From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DC366C7EE23 for ; Wed, 31 May 2023 15:17:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VijxNZKSyClwCGeIBEcVAtQpcMdnYem9TIEjD1SI0I0=; b=ws8g0BMra/790+ Eif4s0pRH/z62+fOyosm9a0bcmkNYnZQ0EZiUHt4wsguQeNPe0eZoRbmiuYpcN2fvjxqS1JnlOt5g lC1uiEv3fHlRL3N6eOqd2Z2AliQnNvO5sT9UDEIWIEhjDOe368Wrrv3hNBdp9q+pYuKHO35Fu0Zri a/USqyuIh3uc7u471HAhDyCj/xlnMybPx+YEbH1xIBDGhOwnNPQX3JYiybO5gDfqD7I8PyuCSGr04 cH6NujKzo8+FL7iIiGttS38MYym9CuQf91iIyGSOe5hsi2zIQanIL7LbumQfkIOZ0HHS8T6q107I2 /ycxwLDx5kdHcOpKnE5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q4NZX-000GTo-01; Wed, 31 May 2023 15:17:11 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q4NZU-000GSW-0p for linux-riscv@lists.infradead.org; Wed, 31 May 2023 15:17:09 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9966E63D2B; Wed, 31 May 2023 15:17:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 76F24C433D2; Wed, 31 May 2023 15:17:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1685546227; bh=F2oc/tidTrFnHhaHZr881PgbMLURyR5U4/nkSfN9YS8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RcEGyF8FybWmi/JDto/ddTnXqo/tO5zJ7DW2B/NakrvGKANUGraVuszAbwbfDKQ7Q 82tu9gTevz0Yu6y6QFHRYgbbPngyHMw3fzUOQ7NQStlTrv4jbx1zaHoYTDrWAkDX8Z +4PE4X3KPwS5aLtKrJEdlT5etaaorkYQCcDOsIGSwRKj43RL8Yxu3kvH6Q1tUxsVKN xcPpGGblXTQdKGUNb881ojltavyXFriN2uKAfM4/YwuEbgTz05W8eisK3jvSVpYVhx unVOhSHeKnniSjj4JdRPKG1qgqnyK2CUmOSmd+NHTKDI18IkZhO8FrszGYeffoxXtP nAHIl41W14dWw== Date: Wed, 31 May 2023 23:05:46 +0800 From: Jisheng Zhang To: Greg Kroah-Hartman Cc: Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Palmer Dabbelt , Paul Walmsley , Albert Ou , Jiri Slaby , 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 Message-ID: References: <20230518152244.2178-1-jszhang@kernel.org> <20230518152244.2178-5-jszhang@kernel.org> <2023053010-gondola-luminous-f5e7@gregkh> <2023053119-drab-cartwheel-29af@gregkh> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2023053119-drab-cartwheel-29af@gregkh> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230531_081708_336067_89316AA1 X-CRM114-Status: GOOD ( 19.77 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv