linux-kernel - Re: [PATCH v4 4/6] usb: dwc3: qcom: Add support for booting with ACPI

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Message-ID: <87r27sgz2f.fsf@linux.intel.com>
Date:   Mon, 17 Jun 2019 15:45:44 +0300
From:   Felipe Balbi <balbi@...nel.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     alokc@...eaurora.org, agross@...nel.org, david.brown@...aro.org,
        wsa+renesas@...g-engineering.com, bjorn.andersson@...aro.org,
        gregkh@...uxfoundation.org, ard.biesheuvel@...aro.org,
        jlhugo@...il.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v4 4/6] usb: dwc3: qcom: Add support for booting with ACPI


Hi,

Lee Jones <lee.jones@...aro.org> writes:
> On Mon, 17 Jun 2019, Felipe Balbi wrote:
>
>> Hi,
>> 
>> Lee Jones <lee.jones@...aro.org> writes:
>> >> In Linux, the DWC3 core exists as its own independent platform device.
>> >> Thus when describing relationships in Device Tree, the current default
>> >> boot configuration table option, the DWC3 core often resides as a child
>> >> of the platform specific node.  Both of which are given their own
>> >> address space descriptions and the drivers can be mostly agnostic to
>> >> each other.
>> >> 
>> >> However, other Operating Systems have taken a more monolithic approach,
>> >> which is evident in the configuration ACPI tables for the Qualcomm
>> >> Snapdragon SDM850, where all DWC3 (core and platform) components are
>> >> described under a single IO memory region.
>> >> 
>> >> To ensure successful booting using the supplied ACPI tables, we need to
>> >> devise a way to chop up the address regions provided and subsequently
>> >> register the DWC3 core with the resultant information, which is
>> >> precisely what this patch aims to achieve.
>> >> 
>> >> Signed-off-by: Lee Jones <lee.jones@...aro.org>
>> >> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
>> >> ---
>> >>  drivers/usb/dwc3/Kconfig     |   2 +-
>> >>  drivers/usb/dwc3/dwc3-qcom.c | 206 ++++++++++++++++++++++++++++++-----
>> >>  2 files changed, 179 insertions(+), 29 deletions(-)
>> >
>> > I'm starting to get a little twitchy about these patches now.  Due to
>> > the release cadence of the larger Linux distros, it's pretty important
>> > that these changes land in v5.3.  Without them, it is impossible to
>> > install Linux on some pretty high profile emerging platforms.
>> >
>> > It's already -rc5 and I'm concerned that we're going to miss the
>> > merge-window.  Would you be kind enough to review these patches
>> > please?  The Pinctrl and I2C parts of the set have already been
>> > merged.
>> 
>> I don't seem to have this series in my inbox. This is the only email I
>> have in this series.
>
> I did wonder, which is why I made sure I sent this to your Intel
> address as well.  Is your @kernel.org address broken?

not really, that drops in a valid inbox. I didn't receive it in either,
however. :-s

> Will re-send the patches to your Intel address, give me a few
> minutes.

Thanks.

-- 
balbi

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