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1f991bb365
I tested this on a WRT54GS and a WRT610N V1. The WRT610N does not boot when the kernel is too big, so I deactivated KALLSYMS Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
35 lines
1.0 KiB
Diff
35 lines
1.0 KiB
Diff
--- a/drivers/mtd/bcm47xxpart.c
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+++ b/drivers/mtd/bcm47xxpart.c
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@@ -102,6 +102,7 @@ static int bcm47xxpart_parse(struct mtd_
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int trx_num = 0; /* Number of found TRX partitions */
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int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
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int err;
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+ bool found_nvram = false;
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/*
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* Some really old flashes (like AT45DB*) had smaller erasesize-s, but
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@@ -269,12 +270,23 @@ static int bcm47xxpart_parse(struct mtd_
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if (buf[0] == NVRAM_HEADER) {
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bcm47xxpart_add_part(&parts[curr_part++], "nvram",
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master->size - blocksize, 0);
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+ found_nvram = true;
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break;
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}
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}
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kfree(buf);
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+ if (!found_nvram) {
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+ pr_err("can not find a nvram partition reserve last block\n");
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+ bcm47xxpart_add_part(&parts[curr_part++], "nvram_guess",
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+ master->size - blocksize * 2, MTD_WRITEABLE);
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+ for (i = 0; i < curr_part; i++) {
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+ if (parts[i].size + parts[i].offset == master->size)
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+ parts[i].offset -= blocksize * 2;
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+ }
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+ }
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+
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/*
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* Assume that partitions end at the beginning of the one they are
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* followed by.
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