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Date: Thu, 4 Jun 2020 12:14:38 +0300 From: Mathias Nyman <mathias.nyman@...ux.intel.com> To: Macpaul Lin <macpaul.lin@...iatek.com>, Chunfeng Yun <chunfeng.yun@...iatek.com>, Mathias Nyman <mathias.nyman@...el.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Matthias Brugger <matthias.bgg@...il.com> Cc: Mediatek WSD Upstream <wsd_upstream@...iatek.com>, Macpaul Lin <macpaul.lin@...il.com>, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org, linux-mediatek@...ts.infradead.org, stable@...r.kernel.org Subject: Re: [PATCH v4] usb: host: xhci-mtk: avoid runtime suspend when removing hcd On 4.6.2020 6.01, Macpaul Lin wrote: > When runtime suspend was enabled, runtime suspend might happen > when xhci is removing hcd. This might cause kernel panic when hcd > has been freed but runtime pm suspend related handle need to > reference it. > > Signed-off-by: Macpaul Lin <macpaul.lin@...iatek.com> > Reviewed-by: Chunfeng Yun <chunfeng.yun@...iatek.com> > Cc: stable@...r.kernel.org > --- > Changes for v3: > - Replace better sequence for disabling the pm_runtime suspend. > Changes for v4: > - Thanks for Sergei's review, typo in commit description has been corrected. > Thanks, added to queue -Mathias
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