From: Lee Jones <lee.jones@linaro.org>
Date: Wed, 12 Mar 2014 12:39:42 +0000 (+0000)
Subject: ahci: st: Invoke AHCI Platform Suspend/Resume
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=087d26502cbcb2f05810ff241de26816962413c2;p=karo-tx-linux.git

ahci: st: Invoke AHCI Platform Suspend/Resume

This is where we disable IRQs on suspend and update the internal
power state during suspend/resume.

Suggested-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
(cherry picked from commit 761a8c2765df17ac5296e2631a16ec08d1a0cb1c)
---

diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c
index 3edec5db3717..17191b96648e 100644
--- a/drivers/ata/ahci_st.c
+++ b/drivers/ata/ahci_st.c
@@ -186,6 +186,10 @@ static int st_ahci_suspend(struct device *dev)
 	struct ahci_host_priv *hpriv = drv_data->hpriv;
 	int err;
 
+	ret = ahci_platform_suspend_host(dev);
+	if (ret)
+		return ret;
+
 	if (drv_data->pwr) {
 		err = reset_control_assert(drv_data->pwr);
 		if (err) {
@@ -215,7 +219,7 @@ static int st_ahci_resume(struct device *dev)
 		return err;
 	}
 
-	return 0;
+	return ahci_platform_resume_host(dev);
 }
 #endif