From patchwork Wed Jun 21 10:01:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffy Chen X-Patchwork-Id: 9801363 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CB6B66038C for ; Wed, 21 Jun 2017 10:03:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BC4A728338 for ; Wed, 21 Jun 2017 10:03:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B10312856D; Wed, 21 Jun 2017 10:03:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, URIBL_BLACK autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3C88E2842B for ; Wed, 21 Jun 2017 10:03:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752704AbdFUKDb (ORCPT ); Wed, 21 Jun 2017 06:03:31 -0400 Received: from regular1.263xmail.com ([211.150.99.139]:46264 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752463AbdFUKDa (ORCPT ); Wed, 21 Jun 2017 06:03:30 -0400 Received: from jeffy.chen?rock-chips.com (unknown [192.168.167.232]) by regular1.263xmail.com (Postfix) with ESMTP id 919AD546A; Wed, 21 Jun 2017 18:03:03 +0800 (CST) X-263anti-spam: X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ABS-CHECKED: 4 Received: from localhost (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id 6BCC2383; Wed, 21 Jun 2017 18:02:54 +0800 (CST) X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: <314b4d543f58ec5b71b4a2f5873518f8> X-ATTACHMENT-NUM: 0 X-SENDER: cjf@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 98683IXNE6; Wed, 21 Jun 2017 18:03:05 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org Cc: briannorris@chromium.org, dmitry.torokhov@gmail.com, dianders@chromium.org, Jeffy Chen , Mark Brown , linux-spi@vger.kernel.org Subject: [RFC PATCH v3 1/6] spi: core: add support for wakeup-source dts property Date: Wed, 21 Jun 2017 18:01:48 +0800 Message-Id: <1498039313-24220-2-git-send-email-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1498039313-24220-1-git-send-email-jeffy.chen@rock-chips.com> References: <1498039313-24220-1-git-send-email-jeffy.chen@rock-chips.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use generic wakeup-source property to enable spi device wakeup. Signed-off-by: Jeffy Chen --- Changes in v3: None drivers/spi/spi.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index c3f6b52..a510bba 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -547,11 +547,16 @@ int spi_add_device(struct spi_device *spi) /* Device may be bound to an active driver when this returns */ status = device_add(&spi->dev); - if (status < 0) + if (status < 0) { dev_err(dev, "can't add %s, status %d\n", - dev_name(&spi->dev), status); - else - dev_dbg(dev, "registered child %s\n", dev_name(&spi->dev)); + dev_name(&spi->dev), status); + goto done; + } + + dev_dbg(dev, "registered child %s\n", dev_name(&spi->dev)); + + if (device_property_read_bool(&spi->dev, "wakeup-source")) + device_init_wakeup(&spi->dev, true); done: mutex_unlock(&spi_add_lock); @@ -638,6 +643,8 @@ void spi_unregister_device(struct spi_device *spi) if (!spi) return; + device_init_wakeup(&spi->dev, false); + if (spi->dev.of_node) { of_node_clear_flag(spi->dev.of_node, OF_POPULATED); of_node_put(spi->dev.of_node);