From: Greg KH <gregkh@linuxfoundation.org>
To: Jon Hunter <jonathanh@nvidia.com>
Cc: Mathias Nyman <mathias.nyman@intel.com>,
krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org,
vkoul@kernel.org, treding@nvidia.com, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org, linux-phy@lists.infradead.org,
linux-tegra@vger.kernel.org, waynec@nvidia.com,
Sing-Han Chen <singhanc@nvidia.com>
Subject: Re: [PATCH V4 5/6] usb: host: xhci-tegra: Add Tegra234 XHCI support
Date: Tue, 22 Nov 2022 17:07:49 +0100 [thread overview]
Message-ID: <Y3zz1YHu1643ppuS@kroah.com> (raw)
In-Reply-To: <20221118154006.173082-6-jonathanh@nvidia.com>
On Fri, Nov 18, 2022 at 03:40:05PM +0000, Jon Hunter wrote:
> From: Sing-Han Chen <singhanc@nvidia.com>
>
> This change adds Tegra234 XUSB host mode controller support.
>
> In Tegra234, some of the registers have moved to bar2 space.
> The new soc variable has_bar2 indicates the chip with bar2
> area. This patch adds new reg helper to let the driver reuse
> the same code for those chips with bar2 support.
>
> Signed-off-by: Sing-Han Chen <singhanc@nvidia.com>
> Co-developed-by: Wayne Chang <waynec@nvidia.com>
> Signed-off-by: Wayne Chang <waynec@nvidia.com>
> Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
This is should be much slower with the additional redirection. Is it
noticable on this hardware platform with, and without this change? Or
is the hardware slow enough that it doesn't even show up as a speed
decrease?
thanks,
greg k-h
next prev parent reply other threads:[~2022-11-22 16:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-18 15:40 [PATCH V4 0/6] Enable USB host on Jetson AGX Orin Jon Hunter
2022-11-18 15:40 ` [PATCH V4 1/6] dt-bindings: usb: Add NVIDIA Tegra234 XUSB host controller binding Jon Hunter
2022-11-18 18:50 ` Rob Herring
2022-11-18 15:40 ` [PATCH V4 2/6] arm64: tegra: Enable XUSB host function on Jetson AGX Orin Jon Hunter
2022-11-18 15:40 ` [PATCH V4 3/6] phy: tegra: xusb: Disable trk clk when not in use Jon Hunter
2022-11-18 15:40 ` [PATCH V4 4/6] phy: tegra: xusb: Add Tegra234 support Jon Hunter
2022-11-18 15:40 ` [PATCH V4 5/6] usb: host: xhci-tegra: Add Tegra234 XHCI support Jon Hunter
2022-11-22 16:07 ` Greg KH [this message]
2022-11-23 14:20 ` Jon Hunter
2022-11-24 12:30 ` Wayne Chang
2022-11-18 15:40 ` [PATCH V4 6/6] dt-bindings: phy: tegra-xusb: Add support for Tegra234 Jon Hunter
2022-11-30 17:07 ` Rob Herring
2022-12-02 9:53 ` Jon Hunter
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