The NFC command used for reading the result of a READID command to the NAND chip reads 6 bytes (in x8 mode) or 6 words (in x16 mode with the upper bytes all being 0). So there is no need to safe 16 bytes for later consumption. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> --- drivers/mtd/nand/nand_imx.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/nand_imx.c b/drivers/mtd/nand/nand_imx.c index 685750991389..00c05d00afe3 100644 --- a/drivers/mtd/nand/nand_imx.c +++ b/drivers/mtd/nand/nand_imx.c @@ -362,7 +362,11 @@ static void send_read_id_v3(struct imx_nand_host *host) wait_op_done(host); - memcpy(host->data_buf, host->main_area0, 16); + /* + * NFC_ID results in reading 6 bytes or words (depending on data width), + * so copying 3 32-bit values is just fine. + */ + memcpy(host->data_buf, host->main_area0, 12); } static void send_read_param_v3(struct imx_nand_host *host) -- 2.1.4 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
