diff options
| author | John Crispin <blogic@openwrt.org> | 2012-05-05 15:41:42 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-05-21 14:31:55 +0100 |
| commit | fa09eded0e3764ddb8a97440f5b5c5e65e413b6a (patch) | |
| tree | f0c018c8ac12a017bf21c2cd808794142bcafa4f /drivers | |
| parent | 02fa961fbf1c79783781cb8967b80ceaa8be4832 (diff) | |
MTD: MIPS: lantiq: verify that the NOR interface is available on falcon soc
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/maps/lantiq-flash.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c index aefa1112167..c03456f1700 100644 --- a/drivers/mtd/maps/lantiq-flash.c +++ b/drivers/mtd/maps/lantiq-flash.c @@ -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); |