image_types_fsl.bbclass: avoid use of 'sed' to change partition type

The 'sed' might fail in some systems due user right and restrictions
so we use 'dd' and 'echo' to do the same trick.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reported-by: "John Passaniti" <jpassaniti@ashly.com>

diff --git a/meta-fsl-arm/classes/image_types_fsl.bbclass b/meta-fsl-arm/classes/image_types_fsl.bbclass
index 5d213e51a04ae69788f504d9c1a7545df0ac6bc3..a6248f9368024d7e50f0ea09e68dc56b8f29555f 100644 (file)
--- a/meta-fsl-arm/classes/image_types_fsl.bbclass
+++ b/meta-fsl-arm/classes/image_types_fsl.bbclass
@@ -66,7 +66,7 @@ IMAGE_CMD_sdcard () {
        # Change partition type for mxs processor family
        if [ "${SOC_FAMILY}" = "mxs" ]; then
                bbnote "Setting partition type to 0x53 as required for mxs' SoC family."
-               sed -i 's,.,\x53,450' ${SDCARD}
+               echo -n S | dd of=${SDCARD} bs=1 count=1 seek=450 conv=notrunc
        fi
 
        case "${IMAGE_BOOTLOADER}" in