From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752665AbdASMbE (ORCPT ); Thu, 19 Jan 2017 07:31:04 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:43323 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752445AbdASMao (ORCPT ); Thu, 19 Jan 2017 07:30:44 -0500 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com Cc: Olof Johansson , Lee Jones , Alessandro Zummo , Alexandre Belloni , Stephen Barber Subject: [PATCH v2 4/4] mfd: cros_ec: add RTC as mfd subdevice Date: Thu, 19 Jan 2017 13:30:32 +0100 Message-Id: <20170119123032.24679-4-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170119123032.24679-1-enric.balletbo@collabora.com> References: <20170119123032.24679-1-enric.balletbo@collabora.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stephen Barber If the EC supports RTC host commands, expose an RTC device. Signed-off-by: Stephen Barber Signed-off-by: Enric Balletbo i Serra --- drivers/platform/chrome/cros_ec_dev.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/platform/chrome/cros_ec_dev.c b/drivers/platform/chrome/cros_ec_dev.c index 47268ec..ebe029d 100644 --- a/drivers/platform/chrome/cros_ec_dev.c +++ b/drivers/platform/chrome/cros_ec_dev.c @@ -383,6 +383,24 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec) kfree(msg); } +static const struct mfd_cell cros_ec_rtc_devs[] = { + { + .name = "cros-ec-rtc", + .id = -1, + }, +}; + +static void cros_ec_rtc_register(struct cros_ec_dev *ec) +{ + int ret; + + ret = mfd_add_devices(ec->dev, 0, cros_ec_rtc_devs, + ARRAY_SIZE(cros_ec_rtc_devs), + NULL, 0, NULL); + if (ret) + dev_err(ec->dev, "failed to add cros-ec-rtc device: %d\n", ret); +} + static int ec_device_probe(struct platform_device *pdev) { int retval = -ENOMEM; @@ -441,6 +459,10 @@ static int ec_device_probe(struct platform_device *pdev) if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE)) cros_ec_sensors_register(ec); + /* check whether this EC instance has RTC host command support */ + if (cros_ec_check_features(ec, EC_FEATURE_RTC)) + cros_ec_rtc_register(ec); + return 0; dev_reg_failed: -- 2.9.3