diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-01-19 11:22:54 +0000 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-01-19 11:22:54 +0000 |
commit | a1926d1745114789687ac029ae8c58944b7d2256 (patch) | |
tree | c303e75615e378451a80b97bfd2c1ba54029d9bb /arch/arm/mach-omap2/cm.c | |
parent | 492e917635a0fa05439bb562fd51577efc9cef30 (diff) | |
parent | 52fc43f7c1c416b114e88ff39635c36e67ef15b6 (diff) |
Merge branch 'for-2.6.38' into for-2.6.39
Diffstat (limited to 'arch/arm/mach-omap2/cm.c')
-rw-r--r-- | arch/arm/mach-omap2/cm.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/arm/mach-omap2/cm.c b/arch/arm/mach-omap2/cm.c deleted file mode 100644 index 721c3b66740..00000000000 --- a/arch/arm/mach-omap2/cm.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * OMAP2/3 CM module functions - * - * Copyright (C) 2009 Nokia Corporation - * Paul Walmsley - * - * 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. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/delay.h> -#include <linux/spinlock.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/io.h> - -#include <asm/atomic.h> - -#include <plat/common.h> - -#include "cm.h" -#include "cm-regbits-24xx.h" -#include "cm-regbits-34xx.h" - -static const u8 cm_idlest_offs[] = { - CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3 -}; - -/** - * omap2_cm_wait_idlest_ready - wait for a module to leave idle or standby - * @prcm_mod: PRCM module offset - * @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3) - * @idlest_shift: shift of the bit in the CM_IDLEST* register to check - * - * XXX document - */ -int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift) -{ - int ena = 0, i = 0; - u8 cm_idlest_reg; - u32 mask; - - if (!idlest_id || (idlest_id > ARRAY_SIZE(cm_idlest_offs))) - return -EINVAL; - - cm_idlest_reg = cm_idlest_offs[idlest_id - 1]; - - mask = 1 << idlest_shift; - - if (cpu_is_omap24xx()) - ena = mask; - else if (cpu_is_omap34xx()) - ena = 0; - else - BUG(); - - /* XXX should be OMAP2 CM */ - omap_test_timeout(((cm_read_mod_reg(prcm_mod, cm_idlest_reg) & mask) == ena), - MAX_MODULE_READY_TIME, i); - - return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY; -} - |