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Wed, 06 May 2026 22:29:51 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2a00:79e0:201d:8:3117:fcaa:4a23:3480]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2babaac34dbsm11126885ad.10.2026.05.06.22.29.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 May 2026 22:29:50 -0700 (PDT) From: Chen-Yu Tsai To: Bartosz Golaszewski Cc: Chen-Yu Tsai , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] power: sequencing: print power sequencing device parent in debugfs Date: Thu, 7 May 2026 13:29:41 +0800 Message-ID: <20260507052943.3133349-1-wenst@chromium.org> X-Mailer: git-send-email 2.54.0.545.g6539524ca2-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260506_222953_646523_2A98A130 X-CRM114-Status: GOOD ( 13.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The debugfs summary currently shows the power sequencing device's name. This is not really helpful since the device name is always "pwrseq.N". Also print the parent device's name. This would likely be the device node name from the device tree, something like "nvme-connector". This would make it much easier for the developer to associate the summary with a certain device. Signed-off-by: Chen-Yu Tsai --- drivers/power/sequencing/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/power/sequencing/core.c b/drivers/power/sequencing/core.c index 4dff71be11b6..14335c4f813e 100644 --- a/drivers/power/sequencing/core.c +++ b/drivers/power/sequencing/core.c @@ -1043,7 +1043,7 @@ static int pwrseq_debugfs_seq_show(struct seq_file *seq, void *data) struct pwrseq_target *target; struct pwrseq_unit *unit; - seq_printf(seq, "%s:\n", dev_name(dev)); + seq_printf(seq, "%s (%s):\n", dev_name(dev), dev_name(dev->parent)); seq_puts(seq, " targets:\n"); list_for_each_entry(target, &pwrseq->targets, list) -- 2.54.0.545.g6539524ca2-goog