linux-kernel - [PATCH 5/5] ahci: st: Invoke AHCI Platform Suspend/Resume

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Message-Id: <1394627982-23726-6-git-send-email-lee.jones@linaro.org>
Date:	Wed, 12 Mar 2014 12:39:42 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	tj@...nel.org
Cc:	lee.jones@...aro.org, kernel@...inux.com, b.zolnierkie@...sung.com,
	linux-ide@...r.kernel.org
Subject: [PATCH 5/5] 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@...sung.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/ata/ahci_st.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c
index 3edec5d..17191b9 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
 
-- 
1.8.3.2

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