linux-kernel - [PATCH v3 6/7] da850: pruss SUART platform specific additions.

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Message-Id: <1299592667-21367-7-git-send-email-subhasish@mistralsolutions.com>
Date:	Tue,  8 Mar 2011 19:27:45 +0530
From:	Subhasish Ghosh <subhasish@...tralsolutions.com>
To:	davinci-linux-open-source@...ux.davincidsp.com
Cc:	linux-arm-kernel@...ts.infradead.org, m-watkins@...com,
	nsekhar@...com, sachi@...tralsolutions.com,
	Subhasish Ghosh <subhasish@...tralsolutions.com>,
	Kevin Hilman <khilman@...com> (supporter:TI DAVINCI MACHIN...),
	Russell King <linux@....linux.org.uk> (maintainer:ARM PORT),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v3 6/7] da850: pruss SUART platform specific additions.

This patch adds the McASP clock alias.
The alias is used by the pruss suart driver
for enabling the McASP PSC.

Signed-off-by: Subhasish Ghosh <subhasish@...tralsolutions.com>
---
 arch/arm/mach-davinci/devices-da8xx.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index a182a3b..b7a855a 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -558,9 +558,27 @@ struct platform_device da8xx_pruss_mfddev = {
 	.resource	= da8xx_pruss_resources,
 };
 
+#ifdef CONFIG_SERIAL_PRUSS_SUART_MODULE
+int da8xx_mcasp_clk_add_alias(void)
+{
+	return clk_add_alias(NULL, "da8xx_pruss_uart.0",
+			NULL, &da850_mcasp_device.dev);
+}
+#else
+int da8xx_mcasp_clk_add_alias(void)
+{
+	return 0;
+}
+#endif
 int __init da8xx_register_pruss_mfd(struct da8xx_pruss_devices *pruss_device)
 {
+	int ret;
+
 	da8xx_pruss_mfddev.dev.platform_data = pruss_device;
+
+	ret = da8xx_mcasp_clk_add_alias();
+	if (ret < 0)
+		return ret;
 	return platform_device_register(&da8xx_pruss_mfddev);
 }
 
-- 
1.7.2.3

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