[PATCH] ath10k: Disable PCI PS for QCA988X and QCA99X0
kvalo at qca.qualcomm.com
Mon Oct 19 07:40:40 PDT 2015
<akolli at qti.qualcomm.com> writes:
> From: Anilkumar Kolli <akolli at qti.qualcomm.com>
> This patch disables PCI PS for QCA988X and QCA99X0, Since PCI PS is
> validated for QCA6174, let it be enabled only for QCA6174. It would be
> better to execute PCI PS related functions only for the supported devices.
> PCI time out issue is observed with QCA99X0 on x86 platform, We will
> disable PCI PS for QCA988X and QCA99X0 until PCI PS is properly implemented.
> Taking and releasing ps_lock is causing higher CPU consumption. Michal Kazior
> suggested ps_lock overhead to be reworked so that ath10k_pci_wake/sleep
> functions are called less often, i.e. move the powersave logic up (only during
> irq handling, tx path, submitting fw commands).
> Signed-off-by: Anilkumar Kolli <akolli at qti.qualcomm.com>
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