[V8 PATCH 5/5] MX53 Enable the AHCI SATA on MX53 SMD board

[Richard Zhu]

Hi Fabio&Sergei:
Thanks for your comments.
Accepted. Would be changed later.

Best Regard
Richard Zhu

On 22/09/2011, Sergei Shtylyov <sshtylyov at mvista.com> wrote:
> Hello.
>
> On 22-09-2011 14:14, Richard Zhu wrote:
>
>> Signed-off-by: Richard Zhu<richard.zhu at linaro.org>
>> ---
>>   arch/arm/mach-mx5/board-mx53_smd.c |   16 ++++++++++++++++
>>   1 files changed, 16 insertions(+), 0 deletions(-)
>
>> diff --git a/arch/arm/mach-mx5/board-mx53_smd.c
>> b/arch/arm/mach-mx5/board-mx53_smd.c
>> index bc02894..9d06fbe 100644
>> --- a/arch/arm/mach-mx5/board-mx53_smd.c
>> +++ b/arch/arm/mach-mx5/board-mx53_smd.c
> [...]
>> @@ -111,6 +112,19 @@ static const struct imxi2c_platform_data
>> mx53_smd_i2c_data __initconst = {
>>   	.bitrate = 100000,
>>   };
>>
>> +static inline void mx53_smd_ahci_pwr_on(void)
>> +{
>> +	int ret;
>> +
>> +	/* Enable SATA PWR */
>> +	ret = gpio_request(MX53_SMD_SATA_PWR_EN, "ahci-sata-pwr");
>> +	if (ret) {
>> +		printk(KERN_ERR "failed to get SATA_PWR_EN: %d\n", ret);
>> +		return;
>> +	}
>> +	gpio_direction_output(MX53_SMD_SATA_PWR_EN, 1);
>
>     You can use gpio_request_one() instead of
> gpio_request()/gpio_direction_*().
>
> WBR, Sergei
>