linux-kernel - Re: [PATCH 1/2] driver: serial-omap: move max uart count into generic header file.

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Date:	Tue, 19 Mar 2013 11:30:34 +0530
From:	Sourav Poddar <sourav.poddar@...com>
To:	Kevin Hilman <khilman@...aro.org>
CC:	<gregkh@...uxfoundation.org>, <tony@...mide.com>,
	<rmk+kernel@....linux.org.uk>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, <b-cousson@...com>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Felipe Balbi <balbi@...com>, Rajendra nayak <rnayak@...com>
Subject: Re: [PATCH 1/2] driver: serial-omap: move max uart count into generic
 header file.

Hi Kevin,
On Tuesday 19 March 2013 12:15 AM, Kevin Hilman wrote:
> Sourav Poddar<sourav.poddar@...com>  writes:
>
>> OMAP_MAX_HSUART_PORTS is moved to omap_serial header file.
> Why?
>
The patch is a prerequisitive for the next patch in the series, where I am
making use of the max number of uarts, omap device supports. Hence, I
am rearranging the macro from a driver file to a header file. So, it can 
be used at
multiple places.
> You started to explain it in the cover letter, but a full description
> belongs here for the permanent git history.
>
Sure, I will add the complete description for this here itself in my next
version.
> Kevin
>
>> Cc: Santosh Shilimkar<santosh.shilimkar@...com>
>> Cc: Felipe Balbi<balbi@...com>
>> Cc: Rajendra nayak<rnayak@...com>
>> Signed-off-by: Sourav Poddar<sourav.poddar@...com>
>> ---
>>   drivers/tty/serial/omap-serial.c          |    2 --
>>   include/linux/platform_data/serial-omap.h |    1 +
>>   2 files changed, 1 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
>> index 5722eaf..4c2ba9f 100644
>> --- a/drivers/tty/serial/omap-serial.c
>> +++ b/drivers/tty/serial/omap-serial.c
>> @@ -43,8 +43,6 @@
>>   #include<linux/pinctrl/consumer.h>
>>   #include<linux/platform_data/serial-omap.h>
>>
>> -#define OMAP_MAX_HSUART_PORTS	6
>> -
>>   #define UART_BUILD_REVISION(x, y)	(((x)<<  8) | (y))
>>
>>   #define OMAP_UART_REV_42 0x0402
>> diff --git a/include/linux/platform_data/serial-omap.h b/include/linux/platform_data/serial-omap.h
>> index ff9b0aa..92c48c2 100644
>> --- a/include/linux/platform_data/serial-omap.h
>> +++ b/include/linux/platform_data/serial-omap.h
>> @@ -29,6 +29,7 @@
>>    * is used as console uart.
>>    */
>>   #define OMAP_SERIAL_NAME	"ttyO"
>> +#define OMAP_MAX_HSUART_PORTS   6
>>
>>   struct omap_uart_port_info {
>>   	bool			dma_enabled;	/* To specify DMA Mode */

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