diff options
Diffstat (limited to 'security/smc/omap4/scxlnx_comm_mshield.c')
-rw-r--r-- | security/smc/omap4/scxlnx_comm_mshield.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/security/smc/omap4/scxlnx_comm_mshield.c b/security/smc/omap4/scxlnx_comm_mshield.c deleted file mode 100644 index ccd2098..0000000 --- a/security/smc/omap4/scxlnx_comm_mshield.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (c) 2010 Trusted Logic S.A. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <asm/div64.h> -#include <asm/system.h> -#include <asm/cputype.h> -#include <linux/uaccess.h> -#include <linux/io.h> -#include <linux/interrupt.h> -#include <linux/page-flags.h> -#include <linux/pagemap.h> -#include <linux/vmalloc.h> -#include <linux/version.h> -#include <linux/jiffies.h> -#include <linux/dma-mapping.h> -#include <linux/cpu.h> - -#include <asm/cacheflush.h> - -#include <clockdomain.h> - -#include "scxlnx_defs.h" - -#ifdef CONFIG_HAS_WAKELOCK -static struct wake_lock g_tf_wake_lock; -static atomic_t tf_wake_lock_count = ATOMIC_INIT(0); -#endif - -static struct clockdomain *smc_l4_sec_clkdm; -static atomic_t smc_l4_sec_clkdm_use_count = ATOMIC_INIT(0); - -static int __init tf_early_init(void) -{ - smc_l4_sec_clkdm = clkdm_lookup("l4_secure_clkdm"); - if (smc_l4_sec_clkdm == NULL) - return -EFAULT; - -#ifdef CONFIG_HAS_WAKELOCK - wake_lock_init(&g_tf_wake_lock, WAKE_LOCK_SUSPEND, - SCXLNX_DEVICE_BASE_NAME); -#endif - - return 0; -} -early_initcall(tf_early_init); - -/*-------------------------------------------------------------------------- - * L4 SEC Clock domain handling - *-------------------------------------------------------------------------- */ - -void tf_l4sec_clkdm_wakeup(bool use_spin_lock, bool wakelock) -{ - if (use_spin_lock) - spin_lock(&SCXLNXGetDevice()->sm.lock); -#ifdef CONFIG_HAS_WAKELOCK - if (wakelock) { - atomic_inc(&tf_wake_lock_count); - wake_lock(&g_tf_wake_lock); - } -#endif - atomic_inc(&smc_l4_sec_clkdm_use_count); - clkdm_wakeup(smc_l4_sec_clkdm); - if (use_spin_lock) - spin_unlock(&SCXLNXGetDevice()->sm.lock); -} - -void tf_l4sec_clkdm_allow_idle(bool use_spin_lock, bool wakeunlock) -{ - if (use_spin_lock) - spin_lock(&SCXLNXGetDevice()->sm.lock); - if (atomic_dec_return(&smc_l4_sec_clkdm_use_count) == 0) - clkdm_allow_idle(smc_l4_sec_clkdm); -#ifdef CONFIG_HAS_WAKELOCK - if (wakeunlock) - if (atomic_dec_return(&tf_wake_lock_count) == 0) - wake_unlock(&g_tf_wake_lock); -#endif - if (use_spin_lock) - spin_unlock(&SCXLNXGetDevice()->sm.lock); -} - |