openwrt/target/linux/ath25/patches-5.4/140-redboot_boardconfig.patch
Hauke Mehrtens bcaabe6d05 kernel: bump 5.4 to 5.4.211
Similar version was upstreamed:
 bcm27xx/patches-5.4/950-0392-tty-amba-pl011-Add-un-throttle-support.patch

Manually adapted:
 ipq806x/patches-5.4/0063-2-tsens-support-configurable-interrupts.patch
 layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch

Compile-tested: x86/64
Run-tested: x86/64

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2022-09-04 15:32:22 +02:00

61 lines
1.8 KiB
Diff

--- a/drivers/mtd/parsers/redboot.c
+++ b/drivers/mtd/parsers/redboot.c
@@ -16,6 +16,8 @@
#include <linux/mtd/partitions.h>
#include <linux/module.h>
+#define BOARD_CONFIG_PART "boardconfig"
+
struct fis_image_desc {
unsigned char name[16]; // Null terminated name
uint32_t flash_base; // Address within FLASH of image
@@ -73,6 +75,7 @@ static int parse_redboot_partitions(stru
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
{
+ unsigned long max_offset = 0;
int nrparts = 0;
struct fis_image_desc *buf;
struct mtd_partition *parts;
@@ -240,14 +243,15 @@ static int parse_redboot_partitions(stru
}
}
#endif
- parts = kzalloc(sizeof(*parts)*nrparts + nulllen + namelen, GFP_KERNEL);
+ parts = kzalloc(sizeof(*parts) * (nrparts + 1) + nulllen + namelen +
+ sizeof(BOARD_CONFIG_PART), GFP_KERNEL);
if (!parts) {
ret = -ENOMEM;
goto out;
}
- nullname = (char *)&parts[nrparts];
+ nullname = (char *)&parts[nrparts + 1];
#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
if (nulllen > 0) {
strcpy(nullname, nullstring);
@@ -266,6 +270,8 @@ static int parse_redboot_partitions(stru
}
#endif
for ( ; i<nrparts; i++) {
+ if (max_offset < buf[i].flash_base + buf[i].size)
+ max_offset = buf[i].flash_base + buf[i].size;
parts[i].size = fl->img->size;
parts[i].offset = fl->img->flash_base;
parts[i].name = names;
@@ -299,6 +305,13 @@ static int parse_redboot_partitions(stru
fl = fl->next;
kfree(tmp_fl);
}
+ if (master->size - max_offset >= master->erasesize) {
+ parts[nrparts].size = master->size - max_offset;
+ parts[nrparts].offset = max_offset;
+ parts[nrparts].name = names;
+ strcpy(names, BOARD_CONFIG_PART);
+ nrparts++;
+ }
ret = nrparts;
*pparts = parts;
out: