target/linux/lantiq/patches-3.10/0105-mips-lantiq-flash-add-jedec-probe.patch

   1 Makes the Lantiq flash driver try jedec probing if cfi probing fails.
   2
   3 (Based on work by Simon Hayes first published on www.psidoc.com and
   4 http://sourceforge.net/projects/hh2b4ever/)
   5
   6 Signed-off-by: Ben Mulvihill <ben.mulvihill@gmail.com>
   7
   8 ---
   9  lantiq-flash.c |   11 ++++++++++-
  10  1 file changed, 10 insertions(+), 1 deletion(-)
  11
  12 --- a/drivers/mtd/maps/lantiq-flash.c   2014-03-23 09:18:25.099370216 +0100
  13 +++ b/drivers/mtd/maps/lantiq-flash.c   2014-03-19 17:19:45.732111306 +0100
  14 @@ -117,6 +117,11 @@ ltq_mtd_probe(struct platform_device *pd
  15         struct cfi_private *cfi;
  16         int err;
  17
  18 +       static const char *rom_probe_types[] = {
  19 +               "cfi_probe", "jedec_probe", NULL
  20 +       };
  21 +       const char **type;
  22 +
  23         if (of_machine_is_compatible("lantiq,falcon") &&
  24                         (ltq_boot_select() != BS_FLASH)) {
  25                 dev_err(&pdev->dev, "invalid bootstrap options\n");
  26 @@ -154,7 +159,11 @@ ltq_mtd_probe(struct platform_device *pd
  27         ltq_mtd->map->copy_to = ltq_copy_to;
  28
  29         ltq_mtd->map->map_priv_1 = LTQ_NOR_PROBING;
  30 -       ltq_mtd->mtd = do_map_probe("cfi_probe", ltq_mtd->map);
  31 +
  32 +       for (type = rom_probe_types; !ltq_mtd->mtd && *type; type++) {
  33 +               ltq_mtd->mtd = do_map_probe(*type, ltq_mtd->map);
  34 +       }
  35 +
  36         ltq_mtd->map->map_priv_1 = LTQ_NOR_NORMAL;
  37
  38         if (!ltq_mtd->mtd) {