[GIT PULL 2/5] omap board changes for v3.6 merge window

[Zumeng Chen]

于 2012年07月10日 23:34, Arnd Bergmann 写道:
> On Tuesday 10 July 2012, Tony Lindgren wrote:
>> The following changes since commit 6887a4131da3adaab011613776d865f4bcfb5678:
>>
>>    Linux 3.5-rc5 (2012-06-30 16:08:57 -0700)
>>
>> are available in the git repository at:
>>
>>    git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap tags/omap-devel-board-for-v3.6
>>
>> for you to fetch changes up to b103a2e22a238085f5c50d96345e1a09bb1efd50:
>>
>>    ARM: OMAP3: Fix omap3evm randconfig error introduced by VBUS support (2012-07-09 23:22:24 -0700)
>>
>> ----------------------------------------------------------------
>> Board and platform data related changes for omaps
>>
>> ----------------------------------------------------------------
>> Andy Gross (1):
>>        omap2+: add drm device
>>
>> Dmitry Lifshitz (2):
>>        ARM: OMAP3: cm-t35: add mt9t001 camera sensor support
>>        ARM: OMAP3: cm-t35: add tvp5150 decoder support
>>
>> Peter Ujfalusi (2):
>>        ARM: OMAP: board-4430sdp: MUX configuration for sys_nirq2
>>        ARM: OMAP: board-omap4panda: MUX configuration for sys_nirq2
>>
>> Tony Lindgren (1):
>>        ARM: OMAP3: Fix omap3evm randconfig error introduced by VBUS support
>>
>> Zumeng Chen (4):
>>        ARM: OMAP3EVM: Add NAND flash definition
>>        ARM: OMAP3EVM: Adding USB internal LDOs board file
>>        ARM: omap3evm: enable VBUS switch for EHCI tranceiver
>>        ARM: OMAP3530evm: set pendown_state and debounce time for ads7846
>> diff --cc arch/arm/mach-omap2/common-board-devices.c
> I got a conflict in arch/arm/mach-omap2/common-board-devices.c between
> 16aced80f6739 "ARM: OMAP3530evm: set pendown_state and debounce time for
> ads7846" and 97ee9f01d6f26 "ARM: OMAP: fix the ads7846 init code",
> see my resolution below.
>
> Please check if what I have in the for-next branch makese sense to you
> all.
No problem,  many thanks Arnd for your information.
I'll check it, test it, and send you feedback.

Regards,
Zumeng
>
> 	Arnd
>
> * Unmerged path arch/arm/mach-omap2/common-board-devices.c
> diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c
> index 1706ebc..1473474 100644
> --- a/arch/arm/mach-omap2/common-board-devices.c
> +++ b/arch/arm/mach-omap2/common-board-devices.c
> @@ -35,6 +35,16 @@ static struct omap2_mcspi_device_config ads7846_mcspi_config = {
>   	.turbo_mode	= 0,
>    };
>
>   +/*
>   + * ADS7846 driver maybe request a gpio according to the value
>   + * of pdata->get_pendown_state, but we have done this. So set
>   + * get_pendown_state to avoid twice gpio requesting.
>   + */
>   +static int omap3_get_pendown_state(void)
>   +{
>   +	return !gpio_get_value(OMAP3_EVM_TS_GPIO);
>   +}
>   +
>    static struct ads7846_platform_data ads7846_config = {
>   	.x_max			= 0x0fff,
>   	.y_max			= 0x0fff,
> @@ -45,6 +55,7 @@ static struct ads7846_platform_data ads7846_config = {
>   	.debounce_rep		= 1,
>   	.gpio_pendown		= -EINVAL,
>   	.keep_vref_on		= 1,
>   +	.get_pendown_state	=&omap3_get_pendown_state,
>    };
>
>    static struct spi_board_info ads7846_spi_board_info __initdata = {
> @@ -63,28 +74,30 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce,
>   	struct spi_board_info *spi_bi =&ads7846_spi_board_info;
>   	int err;
>
> -	if (board_pdata&&  board_pdata->get_pendown_state) {
> -		err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
> -		if (err) {
> -			pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
> -			return;
> -		}
> -		gpio_export(gpio_pendown, 0);
> -
> -		if (gpio_debounce)
> -			gpio_set_debounce(gpio_pendown, gpio_debounce);
> +	err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
> +	if (err) {
> +		pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
> +		return;
>   	}
>
> +	if (gpio_debounce)
> +		gpio_set_debounce(gpio_pendown, gpio_debounce);
> +
>   	spi_bi->bus_num	= bus_num;
>   	spi_bi->irq	= gpio_to_irq(gpio_pendown);
>
>   	if (board_pdata) {
>   		board_pdata->gpio_pendown = gpio_pendown;
>   		spi_bi->platform_data = board_pdata;
> +		if (board_pdata->get_pendown_state)
> +			gpio_export(gpio_pendown, 0);
>   	} else {
>   		ads7846_config.gpio_pendown = gpio_pendown;
>   	}
>
> +	if (!board_pdata || (board_pdata&&  !board_pdata->get_pendown_state))
> +		gpio_free(gpio_pendown);
> +
>   	spi_register_board_info(&ads7846_spi_board_info, 1);
>   }
>   #else