[PATCH] m25p80: wait for flash before returning after erase
From: Eric Bénard <hidden>
Date: 2012-08-28 21:58:17
Subsystem:
the rest · Maintainer:
Linus Torvalds
else when we do "erase /dev/m25p0.rootfs; reset", the board will never reboot as the flash is busy to finish the erase command. Signed-off-by: Eric Bénard <redacted> --- drivers/nor/m25p80.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/nor/m25p80.c b/drivers/nor/m25p80.c
index daaf60c..5713ad5 100644
--- a/drivers/nor/m25p80.c
+++ b/drivers/nor/m25p80.c@@ -257,6 +257,9 @@ static ssize_t m25p80_erase(struct cdev *cdev, size_t count, loff_t offset) } } + if (wait_till_ready(flash)) + return -ETIMEDOUT; + return 0; }
@@ -684,7 +687,6 @@ static const struct spi_device_id *jedec_probe(struct spi_device *spi) return NULL; } - static struct file_operations m25p80_ops = { .read = m25p80_read, .write = m25p80_write,
--
1.7.7.6
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