From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752870AbdFUKDd (ORCPT ); Wed, 21 Jun 2017 06:03:33 -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 X-263anti-spam: X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ABS-CHECKED: 4 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-DNS-TYPE: 0 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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); -- 2.1.4