[U-Boot] [PATCH 1/3] imx25: Move MXC_GPIO_PORT_TO_NUM to imx-regs.h

Vikram Narayanan vikram186 at gmail.com
Mon Jun 11 17:00:29 CEST 2012


On 6/10/2012 8:03 PM, Fabio Estevam wrote:
> Hi Vikram,
>
> On Sun, Jun 10, 2012 at 10:02 AM, Vikram Narayanan<vikram186 at 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.

~Vikram

> Thanks,
>
> Fabio Estevam



More information about the U-Boot mailing list