Re: [PATCH 2/4] pch_uart: Add Fish River Island II uart clock quirks

[Darren Hart <dvhart@linux.intel.com>]

On 02/22/2012 12:52 AM, Alan Cox wrote:
>> +	/* Setup UART clock, checking for board specific clocks. */
>> +	uartclk = DEFAULT_UARTCLK;
>> +
>> +	board_name = dmi_get_system_info(DMI_BOARD_NAME);
>> +	if (board_name && strstr(board_name, "CM-iTC"))
>> +		uartclk = CMITC_UARTCLK;
>> +
>> +	board_name = dmi_get_system_info(DMI_PRODUCT_NAME);
>> +	if (board_name && strstr(board_name, "Fish River Island II"))
>> +		uartclk = FRI2_UARTCLK;
>> +
>> +	port->uartclk = uartclk;
> 
> This is confusing, you load product name into a variable called
> board_name ?? perhaps "name" would be clearer ?

OK, done.

> 
>>  
>>  	if (options)
>>  		uart_parse_options(options, &baud, &parity, &bits, &flow);
>> @@ -1566,12 +1580,16 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
>>  	if (!rxbuf)
>>  		goto init_port_free_txbuf;
>>  
>> +	/* Setup UART clock, checking for board specific clocks. */
>>  	uartclk = DEFAULT_UARTCLK;
>>  
>> -	/* quirk for CM-iTC board */
>>  	board_name = dmi_get_system_info(DMI_BOARD_NAME);
>>  	if (board_name && strstr(board_name, "CM-iTC"))
>> -		uartclk = 192000000; /* 192.0MHz */
>> +		uartclk = CMITC_UARTCLK;
>> +
>> +	board_name = dmi_get_system_info(DMI_PRODUCT_NAME);
>> +	if (board_name && strstr(board_name, "Fish River Island II"))
>> +		uartclk = FRI2_UARTCLK;
> 
> And we have two locations so this is going to get missed on updates. Can
> we have one function for this please ?

Right, bad dvhart. Done. That cleans things up nicely. I'll resend as V2
after considering your 0/4 response....

-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel