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From: Troy Kisky <troy.kisky@boundarydevices.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/3] imx25: Move MXC_GPIO_PORT_TO_NUM to imx-regs.h
Date: Mon, 11 Jun 2012 12:56:00 -0700	[thread overview]
Message-ID: <4FD64D50.9090104@boundarydevices.com> (raw)
In-Reply-To: <4FD6080D.1050509@gmail.com>

On 6/11/2012 8:00 AM, Vikram Narayanan wrote:
> On 6/10/2012 8:03 PM, Fabio Estevam wrote:
>> Hi Vikram,
>>
>> On Sun, Jun 10, 2012 at 10:02 AM, Vikram 
>> Narayanan<vikram186@gmail.com>  wrote:
>>
>>> +
>>> +/* Converts a GPIO port number and the internal bit position
>>> + * to the GPIO number
>>> + */
>>> +#define MXC_GPIO_PORT_TO_NUM(port, bit) (((port - 1)<<  5) + (bit&  
>>> 0x1f))
>>
>> Just a minor comment:
>>
>> MXC_GPIO_PORT_TO_NUM looks like a very looong string.
>>
>> Couldn't we use the same macro as in the Linux kernel (IMX_GPIO_NR) 
>> instead?
>>
>> It is more concise and it would nice to have the same macro name for
>> kernel and U-boot.
>>
>> What do you think?
>
> Yes. That should be a better option. I'll go with it.

We have this line already

arch/arm/include/asm/arch-mx6/imx-regs.h:#define GPIO_NUMBER(port, 
index)               ((((port)-1)*32)+((index)&31))

>
> ~Vikram
>
>> Thanks,
>>
>> Fabio Estevam
>
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
> .
>

  reply	other threads:[~2012-06-11 19:56 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-10 13:01 [U-Boot] imx: gpio cleanups Vikram Narayanan
2012-06-10 13:02 ` [U-Boot] [PATCH 1/3] imx25: Move MXC_GPIO_PORT_TO_NUM to imx-regs.h Vikram Narayanan
2012-06-10 14:33   ` Fabio Estevam
2012-06-11 15:00     ` Vikram Narayanan
2012-06-11 19:56       ` Troy Kisky [this message]
2012-06-10 15:03   ` Fabio Estevam
2012-06-11 15:02     ` Vikram Narayanan
2012-06-13 11:37       ` Fabio Estevam
2012-06-15 14:55         ` Stefano Babic
2012-06-15 18:10           ` Vikram Narayanan
2012-06-15 18:13             ` Fabio Estevam
2012-06-10 13:03 ` [U-Boot] [PATCH 2/3] tx25: Use generic gpio_* calls Vikram Narayanan
2012-06-10 14:38   ` Fabio Estevam
2012-06-11 14:58     ` Vikram Narayanan
2012-06-11 15:01       ` Fabio Estevam
2012-06-10 13:04 ` [U-Boot] [PATCH 3/3] imx: Define a common header file for gpio.h Vikram Narayanan
2012-06-10 13:06 ` [U-Boot] imx: gpio cleanups Vikram Narayanan

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