From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Marco Felsch <m.felsch@pengutronix.de>
Subject: Re: [PATCH] pmdomain: imx8mp-blk-ctrl: fix adb handshake handling
Date: Thu, 04 Apr 2024 15:41:34 +0200 [thread overview]
Message-ID: <171223809427.734068.15290752261893872905.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20240403153151.2859387-1-m.felsch@pengutronix.de>
On Wed, 03 Apr 2024 17:31:51 +0200, Marco Felsch wrote:
> Fix powering the DWC3 USB subsystem which is part of the HSIO BLKCTRL.
> Currently we enable the USB clocks and the USB module clock within the
> HSIO BLKCTRL. The later get stuck during the first call of
> imx8mp_blk_ctrl_power_on() since the parent GPCv2 device is not powered
> yet.
>
> Fix this by porting the Linux imx8mp_blk_ctrl::power_nb notifier_block
> logic. The Linux driver enable/disable the USB module to propagate the
> ADB handshake instead of powering it permanently. The logic is executed
> after the parent GPCv2 power domain is powered so we can access the HSIO
> BLKCTRL registers.
>
> [...]
Applied, thanks!
[1/1] pmdomain: imx8mp-blk-ctrl: fix adb handshake handling
https://git.pengutronix.de/cgit/barebox/commit/?id=aa03dc194997 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2024-04-04 13:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-03 15:31 Marco Felsch
2024-04-03 16:03 ` Ahmad Fatoum
2024-04-04 13:41 ` Sascha Hauer [this message]
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