On Tue, Jul 18, 2023 at 03:20:57PM +0800, Haotien Hsu wrote: > From: Henry Lin <henryl@xxxxxxxxxx> > > If memory accesses by the Tegra XUSB controller are translated through > the SMMU (System MMU), the hardware may continue accessing memory even > after the SMMU translations have been disabled during the shutdown > process and this can in turn cause unpredictable crashes. > Fix this by adding a shutdown implementation that ensures the hardware > is turned off during system reboot or shutdown. > > Signed-off-by: Henry Lin <henryl@xxxxxxxxxx> > Signed-off-by: Haotien Hsu <haotienh@xxxxxxxxxx> > --- > drivers/usb/host/xhci-tegra.c | 28 +++++++++++++++++++++------- > 1 file changed, 21 insertions(+), 7 deletions(-) I just noticed that there's a typo in the linux-usb@xxxxxxxxxxxxxxx mailing list address, so you may want to resend this to make sure this goes to the patch tracker and all. Thierry
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