Hi Andreas,

Am 09.06.2018 um 19:14 schrieb Andreas Schwab:
On Jun 09 2018, Michael Schmitz <schmitz...@gmail.com> wrote:

Hi Finn,

Am 08.06.2018 um 14:24 schrieb Finn Thain:
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.

Cc: Geert Uytterhoeven <ge...@linux-m68k.org>
Signed-off-by: Finn Thain <fth...@telegraphics.com.au>
---
 arch/m68k/mac/misc.c           | 6 ++----
 drivers/macintosh/via-pmu68k.c | 4 ----
 include/uapi/linux/pmu.h       | 1 -
 3 files changed, 2 insertions(+), 9 deletions(-)
...
diff --git a/include/uapi/linux/pmu.h b/include/uapi/linux/pmu.h
index 89cb1acea93a..30f64d46f5db 100644
--- a/include/uapi/linux/pmu.h
+++ b/include/uapi/linux/pmu.h
@@ -93,7 +93,6 @@ enum {
        PMU_HEATHROW_BASED,     /* PowerBook G3 series */
        PMU_PADDINGTON_BASED,   /* 1999 PowerBook G3 */
        PMU_KEYLARGO_BASED,     /* Core99 motherboard (PMU99) */
-       PMU_68K_V1,             /* 68K PMU, version 1 */
        PMU_68K_V2,             /* 68K PMU, version 2 */
 };

Is this enum used by any user space code? If so, perhaps rather leave the
PMU_68K_V1 in there to avoid upsetting that?

It also changes the value of PMU_68K_V2, which is an ABI break.

Yes, that's what I worry about - but do we know of any users of that particular interface?

Cheers,

        Michael


Andreas.

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