diff options
Diffstat (limited to 'recipes-bsp/imx-kobs/imx-kobs/raw-mode.patch')
| -rw-r--r-- | recipes-bsp/imx-kobs/imx-kobs/raw-mode.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/recipes-bsp/imx-kobs/imx-kobs/raw-mode.patch b/recipes-bsp/imx-kobs/imx-kobs/raw-mode.patch deleted file mode 100644 index 76c2440..0000000 --- a/recipes-bsp/imx-kobs/imx-kobs/raw-mode.patch +++ /dev/null @@ -1,48 +0,0 @@ -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. - -Upstream-Status: Pending - ---- 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) { - |