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| author | Hubert Feurstein <hubert.feurstein@deto.at> | 2015-02-16 14:03:18 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-02-17 08:46:36 +0100 |
| commit | f52cf03aad13b49c6ff756610e7d3a777e8ee15e (patch) | |
| tree | 2b1979013592b90128e098430d947475ad3d9f1b | |
| parent | d3f4ae5614c4d5beeb5f469102a181af1cef70f7 (diff) | |
| download | barebox-f52cf03aad13b49c6ff756610e7d3a777e8ee15e.tar.gz barebox-f52cf03aad13b49c6ff756610e7d3a777e8ee15e.tar.xz | |
common/bootargs: add blkdevparts variables
The kernel command line option blkdevparts works like mtdparts, but for all
block devices. So it can be used for eMMC devices without the need of a
traditional partition table.
Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | common/bootargs.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/common/bootargs.c b/common/bootargs.c index 6624f72eb2..803736fc94 100644 --- a/common/bootargs.c +++ b/common/bootargs.c @@ -38,7 +38,7 @@ static int linux_bootargs_overwritten; */ const char *linux_bootargs_get(void) { - char *bootargs, *mtdparts; + char *bootargs, *parts; if (linux_bootargs_overwritten) return linux_bootargs; @@ -49,14 +49,21 @@ const char *linux_bootargs_get(void) if (!strlen(bootargs)) return getenv("bootargs"); - mtdparts = globalvar_get_match("linux.mtdparts.", ";"); + linux_bootargs = bootargs; - if (strlen(mtdparts)) { - linux_bootargs = asprintf("%s mtdparts=%s", bootargs, mtdparts); - free(bootargs); - free(mtdparts); - } else { - free(mtdparts); + parts = globalvar_get_match("linux.mtdparts.", ";"); + if (strlen(parts)) { + bootargs = asprintf("%s mtdparts=%s", linux_bootargs, parts); + free(linux_bootargs); + free(parts); + linux_bootargs = bootargs; + } + + parts = globalvar_get_match("linux.blkdevparts.", ";"); + if (strlen(parts)) { + bootargs = asprintf("%s blkdevparts=%s", linux_bootargs, parts); + free(linux_bootargs); + free(parts); linux_bootargs = bootargs; } @@ -78,3 +85,4 @@ int linux_bootargs_overwrite(const char *bootargs) BAREBOX_MAGICVAR_NAMED(global_linux_bootargs_, global.linux.bootargs.*, "Linux bootargs variables"); BAREBOX_MAGICVAR_NAMED(global_linux_mtdparts_, global.linux.mtdparts.*, "Linux mtdparts variables"); +BAREBOX_MAGICVAR_NAMED(global_linux_blkdevparts_, global.linux.blkdevparts.*, "Linux blkdevparts variables"); |