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Message-ID: <20231101101625.4151442-1-mnkumar@google.com>
Date: Wed, 1 Nov 2023 10:16:23 +0000
From: Naveen Kumar <mnkumar@...gle.com>
To: Mathias Nyman <mathias.nyman@...el.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
royluo@...gle.com, devicetree@...r.kernel.org,
Naveen Kumar M <mnkumar@...gle.com>
Subject: [PATCH RESEND 0/2] Add a quirk in xhci-plat for parent nodes to
specify no 64 bit support
From: Naveen Kumar M <mnkumar@...gle.com>
This patch aims to expose the XHCI_NO_64BIT_SUPPORT flag to the parent
nodes of xhci for clients to specify if they can not support 64 bit DMA
memory pointers. This issue was observed with a Google SoC that uses
a DWC3 controller where the virtual address's higher order bits are
truncated.
Resending due to missing out some reviewers/maintainers in the original
patch.
Naveen Kumar M (2):
usb: host: xhci-plat: Add quirk-no-64-bit-support
dt-bindings: usb: add no-64-bit-support property
Documentation/devicetree/bindings/usb/usb-xhci.yaml | 4 ++++
drivers/usb/host/xhci-plat.c | 3 +++
2 files changed, 7 insertions(+)
--
2.42.0.820.g83a721a137-goog
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