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@xxxxxxxxxxx>
Cc: linux-mtd@xxxxxxxxxxxxxxxxxxx
---
This patch is part of a series moving the mips/lantiq target to OF and clkdev
support. The patch, once Acked, should go upstream via Ralf's MIPS tree.
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 aefa111..c03456f 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);
--
1.7.9.1
