From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 23ECC47D931; Thu, 24 Sep 2026 12:25:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790252757; cv=none; b=rLUVqtNbIKKRejhS7c3aRslm4yfeREIjhwE2ii/yHTpfUGXEhzjy4JEhQRpddm6wjMMC9YrDAxLoYq+HcthhuWwPlabvMWJtsTQK4glEQ/DMZXrMdht9DSFxMO3IvX074/ecpf8o5RALTPWukl1DSwSnad1RQQwrurQ3UTO0zSc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790252757; c=relaxed/simple; bh=AoakT/OhXCFnu1Bmiu2d4H1OY/GBLtdyZbBIaCT0gg4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=N7hhVh0TEAhHorVTu1mZDc2hcyKw0uM8wly427BbaX8L2X1Kevl0dZCM5KsOrKQfsM0zJgiy/PMRJbtRkrx2oZG9aRu16aTLDL8twrqr0Yz54kjyml5FCjmu9rmi1sE5C6bCMAz03SZ5PShXIg0VBt708bzKSQ1X+BOocv0500Q= 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=kSQkbVvi; arc=none smtp.client-ip=192.198.163.19 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="kSQkbVvi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790252756; x=1821788756; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AoakT/OhXCFnu1Bmiu2d4H1OY/GBLtdyZbBIaCT0gg4=; b=kSQkbVvi8IvgbnEcEV4XJzDYX5DINi6p8TRfJxBfoEFRzRUGFWkAreeM 9WBq4SgyEChiwRRg4lG+pQ5nsINV2qzM202N1pLfJF3GddkJaXbY/d6/N ZXQBwsBsLNNhjvT5Ay6TJQL9yCObVJK4Ahfzd7SOUNVx2GPPXG0YE6HQR +Im37bRNidnOPKy81orSaMQTF48m5EtfG3mB4/g12jNzm0GW40nP4uv9B c98bvOqXBiFVPO0fGF2wEYPDCOJV/qh0D4ilGOBAp/zqNb4a8e8f9+AC2 7YJzXdTrOObvU8cRdIXhmrTYY3JZty2trcvk0nQHOqVTKJFaJsvZI8NEw w==; X-CSE-ConnectionGUID: bx4uipanTLylK7UvtzW/Vw== X-CSE-MsgGUID: S2aRQrpfSXGZpyVi4TCraQ== X-IronPort-AV: E=McAfee;i="6800,10657,11914"; a="89926563" X-IronPort-AV: E=Sophos;i="6.27,120,1787036400"; d="scan'208";a="89926563" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2026 05:25:53 -0700 X-CSE-ConnectionGUID: DXTNQMG6SOqU/uZp3WXjvQ== X-CSE-MsgGUID: nxOemAI0S4CA2f2tw327JQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,120,1787036400"; d="scan'208";a="311926430" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa001.jf.intel.com with ESMTP; 24 Sep 2026 05:25:52 -0700 Received: by black.igk.intel.com (Postfix, from userid 1003) id BD7669B; Thu, 24 Sep 2026 14:25:50 +0200 (CEST) From: Andy Shevchenko To: Greg Kroah-Hartman , John Ogness , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Cc: Jiri Slaby , Andy Shevchenko Subject: [PATCH v2 1/2] serial: 8250_port: Remove redundant pm_runtime_mark_last_busy() call Date: Thu, 24 Sep 2026 14:24:19 +0200 Message-ID: <20260924122549.668680-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260924122549.668680-1-andriy.shevchenko@linux.intel.com> References: <20260924122549.668680-1-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