linux-kernel - [PATCH v5 10/11] mfd: cros_ec: Use mfd_add_hotplug

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Message-Id: <20190722133257.9336-11-enric.balletbo@collabora.com>
Date:   Mon, 22 Jul 2019 15:32:56 +0200
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     linux-kernel@...r.kernel.org
Cc:     Jonathan Corbet <corbet@....net>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Will Deacon <will.deacon@....com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Collabora kernel ML <kernel@...labora.com>,
        Gwendal Grignou <gwendal@...omium.org>
Subject: [PATCH v5 10/11] mfd: cros_ec: Use mfd_add_hotplug_devices() helper

Use mfd_add_hotplug_devices() helper to register the subdevices.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
Reviewed-by: Gwendal Grignou <gwendal@...omium.org>
Tested-by: Gwendal Grignou <gwendal@...omium.org>
---

Changes in v5: None
Changes in v4: None
Changes in v3:
- Add a new patch to use mfd_add_hoplug_devices to register subdevices

Changes in v2: None

 drivers/mfd/cros_ec_dev.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index 38627f6b78af..4f0451090a27 100644
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -328,10 +328,8 @@ static void cros_ec_accel_legacy_register(struct cros_ec_dev *ec)
 	 * Register 2 accelerometers, we will fail in the IIO driver if there
 	 * are no sensors.
 	 */
-	ret = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO,
-			      cros_ec_accel_legacy_cells,
-			      ARRAY_SIZE(cros_ec_accel_legacy_cells),
-			      NULL, 0, NULL);
+	ret = mfd_add_hotplug_devices(ec->dev, cros_ec_accel_legacy_cells,
+				      ARRAY_SIZE(cros_ec_accel_legacy_cells));
 	if (ret)
 		dev_err(ec_dev->dev, "failed to add EC sensors\n");
 }
@@ -417,10 +415,8 @@ static int ec_device_probe(struct platform_device *pdev)
 	 * The following subdevices cannot be detected by sending the
 	 * EC_FEATURE_GET_CMD to the Embedded Controller device.
 	 */
-	retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO,
-				 cros_ec_platform_cells,
-				 ARRAY_SIZE(cros_ec_platform_cells),
-				 NULL, 0, NULL);
+	retval = mfd_add_hotplug_devices(ec->dev, cros_ec_platform_cells,
+					 ARRAY_SIZE(cros_ec_platform_cells));
 	if (retval)
 		dev_warn(ec->dev,
 			 "failed to add cros-ec platform devices: %d\n",
@@ -429,10 +425,8 @@ static int ec_device_probe(struct platform_device *pdev)
 	/* Check whether this EC instance has a VBC NVRAM */
 	node = ec->ec_dev->dev->of_node;
 	if (of_property_read_bool(node, "google,has-vbc-nvram")) {
-		retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO,
-					 cros_ec_vbc_cells,
-					 ARRAY_SIZE(cros_ec_vbc_cells),
-					 NULL, 0, NULL);
+		retval = mfd_add_hotplug_devices(ec->dev, cros_ec_vbc_cells,
+						ARRAY_SIZE(cros_ec_vbc_cells));
 		if (retval)
 			dev_warn(ec->dev, "failed to add VBC devices: %d\n",
 				 retval);
-- 
2.20.1