, if ecc->caps->pg_irq_sel is 1, then it
+ * means this chip can only generate one ecc irq during page
+ * read / write. If is 0, generate one ecc irq each ecc step.
+ */
+ if (ecc->caps->pg_irq_sel && config->mode == ECC_NFI_MODE)
+ reg_val |= ECC_PG_IRQ_SEL;
+ writew(reg_val, ecc->regs + ECC_IRQ_REG(op));
+ }
writew(ECC_OP_ENABLE, ecc->regs + ECC_CTL_REG(op));
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