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Revert "dmaengine: qcom_hidma: Check for driver register failure"

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[ Upstream commit 43ed0fcf61 ]

This reverts commit a474b3f042.

Because of recent interactions with developers from @umn.edu, all
commits from them have been recently re-reviewed to ensure if they were
correct or not.

Upon review, this commit was found to be incorrect for the reasons
below, so it must be reverted.  It will be fixed up "correctly" in a
later kernel change.

The original change is NOT correct, as it does not correctly unwind from
the resources that was allocated before the call to
platform_driver_register().

Cc: Aditya Pakki <pakki001@umn.edu>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-By: Sinan Kaya <okaya@kernel.org>
Link: https://lore.kernel.org/r/20210503115736.2104747-51-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Greg Kroah-Hartman 2021-05-03 13:57:17 +02:00
commit 611640b63a
1 changed files with 2 additions and 1 deletions
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3
drivers/dma/qcom/hidma_mgmt.c
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@ -418,8 +418,9 @@ static int __init hidma_mgmt_init(void)
hidma_mgmt_of_populate_channels(child);
}
#endif
return platform_driver_register(&hidma_mgmt_driver);
platform_driver_register(&hidma_mgmt_driver);
return 0;
}
module_init(hidma_mgmt_init);
MODULE_LICENSE("GPL v2");