From: Jisheng Zhang <jszhang@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Jiri Slaby <jirislaby@kernel.org>,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
devicetree@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH v4 04/10] serial: bflb_uart: add Bouffalolab UART Driver
Date: Wed, 31 May 2023 23:05:46 +0800 [thread overview]
Message-ID: <ZHdiSjajwbF3cKBK@xhacker> (raw)
In-Reply-To: <2023053119-drab-cartwheel-29af@gregkh>
On Wed, May 31, 2023 at 03:34:02PM +0100, Greg Kroah-Hartman wrote:
> On Wed, May 31, 2023 at 10:09:56PM +0800, Jisheng Zhang wrote:
> > On Tue, May 30, 2023 at 11:36:00AM +0100, Greg Kroah-Hartman wrote:
> > > On Thu, May 18, 2023 at 11:22:38PM +0800, Jisheng Zhang wrote:
> > > > Add the driver for Bouffalolab UART IP which is found in Bouffalolab
> > > > SoCs such as bl808.
> > >
> > > New uarts are being created that are NOT 8250-like? Why????
> >
> > Hi,
> >
> > I'm not sure I understand your meaning. I guess you mean writing the new
> > uart driver following 8250 style. And the latest example is
> > sunplus-uart.c, it can be used as an example how to write a 8250 style
> > driver for new non-8250 uart IP.
>
> No, I mean, "why are hardware designers creating new UARTs in 2023 that
> are NOT 8250-based"? Why do they want to constantly reinvent the wheel?
haha, to be honest, I dunno the reason either. For me, the HW has been there
and is linux capable, I want to mainline its support.
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WARNING: multiple messages have this Message-ID (diff)
From: Jisheng Zhang <jszhang@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Jiri Slaby <jirislaby@kernel.org>,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
devicetree@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH v4 04/10] serial: bflb_uart: add Bouffalolab UART Driver
Date: Wed, 31 May 2023 23:05:46 +0800 [thread overview]
Message-ID: <ZHdiSjajwbF3cKBK@xhacker> (raw)
In-Reply-To: <2023053119-drab-cartwheel-29af@gregkh>
On Wed, May 31, 2023 at 03:34:02PM +0100, Greg Kroah-Hartman wrote:
> On Wed, May 31, 2023 at 10:09:56PM +0800, Jisheng Zhang wrote:
> > On Tue, May 30, 2023 at 11:36:00AM +0100, Greg Kroah-Hartman wrote:
> > > On Thu, May 18, 2023 at 11:22:38PM +0800, Jisheng Zhang wrote:
> > > > Add the driver for Bouffalolab UART IP which is found in Bouffalolab
> > > > SoCs such as bl808.
> > >
> > > New uarts are being created that are NOT 8250-like? Why????
> >
> > Hi,
> >
> > I'm not sure I understand your meaning. I guess you mean writing the new
> > uart driver following 8250 style. And the latest example is
> > sunplus-uart.c, it can be used as an example how to write a 8250 style
> > driver for new non-8250 uart IP.
>
> No, I mean, "why are hardware designers creating new UARTs in 2023 that
> are NOT 8250-based"? Why do they want to constantly reinvent the wheel?
haha, to be honest, I dunno the reason either. For me, the HW has been there
and is linux capable, I want to mainline its support.
next prev parent reply other threads:[~2023-05-31 15:17 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-18 15:22 [PATCH v4 00/10] riscv: add Bouffalolab bl808 support Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-18 15:22 ` [PATCH v4 01/10] dt-bindings: vendor-prefixes: add bouffalolab Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-19 2:53 ` Samuel Holland
2023-05-19 2:53 ` Samuel Holland
2023-05-21 9:02 ` Jisheng Zhang
2023-05-21 9:02 ` Jisheng Zhang
2023-05-21 13:55 ` Conor Dooley
2023-05-21 13:55 ` Conor Dooley
2023-06-07 19:50 ` Rob Herring
2023-06-07 19:50 ` Rob Herring
2023-05-18 15:22 ` [PATCH v4 02/10] dt-bindings: interrupt-controller: Add bouffalolab bl808 plic Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-19 3:36 ` Samuel Holland
2023-05-19 3:36 ` Samuel Holland
2023-05-18 15:22 ` [PATCH v4 03/10] dt-bindings: serial: add documentation for Bouffalolab UART Driver Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-18 19:34 ` Conor Dooley
2023-05-18 19:34 ` Conor Dooley
2023-05-19 3:00 ` Samuel Holland
2023-05-19 3:00 ` Samuel Holland
2023-05-21 9:13 ` Jisheng Zhang
2023-05-21 9:13 ` Jisheng Zhang
2023-05-22 7:13 ` Conor Dooley
2023-05-22 7:13 ` Conor Dooley
2023-05-18 15:22 ` [PATCH v4 04/10] serial: bflb_uart: add " Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-30 10:36 ` Greg Kroah-Hartman
2023-05-30 10:36 ` Greg Kroah-Hartman
2023-05-31 14:09 ` Jisheng Zhang
2023-05-31 14:09 ` Jisheng Zhang
2023-05-31 14:34 ` Greg Kroah-Hartman
2023-05-31 14:34 ` Greg Kroah-Hartman
2023-05-31 15:05 ` Jisheng Zhang [this message]
2023-05-31 15:05 ` Jisheng Zhang
2023-05-18 15:22 ` [PATCH v4 05/10] riscv: add the Bouffalolab SoC family Kconfig option Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-18 15:22 ` [PATCH v4 06/10] dt-bindings: riscv: Add bouffalolab bl808 board compatibles Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-19 3:31 ` Samuel Holland
2023-05-19 3:31 ` Samuel Holland
2023-05-19 11:55 ` Conor Dooley
2023-05-19 11:55 ` Conor Dooley
2023-05-21 9:29 ` Jisheng Zhang
2023-05-21 9:29 ` Jisheng Zhang
2023-05-21 9:45 ` Jisheng Zhang
2023-05-21 9:45 ` Jisheng Zhang
2023-06-07 20:04 ` Rob Herring
2023-06-07 20:04 ` Rob Herring
2023-05-18 15:22 ` [PATCH v4 07/10] riscv: dts: bouffalolab: add the bl808 SoC base device tree Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-19 3:51 ` Samuel Holland
2023-05-19 3:51 ` Samuel Holland
2023-05-18 15:22 ` [PATCH v4 08/10] riscv: dts: bouffalolab: add Sipeed M1s SoM and Dock devicetree Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-19 3:55 ` Samuel Holland
2023-05-19 3:55 ` Samuel Holland
2023-05-21 9:40 ` Jisheng Zhang
2023-05-21 9:40 ` Jisheng Zhang
2023-05-18 15:22 ` [PATCH v4 09/10] MAINTAINERS: riscv: add entry for Bouffalolab SoC Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
2023-05-18 15:22 ` [PATCH v4 10/10] riscv: defconfig: enable BOUFFALOLAB SoC Jisheng Zhang
2023-05-18 15:22 ` Jisheng Zhang
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