Re: Query on usb/core/devio.c

2018-10-21 Thread Oliver Neukum
On Do, 2018-10-18 at 13:42 -0400, Alan Stern wrote: > On Thu, 18 Oct 2018, Mayuresh Kulkarni wrote: > > > > The only way to make the ioctl work properly is to have it do a > > > runtime-PM put at the start and then a runtime-PM get before it If and only if you want to do this with one ioctl()

[PATCH v2 2/4] usb: chipidea: imx: add HSIC support

2018-10-21 Thread Peter Chen
To support imx HSIC, there are some special requirement: - The HSIC pad is 1.2v, it may need to supply from external - The data/strobe pin needs to be pulled down first, and after host mode is initialized, the strobe pin needs to be pulled up - During the USB suspend/resume, special setting is

[PATCH v2 4/4] doc: usb: ci-hdrc-usb2: Add pinctrl properties for HSIC pin groups

2018-10-21 Thread Peter Chen
For USB HSIC, the data and strobe pin needs to be pulled down at default, we consider it as "idle" state. When the USB host is ready to be used, the strobe pin needs to be pulled up, we consider it as "active" state. Signed-off-by: Peter Chen ---

[PATCH v2 1/4] usb: chipidea: add flag for imx hsic implementation

2018-10-21 Thread Peter Chen
NXP (Freecale) imx HSIC design has some special requirements, add some flags at host code to handle them. Signed-off-by: Peter Chen --- drivers/usb/chipidea/host.c | 24 include/linux/usb/chipidea.h | 3 +++ 2 files changed, 27 insertions(+) diff --git

[PATCH v2 3/4] usb: chipidea: host: override ehci->hub_control

2018-10-21 Thread Peter Chen
The chipidea controller has some special requirements during suspend/resume, override common ehci->hub_control to implement it. Signed-off-by: Peter Chen --- drivers/usb/chipidea/host.c | 74 + 1 file changed, 74 insertions(+) diff --git

[PATCH v2 0/4] usb: chipidea: imx: add HSIC support

2018-10-21 Thread Peter Chen
Most of NXP (Freescale) i.mx USB part has HSIC support, in this series, we add support for them, it should cover all imx6 and imx7d SoC. Changes for v2: - Compile error reported by kbuild robot [Patch 2/4] - Comment from Frieder Schrempf about code structure [Patch 2/4] - Comment from Fabio about

[PATCH] usb: dwc2: disable power_down on rockchip devices

2018-10-21 Thread Hal Emmerich
>From 04fbf78e4e569bf872f1ffcb0a6f9b89569dc913 Mon Sep 17 00:00:00 2001 From: Hal Emmerich Date: Thu, 19 Jul 2018 21:48:08 -0500 Subject: [PATCH] usb: dwc2: disable power_down on rockchip devices  The bug would let the usb controller enter partial power down,  which was formally known as

Re: Logitech G27 leds no more supported

2018-10-21 Thread elrondo46
SOLVED that's due to this is compiled as modules: CONFIG_LEDS_SYSCON CONFIG_LEDS_SYSCON and not as YES option Thnaks ‐‐‐ Original Message ‐‐‐ Le dimanche 21 octobre 2018 08:16, a écrit : > There is no switch in G27, it's a pure PC wheel, and leds are not recognized > > Sent with

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Re: Logitech G27 leds no more supported

2018-10-21 Thread elrondo46
There is no switch in G27, it's a pure PC wheel, and leds are not recognized Sent with ProtonMail Secure Email. ‐‐‐ Original Message ‐‐‐ Le samedi 20 octobre 2018 01:03, Simon Wood a écrit : > On Fri, October 19, 2018 4:46 pm, Simon Wood wrote: > > > Thanks for the report, and yes it