diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/1239-mtd-extend-physmap_of-to-let-the-device-tree-specify.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/1239-mtd-extend-physmap_of-to-let-the-device-tree-specify.patch | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/target/linux/layerscape/patches-4.4/1239-mtd-extend-physmap_of-to-let-the-device-tree-specify.patch b/target/linux/layerscape/patches-4.4/1239-mtd-extend-physmap_of-to-let-the-device-tree-specify.patch deleted file mode 100644 index 0fdbb7ea38..0000000000 --- a/target/linux/layerscape/patches-4.4/1239-mtd-extend-physmap_of-to-let-the-device-tree-specify.patch +++ /dev/null @@ -1,85 +0,0 @@ -From 6b54054c4053215fe4add195c67daca9a466ba92 Mon Sep 17 00:00:00 2001 -From: "ying.zhang" <ying.zhang22455@nxp.com> -Date: Fri, 23 Dec 2016 22:21:22 +0800 -Subject: [PATCH] mtd: extend physmap_of to let the device tree specify the - parition probe - -This is to support custom partitioning schemes for embedded PPC. To use -define your own mtd_part_parser and then add something like: - linux,part-probe = "my_probe", "cmdlinepart"; - To the board's dts file. - -If linux,part-probe is not specified then this behaves the same as before. - -Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> -Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> ---- - drivers/mtd/maps/physmap_of.c | 46 ++++++++++++++++++++++++++++++++++++++++- - 1 file changed, 45 insertions(+), 1 deletion(-) - ---- a/drivers/mtd/maps/physmap_of.c -+++ b/drivers/mtd/maps/physmap_of.c -@@ -112,9 +112,47 @@ static struct mtd_info *obsolete_probe(s - static const char * const part_probe_types_def[] = { - "cmdlinepart", "RedBoot", "ofpart", "ofoldpart", NULL }; - -+static const char * const *of_get_probes(struct device_node *dp) -+{ -+ const char *cp; -+ int cplen; -+ unsigned int l; -+ unsigned int count; -+ const char **res; -+ -+ cp = of_get_property(dp, "linux,part-probe", &cplen); -+ if (cp == NULL) -+ return part_probe_types_def; -+ -+ count = 0; -+ for (l = 0; l != cplen; l++) -+ if (cp[l] == 0) -+ count++; -+ -+ res = kzalloc((count + 1)*sizeof(*res), GFP_KERNEL); -+ if (!res) -+ return NULL; -+ count = 0; -+ while (cplen > 0) { -+ res[count] = cp; -+ l = strlen(cp) + 1; -+ cp += l; -+ cplen -= l; -+ count++; -+ } -+ return res; -+} -+ -+static void of_free_probes(const char * const *probes) -+{ -+ if (probes != part_probe_types_def) -+ kfree(probes); -+} -+ - static const struct of_device_id of_flash_match[]; - static int of_flash_probe(struct platform_device *dev) - { -+ const char * const *part_probe_types; - const struct of_device_id *match; - struct device_node *dp = dev->dev.of_node; - struct resource res; -@@ -273,8 +311,14 @@ static int of_flash_probe(struct platfor - goto err_out; - - ppdata.of_node = dp; -- mtd_device_parse_register(info->cmtd, part_probe_types_def, &ppdata, -+ part_probe_types = of_get_probes(dp); -+ if (!part_probe_types) { -+ err = -ENOMEM; -+ goto err_out; -+ } -+ mtd_device_parse_register(info->cmtd, part_probe_types, &ppdata, - NULL, 0); -+ of_free_probes(part_probe_types); - - kfree(mtd_list); - |