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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH] mtd: bcm47xxpart: add device specific workarounds
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/of.h>
#include <uapi/linux/magic.h>
@@ -159,6 +160,28 @@ static int bcm47xxpart_parse(struct mtd_
break;
}
+ /*
+ * Device specific workarounds (hacks). We should use DT to
+ * define partitions but we need a working TRX firmware splitter
+ * first.
+ */
+ if (of_machine_is_compatible("asus,rt-ac87u") && offset == 0x7ec0000) {
+ /*
+ * "asus" partition uses JFFS2 which we don't detect and
+ * we don't want to as this could affect other devices.
+ */
+ bcm47xxpart_add_part(&parts[curr_part++], "asus", offset, MTD_WRITEABLE);
+ continue;
+ } else if (of_machine_is_compatible("tplink,archer-c9-v1") && offset == 0xe40000) {
+ /*
+ * There is a whole set of partitions (not even listed
+ * by original firmware): "default-mac", "pin",
+ * "partition-table", etc.
+ */
+ bcm47xxpart_add_part(&parts[curr_part++], "tplink", offset, MTD_WRITEABLE);
+ continue;
+ }
+
/* Read beginning of the block */
err = mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ,
&bytes_read, (uint8_t *)buf);
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