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From: Greg KH <gregkh@linuxfoundation.org>
To: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: linux-usb@vger.kernel.org,
	D Scott Phillips <scott@os.amperecomputing.com>,
	Marc Zyngier <maz@kernel.org>
Subject: Re: [PATCH 1/3] xhci: also avoid the XHCI_ZERO_64B_REGS quirk with a passthrough iommu
Date: Thu, 30 Mar 2023 16:40:58 +0200	[thread overview]
Message-ID: <ZCWfev2C6G7AUHN0@kroah.com> (raw)
In-Reply-To: <20230330143056.1390020-2-mathias.nyman@linux.intel.com>

On Thu, Mar 30, 2023 at 05:30:54PM +0300, Mathias Nyman wrote:
> From: D Scott Phillips <scott@os.amperecomputing.com>
> 
> Previously the quirk was skipped when no iommu was present. The same
> rationale for skipping the quirk also applies in the iommu.passthrough=1
> case.
> 
> Skip applying the XHCI_ZERO_64B_REGS quirk if the device's iommu domain is
> passthrough.
> 
> Fixes: 12de0a35c996 ("xhci: Add quirk to zero 64bit registers on Renesas PCIe controllers")

Why not also for stable?

thanks,

greg k-h

  reply	other threads:[~2023-03-30 14:41 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-30 14:30 [PATCH 0/3] xhci fixes for usb-linus Mathias Nyman
2023-03-30 14:30 ` [PATCH 1/3] xhci: also avoid the XHCI_ZERO_64B_REGS quirk with a passthrough iommu Mathias Nyman
2023-03-30 14:40   ` Greg KH [this message]
2023-03-31  7:35     ` Mathias Nyman
2023-03-31  7:40       ` Greg KH
2023-03-30 14:30 ` [PATCH 2/3] Revert "usb: xhci-pci: Set PROBE_PREFER_ASYNCHRONOUS" Mathias Nyman
2023-03-30 14:40   ` Greg KH
2023-03-31  7:29     ` Mathias Nyman
2023-03-30 14:30 ` [PATCH 3/3] xhci: Free the command allocated for setting LPM if we return early Mathias Nyman
2023-04-03  7:17   ` Mirsad Goran Todorovac
2023-04-03  7:24     ` Greg KH
2023-04-03  7:57       ` Mirsad Goran Todorovac
2023-04-03  8:01         ` Mirsad Goran Todorovac
2023-04-03  8:28           ` Greg KH
2023-04-03  8:36             ` Mirsad Goran Todorovac
2023-04-03 12:33             ` Mirsad Goran Todorovac

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