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Wed, 29 Jul 2026 10:38:33 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: ADyxHCh-VM4J Date: Wed, 29 Jul 2026 16:38:12 +0200 From: "Arnd Bergmann" To: "Greg Kroah-Hartman" , "Hongyan Xu" Cc: "John Stultz" , "Amit Pundir" , "Sumit Semwal" , linux-kernel@vger.kernel.org, jianhao.xu@seu.edu.cn, "Benjamin Copeland" Message-Id: <09de27ea-ce5a-4207-a94b-67a56e378342@app.fastmail.com> In-Reply-To: <2026072955-paternity-dynamic-56ae@gregkh> References: <20260728065558.1532-1-getshell@seu.edu.cn> <20260729105618.1577-1-getshell@seu.edu.cn> <2026072955-paternity-dynamic-56ae@gregkh> Subject: Re: [PATCH] misc: hisi_hikey_usb: cancel role switch work on remove Content-Type: text/plain Content-Transfer-Encoding: 7bit On Wed, Jul 29, 2026, at 15:42, Greg Kroah-Hartman wrote: > On Wed, Jul 29, 2026 at 06:56:18PM +0800, Hongyan Xu wrote: >> Thanks for the context. I wasn't aware that the driver had no upstream >> DT user or binding. >> >> Given that, I will hold off on revising this patch. If removing the >> unused driver is the preferred direction, I can prepare a separate >> removal patch. > > Sorry, yes, that's what I was wanting to ask as well. I asked around internally, and Ben Copeland mentioned that the hikey960 itself should still work fine with mainline kernels, but the role switch driver was never getting tested. I think we can just remove this driver. If anyone wants to get the functionality working later, they can reintroduce a working version in drivers/phy/, where all other usb-role-switch support lives these days. Arnd