linux-kernel - Re: [PATCH] i3c: Remove unused i3c_device_do

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <f764b674-3396-405a-804f-a50cd8caa124@quicinc.com>
Date: Mon, 13 Jan 2025 15:30:39 +0530
From: Mukesh Kumar Savaliya <quic_msavaliy@...cinc.com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>, <linux@...blig.org>
CC: <linux-i3c@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] i3c: Remove unused i3c_device_do_setdasa



On 1/13/2025 4:24 AM, Alexandre Belloni wrote:
> Hello,
> 
> On 21/12/2024 14:34:18+0000, linux@...blig.org wrote:
>> From: "Dr. David Alan Gilbert" <linux@...blig.org>
>>
>> i3c_device_do_setdasa() was added in 2022 as part of
>> commit 672825cd2823 ("i3c: export SETDASA method")
>>
>> but has been unused.
>>
>> It calls i3c_dev_setdasa_locked() which is now also unused.
>>
>> Remove them both.
I think there might be few drivers in future, which can use.
The function looks good to be used.
>> (This is effectively a revert of 672825cd2823).
>>
> 
> 
> Yeah, i guess this just means that we didn't see the device driver yet.
> I'm going to keep those function around for now.
> 
Agree here. We should keep this function as is.
>> Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
>> ---
>>   drivers/i3c/device.c       | 20 --------------------
>>   drivers/i3c/internals.h    |  1 -
>>   drivers/i3c/master.c       | 19 -------------------
>>   include/linux/i3c/device.h |  2 --
>>   4 files changed, 42 deletions(-)
>>
>> diff --git a/drivers/i3c/device.c b/drivers/i3c/device.c
>> index e80e48756914..984976f28314 100644
>> --- a/drivers/i3c/device.c
>> +++ b/drivers/i3c/device.c
>> @@ -54,26 +54,6 @@ int i3c_device_do_priv_xfers(struct i3c_device *dev,
>>   }
>>   EXPORT_SYMBOL_GPL(i3c_device_do_priv_xfers);
>>   
>> -/**
>> - * i3c_device_do_setdasa() - do I3C dynamic address assignement with
>> - *                           static address
>> - *
>> - * @dev: device with which the DAA should be done
>> - *
>> - * Return: 0 in case of success, a negative error core otherwise.
>> - */
>> -int i3c_device_do_setdasa(struct i3c_device *dev)
>> -{
>> -	int ret;
>> -
>> -	i3c_bus_normaluse_lock(dev->bus);
>> -	ret = i3c_dev_setdasa_locked(dev->desc);
>> -	i3c_bus_normaluse_unlock(dev->bus);
>> -
>> -	return ret;
>> -}
>> -EXPORT_SYMBOL_GPL(i3c_device_do_setdasa);
>> -
>>   /**
>>    * i3c_device_get_info() - get I3C device information
>>    *
>> diff --git a/drivers/i3c/internals.h b/drivers/i3c/internals.h
>> index 433f6088b7ce..842e1a865877 100644
>> --- a/drivers/i3c/internals.h
>> +++ b/drivers/i3c/internals.h
>> @@ -13,7 +13,6 @@
>>   void i3c_bus_normaluse_lock(struct i3c_bus *bus);
>>   void i3c_bus_normaluse_unlock(struct i3c_bus *bus);
>>   
>> -int i3c_dev_setdasa_locked(struct i3c_dev_desc *dev);
>>   int i3c_dev_do_priv_xfers_locked(struct i3c_dev_desc *dev,
>>   				 struct i3c_priv_xfer *xfers,
>>   				 int nxfers);
>> diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
>> index 42310c9a00c2..000187339400 100644
>> --- a/drivers/i3c/master.c
>> +++ b/drivers/i3c/master.c
>> @@ -2916,25 +2916,6 @@ void i3c_master_unregister(struct i3c_master_controller *master)
>>   }
>>   EXPORT_SYMBOL_GPL(i3c_master_unregister);
>>   
>> -int i3c_dev_setdasa_locked(struct i3c_dev_desc *dev)
>> -{
>> -	struct i3c_master_controller *master;
>> -
>> -	if (!dev)
>> -		return -ENOENT;
>> -
>> -	master = i3c_dev_get_master(dev);
>> -	if (!master)
>> -		return -EINVAL;
>> -
>> -	if (!dev->boardinfo || !dev->boardinfo->init_dyn_addr ||
>> -		!dev->boardinfo->static_addr)
>> -		return -EINVAL;
>> -
>> -	return i3c_master_setdasa_locked(master, dev->info.static_addr,
>> -						dev->boardinfo->init_dyn_addr);
>> -}
>> -
>>   int i3c_dev_do_priv_xfers_locked(struct i3c_dev_desc *dev,
>>   				 struct i3c_priv_xfer *xfers,
>>   				 int nxfers)
>> diff --git a/include/linux/i3c/device.h b/include/linux/i3c/device.h
>> index 0a8a44ac2f02..f4e924c179d7 100644
>> --- a/include/linux/i3c/device.h
>> +++ b/include/linux/i3c/device.h
>> @@ -301,8 +301,6 @@ int i3c_device_do_priv_xfers(struct i3c_device *dev,
>>   			     struct i3c_priv_xfer *xfers,
>>   			     int nxfers);
>>   
>> -int i3c_device_do_setdasa(struct i3c_device *dev);
>> -
>>   void i3c_device_get_info(const struct i3c_device *dev, struct i3c_device_info *info);
>>   
>>   struct i3c_ibi_payload {
>> -- 
>> 2.47.1
>>
>