linux-kernel - [PATCH v2 14/17] ata: ahci_tegra: remove power sequence from driver

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Date:	Thu, 12 Mar 2015 20:15:15 +0800
From:	Vince Hsu <vinceh@...dia.com>
To:	thierry.reding@...il.com, pdeschrijver@...dia.com,
	swarren@...dotorg.org, gnurou@...il.com, jroedel@...e.de,
	p.zabel@...gutronix.de, mturquette@...aro.org, pgaikwad@...dia.com,
	sboyd@...eaurora.org, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, linux@....linux.org.uk,
	tbergstrom@...dia.com, airlied@...ux.ie, bhelgaas@...gle.com,
	tj@...nel.org, arnd@...db.de, robh@...nel.org, will.deacon@....com
CC:	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-pm@...r.kernel.org, rjw@...ysocki.net,
	viresh.kumar@...aro.org, Vince Hsu <vinceh@...dia.com>
Subject: [PATCH v2 14/17] ata: ahci_tegra: remove power sequence from driver

We have the generic PM domain support for Tegra SoCs now. So remove the
duplicated sequence here.

Signed-off-by: Vince Hsu <vinceh@...dia.com>
---
 drivers/ata/ahci_tegra.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/ata/ahci_tegra.c b/drivers/ata/ahci_tegra.c
index 3a62eb246d80..8151587ddb70 100644
--- a/drivers/ata/ahci_tegra.c
+++ b/drivers/ata/ahci_tegra.c
@@ -120,12 +120,6 @@ static int tegra_ahci_power_on(struct ahci_host_priv *hpriv)
 	if (ret)
 		return ret;
 
-	ret = tegra_powergate_sequence_power_up(TEGRA_POWERGATE_SATA,
-						tegra->sata_clk,
-						tegra->sata_rst);
-	if (ret)
-		goto disable_regulators;
-
 	reset_control_assert(tegra->sata_oob_rst);
 	reset_control_assert(tegra->sata_cold_rst);
 
@@ -140,10 +134,6 @@ static int tegra_ahci_power_on(struct ahci_host_priv *hpriv)
 
 disable_power:
 	clk_disable_unprepare(tegra->sata_clk);
-
-	tegra_powergate_power_off(TEGRA_POWERGATE_SATA);
-
-disable_regulators:
 	regulator_bulk_disable(ARRAY_SIZE(tegra->supplies), tegra->supplies);
 
 	return ret;
@@ -160,7 +150,6 @@ static void tegra_ahci_power_off(struct ahci_host_priv *hpriv)
 	reset_control_assert(tegra->sata_cold_rst);
 
 	clk_disable_unprepare(tegra->sata_clk);
-	tegra_powergate_power_off(TEGRA_POWERGATE_SATA);
 
 	regulator_bulk_disable(ARRAY_SIZE(tegra->supplies), tegra->supplies);
 }
-- 
2.1.4

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