linux-kernel - Re: [PATCH v2 00/10] serial: st-asc: Allow handling of RTS line

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Message-ID: <20170203092259.3opu2feqnco6gv2s@dell>
Date:   Fri, 3 Feb 2017 09:22:59 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     jslaby@...e.com, linux-serial@...r.kernel.org, dt@...nel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, kernel@...inux.com,
        patrice.chotard@...com
Subject: Re: [PATCH v2 00/10] serial: st-asc: Allow handling of RTS line

On Thu, 02 Feb 2017, Greg KH wrote:

> On Thu, Feb 02, 2017 at 07:42:36AM +0000, Lee Jones wrote:
> > Hi Greg, Jiri,
> > 
> > > When hardware flow-control is disabled, manual toggling of the UART's
> > > reset line (RTS) using userland applications (e.g. stty) is not
> > > possible, since the ASC IP does not provide this functionality in the
> > > same was as some other IPs do.  Thus, we have to do this manually.
> > > 
> > > This set ensures the correct Pinctrl groups are configured and
> > > obtained for both manual toggling of the RTS line and for the IP to
> > > take over the lines when HW flow-control is requested by the user. 
> > > 
> > > Lee Jones (10):
> > >   serial: st-asc: Ignore the parity error bit if 8-bit mode is enabled
> > >   serial: st-asc: Provide RTS functionality
> > >   serial: st-asc: Read in all Pinctrl states
> > >   serial: st-asc: (De)Register GPIOD and swap Pinctrl profiles
> > >   serial: st-asc: Use generic DT binding for announcing RTS/CTS lines
> > >   dt-bindings: serial: Update 'uart-has-rtscts' description
> > >   ARM: dts: STiH410-b2260: Identify the UART RTS line
> > >   ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
> > >   ARM: dts: STiH407-family: Use new Pinctrl groups
> > >   ARM: dts: STiH410-b2260: Enable HW flow-control
> > > 
> > >  .../devicetree/bindings/serial/serial.txt          |   3 +-
> > >  arch/arm/boot/dts/stih407-family.dtsi              |   3 +-
> > >  arch/arm/boot/dts/stih407-pinctrl.dtsi             |  12 ++-
> > >  arch/arm/boot/dts/stih410-b2260.dts                |   5 +
> > >  drivers/tty/serial/st-asc.c                        | 101 +++++++++++++++++++--
> > >  5 files changed, 110 insertions(+), 14 deletions(-)
> > 
> > Looks like everyone is happy with the set.
> > 
> > Are you planning to merge it?
> 
> I'll take it in my next round of patches, give me a few days to sync up,
> I normally do serial patches once a week or so.

Works for me.  Thanks Greg.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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