ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/package/boot/kobs-ng/patches/003-raw-mode.patch b/package/boot/kobs-ng/patches/003-raw-mode.patch
new file mode 100644
index 0000000..5a3be5f
--- /dev/null
+++ b/package/boot/kobs-ng/patches/003-raw-mode.patch
@@ -0,0 +1,45 @@
+The downstream Freescale vendor kernel has a patch that allows determining
+if raw NAND flash mode is provided via a debugfs file. This is not present
+in upstream kernels, but the raw access support was added in the 3.19
+kernel, so we will check the kernel version if we can't find the file.
+--- a/src/mtd.c
++++ b/src/mtd.c
+@@ -34,6 +34,7 @@
+ #include <errno.h>
+ #include <sys/types.h>
+ #include <sys/ioctl.h>
++#include <sys/utsname.h>
+
+ #include "mtd.h"
+ #include "rand.h"
+@@ -808,15 +809,27 @@ struct mtd_data *mtd_open(const struct m
+ md->cfg = *cfg;
+
+ /* check if use new raw access mode */
++ /* by looking for debugfs from fsl patch */
++ md->raw_mode_flag = 0;
+ fp = fopen("/sys/kernel/debug/gpmi-nand/raw_mode", "r");
+ if (!fp) {
+- md->raw_mode_flag = 0;
+- vp(md, "mtd: use legacy raw access mode\n");
++ /* fallback to kernel version: raw access added in 3.19 */
++ struct utsname uts;
++ if (!uname(&uts)) {
++ int major = 0, minor = 0;
++ sscanf(uts.release, "%d.%d", &major, &minor);
++ vp(md, "mtd: Linux %d.%d\n", major, minor);
++ if ((major << 8 | minor) > (3 << 8 | 18))
++ md->raw_mode_flag = 1;
++ }
+ } else {
+ fclose(fp);
+ md->raw_mode_flag = 1;
+- vp(md, "mtd: use new bch layout raw access mode\n");
+ }
++ if (md->raw_mode_flag)
++ vp(md, "mtd: use new bch layout raw access mode\n");
++ else
++ vp(md, "mtd: use legacy raw access mode\n");
+
+ if (plat_config_data->m_u32UseMultiBootArea) {
+