Re: [RFC PATCH v2 1/6] serial: uartps: Do not initialize field to zero again

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On 28.6.2018 01:48, Greg Kroah-Hartman wrote:
> On Wed, Jun 27, 2018 at 04:19:46PM +0200, Michal Simek wrote:
>> On 27.6.2018 12:09, Greg Kroah-Hartman wrote:
>>> On Tue, Jun 19, 2018 at 10:09:05AM +0200, Michal Simek wrote:
>>>> On 6.6.2018 14:41, Michal Simek wrote:
>>>>> Writing zero and NULLs to already initialized fields is not needed.
>>>>> Remove this additional writes.
>>>>>
>>>>> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
>>>>> ---
>>>>>
>>>>> Changes in v2:
>>>>> - new patch - it can be sent separately too
>>>>>
>>>>>  drivers/tty/serial/xilinx_uartps.c | 3 ---
>>>>>  1 file changed, 3 deletions(-)
>>>>>
>>>>> diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
>>>>> index 8a3e34234e98..5f116f3ecd4a 100644
>>>>> --- a/drivers/tty/serial/xilinx_uartps.c
>>>>> +++ b/drivers/tty/serial/xilinx_uartps.c
>>>>> @@ -1510,15 +1510,12 @@ static int cdns_uart_probe(struct platform_device *pdev)
>>>>>  
>>>>>  	/* At this point, we've got an empty uart_port struct, initialize it */
>>>>>  	spin_lock_init(&port->lock);
>>>>> -	port->membase	= NULL;
>>>>> -	port->irq	= 0;
>>>>>  	port->type	= PORT_UNKNOWN;
>>>>>  	port->iotype	= UPIO_MEM32;
>>>>>  	port->flags	= UPF_BOOT_AUTOCONF;
>>>>>  	port->ops	= &cdns_uart_ops;
>>>>>  	port->fifosize	= CDNS_UART_FIFO_SIZE;
>>>>>  	port->line	= id;
>>>>> -	port->dev	= NULL;
>>>>>  
>>>>>  	/*
>>>>>  	 * Register the port.
>>>>>
>>>>
>>>> Alan, Rob, Greg: Any comment about this RFC?
>>>
>>> I rarely review RFC patchesets as obviously you don't think it is good
>>> enough to be submitted "for real" :)
>>
>> There is one missing minor part but I want to review concept first
>> because I didn't find any driver which is using this style.
>>
>>> If you think this is all good, great, please resend it without the RFC
>>> and it will end up in my queue.
>>
>> I will definitely do it but please look at the concept itself because I
>> would like to use this with at least 3 other drivers.
> 
> I don't have the time right now to review "concepts", sorry.

Ok. I will revup that missing part to get it review to be able to use it.

Thanks,
Michal

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