brcm47xx: add initial support for kernel 3.8

[openwrt/svn-archive/archive.git] / target / linux / brcm47xx / patches-3.8 / 021-mtd-bcm47xxpart-register-extra-firmware-partition.patch

diff --git a/target/linux/brcm47xx/patches-3.8/021-mtd-bcm47xxpart-register-extra-firmware-partition.patch b/target/linux/brcm47xx/patches-3.8/021-mtd-bcm47xxpart-register-extra-firmware-partition.patch
new file mode 100644 (file)
index 0000000..c5399f2
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.8/021-mtd-bcm47xxpart-register-extra-firmware-partition.patch
@@ -0,0 +1,41 @@
+--- a/drivers/mtd/bcm47xxpart.c
++++ b/drivers/mtd/bcm47xxpart.c
+@@ -61,6 +61,8 @@ static int bcm47xxpart_parse(struct mtd_
+       uint32_t offset;
+       uint32_t blocksize = 0x10000;
+       struct trx_header *trx;
++      int trx_part = -1;
++      int last_trx_part = -1;
+ 
+       /* Alloc */
+       parts = kzalloc(sizeof(struct mtd_partition) * BCM47XXPART_MAX_PARTS,
+@@ -131,6 +133,10 @@ static int bcm47xxpart_parse(struct mtd_
+               if (buf[0x000 / 4] == TRX_MAGIC) {
+                       trx = (struct trx_header *)buf;
+ 
++                      trx_part = curr_part;
++                      bcm47xxpart_add_part(&parts[curr_part++], "firmware",
++                                           offset, 0);
++
+                       i = 0;
+                       /* We have LZMA loader if offset[2] points to sth */
+                       if (trx->offset[2]) {
+@@ -154,6 +160,8 @@ static int bcm47xxpart_parse(struct mtd_
+                                            offset + trx->offset[i], 0);
+                       i++;
+ 
++                      last_trx_part = curr_part - 1;
++
+                       /*
+                        * We have whole TRX scanned, skip to the next part. Use
+                        * roundown (not roundup), as the loop will increase
+@@ -174,6 +182,9 @@ static int bcm47xxpart_parse(struct mtd_
+                                      parts[i + 1].offset : master->size;
+ 
+               parts[i].size = next_part_offset - parts[i].offset;
++              if (i == last_trx_part && trx_part >= 0)
++                      parts[trx_part].size = next_part_offset -
++                                             parts[trx_part].offset;
+       }
+ 
+       *pparts = parts;