diff options
author | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-29 23:59:09 +0100 |
---|---|---|
committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-30 00:10:15 +0100 |
commit | de65d816aa44f9ddd79861ae21d75010cc1fd003 (patch) | |
tree | 04a637a43b2e52a733d0dcb7595a47057571e7da /arch/arm/mach-omap2/cm33xx.c | |
parent | x86, mm: Let "memmap=" take more entries one time (diff) | |
parent | x86, boot: Sanitize boot_params if not zeroed on creation (diff) | |
download | linux-de65d816aa44f9ddd79861ae21d75010cc1fd003.tar.xz linux-de65d816aa44f9ddd79861ae21d75010cc1fd003.zip |
Merge remote-tracking branch 'origin/x86/boot' into x86/mm2
Coming patches to x86/mm2 require the changes and advanced baseline in
x86/boot.
Resolved Conflicts:
arch/x86/kernel/setup.c
mm/nobootmem.c
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/arm/mach-omap2/cm33xx.c')
-rw-r--r-- | arch/arm/mach-omap2/cm33xx.c | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c index 13f56eafef03..058ce3c0873e 100644 --- a/arch/arm/mach-omap2/cm33xx.c +++ b/arch/arm/mach-omap2/cm33xx.c @@ -22,8 +22,7 @@ #include <linux/err.h> #include <linux/io.h> -#include <plat/common.h> - +#include "clockdomain.h" #include "cm.h" #include "cm33xx.h" #include "cm-regbits-34xx.h" @@ -311,3 +310,58 @@ void am33xx_cm_module_disable(u16 inst, s16 cdoffs, u16 clkctrl_offs) v &= ~AM33XX_MODULEMODE_MASK; am33xx_cm_write_reg(v, inst, clkctrl_offs); } + +/* + * Clockdomain low-level functions + */ + +static int am33xx_clkdm_sleep(struct clockdomain *clkdm) +{ + am33xx_cm_clkdm_force_sleep(clkdm->cm_inst, clkdm->clkdm_offs); + return 0; +} + +static int am33xx_clkdm_wakeup(struct clockdomain *clkdm) +{ + am33xx_cm_clkdm_force_wakeup(clkdm->cm_inst, clkdm->clkdm_offs); + return 0; +} + +static void am33xx_clkdm_allow_idle(struct clockdomain *clkdm) +{ + am33xx_cm_clkdm_enable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); +} + +static void am33xx_clkdm_deny_idle(struct clockdomain *clkdm) +{ + am33xx_cm_clkdm_disable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); +} + +static int am33xx_clkdm_clk_enable(struct clockdomain *clkdm) +{ + if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP) + return am33xx_clkdm_wakeup(clkdm); + + return 0; +} + +static int am33xx_clkdm_clk_disable(struct clockdomain *clkdm) +{ + bool hwsup = false; + + hwsup = am33xx_cm_is_clkdm_in_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); + + if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) + am33xx_clkdm_sleep(clkdm); + + return 0; +} + +struct clkdm_ops am33xx_clkdm_operations = { + .clkdm_sleep = am33xx_clkdm_sleep, + .clkdm_wakeup = am33xx_clkdm_wakeup, + .clkdm_allow_idle = am33xx_clkdm_allow_idle, + .clkdm_deny_idle = am33xx_clkdm_deny_idle, + .clkdm_clk_enable = am33xx_clkdm_clk_enable, + .clkdm_clk_disable = am33xx_clkdm_clk_disable, +}; |