diff options
| author |   Finn Thain <fthain@telegraphics.com.au> | 2018-07-02 04:21:19 -0400 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-07-31 19:56:42 +1000 |
| commit | 54c990775f78113a708f24e15877f6b7bd9a1277 (patch) | |
| tree | 792988c58db7653ee6dd8b84ff1eee67903df36a /drivers/macintosh | |
| parent | macintosh/via-pmu: Explicitly specify CONFIG_PPC_PMAC dependencies (diff) | |
| download | linux-dev-54c990775f78113a708f24e15877f6b7bd9a1277.tar.xz linux-dev-54c990775f78113a708f24e15877f6b7bd9a1277.zip | |
macintosh/via-pmu68k: Don't load driver on unsupported hardware
Don't load the via-pmu68k driver on early PowerBooks. The M50753 PMU
device found in those models was never supported by this driver.
Attempting to load the driver usually causes a boot hang.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Michael Schmitz <schmitzmic@gmail.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/macintosh')
| -rw-r--r-- | drivers/macintosh/via-pmu68k.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/macintosh/via-pmu68k.c b/drivers/macintosh/via-pmu68k.c index d545ed45e482..bec8e1837d7d 100644 --- a/drivers/macintosh/via-pmu68k.c +++ b/drivers/macintosh/via-pmu68k.c @@ -175,9 +175,6 @@ static s8 pmu_data_len[256][2] = { int __init find_via_pmu(void) { switch (macintosh_config->adb_type) { - case MAC_ADB_PB1: - pmu_kind = PMU_68K_V1; - break; case MAC_ADB_PB2: pmu_kind = PMU_68K_V2; break; @@ -785,7 +782,6 @@ pmu_enable_backlight(int on) /* first call: get current backlight value */ if (backlight_level < 0) { switch(pmu_kind) { - case PMU_68K_V1: case PMU_68K_V2: pmu_request(&req, NULL, 3, PMU_READ_NVRAM, 0x14, 0xe); while (!req.complete) |