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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-04-09 16:14:55 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-04-28 11:49:01 +0200 |
| commit | 3781d93b06fddd9a5522e7ea7412e17693ece45c (patch) | |
| tree | 526cbe31c39b322c72d713d7416888262c1e9b5c /drivers/of/barebox.c | |
| parent | 1a8800458bd12febff981fadc86b2cdf0abaf827 (diff) | |
| download | barebox-3781d93b06fddd9a5522e7ea7412e17693ece45c.tar.gz barebox-3781d93b06fddd9a5522e7ea7412e17693ece45c.tar.xz | |
OF: barebox-env: Use bb device on NAND
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/of/barebox.c')
| -rw-r--r-- | drivers/of/barebox.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/of/barebox.c b/drivers/of/barebox.c index 44ec820ec5..8c05924be3 100644 --- a/drivers/of/barebox.c +++ b/drivers/of/barebox.c @@ -24,6 +24,7 @@ #include <malloc.h> #include <partition.h> #include <envfs.h> +#include <linux/mtd/mtd.h> struct of_partition { struct list_head list; @@ -57,6 +58,24 @@ static int environment_probe(struct device_d *dev) if (ret) return ret; + /* + * The environment support is not bad block aware, hence we + * have to use the .bb device. Test if we have a nand device + * and if yes, append .bb to the filename. + */ + if (!strncmp(path, "/dev/", 5)) { + struct cdev *cdev; + char *cdevname; + + cdevname = path + 5; + cdev = cdev_by_name(cdevname); + if (cdev && cdev->mtd && mtd_can_have_bb(cdev->mtd)) { + char *bbpath = asprintf("%s.bb", path); + free(path); + path = bbpath; + } + } + dev_info(dev, "setting default environment path to %s\n", path); default_environment_path_set(path); |