[PATCH] AT91: at91sam9261ek board: remove warnings related to use of SPI or SD/MMC
Sergei Shtylyov
sshtylyov at mvista.com
Fri Sep 10 06:26:02 EDT 2010
Hello.
On 10-09-2010 14:13, Nicolas Ferre wrote:
> The sd/mmc data structure is not used if SPI is selected. The configuration
> of PIO on the board prevent from using both interfaces at the same time
> (board dependent).
> Remove the warnings at compilation time adding a preprocessor condition.
> Signed-off-by: Nicolas Ferre<nicolas.ferre at atmel.com>
[...]
> diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
> index b4307ab..19d4d2c 100644
> --- a/arch/arm/mach-at91/board-sam9261ek.c
> +++ b/arch/arm/mach-at91/board-sam9261ek.c
> @@ -169,17 +169,6 @@ static struct at91_udc_data __initdata ek_udc_data = {
>
>
> /*
> - * MCI (SD/MMC)
> - */
> -static struct at91_mmc_data __initdata ek_mmc_data = {
> - .wire4 = 1,
> -// .det_pin = ... not connected
> -// .wp_pin = ... not connected
> -// .vcc_pin = ... not connected
> -};
> -
> -
> -/*
> * NAND flash
> */
> static struct mtd_partition __initdata ek_nand_partition[] = {
> @@ -247,6 +236,10 @@ static void __init ek_add_device_nand(void)
> at91_add_device_nand(&ek_nand_data);
> }
>
> +/*
> + * SPI related devices
> + */
> +#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
>
> /*
> * ADS7846 Touchscreen
> @@ -357,6 +350,21 @@ static struct spi_board_info ek_spi_devices[] = {
> #endif
> };
>
> +#else /* CONFIG_SPI_ATMEL_* */
> +
> +/*
> + * MCI (SD/MMC)
> + * spi0 and mmc/sd share the same PIO pins: cannot be used at the same time
> + */
> +static struct at91_mmc_data __initdata ek_mmc_data = {
> + .wire4 = 1,
> +// .det_pin = ... not connected
> +// .wp_pin = ... not connected
> +// .vcc_pin = ... not connected
The coding style document forbids C99 style // comments. Could replace
with normal comment or #if 0...
WBR, Sergei
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