901-mtd-bcm47xxpart-workaround-for-Asus-RT-AC87U-asus-pa.patch 1.3 KB

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  1. From 21500872c1dba33848ddcf6bea97d58772675d36 Mon Sep 17 00:00:00 2001
  2. From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
  3. Date: Sun, 17 May 2015 14:00:52 +0200
  4. Subject: [PATCH] mtd: bcm47xxpart: workaround for Asus RT-AC87U "asus"
  5. partition
  6. MIME-Version: 1.0
  7. Content-Type: text/plain; charset=UTF-8
  8. Content-Transfer-Encoding: 8bit
  9. Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  10. ---
  11. drivers/mtd/bcm47xxpart.c | 12 ++++++++++++
  12. 1 file changed, 12 insertions(+)
  13. --- a/drivers/mtd/bcm47xxpart.c
  14. +++ b/drivers/mtd/bcm47xxpart.c
  15. @@ -14,6 +14,7 @@
  16. #include <linux/slab.h>
  17. #include <linux/mtd/mtd.h>
  18. #include <linux/mtd/partitions.h>
  19. +#include <linux/of.h>
  20. #include <uapi/linux/magic.h>
  21. @@ -159,6 +160,17 @@ static int bcm47xxpart_parse(struct mtd_
  22. break;
  23. }
  24. + /*
  25. + * Ugly workaround for Asus RT-AC87U and its "asus" partition.
  26. + * It uses JFFS2 which we don't (want to) detect. We should
  27. + * probably use DT to define partitions but we need a working
  28. + * TRX firmware splitter first.
  29. + */
  30. + if (of_machine_is_compatible("asus,rt-ac87u") && offset == 0x7ec0000) {
  31. + bcm47xxpart_add_part(&parts[curr_part++], "asus", offset, MTD_WRITEABLE);
  32. + continue;
  33. + }
  34. +
  35. /* Read beginning of the block */
  36. err = mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ,
  37. &bytes_read, (uint8_t *)buf);