diff options
| author |   Arnd Bergmann <arnd@arndb.de> | 2006-06-07 12:04:18 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2006-06-09 13:06:00 +1000 |
| commit | 133dda1e4f757e036fa838cba6804d0344931c4a (patch) | |
| tree | 1ca77025cb56fcacaee6f50501642784b568430e /arch/powerpc/platforms/pseries/setup.c | |
| parent | [PATCH] powerpc: Fix call to ibm,client-architecture-support (diff) | |
| download | linux-dev-133dda1e4f757e036fa838cba6804d0344931c4a.tar.xz linux-dev-133dda1e4f757e036fa838cba6804d0344931c4a.zip | |
[PATCH] powerpc: Fix cell blade detection
The IBM Cell blade firmware might confuse the kernel to think it's a
pSeries machine. This fixes it for now. With a bit of luck, the firmware
will be updated to avoid that in the future but currently that patch is
needed.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 5f79f01c44f2..3ba87835757e 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -389,6 +389,7 @@ static int __init pSeries_probe_hypertas(unsigned long node, static int __init pSeries_probe(void) { + unsigned long root = of_get_flat_dt_root(); char *dtype = of_get_flat_dt_prop(of_get_flat_dt_root(), "device_type", NULL); if (dtype == NULL) @@ -396,6 +397,13 @@ static int __init pSeries_probe(void) if (strcmp(dtype, "chrp")) return 0; + /* Cell blades firmware claims to be chrp while it's not. Until this + * is fixed, we need to avoid those here. + */ + if (of_flat_dt_is_compatible(root, "IBM,CPBW-1.0") || + of_flat_dt_is_compatible(root, "IBM,CBEA")) + return 0; + DBG("pSeries detected, looking for LPAR capability...\n"); /* Now try to figure out if we are running on LPAR */ |