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Message-ID: <4BC0B191.9040703@infradead.org>
Date: Sat, 10 Apr 2010 14:12:49 -0300
From: Mauro Carvalho Chehab <mchehab@...radead.org>
To: Mike Isely <isely@...ly.net>
CC: Wolfram Sang <w.sang@...gutronix.de>,
kernel-janitors@...r.kernel.org,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Greg KH <gregkh@...e.de>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Sujith Thomas <sujith.thomas@...el.com>,
Matthew Garrett <mjg@...hat.com>, linuxppc-dev@...abs.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-media@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH] device_attributes: add sysfs_attr_init() for dynamic
attributes
Mike Isely wrote:
> Acked-By: Mike Isely <isely@...ox.com>
>
> (in the context of the pvrusb2 driver related changes)
Acked-by: Mauro Carvalho Chehab <mchehab@...hat.com>
>
> -Mike
>
> On Mon, 22 Mar 2010, Wolfram Sang wrote:
>
>> Made necessary by 6992f5334995af474c2b58d010d08bc597f0f2fe.
>>
>> Found by this semantic patch:
>>
>> @ init @
>> type T;
>> identifier A;
>> @@
>>
>> T {
>> ...
>> struct device_attribute A;
>> ...
>> };
>>
>> @ main extends init @
>> expression E;
>> statement S;
>> identifier err;
>> T *name;
>> @@
>>
>> ... when != sysfs_attr_init(&name->A.attr);
>> (
>> + sysfs_attr_init(&name->A.attr);
>> if (device_create_file(E, &name->A))
>> S
>> |
>> + sysfs_attr_init(&name->A.attr);
>> err = device_create_file(E, &name->A);
>> )
>>
>> While reviewing, I put the initialization to apropriate places.
>>
>> Signed-off-by: Wolfram Sang <w.sang@...gutronix.de>
>> Cc: Eric W. Biederman <ebiederm@...ssion.com>
>> Cc: Greg KH <gregkh@...e.de>
>> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
>> Cc: Mike Isely <isely@...ox.com>
>> Cc: Mauro Carvalho Chehab <mchehab@...radead.org>
>> Cc: Sujith Thomas <sujith.thomas@...el.com>
>> Cc: Matthew Garrett <mjg@...hat.com>
>> ---
>>
>> The thermal-sys.c-part should fix bugs #15548 and #15584.
>>
>> drivers/macintosh/windfarm_core.c | 1 +
>> drivers/media/video/pvrusb2/pvrusb2-sysfs.c | 8 ++++++++
>> drivers/platform/x86/intel_menlow.c | 1 +
>> drivers/thermal/thermal_sys.c | 1 +
>> drivers/video/fsl-diu-fb.c | 1 +
>> 5 files changed, 12 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c
>> index 419795f..f447642 100644
>> --- a/drivers/macintosh/windfarm_core.c
>> +++ b/drivers/macintosh/windfarm_core.c
>> @@ -209,6 +209,7 @@ int wf_register_control(struct wf_control *new_ct)
>> kref_init(&new_ct->ref);
>> list_add(&new_ct->link, &wf_controls);
>>
>> + sysfs_attr_init(&new_ct->attr.attr);
>> new_ct->attr.attr.name = new_ct->name;
>> new_ct->attr.attr.mode = 0644;
>> new_ct->attr.show = wf_show_control;
>> diff --git a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
>> index 6c23456..71f5056 100644
>> --- a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
>> +++ b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
>> @@ -423,10 +423,12 @@ static void pvr2_sysfs_add_debugifc(struct pvr2_sysfs *sfp)
>>
>> dip = kzalloc(sizeof(*dip),GFP_KERNEL);
>> if (!dip) return;
>> + sysfs_attr_init(&dip->attr_debugcmd.attr);
>> dip->attr_debugcmd.attr.name = "debugcmd";
>> dip->attr_debugcmd.attr.mode = S_IRUGO|S_IWUSR|S_IWGRP;
>> dip->attr_debugcmd.show = debugcmd_show;
>> dip->attr_debugcmd.store = debugcmd_store;
>> + sysfs_attr_init(&dip->attr_debuginfo.attr);
>> dip->attr_debuginfo.attr.name = "debuginfo";
>> dip->attr_debuginfo.attr.mode = S_IRUGO;
>> dip->attr_debuginfo.show = debuginfo_show;
>> @@ -644,6 +646,7 @@ static void class_dev_create(struct pvr2_sysfs *sfp,
>> return;
>> }
>>
>> + sysfs_attr_init(&sfp->attr_v4l_minor_number.attr);
>> sfp->attr_v4l_minor_number.attr.name = "v4l_minor_number";
>> sfp->attr_v4l_minor_number.attr.mode = S_IRUGO;
>> sfp->attr_v4l_minor_number.show = v4l_minor_number_show;
>> @@ -658,6 +661,7 @@ static void class_dev_create(struct pvr2_sysfs *sfp,
>> sfp->v4l_minor_number_created_ok = !0;
>> }
>>
>> + sysfs_attr_init(&sfp->attr_v4l_radio_minor_number.attr);
>> sfp->attr_v4l_radio_minor_number.attr.name = "v4l_radio_minor_number";
>> sfp->attr_v4l_radio_minor_number.attr.mode = S_IRUGO;
>> sfp->attr_v4l_radio_minor_number.show = v4l_radio_minor_number_show;
>> @@ -672,6 +676,7 @@ static void class_dev_create(struct pvr2_sysfs *sfp,
>> sfp->v4l_radio_minor_number_created_ok = !0;
>> }
>>
>> + sysfs_attr_init(&sfp->attr_unit_number.attr);
>> sfp->attr_unit_number.attr.name = "unit_number";
>> sfp->attr_unit_number.attr.mode = S_IRUGO;
>> sfp->attr_unit_number.show = unit_number_show;
>> @@ -685,6 +690,7 @@ static void class_dev_create(struct pvr2_sysfs *sfp,
>> sfp->unit_number_created_ok = !0;
>> }
>>
>> + sysfs_attr_init(&sfp->attr_bus_info.attr);
>> sfp->attr_bus_info.attr.name = "bus_info_str";
>> sfp->attr_bus_info.attr.mode = S_IRUGO;
>> sfp->attr_bus_info.show = bus_info_show;
>> @@ -699,6 +705,7 @@ static void class_dev_create(struct pvr2_sysfs *sfp,
>> sfp->bus_info_created_ok = !0;
>> }
>>
>> + sysfs_attr_init(&sfp->attr_hdw_name.attr);
>> sfp->attr_hdw_name.attr.name = "device_hardware_type";
>> sfp->attr_hdw_name.attr.mode = S_IRUGO;
>> sfp->attr_hdw_name.show = hdw_name_show;
>> @@ -713,6 +720,7 @@ static void class_dev_create(struct pvr2_sysfs *sfp,
>> sfp->hdw_name_created_ok = !0;
>> }
>>
>> + sysfs_attr_init(&sfp->attr_hdw_desc.attr);
>> sfp->attr_hdw_desc.attr.name = "device_hardware_description";
>> sfp->attr_hdw_desc.attr.mode = S_IRUGO;
>> sfp->attr_hdw_desc.show = hdw_desc_show;
>> diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c
>> index f0a90a6..90ba5d7 100644
>> --- a/drivers/platform/x86/intel_menlow.c
>> +++ b/drivers/platform/x86/intel_menlow.c
>> @@ -396,6 +396,7 @@ static int intel_menlow_add_one_attribute(char *name, int mode, void *show,
>> if (!attr)
>> return -ENOMEM;
>>
>> + sysfs_attr_init(&attr->attr.attr); /* That's consistent naming :D */
>> attr->attr.attr.name = name;
>> attr->attr.attr.mode = mode;
>> attr->attr.show = show;
>> diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
>> index 5066de5..d4fec47 100644
>> --- a/drivers/thermal/thermal_sys.c
>> +++ b/drivers/thermal/thermal_sys.c
>> @@ -725,6 +725,7 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
>> goto release_idr;
>>
>> sprintf(dev->attr_name, "cdev%d_trip_point", dev->id);
>> + sysfs_attr_init(&dev->attr.attr);
>> dev->attr.attr.name = dev->attr_name;
>> dev->attr.attr.mode = 0444;
>> dev->attr.show = thermal_cooling_device_trip_point_show;
>> diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
>> index 4637bcb..994358a 100644
>> --- a/drivers/video/fsl-diu-fb.c
>> +++ b/drivers/video/fsl-diu-fb.c
>> @@ -1536,6 +1536,7 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev,
>> goto error;
>> }
>>
>> + sysfs_attr_init(&machine_data->dev_attr.attr);
>> machine_data->dev_attr.attr.name = "monitor";
>> machine_data->dev_attr.attr.mode = S_IRUGO|S_IWUSR;
>> machine_data->dev_attr.show = show_monitor;
>>
>
--
Cheers,
Mauro
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