[{"id":3676530,"web_url":"http://patchwork.ozlabs.org/comment/3676530/","msgid":"","list_archive_url":null,"date":"2026-04-13T08:03:20","subject":"Re: [PATCH] media: tegra-video: tegra210: ensure PHY is disabled in\n pg_mode stop path","submitter":{"id":389,"url":"http://patchwork.ozlabs.org/api/people/389/","name":"Dan Carpenter","email":"error27@gmail.com"},"content":"On Sun, Apr 12, 2026 at 04:36:00PM +0000, Hungyu Lin wrote:\n> tegra210_csi_port_start_streaming() enables the CSI PHY regardless\n> of pg_mode, but tegra210_csi_port_stop_streaming() skips disabling\n> the PHY when pg_mode is set due to an early return.\n> \n> Remove the early return so that the PHY disable path is always\n> executed, ensuring consistent teardown.\n> \n> Signed-off-by: Hungyu Lin \n> ---\n\nThe obvious complaint is that this patch needs a Fixes tag.\n\nThe early return is suspicious but I don't believe you have tested this\npatch. It would be better to not send untested patches like this,\nbecause there is a risk that the author wrote what they did deliberately.\nThis code is six years old now, so the original author has probably\nmoved on to a different project. It's not necessarily that easy to\nreview and test the patch.\n\nOn the other hand, if someone from Nvidia wants to Ack this patch\nthen of course we'll merge the v2 of this which has a Fixes tag.\nJust wait for someone from Nvidia to respond before resending.\n\nregards,\ndan carpenter","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=CMmWv0N2;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=104.64.211.4; helo=sin.lore.kernel.org;\n envelope-from=linux-tegra+bounces-13735-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"CMmWv0N2\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.128.44","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from sin.lore.kernel.org (sin.lore.kernel.org [104.64.211.4])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fvKhy3h9vz1yDF\n\tfor ; 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charset=us-ascii","Content-Disposition":"inline","In-Reply-To":"<20260412163600.29925-1-dennylin0707@gmail.com>"}},{"id":3676556,"web_url":"http://patchwork.ozlabs.org/comment/3676556/","msgid":"","list_archive_url":null,"date":"2026-04-13T08:33:09","subject":"Re: [PATCH] media: tegra-video: tegra210: ensure PHY is disabled in\n pg_mode stop path","submitter":{"id":93122,"url":"http://patchwork.ozlabs.org/api/people/93122/","name":"Denny Lin","email":"dennylin0707@gmail.com"},"content":"Hi Dan,\n\nThanks, I'll wait for feedback from Nvidia before resending.\n\nBest regards,\nHungyu\n\nOn Mon, Apr 13, 2026 at 1:03 AM Dan Carpenter wrote:\n>\n> On Sun, Apr 12, 2026 at 04:36:00PM +0000, Hungyu Lin wrote:\n> > tegra210_csi_port_start_streaming() enables the CSI PHY regardless\n> > of pg_mode, but tegra210_csi_port_stop_streaming() skips disabling\n> > the PHY when pg_mode is set due to an early return.\n> >\n> > Remove the early return so that the PHY disable path is always\n> > executed, ensuring consistent teardown.\n> >\n> > Signed-off-by: Hungyu Lin \n> > ---\n>\n> The obvious complaint is that this patch needs a Fixes tag.\n>\n> The early return is suspicious but I don't believe you have tested this\n> patch. It would be better to not send untested patches like this,\n> because there is a risk that the author wrote what they did deliberately.\n> This code is six years old now, so the original author has probably\n> moved on to a different project. It's not necessarily that easy to\n> review and test the patch.\n>\n> On the other hand, if someone from Nvidia wants to Ack this patch\n> then of course we'll merge the v2 of this which has a Fixes tag.\n> Just wait for someone from Nvidia to respond before resending.\n>\n> regards,\n> dan carpenter\n>","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=L0/gIs2/;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; helo=sto.lore.kernel.org;\n envelope-from=linux-tegra+bounces-13739-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"L0/gIs2/\"","smtp.subspace.kernel.org;\n arc=pass smtp.client-ip=209.85.167.66","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from sto.lore.kernel.org (sto.lore.kernel.org\n [IPv6:2600:3c09:e001:a7::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fvLK54h1Nz1xtJ\n\tfor ; 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