Re: [PATCH v5 05/14] ARM: OMAP2+: gpmc: resource creation helpers

[Jon Hunter <jon-hunter@ti.com>]

On 06/11/2012 09:26 AM, Afzal Mohammed wrote:
> Helpers for propulating given resource structure
> with memory & interrupt information.
> 
> Signed-off-by: Afzal Mohammed <afzal@ti.com>
> ---
>  arch/arm/mach-omap2/gpmc.c |   45 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 45 insertions(+)
> 
> diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
> index a91f40f..652b245 100644
> --- a/arch/arm/mach-omap2/gpmc.c
> +++ b/arch/arm/mach-omap2/gpmc.c
> @@ -905,6 +905,51 @@ static void __devinit gpmc_mem_init(void)
>  	}
>  }
>  
> +static __devinit int gpmc_setup_cs_mem(struct gpmc_cs_data *cs,
> +						struct resource *res)
> +{
> +	unsigned long start;
> +	int ret;
> +
> +	ret = gpmc_cs_request(cs->cs, cs->mem_size, &start);
> +	if (IS_ERR_VALUE(ret)) {
> +		dev_err(gpmc_dev, "error: gpmc request on CS: %d\n", cs->cs);
> +		return ret;
> +	}
> +
> +	res->start = start + cs->mem_offset;
> +	res->end = res->start + cs->mem_size - 1;
> +	res->flags = IORESOURCE_MEM;
> +
> +	dev_info(gpmc_dev, "memory 0x%x-0x%x on CS %d\n", res->start,
> +							res->end, cs->cs);
> +
> +	return 1;
> +}

Nit-pick, CodingStyle chapter 16 states that 0 should be used for
success when returning from a function.

> +
> +static inline unsigned gpmc_bit_to_irq(unsigned bitmask)
> +{
> +	return bitmask;
> +}

I have to ask what is the value in this helper function? ;-)

Jon