From patchwork Tue Jan 5 15:57:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Rosin X-Patchwork-Id: 7956031 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6DB1BBEEE5 for ; Tue, 5 Jan 2016 16:00:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3392B20328 for ; Tue, 5 Jan 2016 16:00:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BAE6B201EC for ; Tue, 5 Jan 2016 16:00:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752483AbcAEP7z (ORCPT ); Tue, 5 Jan 2016 10:59:55 -0500 Received: from mail.lysator.liu.se ([130.236.254.3]:47549 "EHLO mail.lysator.liu.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751906AbcAEP6F (ORCPT ); Tue, 5 Jan 2016 10:58:05 -0500 Received: from mail.lysator.liu.se (localhost [127.0.0.1]) by mail.lysator.liu.se (Postfix) with ESMTP id 23AD340046; Tue, 5 Jan 2016 16:58:03 +0100 (CET) Received: from localhost.localdomain (217-210-101-82-no95.business.telia.com [217.210.101.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.lysator.liu.se (Postfix) with ESMTPSA id 4BCA440035; Tue, 5 Jan 2016 16:58:01 +0100 (CET) From: Peter Rosin To: Wolfram Sang Cc: Peter Rosin , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Peter Korsgaard , Guenter Roeck , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald , Antti Palosaari , Mauro Carvalho Chehab , Frank Rowand , Grant Likely , Adriana Reus , Srinivas Pandruvada , Krzysztof Kozlowski , Hans Verkuil , Nicholas Mc Guire , Olli Salonen , Peter Rosin , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v2 4/8] i2c-mux: remove the mux dev pointer from the mux per channel data Date: Tue, 5 Jan 2016 16:57:14 +0100 Message-Id: <1452009438-27347-5-git-send-email-peda@lysator.liu.se> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1452009438-27347-1-git-send-email-peda@lysator.liu.se> References: <1452009438-27347-1-git-send-email-peda@lysator.liu.se> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Peter Rosin The dev pointer is readily available in the mux core struct, no point in keeping multiple copies around. The patch also fixes a bug in rtl2832, which attached its mux slave adapter to the device owning the mux parent adapter instead of attaching it to its own device. Signed-off-by: Peter Rosin --- drivers/i2c/i2c-mux.c | 24 ++++++++++++------------ drivers/i2c/muxes/i2c-arb-gpio-challenge.c | 2 +- drivers/i2c/muxes/i2c-mux-gpio.c | 3 +-- drivers/i2c/muxes/i2c-mux-pca9541.c | 2 +- drivers/i2c/muxes/i2c-mux-pca954x.c | 3 +-- drivers/i2c/muxes/i2c-mux-pinctrl.c | 3 +-- drivers/i2c/muxes/i2c-mux-reg.c | 3 +-- drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 2 +- drivers/media/dvb-frontends/m88ds3103.c | 2 +- drivers/media/dvb-frontends/rtl2830.c | 2 +- drivers/media/dvb-frontends/rtl2832.c | 2 +- drivers/media/dvb-frontends/si2168.c | 2 +- drivers/media/usb/cx231xx/cx231xx-i2c.c | 3 --- drivers/of/unittest.c | 2 +- include/linux/i2c-mux.h | 1 - 15 files changed, 24 insertions(+), 32 deletions(-) diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index 7ba0308537a8..5c1088079231 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -32,7 +32,6 @@ struct i2c_mux_priv { struct i2c_adapter adap; struct i2c_algorithm algo; struct i2c_mux_core *muxc; - struct device *mux_dev; u32 chan_id; }; @@ -137,7 +136,6 @@ struct i2c_mux_core *i2c_mux_alloc(struct device *dev, int sizeof_priv) EXPORT_SYMBOL_GPL(i2c_mux_alloc); int i2c_add_mux_adapter(struct i2c_mux_core *muxc, - struct device *mux_dev, u32 force_nr, u32 chan_id, unsigned int class) { @@ -162,7 +160,6 @@ int i2c_add_mux_adapter(struct i2c_mux_core *muxc, /* Set up private adapter data */ priv->muxc = muxc; - priv->mux_dev = mux_dev; priv->chan_id = chan_id; /* Need to do algo dynamically because we don't know ahead @@ -197,11 +194,11 @@ int i2c_add_mux_adapter(struct i2c_mux_core *muxc, * Try to populate the mux adapter's of_node, expands to * nothing if !CONFIG_OF. */ - if (mux_dev->of_node) { + if (muxc->dev->of_node) { struct device_node *child; u32 reg; - for_each_child_of_node(mux_dev->of_node, child) { + for_each_child_of_node(muxc->dev->of_node, child) { ret = of_property_read_u32(child, "reg", ®); if (ret) continue; @@ -215,8 +212,9 @@ int i2c_add_mux_adapter(struct i2c_mux_core *muxc, /* * Associate the mux channel with an ACPI node. */ - if (has_acpi_companion(mux_dev)) - acpi_preset_companion(&priv->adap.dev, ACPI_COMPANION(mux_dev), + if (has_acpi_companion(muxc->dev)) + acpi_preset_companion(&priv->adap.dev, + ACPI_COMPANION(muxc->dev), chan_id); if (force_nr) { @@ -233,12 +231,14 @@ int i2c_add_mux_adapter(struct i2c_mux_core *muxc, return ret; } - WARN(sysfs_create_link(&priv->adap.dev.kobj, &mux_dev->kobj, "mux_device"), - "can't create symlink to mux device\n"); + WARN(sysfs_create_link(&priv->adap.dev.kobj, &muxc->dev->kobj, + "mux_device"), + "can't create symlink to mux device\n"); snprintf(symlink_name, sizeof(symlink_name), "channel-%u", chan_id); - WARN(sysfs_create_link(&mux_dev->kobj, &priv->adap.dev.kobj, symlink_name), - "can't create symlink for channel %u\n", chan_id); + WARN(sysfs_create_link(&muxc->dev->kobj, &priv->adap.dev.kobj, + symlink_name), + "can't create symlink for channel %u\n", chan_id); dev_info(&parent->dev, "Added multiplexed i2c bus %d\n", i2c_adapter_id(&priv->adap)); @@ -259,7 +259,7 @@ void i2c_del_mux_adapters(struct i2c_mux_core *muxc) snprintf(symlink_name, sizeof(symlink_name), "channel-%u", priv->chan_id); - sysfs_remove_link(&priv->mux_dev->kobj, symlink_name); + sysfs_remove_link(&muxc->dev->kobj, symlink_name); sysfs_remove_link(&priv->adap.dev.kobj, "mux_device"); i2c_del_adapter(adap); diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c index e0558e8a0e74..c2bc18c7921f 100644 --- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c +++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c @@ -204,7 +204,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev) } /* Actually add the mux adapter */ - ret = i2c_add_mux_adapter(muxc, dev, 0, 0, 0); + ret = i2c_add_mux_adapter(muxc, 0, 0, 0); if (ret) { dev_err(dev, "Failed to add adapter\n"); i2c_put_adapter(muxc->parent); diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index 6bd41ace81d4..e800c4597fa4 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -216,8 +216,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev) u32 nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; unsigned int class = mux->data.classes ? mux->data.classes[i] : 0; - ret = i2c_add_mux_adapter(muxc, &pdev->dev, nr, - mux->data.values[i], class); + ret = i2c_add_mux_adapter(muxc, nr, mux->data.values[i], class); if (ret) { dev_err(&pdev->dev, "Failed to add adapter %d\n", i); goto add_adapter_failed; diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c index 80de0a0977a5..0e18d25334b5 100644 --- a/drivers/i2c/muxes/i2c-mux-pca9541.c +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c @@ -361,7 +361,7 @@ static int pca9541_probe(struct i2c_client *client, force = 0; if (pdata) force = pdata->modes[0].adap_id; - ret = i2c_add_mux_adapter(muxc, &client->dev, force, 0, 0); + ret = i2c_add_mux_adapter(muxc, force, 0, 0); if (ret) { dev_err(&client->dev, "failed to register master selector\n"); return ret; diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c index 640670b604f5..2d15325b6282 100644 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -256,8 +256,7 @@ static int pca954x_probe(struct i2c_client *client, || idle_disconnect_dt) << num; } - ret = i2c_add_mux_adapter(muxc, &client->dev, - force, num, class); + ret = i2c_add_mux_adapter(muxc, force, num, class); if (ret) { dev_err(&client->dev, diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index 3bbb3fb1d693..0dc912898813 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -212,8 +212,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev) u32 bus = mux->pdata->base_bus_num ? (mux->pdata->base_bus_num + i) : 0; - ret = i2c_add_mux_adapter(muxc, &pdev->dev, - bus, i, 0); + ret = i2c_add_mux_adapter(muxc, bus, i, 0); if (ret) { dev_err(&pdev->dev, "Failed to add adapter %d\n", i); goto err_del_adapter; diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c index 5c004ff5b6ad..3c919e49260c 100644 --- a/drivers/i2c/muxes/i2c-mux-reg.c +++ b/drivers/i2c/muxes/i2c-mux-reg.c @@ -227,8 +227,7 @@ static int i2c_mux_reg_probe(struct platform_device *pdev) nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; class = mux->data.classes ? mux->data.classes[i] : 0; - ret = i2c_add_mux_adapter(muxc, &pdev->dev, nr, - mux->data.values[i], class); + ret = i2c_add_mux_adapter(muxc, nr, mux->data.values[i], class); if (ret) { dev_err(&pdev->dev, "Failed to add adapter %d\n", i); goto add_adapter_failed; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index a9a163c1c22c..5cd3c48682e6 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -850,7 +850,7 @@ static int inv_mpu_probe(struct i2c_client *client, st->muxc->select = inv_mpu6050_select_bypass; st->muxc->deselect = inv_mpu6050_deselect_bypass; - result = i2c_add_mux_adapter(st->muxc, &client->dev, 0, 0, 0); + result = i2c_add_mux_adapter(st->muxc, 0, 0, 0); if (result) goto out_unreg_device; diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c index deab5cdba01f..45ad3ef82b4f 100644 --- a/drivers/media/dvb-frontends/m88ds3103.c +++ b/drivers/media/dvb-frontends/m88ds3103.c @@ -1476,7 +1476,7 @@ static int m88ds3103_probe(struct i2c_client *client, dev->muxc->select = m88ds3103_select; /* create mux i2c adapter for tuner */ - ret = i2c_add_mux_adapter(dev->muxc, &client->dev, 0, 0, 0); + ret = i2c_add_mux_adapter(dev->muxc, 0, 0, 0); if (ret) goto err_kfree; diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index 9864740722dd..1da8d2e22983 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -874,7 +874,7 @@ static int rtl2830_probe(struct i2c_client *client, dev->muxc->select = rtl2830_select; /* create muxed i2c adapter for tuner */ - ret = i2c_add_mux_adapter(dev->muxc, &client->dev, 0, 0, 0); + ret = i2c_add_mux_adapter(dev->muxc, 0, 0, 0); if (ret) goto err_regmap_exit; diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 99d8dbf66fd7..c586150623f7 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -1271,7 +1271,7 @@ static int rtl2832_probe(struct i2c_client *client, dev->muxc->deselect = rtl2832_deselect; /* create muxed i2c adapter for demod tuner bus */ - ret = i2c_add_mux_adapter(dev->muxc, &i2c->dev, 0, 0, 0); + ret = i2c_add_mux_adapter(dev->muxc, 0, 0, 0); if (ret) goto err_regmap_exit; diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c index 06aa496cc42c..ae217b5e6618 100644 --- a/drivers/media/dvb-frontends/si2168.c +++ b/drivers/media/dvb-frontends/si2168.c @@ -719,7 +719,7 @@ static int si2168_probe(struct i2c_client *client, dev->muxc->deselect = si2168_deselect; /* create mux i2c adapter for tuner */ - ret = i2c_add_mux_adapter(dev->muxc, &client->dev, 0, 0, 0); + ret = i2c_add_mux_adapter(dev->muxc, 0, 0, 0); if (ret) goto err_kfree; diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index 2b5adb056827..bfa63cf69235 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -577,12 +577,9 @@ int cx231xx_i2c_mux_create(struct cx231xx *dev) int cx231xx_i2c_mux_register(struct cx231xx *dev, int mux_no) { - /* what is the correct mux_dev? */ - struct device *mux_dev = dev->dev; int rc; rc = i2c_add_mux_adapter(dev->muxc, - mux_dev, 0, mux_no /* chan_id */, 0 /* class */); diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 77ccc54cfdc9..46897ed4e396 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -1722,7 +1722,7 @@ static int unittest_i2c_mux_probe(struct i2c_client *client, if (ret) return ret; for (i = 0; i < nchans; i++) { - ret = i2c_add_mux_adapter(muxc, dev, 0, i, 0); + ret = i2c_add_mux_adapter(muxc, 0, i, 0); if (ret) { dev_err(dev, "Failed to register mux #%d\n", i); i2c_del_mux_adapters(muxc); diff --git a/include/linux/i2c-mux.h b/include/linux/i2c-mux.h index bfcdcc46f2a6..d88e0a3b6768 100644 --- a/include/linux/i2c-mux.h +++ b/include/linux/i2c-mux.h @@ -56,7 +56,6 @@ int i2c_mux_reserve_adapters(struct i2c_mux_core *muxc, int adapters); * mux control. */ int i2c_add_mux_adapter(struct i2c_mux_core *muxc, - struct device *mux_dev, u32 force_nr, u32 chan_id, unsigned int class);