diff options
| author | Scott Williams <scwilliams@nvidia.com> | 2011-02-01 12:52:39 -0800 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:42:19 -0800 |
| commit | 2d7a9f1881b0ebb2e5d094542a38e44b525f7655 (patch) | |
| tree | c43212f22769f569b6b7fd805e73c6978a18424c /arch/arm/mach-tegra/pm.h | |
| parent | 8a16d8c8087f32b165c4afea39a5d992abb429c1 (diff) | |
arm: tegra: Add run-time cluster switch debug control
Allow run-time control of cluster switch debug messages
so they can be enabled for debuggability and disabled for
performance measurement.
Original-Change-Id: Id2bd85d6a9d3a57430a20d93b51ce5b59fe53c71
Reviewed-on: http://git-master/r/17927
Tested-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Original-Change-Id: Ia57424eee01276d82af7aab37d2f3d0525acc379
Rebase-Id: Rb7054dcdd910d9f1b82edb485856e868a47c5034
Diffstat (limited to 'arch/arm/mach-tegra/pm.h')
| -rw-r--r-- | arch/arm/mach-tegra/pm.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm/mach-tegra/pm.h b/arch/arm/mach-tegra/pm.h index eb4e24e6be81..e333cc476408 100644 --- a/arch/arm/mach-tegra/pm.h +++ b/arch/arm/mach-tegra/pm.h @@ -70,7 +70,8 @@ extern void (*tegra_deep_sleep)(int); void tegra_idle_lp2_last(unsigned int flags); #ifdef CONFIG_ARCH_TEGRA_2x_SOC -#define INSTRUMENT_CLUSTER_SWITCH 0 /* Must be zero for ARCH_TEGRA_2x_SOC */ +#define INSTRUMENT_CLUSTER_SWITCH 0 /* Must be zero for ARCH_TEGRA_2x_SOC */ +#define DEBUG_CLUSTER_SWITCH 0 /* Must be zero for ARCH_TEGRA_2x_SOC */ static inline int tegra_cluster_control(unsigned int us, unsigned int flags) { return -EPERM; } #define tegra_cluster_switch_prolog(flags) do {} while(0) @@ -80,7 +81,8 @@ static inline unsigned int is_lp_cluster(void) static inline unsigned long tegra_get_lpcpu_max_rate(void) { return 0; } #else -#define INSTRUMENT_CLUSTER_SWITCH 1 /* Should be zero for shipping code */ +#define INSTRUMENT_CLUSTER_SWITCH 1 /* Should be zero for shipping code */ +#define DEBUG_CLUSTER_SWITCH 1 /* Should be zero for shipping code */ int tegra_cluster_control(unsigned int us, unsigned int flags); void tegra_cluster_switch_prolog(unsigned int flags); void tegra_cluster_switch_epilog(unsigned int flags); @@ -88,6 +90,13 @@ unsigned int is_lp_cluster(void); unsigned long tegra_get_lpcpu_max_rate(void); #endif +#if DEBUG_CLUSTER_SWITCH +extern unsigned int tegra_cluster_debug; +#define DEBUG_CLUSTER(x) do { if (tegra_cluster_debug) printk x; } while (0) +#else +#define DEBUG_CLUSTER(x) do { } while (0) +#endif + #define FLOW_CTRL_HALT_CPU(cpu) (IO_ADDRESS(TEGRA_FLOW_CTRL_BASE) + \ ((cpu) == 0 ? 0x8 : (0x18 + 8 * ((cpu) - 1)))) #define FLOW_CTRL_CPU_CSR(cpu) (IO_ADDRESS(TEGRA_FLOW_CTRL_BASE) + \ |