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sata/mvebu: use #ifdef around suspend/resume code

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The newly added suspend/resume implementation for ahci_mvebu causes
a link error when CONFIG_PM_SLEEP is disabled:

ERROR: "ahci_platform_suspend_host" [drivers/ata/ahci_mvebu.ko] undefined!
ERROR: "ahci_platform_resume_host" [drivers/ata/ahci_mvebu.ko] undefined!

This adds the same #ifdef here that exists in the ahci_platform driver
which defines the above functions.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: d6ecf15814 ("ata: ahci_mvebu: add suspend/resume support")
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Arnd Bergmann
2015-11-19 15:16:30 +01:00
committed by Tejun Heo
parent 4d92f0099a
commit 4f1dd973ac
1 changed files with 5 additions and 0 deletions
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5
drivers/ata/ahci_mvebu.c
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@@ -62,6 +62,7 @@ static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv)
writel(0x80, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA);
}
#ifdef CONFIG_PM_SLEEP
static int ahci_mvebu_suspend(struct platform_device *pdev, pm_message_t state)
{
return ahci_platform_suspend_host(&pdev->dev);
@@ -81,6 +82,10 @@ static int ahci_mvebu_resume(struct platform_device *pdev)
return ahci_platform_resume_host(&pdev->dev);
}
#else
#define ahci_mvebu_suspend NULL
#define ahci_mvebu_resume NULL
#endif
static const struct ata_port_info ahci_mvebu_port_info = {
.flags = AHCI_FLAG_COMMON,