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: Abhijit Pagare <abhijitpagare@ti.com> [paul@pwsan.com: added warnings, explanatory comment, copyright update] Signed-off-by: Paul Walmsley <paul@pwsan.com>
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1 changed files with 24 additions and 6 deletions
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@ -1,8 +1,8 @@
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/*
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* OMAP2/3/4 clockdomain framework functions
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*
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* Copyright (C) 2008-2009 Texas Instruments, Inc.
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* Copyright (C) 2008-2009 Nokia Corporation
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* Copyright (C) 2008-2010 Texas Instruments, Inc.
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* Copyright (C) 2008-2010 Nokia Corporation
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*
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* Written by Paul Walmsley and Jouni Högander
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* Added OMAP4 specific support by Abhijit Pagare <abhijitpagare@ti.com>
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@ -891,8 +891,17 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
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pr_debug("clockdomain: enabling automatic idle transitions for %s\n",
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clkdm->name);
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if (atomic_read(&clkdm->usecount) > 0)
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_clkdm_add_autodeps(clkdm);
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/*
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* XXX This should be removed once TI adds wakeup/sleep
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* dependency code and data for OMAP4.
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*/
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if (cpu_is_omap44xx()) {
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WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
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"support is not yet implemented\n");
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} else {
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if (atomic_read(&clkdm->usecount) > 0)
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_clkdm_add_autodeps(clkdm);
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}
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_omap2_clkdm_set_hwsup(clkdm, 1);
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@ -924,8 +933,17 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
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_omap2_clkdm_set_hwsup(clkdm, 0);
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if (atomic_read(&clkdm->usecount) > 0)
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_clkdm_del_autodeps(clkdm);
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/*
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* XXX This should be removed once TI adds wakeup/sleep
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* dependency code and data for OMAP4.
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*/
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if (cpu_is_omap44xx()) {
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WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
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"support is not yet implemented\n");
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} else {
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if (atomic_read(&clkdm->usecount) > 0)
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_clkdm_del_autodeps(clkdm);
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}
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}
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