linux-kernel - [PATCH v6 5/9] usb: gadget: s3c-hsotg: use generic phy_init()/phy

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Date:	Fri, 13 Dec 2013 11:51:19 -0500
From:	Matt Porter <mporter@...aro.org>
To:	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Kishon Vijay Abraham I <kishon@...com>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Christian Daudt <bcm@...thebug.org>,
	Paul Zimmerman <paulz@...opsys.com>
Cc:	Tomasz Figa <t.figa@...sung.com>,
	Kamil Debski <k.debski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Dinh Nguyen <dinh.linux@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Linux USB List <linux-usb@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Devicetree List <devicetree@...r.kernel.org>,
	Linaro Patches <patches@...aro.org>
Subject: [PATCH v6 5/9] usb: gadget: s3c-hsotg: use generic phy_init()/phy_exit() support

If a generic phy is present, call phy_init()/phy_exit(). This supports
generic phys that must be soft reset before power on.

Signed-off-by: Matt Porter <mporter@...aro.org>
Acked-by: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/usb/gadget/s3c-hsotg.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 7c5d8bd..e9683c2 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -3621,6 +3621,9 @@ static int s3c_hsotg_probe(struct platform_device *pdev)
 		goto err_supplies;
 	}
 
+	if (hsotg->phy)
+		phy_init(hsotg->phy);
+
 	/* usb phy enable */
 	s3c_hsotg_phy_enable(hsotg);
 
@@ -3714,6 +3717,8 @@ static int s3c_hsotg_remove(struct platform_device *pdev)
 	}
 
 	s3c_hsotg_phy_disable(hsotg);
+	if (hsotg->phy)
+		phy_exit(hsotg->phy);
 	clk_disable_unprepare(hsotg->clk);
 
 	return 0;
-- 
1.8.4

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