[V8 PATCH 5/5] MX53 Enable the AHCI SATA on MX53 SMD board
From: Sergei Shtylyov <hidden>
Date: 2011-09-22 11:42:07
Also in:
linux-ide
Hello. On 22-09-2011 14:14, Richard Zhu wrote:
Signed-off-by: Richard Zhu<redacted> --- arch/arm/mach-mx5/board-mx53_smd.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-)
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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
[...]
quoted hunk ↗ jump to hunk
@@ -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