staging: vc04_services: Drop VCHIQ_ERROR usage

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Drop the usage of VCHIQ_ERROR vchiq_status enum type. Replace it with
-EINVAL to report the error in most cases, -ENOMEM for out-of-memory
errors and -EHOSTDOWN for service shutdown.

This patch acts as intermediatory to address the TODO item:
    * Get rid of custom function return values
for vc04_services/interface.

Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/20221223122404.170585-4-umang.jain@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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This commit is contained in:

Umang Jain 2022-12-23 17:54:00 +05:30 • committed by Greg Kroah-Hartman

parent 3414994ba8

commit ab73dc8532

4 changed files with 37 additions and 38 deletions

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1

drivers/staging/vc04_services/include/linux/raspberrypi/vchiq.h

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24

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c

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44

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c

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6

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c

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