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MTD: MIPS: lantiq: verify that the NOR interface is available on falcon soc

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When running on a FALC-ON SoC, we need to check the bootstrap options to see
if NOR is available.

Signed-off-by: John Crispin <blogic@openwrt.org>
Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: linux-mtd@lists.infradead.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3815/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
John Crispin 2012-05-05 15:41:42 +02:00 committed by Ralf Baechle
parent 02fa961fbf
commit fa09eded0e
1 changed files with 7 additions and 0 deletions
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7
drivers/mtd/maps/lantiq-flash.c
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@ -19,6 +19,7 @@
#include <linux/mtd/cfi.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/of.h>
#include <lantiq_soc.h>
@ -116,6 +117,12 @@ ltq_mtd_probe(struct platform_device *pdev)
struct cfi_private *cfi;
int err;
if (of_machine_is_compatible("lantiq,falcon") &&
(ltq_boot_select() != BS_FLASH)) {
dev_err(&pdev->dev, "invalid bootstrap options\n");
return -ENODEV;
}
ltq_mtd = kzalloc(sizeof(struct ltq_mtd), GFP_KERNEL);
platform_set_drvdata(pdev, ltq_mtd);