From b24eaf5f23754cbfc80f3077440acaafc9551290 Mon Sep 17 00:00:00 2001 From: Tudor Ambarus Date: Sat, 2 Nov 2019 11:23:44 +0000 Subject: mtd: spi-nor: Print debug message when the read back test fails Demystify where the EIO error occurs. Signed-off-by: Tudor Ambarus Reviewed-by: Vignesh Raghavendra --- drivers/mtd/spi-nor/spi-nor.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/mtd') diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 4616eb4422a3..9960e09136ce 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -974,7 +974,12 @@ static int spi_nor_write_sr_and_check(struct spi_nor *nor, u8 status_new) if (ret) return ret; - return (nor->bouncebuf[0] != status_new) ? -EIO : 0; + if (nor->bouncebuf[0] != status_new) { + dev_dbg(nor->dev, "SR: read back test failed\n"); + return -EIO; + } + + return 0; } /** -- cgit