Messages in this thread Patch in this message | | | From | fugang.duan@nxp ... | Subject | [PATCH nvmem 1/1] nvmem: imx: correct the fuse word index | Date | Thu, 4 Jul 2019 22:20:15 +0800 |
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From: Fugang Duan <fugang.duan@nxp.com>
iMX8 fuse word index represent as one 4-bytes word, it should not be divided by 4.
Exp: - MAC0 address layout in fuse: offset 708: MAC[3] MAC[2] MAC[1] MAC[0] offset 709: XX xx MAC[5] MAC[4]
Signed-off-by: Fugang Duan <fugang.duan@nxp.com> --- drivers/nvmem/imx-ocotp-scu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/nvmem/imx-ocotp-scu.c b/drivers/nvmem/imx-ocotp-scu.c index d9dc482..be2f5f0 100644 --- a/drivers/nvmem/imx-ocotp-scu.c +++ b/drivers/nvmem/imx-ocotp-scu.c @@ -71,8 +71,8 @@ static int imx_scu_ocotp_read(void *context, unsigned int offset, void *p; int i, ret; - index = offset >> 2; - num_bytes = round_up((offset % 4) + bytes, 4); + index = offset; + num_bytes = round_up(bytes, 4); count = num_bytes >> 2; if (count > (priv->data->nregs - index)) @@ -100,7 +100,7 @@ static int imx_scu_ocotp_read(void *context, unsigned int offset, buf++; } - memcpy(val, (u8 *)p + offset % 4, bytes); + memcpy(val, (u8 *)p, bytes); kfree(p); -- 2.7.4
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