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47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
From 11180582ca6efdff86314ae4514e9df3d34a6475 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Thu, 7 Aug 2014 18:57:30 +0200
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Subject: [PATCH 21/36] MTD: lantiq: Makes the Lantiq flash driver try jedec
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probing if cfi probing fails.
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(Based on work by Simon Hayes first published on www.psidoc.com and
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http://sourceforge.net/projects/hh2b4ever/)
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Signed-off-by: Ben Mulvihill <ben.mulvihill@gmail.com>
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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drivers/mtd/maps/lantiq-flash.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c
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index 710d699..dd1e853 100644
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--- a/drivers/mtd/maps/lantiq-flash.c
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+++ b/drivers/mtd/maps/lantiq-flash.c
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@@ -117,6 +117,11 @@ ltq_mtd_probe(struct platform_device *pdev)
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struct cfi_private *cfi;
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int err;
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+ static const char *rom_probe_types[] = {
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+ "cfi_probe", "jedec_probe", NULL
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+ };
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+ const char **type;
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+
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if (of_machine_is_compatible("lantiq,falcon") &&
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(ltq_boot_select() != BS_FLASH)) {
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dev_err(&pdev->dev, "invalid bootstrap options\n");
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@@ -158,7 +163,10 @@ ltq_mtd_probe(struct platform_device *pdev)
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ltq_mtd->map->copy_to = ltq_copy_to;
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ltq_mtd->map->map_priv_1 = LTQ_NOR_PROBING;
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- ltq_mtd->mtd = do_map_probe("cfi_probe", ltq_mtd->map);
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+
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+ for (type = rom_probe_types; !ltq_mtd->mtd && *type; type++)
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+ ltq_mtd->mtd = do_map_probe(*type, ltq_mtd->map);
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+
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ltq_mtd->map->map_priv_1 = LTQ_NOR_NORMAL;
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if (!ltq_mtd->mtd) {
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--
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1.7.10.4
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