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rtw88: pci: enable MSI interrupt

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MSI interrupt should be enabled on certain platform.

Add a module parameter disable_msi to disable MSI interrupt,
driver will then use legacy interrupt instead.

One could rebind the PCI device, probe() will pick up the
new value of the module parameter. Such as:

    echo '0000:01:00.0' > /sys/bus/pci/drivers/rtw_pci/unbind
    echo '0000:01:00.0' > /sys/bus/pci/drivers/rtw_pci/bind

Tested-by: Ján Veselý <jano.vesely@gmail.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Yu-Yen Ting <steventing@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Yu-Yen Ting 2019-09-03 17:14:07 +08:00 • committed by Kalle Valo
commit 7906690345
1 changed files with 43 additions and 5 deletions
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