Changelog:
v4: Fixed a bug where the wrong pointer was sent to component_match_add() and
component_master_add_with_match() in the armada_drv.c file that was flagged
by kbuild test robot. Dropped the RFC tag and added Acked-bys received from
Russell King.
v3: Removed the call to dma_set_coherent_mask() from the generic
drm_of_component_probe(). Also changes to shorten lines over 80 chars long.
v2: Rebased the patchset on top of drm-next rather than Linus' latest -rc
A few drivers in drivers/gpu/drm are component-enabled and use quite similar
code sequences to probe for their encoder slaves at the remote end of the ports.
Move the code into a "generic" function and remove it from the drivers.
The end results is that drivers get a reference count fix (imx), more thorough
error checking (imx again) plus a decrease in the overall count of LoC.
I'm looking for comments and testing of the patchset (only compile tested from my
end as I don't have access to all the devices touched by the changes). My main
interest is in finding out if -EINVAL is the correct code to return if
dev->of_node == NULL (handy now, as it is different from the other possible error
codes and used in armada to trigger old platform_data support. Also looking for
thoughts on the correctness of the patch and if it possible to co-opt more drivers
into using the function.
Best regards,
Liviu
Liviu Dudau (4):
drm: Introduce generic probe function for component based masters.
drm/imx: Convert the probe function to the generic drm_of_component_probe()
drm/rockchip: Convert the probe function to the generic drm_of_component_probe()
drm/armada: Convert the probe function to the generic drm_of_component_probe()
drivers/gpu/drm/armada/armada_drv.c | 68 +++++++---------------
drivers/gpu/drm/drm_of.c | 88 +++++++++++++++++++++++++++++
drivers/gpu/drm/imx/imx-drm-core.c | 55 ++----------------
drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 81 ++------------------------
include/drm/drm_of.h | 13 +++++
5 files changed, 130 insertions(+), 175 deletions(-)
--
2.6.0
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