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-rw-r--r--drivers/mtd/spi-nor/spi-nor.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index f8f36d47575f..ed0c19c558b5 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -481,6 +481,7 @@ static int stm_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)
int status_old, status_new;
u8 mask = SR_BP2 | SR_BP1 | SR_BP0;
u8 shift = ffs(mask) - 1, pow, val;
+ int ret;
status_old = read_sr(nor);
if (status_old < 0)
@@ -519,7 +520,10 @@ static int stm_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)
return -EINVAL;
write_enable(nor);
- return write_sr(nor, status_new);
+ ret = write_sr(nor, status_new);
+ if (ret)
+ return ret;
+ return spi_nor_wait_till_ready(nor);
}
/*
@@ -533,6 +537,7 @@ static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
int status_old, status_new;
u8 mask = SR_BP2 | SR_BP1 | SR_BP0;
u8 shift = ffs(mask) - 1, pow, val;
+ int ret;
status_old = read_sr(nor);
if (status_old < 0)
@@ -569,7 +574,10 @@ static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
return -EINVAL;
write_enable(nor);
- return write_sr(nor, status_new);
+ ret = write_sr(nor, status_new);
+ if (ret)
+ return ret;
+ return spi_nor_wait_till_ready(nor);
}
/*
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