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From: Peter Chen <peter.chen@nxp.com>
To: Marco Felsch <m.felsch@pengutronix.de>
Cc: "linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"jun.li@freescale.com" <jun.li@freescale.com>,
	"stern@rowland.harvard.edu" <stern@rowland.harvard.edu>,
	dl-linux-imx <linux-imx@nxp.com>,
	"kernel@pengutronix.de" <kernel@pengutronix.de>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 0/3] USB IMX Chipidea fix gpio vbus control
Date: Thu, 27 Feb 2020 11:18:36 +0000	[thread overview]
Message-ID: <20200227111838.GA24071@b29397-desktop> (raw)
In-Reply-To: <20200227104212.12562-1-m.felsch@pengutronix.de>

On 20-02-27 11:42:09, Marco Felsch wrote:
> Hi,
> 
> the gpio-based port power is broken since commit [1,2]. I changed the
> core behaviour to to cleanup the code and avoid local workaround fixes.

Many i.mx series evk boards work well for gpio-based port power control,
what problem you have found, would you please list it detail?

Peter
> 
> With this series and [3] I'am now able to disable the port completely
> after I disbaled the pm_qos_no_power_off flag.
> 
> [1] 6adb9b7b5fb6 ("usb: chipidea: add a flag for turn on vbus early for host")
> [2] 659459174188 ("usb: chipidea: host: turn on vbus before add hcd if early vbus on is required")
> [3] https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flkml.org%2Flkml%2F2020%2F2%2F27%2F198&amp;data=02%7C01%7Cpeter.chen%40nxp.com%7Cc1b3094e826b49b572cb08d7bb71b6bc%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637183969379126557&amp;sdata=i7O7vBqiVCb2opVNva7ffxIdqFb%2BvGzV5Qsy5wwarbQ%3D&amp;reserved=0
> 
> Regards,
>   Marco
> 
> Marco Felsch (3):
>   USB: ehci-hub: let port_power() override the ehci_port_power()
>   Partially Revert "usb: chipidea: host: turn on vbus before add hcd if
>     early vbus on is required"
>   Revert "usb: chipidea: add a flag for turn on vbus early for host"
> 
>  drivers/usb/chipidea/ci_hdrc_imx.c | 10 ++--------
>  drivers/usb/chipidea/host.c        | 31 ++++++++++--------------------
>  drivers/usb/host/ehci-hub.c        |  6 +++---
>  include/linux/usb/chipidea.h       | 17 ++++++++--------
>  4 files changed, 23 insertions(+), 41 deletions(-)
> 
> -- 
> 2.20.1
> 

-- 

Thanks,
Peter Chen
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  parent reply	other threads:[~2020-02-27 11:18 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-27 10:42 [PATCH 0/3] USB IMX Chipidea fix gpio vbus control Marco Felsch
2020-02-27 10:42 ` [PATCH 1/3] USB: ehci-hub: let port_power() override the ehci_port_power() Marco Felsch
2020-02-27 10:42 ` [PATCH 2/3] Partially Revert "usb: chipidea: host: turn on vbus before add hcd if early vbus on is required" Marco Felsch
2020-02-27 10:42 ` [PATCH 3/3] Revert "usb: chipidea: add a flag for turn on vbus early for host" Marco Felsch
2020-02-27 11:18 ` Peter Chen [this message]
2020-02-27 11:35   ` [PATCH 0/3] USB IMX Chipidea fix gpio vbus control Marco Felsch
2020-02-27 12:20     ` Peter Chen
2020-02-27 12:44       ` Marco Felsch
2020-02-27 13:30         ` Peter Chen
2020-02-27 13:59           ` Peter Chen
2020-02-27 14:39           ` Marco Felsch
2020-02-28  2:51             ` Peter Chen
2020-02-28  7:48               ` Marco Felsch
2020-02-28  9:40                 ` Peter Chen

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