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From 4e2a4dcadb70985e86d9cebfca308891be377510 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Thu, 7 Aug 2014 18:57:30 +0200
Subject: [PATCH 19/31] MTD: lantiq: Makes the Lantiq flash driver try jedec
probing if cfi probing fails.
(Based on work by Simon Hayes first published on www.psidoc.com and
http://sourceforge.net/projects/hh2b4ever/)
Signed-off-by: Ben Mulvihill <ben.mulvihill@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
---
drivers/mtd/maps/lantiq-flash.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c
index 710d699..dd1e853 100644
--- a/drivers/mtd/maps/lantiq-flash.c
+++ b/drivers/mtd/maps/lantiq-flash.c
@@ -117,6 +117,11 @@ ltq_mtd_probe(struct platform_device *pdev)
struct cfi_private *cfi;
int err;
+ static const char *rom_probe_types[] = {
+ "cfi_probe", "jedec_probe", NULL
+ };
+ const char **type;
+
if (of_machine_is_compatible("lantiq,falcon") &&
(ltq_boot_select() != BS_FLASH)) {
dev_err(&pdev->dev, "invalid bootstrap options\n");
@@ -158,7 +163,10 @@ ltq_mtd_probe(struct platform_device *pdev)
ltq_mtd->map->copy_to = ltq_copy_to;
ltq_mtd->map->map_priv_1 = LTQ_NOR_PROBING;
- ltq_mtd->mtd = do_map_probe("cfi_probe", ltq_mtd->map);
+
+ for (type = rom_probe_types; !ltq_mtd->mtd && *type; type++)
+ ltq_mtd->mtd = do_map_probe(*type, ltq_mtd->map);
+
ltq_mtd->map->map_priv_1 = LTQ_NOR_NORMAL;
if (!ltq_mtd->mtd) {
--
1.7.10.4
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