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m68k/mac: Don't hang waiting for Cuda power-down command

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Testing shows that the CUDA_POWERDOWN command never completes (for a
Centris 660av or LC 475, at least). So, don't wait for command completion
on those Cuda-based models that do not support soft power. Just proceed to
log the usual message, "It is now safe to turn off your Macintosh."

Reported-by: Stan Johnson <userm57@yahoo.com>
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Finn Thain 2017-08-12 17:11:02 +10:00 committed by Geert Uytterhoeven
parent 07144be9c1
commit 41e93a3087
1 changed files with 11 additions and 0 deletions
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11
arch/m68k/mac/misc.c
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@ -357,6 +357,17 @@ static void cuda_shutdown(void)
struct adb_request req; struct adb_request req;
if (cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN) < 0) if (cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN) < 0)
return; return;
/* Avoid infinite polling loop when PSU is not under Cuda control */
switch (macintosh_config->ident) {
case MAC_MODEL_C660:
case MAC_MODEL_Q605:
case MAC_MODEL_Q605_ACC:
case MAC_MODEL_P475:
case MAC_MODEL_P475F:
return;
}
while (!req.complete) while (!req.complete)
cuda_poll(); cuda_poll();
} }