From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933522AbcFTUK7 (ORCPT ); Mon, 20 Jun 2016 16:10:59 -0400 Received: from smtp2.provo.novell.com ([137.65.250.81]:58077 "EHLO smtp2.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754346AbcFTUHg (ORCPT ); Mon, 20 Jun 2016 16:07:36 -0400 From: Davidlohr Bueso To: peterz@infradead.org, mingo@kernel.org Cc: davem@davemloft.net, cw00.choi@samsung.com, dougthompson@xmission.com, bp@alien8.de, mchehab@osg.samsung.com, gregkh@linuxfoundation.org, pfg@sgi.com, jikos@kernel.org, hans.verkuil@cisco.com, awalls@md.metrocast.net, dledford@redhat.com, sean.hefty@intel.com, kys@microsoft.com, heiko.carstens@de.ibm.com, James.Bottomley@HansenPartnership.com, sumit.semwal@linaro.org, schwidefsky@de.ibm.com, linux-kernel@vger.kernel.org, dave@stgolabs.net, Davidlohr Bueso Subject: [PATCH 06/12] HID,wacom: Employ atomic_fetch_inc() Date: Mon, 20 Jun 2016 13:05:58 -0700 Message-Id: <1466453164-13185-7-git-send-email-dave@stgolabs.net> X-Mailer: git-send-email 2.6.6 In-Reply-To: <1466453164-13185-1-git-send-email-dave@stgolabs.net> References: <1466453164-13185-1-git-send-email-dave@stgolabs.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now that we have fetch_inc() we can stop using inc_return() - 1. These are very similar to the existing OP-RETURN primitives we already have, except they return the value of the atomic variable _before_ modification. Cc: Jiri Kosina Signed-off-by: Davidlohr Bueso --- drivers/hid/wacom_sys.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 499cc8213cfe..88bde7687edd 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -1088,7 +1088,7 @@ static int wacom_initialize_battery(struct wacom *wacom) if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) { struct power_supply_desc *bat_desc = &wacom->battery_desc; struct power_supply_desc *ac_desc = &wacom->ac_desc; - n = atomic_inc_return(&battery_no) - 1; + n = atomic_fetch_inc(&battery_no); bat_desc->properties = wacom_battery_props; bat_desc->num_properties = ARRAY_SIZE(wacom_battery_props); -- 2.6.6