linux-kernel - [RFC PATCH v2 2/8] omap4: build fdif omap device from hwmod

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Message-Id: <1323871214-25435-3-git-send-email-ming.lei@canonical.com>
Date:	Wed, 14 Dec 2011 22:00:08 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Tony Lindgren <tony@...mide.com>
Cc:	Sylwester Nawrocki <snjw23@...il.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	Ming Lei <ming.lei@...onical.com>
Subject: [RFC PATCH v2 2/8] omap4: build fdif omap device from hwmod

Signed-off-by: Ming Lei <ming.lei@...onical.com>
---
 arch/arm/mach-omap2/devices.c |   33 +++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 1166bdc..bd7f9b3 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -728,6 +728,38 @@ void __init omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
 
 #endif
 
+static __init struct platform_device *omap4_init_fdif(void)
+{
+	struct platform_device *pd;
+	struct omap_hwmod *oh;
+	const char *dev_name = "omap-fdif";
+
+	oh = omap_hwmod_lookup("fdif");
+	if (!oh) {
+		pr_err("Could not look up fdif hwmod\n");
+		return NULL;
+	}
+
+	pd = omap_device_build(dev_name, -1, oh, NULL, 0, NULL, 0, 0);
+	WARN(IS_ERR(pd), "Can't build omap_device for %s.\n",
+				dev_name);
+	return pd;
+}
+
+static void __init omap_init_fdif(void)
+{
+	struct platform_device *pd;
+
+	if (!cpu_is_omap44xx())
+		return;
+
+	pd = omap4_init_fdif();
+	if (!pd)
+		return;
+
+	pm_runtime_enable(&pd->dev);
+}
+
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
@@ -808,6 +840,7 @@ static int __init omap2_init_devices(void)
 	omap_init_sham();
 	omap_init_aes();
 	omap_init_vout();
+	omap_init_fdif();
 
 	return 0;
 }
-- 
1.7.5.4

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