From: Greg KH <gregkh@linuxfoundation.org>
To: Manivannan Sadhasivam <mani@kernel.org>
Cc: linux-serial@vger.kernel.org, devicetree@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, fabrice.gasnier@st.com,
andy.shevchenko@gmail.com, robh+dt@kernel.org,
mcoquelin.stm32@gmail.com, alexandre.torgue@st.com
Subject: Re: [PATCH v3 0/2] Add CTS/RTS gpio support to STM32 UART
Date: Thu, 7 May 2020 17:34:39 +0200 [thread overview]
Message-ID: <20200507153439.GA1919950@kroah.com> (raw)
In-Reply-To: <20200507140750.GA2019@Mani-XPS-13-9360>
On Thu, May 07, 2020 at 07:37:50PM +0530, Manivannan Sadhasivam wrote:
> Hi Greg,
>
> On Mon, Apr 20, 2020 at 10:32:02PM +0530, mani@kernel.org wrote:
> > From: Manivannan Sadhasivam <mani@kernel.org>
> >
> > Hello,
> >
> > This patchset adds CTS/RTS gpio support to STM32 UART controller.
> > Eventhough the UART controller supports using dedicated CTS/RTS gpios,
> > sometimes we need to use different set of gpios for flow control.
> >
> > This is necessary for the upcoming STM32MP1 based board called Stinger96
> > IoT-Box. On that board, a bluetooth chip is connected to one of the UART
> > controller but the CTS/RTS lines got swapped mistakenly. So this patchset
> > serves as a workaround for that hardware bug and also supports the
> > usecase of using any gpio for CTS/RTS functionality. As per the sugggestion
> > provided by Andy for v1, I've now switched to mctrl_gpio driver.
> >
> > This patchset has been validated with Stinger96 IoT-Box connected to Murata
> > WiFi-BT combo chip.
> >
>
> Are you planning to take this series for 5.8?
I had to wait for the DT protion to be reviewed before I could do
anything. Give me some time, if it looks ok, it will go into 5.8.
thanks,
greg k-h
prev parent reply other threads:[~2020-05-07 15:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-20 17:02 [PATCH v3 0/2] Add CTS/RTS gpio support to STM32 UART mani
2020-04-20 17:02 ` [PATCH v3 1/2] dt-bindings: serial: Document CTS/RTS gpios in " mani
2020-05-06 19:59 ` Rob Herring
2020-05-18 7:04 ` Geert Uytterhoeven
2020-05-18 7:25 ` [Linux-stm32] " Erwan LE RAY
2020-04-20 17:02 ` [PATCH v3 2/2] tty: serial: Add modem control gpio support for " mani
2020-04-21 12:58 ` Fabrice Gasnier
2020-05-07 14:07 ` [PATCH v3 0/2] Add CTS/RTS gpio support to " Manivannan Sadhasivam
2020-05-07 15:34 ` Greg KH [this message]
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