From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 114AF3BE161; Fri, 14 Aug 2026 11:24:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786706687; cv=none; b=pzG4N5Hw1D5XWmyTpXD+4VsBi4ge+52RJL3jQNioYrqP5xTuc1Q2Sb7+3aTPdvtBFmjYEiNA2CDAgTfWhdWu56ZNhM0zDyXClZpP307W79PTz62pRgDGBaJNGgfrxt/liC1MVFjBV5sAEHHo5AgqjS8YBIqKCXBZloJHkWZojmI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786706687; c=relaxed/simple; bh=AoakT/OhXCFnu1Bmiu2d4H1OY/GBLtdyZbBIaCT0gg4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jA1ZknfQQBj1WO5Erm7p0oyC7ndTTACzHeW4ByxK2rZg9kTc23AsdouUL1AmPDrupE+/Hus3ZB7kec3ibjtYTyUjn0RmqwBOImOSTythcCLBrox7CPjDAFhQedp/SaQL1uE5ARTlDBCHy1fmbthO1iZUqvNa71lZF6Jc2t1NgHI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=CGerrYuB; arc=none smtp.client-ip=198.175.65.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CGerrYuB" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1786706682; x=1818242682; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AoakT/OhXCFnu1Bmiu2d4H1OY/GBLtdyZbBIaCT0gg4=; b=CGerrYuBtZHO7QFdhqeVerBQFh9pcWRityxHCPAAFMi1Ikoi7jY0MMeZ VT9pNV2j4O68BXK6RMJUilmrbBLjMKT0L3AzKyJaNVvWCLs2Z3JpZBPLM VM545q6Nkb1YUjYvnyn1ABCwG5dlbiUEty0XnaKWjc3RexjB0AUholJvk GmWhEtUCYFoMr8cmK1reMEXiCu6et/D+6DlS7uB7UjjW6YiyrFVdvM0no du5OnBOrnrkW/wEEBX2GokvxrHHFOKY7/xkU3RT9CtWjofXXvTcdO+bNV AoWCPYwPOkNQ7D93SuTyASy+e3kwoEHsZZFv0I3icRm1S4oJYgUHtWBJi g==; X-CSE-ConnectionGUID: z/18DtfjTl++iETs62UVLA== X-CSE-MsgGUID: OKLDbKySQ6+psMsNzM0gFg== X-IronPort-AV: E=McAfee;i="6800,10657,11874"; a="90960119" X-IronPort-AV: E=Sophos;i="6.25,222,1779174000"; d="scan'208";a="90960119" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2026 04:24:39 -0700 X-CSE-ConnectionGUID: KuOF8ti9TxefNNMCBtSESg== X-CSE-MsgGUID: pUrOT0QXSv2TFWK7CaivIQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,222,1779174000"; d="scan'208";a="267687676" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa003.jf.intel.com with ESMTP; 14 Aug 2026 04:24:38 -0700 Received: by black.igk.intel.com (Postfix, from userid 1003) id 58F659B; Fri, 14 Aug 2026 13:24:37 +0200 (CEST) From: Andy Shevchenko To: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Cc: Jiri Slaby , Andy Shevchenko Subject: [PATCH v1 1/2] serial: 8250_port: Remove redundant pm_runtime_mark_last_busy() call Date: Fri, 14 Aug 2026 13:16:29 +0200 Message-ID: <20260814112435.3290545-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260814112435.3290545-1-andriy.shevchenko@linux.intel.com> References: <20260814112435.3290545-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The pm_runtime_mark_last_busy() call is redundant in the wrapper function as pm_runtime_put_autosuspend() already calls pm_runtime_mark_last_busy() internally to update the last access time of the device before queuing autosuspend. Signed-off-by: Andy Shevchenko --- drivers/tty/serial/8250/8250_port.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 38fa45e74a37..c0bcc0742a60 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -526,7 +526,6 @@ void serial8250_rpm_put(struct uart_8250_port *p) { if (!(p->capabilities & UART_CAP_RPM)) return; - pm_runtime_mark_last_busy(p->port.dev); pm_runtime_put_autosuspend(p->port.dev); } EXPORT_SYMBOL_GPL(serial8250_rpm_put); @@ -667,7 +666,6 @@ static void serial8250_rpm_put_tx(struct uart_8250_port *p) rpm_active = xchg(&p->rpm_tx_active, 0); if (!rpm_active) return; - pm_runtime_mark_last_busy(p->port.dev); pm_runtime_put_autosuspend(p->port.dev); } -- 2.50.1