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Commit 91808a81 authored by Abhijit Pagare's avatar Abhijit Pagare Committed by Paul Walmsley
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ARM: OMAP4 clock domain: Add check for avoiding dependency related update. 



A check is added for avoiding the sleep/wakeup dependency updates
for OMAP4 as the structures for the dependencies are currently absent.

Signed-off-by: default avatarAbhijit Pagare <abhijitpagare@ti.com>
[paul@pwsan.com: added warnings, explanatory comment, copyright update]
Signed-off-by: default avatarPaul Walmsley <paul@pwsan.com>
parent a7e069fc

arch/arm/mach-omap2/clockdomain.c

+24 −6
Original line number Diff line number Diff line 
/*

 * OMAP2/3/4 clockdomain framework functions

 *

 * Copyright (C) 2008-2009 Texas Instruments, Inc.

 * Copyright (C) 2008-2009 Nokia Corporation

 * Copyright (C) 2008-2010 Texas Instruments, Inc.

 * Copyright (C) 2008-2010 Nokia Corporation

 *

 * Written by Paul Walmsley and Jouni Högander

 * Added OMAP4 specific support by Abhijit Pagare <abhijitpagare@ti.com>
@@ -891,8 +891,17 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm) 
	pr_debug("clockdomain: enabling automatic idle transitions for %s\n",

		 clkdm->name);



	/*

	 * XXX This should be removed once TI adds wakeup/sleep

	 * dependency code and data for OMAP4.

	 */

	if (cpu_is_omap44xx()) {

		WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "

			  "support is not yet implemented\n");

	} else {

		if (atomic_read(&clkdm->usecount) > 0)

			_clkdm_add_autodeps(clkdm);

	}



	_omap2_clkdm_set_hwsup(clkdm, 1);
@@ -924,9 +933,18 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm) 


	_omap2_clkdm_set_hwsup(clkdm, 0);



	/*

	 * XXX This should be removed once TI adds wakeup/sleep

	 * dependency code and data for OMAP4.

	 */

	if (cpu_is_omap44xx()) {

		WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "

			  "support is not yet implemented\n");

	} else {

		if (atomic_read(&clkdm->usecount) > 0)

			_clkdm_del_autodeps(clkdm);

	}

}





/* Clockdomain-to-clock framework interface code */