49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Subject: [PATCH] mtd: bcm47xxpart: add device specific workarounds
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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--- a/drivers/mtd/bcm47xxpart.c
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+++ b/drivers/mtd/bcm47xxpart.c
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@@ -15,6 +15,7 @@
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#include <linux/slab.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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+#include <linux/of.h>
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#include <uapi/linux/magic.h>
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@@ -249,6 +250,28 @@ static int bcm47xxpart_parse(struct mtd_
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break;
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}
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+ /*
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+ * Device specific workarounds (hacks). We should use DT to
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+ * define partitions but we need a working TRX firmware splitter
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+ * first.
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+ */
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+ if (of_machine_is_compatible("asus,rt-ac87u") && offset == 0x7ec0000) {
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+ /*
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+ * "asus" partition uses JFFS2 which we don't detect and
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+ * we don't want to as this could affect other devices.
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+ */
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+ bcm47xxpart_add_part(&parts[curr_part++], "asus", offset, MTD_WRITEABLE);
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+ continue;
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+ } else if (of_machine_is_compatible("tplink,archer-c9-v1") && offset == 0xe40000) {
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+ /*
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+ * There is a whole set of partitions (not even listed
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+ * by original firmware): "default-mac", "pin",
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+ * "partition-table", etc.
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+ */
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+ bcm47xxpart_add_part(&parts[curr_part++], "tplink", offset, MTD_WRITEABLE);
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+ continue;
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+ }
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+
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/* Read beginning of the block */
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err = mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ,
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&bytes_read, (uint8_t *)buf);
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