summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/prcm.c
diff options
context:
space:
mode:
authorTony Lindgren <tony@atomide.com>2010-02-24 20:53:03 -0800
committerTony Lindgren <tony@atomide.com>2010-02-24 20:53:03 -0800
commitb610ec502376d915b76a62e22576c5d0462cc9c9 (patch)
tree55206c47da1f010588964edafe09284fce704b63 /arch/arm/mach-omap2/prcm.c
parent0fdc54b2019700a4b50179914e810367c14044a3 (diff)
parentad001f145dcf457251e78fe2ae2ed40df1bda4ed (diff)
Merge branch 'for_2.6.34_b' of git://git.pwsan.com/linux-2.6 into omap-for-linus
Diffstat (limited to 'arch/arm/mach-omap2/prcm.c')
-rw-r--r--arch/arm/mach-omap2/prcm.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 338d5f67ef0d..81872aacb801 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -127,13 +127,15 @@ u32 omap_prcm_get_reset_sources(void)
return prm_read_mod_reg(WKUP_MOD, OMAP2_RM_RSTST) & 0x7f;
if (cpu_is_omap44xx())
return prm_read_mod_reg(WKUP_MOD, OMAP4_RM_RSTST) & 0x7f;
+
+ return 0;
}
EXPORT_SYMBOL(omap_prcm_get_reset_sources);
/* Resets clock rates and reboots the system. Only called from system.h */
void omap_prcm_arch_reset(char mode)
{
- s16 prcm_offs;
+ s16 prcm_offs = 0;
if (cpu_is_omap24xx()) {
omap2xxx_clk_prepare_for_reboot();
@@ -242,26 +244,22 @@ u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
* omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness
* @reg: physical address of module IDLEST register
* @mask: value to mask against to determine if the module is active
+ * @idlest: idle state indicator (0 or 1) for the clock
* @name: name of the clock (for printk)
*
* Returns 1 if the module indicated readiness in time, or 0 if it
* failed to enable in roughly MAX_MODULE_ENABLE_WAIT microseconds.
*/
-int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name)
+int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest,
+ const char *name)
{
int i = 0;
int ena = 0;
- /*
- * 24xx uses 0 to indicate not ready, and 1 to indicate ready.
- * 34xx reverses this, just to keep us on our toes
- */
- if (cpu_is_omap24xx())
- ena = mask;
- else if (cpu_is_omap34xx())
+ if (idlest)
ena = 0;
else
- BUG();
+ ena = mask;
/* Wait for lock */
omap_test_timeout(((__raw_readl(reg) & mask) == ena),