From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-fx0-f51.google.com (mail-fx0-f51.google.com [209.85.161.51]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 2EC2AB6F7A for ; Sat, 6 Aug 2011 08:54:48 +1000 (EST) Received: by fxh10 with SMTP id 10so3186350fxh.38 for ; Fri, 05 Aug 2011 15:54:44 -0700 (PDT) Sender: Grant Likely Date: Fri, 5 Aug 2011 23:54:35 +0100 From: Grant Likely To: Rob Herring Subject: Re: [PATCH 1/3] i2c: move of_i2c_register_devices call into core Message-ID: <20110805225435.GA6404@ponder.secretlab.ca> References: <1312579468-19365-1-git-send-email-robherring2@gmail.com> <1312579468-19365-2-git-send-email-robherring2@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1312579468-19365-2-git-send-email-robherring2@gmail.com> Cc: Stephen Warren , Sebastian Andrzej Siewior , Rob Herring , linux-kernel@vger.kernel.org, Dirk Brandewie , linux-i2c@vger.kernel.org, Ben Dooks , Jean Delvare , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Aug 05, 2011 at 04:24:26PM -0500, Rob Herring wrote: > From: Rob Herring > > All callers of of_i2c_register_devices are immediately preceded by a call > to i2c_add_adapter or i2c_add_numbered_adapter. Add call to > of_i2c_register_devices and remove all other callers. > > This causes a module dependency loop that is resolved by the next commit. Wrong way around. Don't break bisectability. I'll leave it up to Ben and Jean on weather or not they want to move this code. I intend to do the same thing for spi/gpio, but I maintain those subsystems so I get to choose. i2c is not up to me. g. > > Signed-off-by: Rob Herring > Cc: Grant Likely > Cc: Jochen Friedrich > Cc: Jean Delvare > Cc: Ben Dooks > Cc: Sebastian Andrzej Siewior > Cc: Dirk Brandewie > Cc: Stephen Warren > Cc: linuxppc-dev@lists.ozlabs.org > Cc: linux-i2c@vger.kernel.org > --- > drivers/i2c/busses/i2c-cpm.c | 6 ------ > drivers/i2c/busses/i2c-ibm_iic.c | 4 ---- > drivers/i2c/busses/i2c-mpc.c | 2 -- > drivers/i2c/busses/i2c-pxa.c | 2 -- > drivers/i2c/busses/i2c-tegra.c | 3 --- > drivers/i2c/i2c-core.c | 4 ++++ > 6 files changed, 4 insertions(+), 17 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c > index b1d9cd2..7cbc82a 100644 > --- a/drivers/i2c/busses/i2c-cpm.c > +++ b/drivers/i2c/busses/i2c-cpm.c > @@ -42,7 +42,6 @@ > #include > #include > #include > -#include > #include > #include > > @@ -673,11 +672,6 @@ static int __devinit cpm_i2c_probe(struct platform_device *ofdev) > dev_dbg(&ofdev->dev, "hw routines for %s registered.\n", > cpm->adap.name); > > - /* > - * register OF I2C devices > - */ > - of_i2c_register_devices(&cpm->adap); > - > return 0; > out_shut: > cpm_i2c_shutdown(cpm); > diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c > index 3c110fb..5ba15ba 100644 > --- a/drivers/i2c/busses/i2c-ibm_iic.c > +++ b/drivers/i2c/busses/i2c-ibm_iic.c > @@ -42,7 +42,6 @@ > #include > #include > #include > -#include > > #include "i2c-ibm_iic.h" > > @@ -759,9 +758,6 @@ static int __devinit iic_probe(struct platform_device *ofdev) > dev_info(&ofdev->dev, "using %s mode\n", > dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)"); > > - /* Now register all the child nodes */ > - of_i2c_register_devices(adap); > - > return 0; > > error_cleanup: > diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c > index 107397a..a433f59 100644 > --- a/drivers/i2c/busses/i2c-mpc.c > +++ b/drivers/i2c/busses/i2c-mpc.c > @@ -18,7 +18,6 @@ > #include > #include > #include > -#include > #include > > #include > @@ -637,7 +636,6 @@ static int __devinit fsl_i2c_probe(struct platform_device *op) > dev_err(i2c->dev, "failed to add adapter\n"); > goto fail_add; > } > - of_i2c_register_devices(&i2c->adap); > > return result; > > diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c > index d603646..c1c2885 100644 > --- a/drivers/i2c/busses/i2c-pxa.c > +++ b/drivers/i2c/busses/i2c-pxa.c > @@ -29,7 +29,6 @@ > #include > #include > #include > -#include > #include > #include > #include > @@ -1147,7 +1146,6 @@ static int i2c_pxa_probe(struct platform_device *dev) > printk(KERN_INFO "I2C: Failed to add bus\n"); > goto eadapt; > } > - of_i2c_register_devices(&i2c->adap); > > platform_set_drvdata(dev, i2c); > > diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c > index 2440b74..9ec0a58 100644 > --- a/drivers/i2c/busses/i2c-tegra.c > +++ b/drivers/i2c/busses/i2c-tegra.c > @@ -26,7 +26,6 @@ > #include > #include > #include > -#include > > #include > > @@ -653,8 +652,6 @@ static int tegra_i2c_probe(struct platform_device *pdev) > goto err_free_irq; > } > > - of_i2c_register_devices(&i2c_dev->adapter); > - > return 0; > err_free_irq: > free_irq(i2c_dev->irq, i2c_dev); > diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c > index 131079a..011e195 100644 > --- a/drivers/i2c/i2c-core.c > +++ b/drivers/i2c/i2c-core.c > @@ -32,6 +32,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -863,6 +864,9 @@ static int i2c_register_adapter(struct i2c_adapter *adap) > if (adap->nr < __i2c_first_dynamic_bus_num) > i2c_scan_static_board_info(adap); > > + /* Register devices from the device tree */ > + of_i2c_register_devices(adap); > + > /* Notify drivers */ > mutex_lock(&core_lock); > bus_for_each_drv(&i2c_bus_type, NULL, adap, __process_new_adapter); > -- > 1.7.4.1 >