Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753471AbcDCIz4 (ORCPT ); Sun, 3 Apr 2016 04:55:56 -0400 Received: from mail.lysator.liu.se ([130.236.254.3]:56843 "EHLO mail.lysator.liu.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752419AbcDCIzw (ORCPT ); Sun, 3 Apr 2016 04:55:52 -0400 From: Peter Rosin To: linux-kernel@vger.kernel.org Cc: Peter Rosin , Wolfram Sang , Jonathan Corbet , Peter Korsgaard , Guenter Roeck , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald , Antti Palosaari , Mauro Carvalho Chehab , Rob Herring , Frank Rowand , Grant Likely , Andrew Morton , Greg Kroah-Hartman , "David S. Miller" , Kalle Valo , Joe Perches , Jiri Slaby , Daniel Baluta , Adriana Reus , Lucas De Marchi , Matt Ranostay , Krzysztof Kozlowski , Terry Heo , Hans Verkuil , Arnd Bergmann , Tommi Rantala , linux-i2c@vger.kernel.org, linux-doc@vger.kernel.org, linux-iio@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, Peter Rosin Subject: [PATCH v6 12/24] [media] si2168: convert to use an explicit i2c mux core Date: Sun, 3 Apr 2016 10:52:42 +0200 Message-Id: <1459673574-11440-13-git-send-email-peda@lysator.liu.se> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1459673574-11440-1-git-send-email-peda@lysator.liu.se> References: <1459673574-11440-1-git-send-email-peda@lysator.liu.se> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3046 Lines: 90 From: Peter Rosin Allocate an explicit i2c mux core to handle parent and child adapters etc. Update the select/deselect ops to be in terms of the i2c mux core instead of the child adapter. Reviewed-by: Antti Palosaari Signed-off-by: Peter Rosin --- drivers/media/dvb-frontends/si2168.c | 22 ++++++++++++---------- drivers/media/dvb-frontends/si2168_priv.h | 2 +- 2 files changed, 13 insertions(+), 11 deletions(-) diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c index 821a8f481507..ca455d01c71d 100644 --- a/drivers/media/dvb-frontends/si2168.c +++ b/drivers/media/dvb-frontends/si2168.c @@ -615,9 +615,9 @@ static int si2168_get_tune_settings(struct dvb_frontend *fe, * We must use unlocked I2C I/O because I2C adapter lock is already taken * by the caller (usually tuner driver). */ -static int si2168_select(struct i2c_adapter *adap, void *mux_priv, u32 chan) +static int si2168_select(struct i2c_mux_core *muxc, u32 chan) { - struct i2c_client *client = mux_priv; + struct i2c_client *client = i2c_mux_priv(muxc); int ret; struct si2168_cmd cmd; @@ -635,9 +635,9 @@ err: return ret; } -static int si2168_deselect(struct i2c_adapter *adap, void *mux_priv, u32 chan) +static int si2168_deselect(struct i2c_mux_core *muxc, u32 chan) { - struct i2c_client *client = mux_priv; + struct i2c_client *client = i2c_mux_priv(muxc); int ret; struct si2168_cmd cmd; @@ -709,17 +709,19 @@ static int si2168_probe(struct i2c_client *client, } /* create mux i2c adapter for tuner */ - dev->adapter = i2c_add_mux_adapter(client->adapter, &client->dev, - client, 0, 0, 0, si2168_select, si2168_deselect); - if (dev->adapter == NULL) { - ret = -ENODEV; + dev->muxc = i2c_mux_one_adapter(client->adapter, &client->dev, 0, 0, + 0, 0, 0, + si2168_select, si2168_deselect); + if (IS_ERR(dev->muxc)) { + ret = PTR_ERR(dev->muxc); goto err_kfree; } + dev->muxc->priv = client; /* create dvb_frontend */ memcpy(&dev->fe.ops, &si2168_ops, sizeof(struct dvb_frontend_ops)); dev->fe.demodulator_priv = client; - *config->i2c_adapter = dev->adapter; + *config->i2c_adapter = dev->muxc->adapter[0]; *config->fe = &dev->fe; dev->ts_mode = config->ts_mode; dev->ts_clock_inv = config->ts_clock_inv; @@ -743,7 +745,7 @@ static int si2168_remove(struct i2c_client *client) dev_dbg(&client->dev, "\n"); - i2c_del_mux_adapter(dev->adapter); + i2c_mux_del_adapters(dev->muxc); dev->fe.ops.release = NULL; dev->fe.demodulator_priv = NULL; diff --git a/drivers/media/dvb-frontends/si2168_priv.h b/drivers/media/dvb-frontends/si2168_priv.h index c07e6fe2cb10..165bf1412063 100644 --- a/drivers/media/dvb-frontends/si2168_priv.h +++ b/drivers/media/dvb-frontends/si2168_priv.h @@ -29,7 +29,7 @@ /* state struct */ struct si2168_dev { - struct i2c_adapter *adapter; + struct i2c_mux_core *muxc; struct dvb_frontend fe; enum fe_delivery_system delivery_system; enum fe_status fe_status; -- 2.1.4