Messages in this thread | | | Date | Wed, 9 Sep 2020 20:15:56 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH v2 08/11] misc: hisi_hikey_usb: Driver to support onboard USB gpio hub on Hikey960 |
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On Wed, Sep 09, 2020 at 11:55:47AM +0200, Mauro Carvalho Chehab wrote: > Em Wed, 9 Sep 2020 10:44:42 +0200 > Mauro Carvalho Chehab <mchehab+huawei@kernel.org> escreveu: > > > Em Wed, 9 Sep 2020 10:35:55 +0200 > > Greg Kroah-Hartman <gregkh@linuxfoundation.org> escreveu: > > > > > On Mon, Sep 07, 2020 at 05:59:32PM +0200, Mauro Carvalho Chehab wrote: > > > > From: Yu Chen <chenyu56@huawei.com> > > > > > > > > The HiKey960 has a fairly complex USB configuration due to it > > > > needing to support a USB-C port for host/device mode and multiple > > > > USB-A ports in host mode, all using a single USB controller. > > > > > > > > See schematics here: > > > > https://github.com/96boards/documentation/raw/master/consumer/hikey/hikey960/hardware-docs/HiKey960_Schematics.pdf > > > > > > > > This driver acts as a usb-role-switch intermediary, intercepting > > > > the role switch notifications from the tcpm code, and passing > > > > them on to the dwc3 core. > > > > > > > > In doing so, it also controls the onboard hub and power gpios in > > > > order to properly route the data lines between the USB-C port > > > > and the onboard hub to the USB-A ports. > > > > > > > > Signed-off-by: Yu Chen <chenyu56@huawei.com> > > > > [jstultz: Major rework to make the driver a usb-role-switch > > > > intermediary] > > > > Signed-off-by: John Stultz <john.stultz@linaro.org> > > > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> > > > > --- > > > > MAINTAINERS | 7 ++ > > > > drivers/misc/Kconfig | 9 ++ > > > > drivers/misc/Makefile | 1 + > > > > drivers/misc/hisi_hikey_usb.c | 205 ++++++++++++++++++++++++++++++++++ > > > > 4 files changed, 222 insertions(+) > > > > create mode 100644 drivers/misc/hisi_hikey_usb.c > > > > > > Can this, and the next patch, go into my char-misc tree independent of > > > the other patches in this series? > > > > Yes, they can go via char-misc tree. The drivers are independent. > > > > Forgot to ask: should I re-send the patches on a separate series?
Sure, that would make things much easier for me so that I "know" I have the right patches to apply.
thanks,
greg k-h
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