mtd: spi-nor: fix the wrong dummy value

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / drivers / mtd / devices / m25p80.c

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index ed827cf..5d44825 100644 (file)
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -128,9 +128,12 @@ static int m25p80_read(struct spi_nor *nor, loff_t from, size_t len,
        struct spi_device *spi = flash->spi;
        struct spi_transfer t[2];
        struct spi_message m;
-       int dummy = nor->read_dummy;
+       unsigned int dummy = nor->read_dummy;
        int ret;
 
+       /* convert the dummy cycles to the number of bytes */
+       dummy /= 8;
+
        /* Wait till previous write/erase is done. */
        ret = nor->wait_till_ready(nor);
        if (ret)