From patchwork Fri Mar 15 13:00:01 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Valentin X-Patchwork-Id: 2276381 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id A08D1DF24C for ; Fri, 15 Mar 2013 13:06:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754668Ab3CONGI (ORCPT ); Fri, 15 Mar 2013 09:06:08 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:59919 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754635Ab3CONGG (ORCPT ); Fri, 15 Mar 2013 09:06:06 -0400 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id r2FD64Kh031602; Fri, 15 Mar 2013 08:06:04 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id r2FD64CX005250; Fri, 15 Mar 2013 08:06:04 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by dfle73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.1.323.3; Fri, 15 Mar 2013 08:06:03 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id r2FD633j030588; Fri, 15 Mar 2013 08:06:04 -0500 Received: from localhost (h64-13.vpn.ti.com [172.24.64.13]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id r2FD60V09806; Fri, 15 Mar 2013 08:06:00 -0500 (CDT) From: Eduardo Valentin To: CC: , , , , Eduardo Valentin Subject: [PATCH 13/50] staging: omap-thermal: update documentation for talert irq handler Date: Fri, 15 Mar 2013 09:00:01 -0400 Message-ID: <1363352438-15935-14-git-send-email-eduardo.valentin@ti.com> X-Mailer: git-send-email 1.7.7.1.488.ge8e1c In-Reply-To: <1363352438-15935-1-git-send-email-eduardo.valentin@ti.com> References: <1363352438-15935-1-git-send-email-eduardo.valentin@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Document the Talert IRQ handler. Signed-off-by: Eduardo Valentin --- drivers/staging/omap-thermal/omap-bandgap.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-) diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c index 1906ef1..aa60b7b 100644 --- a/drivers/staging/omap-thermal/omap-bandgap.c +++ b/drivers/staging/omap-thermal/omap-bandgap.c @@ -146,7 +146,17 @@ static u32 omap_bandgap_read_temp(struct omap_bandgap *bg_ptr, int id) return temp; } -/* This is the Talert handler. Call it only if HAS(TALERT) is set */ +/** + * omap_bandgap_talert_irq_handler() - handles Temperature alert IRQs + * @irq: IRQ number + * @data: private data (struct omap_bandgap *) + * + * This is the Talert handler. Use it only if bandgap device features + * HAS(TALERT). This handler goes over all sensors and checks their + * conditions and acts accordingly. In case there are events pending, + * it will reset the event mask to wait for the opposite event (next event). + * Every time there is a new event, it will be reported to thermal layer. + */ static irqreturn_t omap_bandgap_talert_irq_handler(int irq, void *data) { struct omap_bandgap *bg_ptr = data;