diff options
Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap-2.6.39/pm/linux-omap-2.6.39-ti-pm-wip-cpuidle/0002-OMAP2-clockdomain-Add-SoC-support-for-clkdm_is_idle.patch')
| -rw-r--r-- | extras/recipes-kernel/linux/linux-omap-2.6.39/pm/linux-omap-2.6.39-ti-pm-wip-cpuidle/0002-OMAP2-clockdomain-Add-SoC-support-for-clkdm_is_idle.patch | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-omap-2.6.39/pm/linux-omap-2.6.39-ti-pm-wip-cpuidle/0002-OMAP2-clockdomain-Add-SoC-support-for-clkdm_is_idle.patch b/extras/recipes-kernel/linux/linux-omap-2.6.39/pm/linux-omap-2.6.39-ti-pm-wip-cpuidle/0002-OMAP2-clockdomain-Add-SoC-support-for-clkdm_is_idle.patch new file mode 100644 index 00000000..c7c1ea0b --- /dev/null +++ b/extras/recipes-kernel/linux/linux-omap-2.6.39/pm/linux-omap-2.6.39-ti-pm-wip-cpuidle/0002-OMAP2-clockdomain-Add-SoC-support-for-clkdm_is_idle.patch @@ -0,0 +1,86 @@ +From e3ba8d41bfafd782f3ee7f8930d9bf393986c662 Mon Sep 17 00:00:00 2001 +From: Rajendra Nayak <rnayak@ti.com> +Date: Tue, 5 Apr 2011 15:22:36 +0530 +Subject: [PATCH 2/6] OMAP2+: clockdomain: Add SoC support for clkdm_is_idle + +Add the SoC specific implemenation for clkdm_is_idle +for OMAP2/3 and OMAP4. + +Signed-off-by: Rajendra Nayak <rnayak@ti.com> +--- + arch/arm/mach-omap2/clockdomain2xxx_3xxx.c | 12 ++++++++++++ + arch/arm/mach-omap2/clockdomain44xx.c | 7 +++++++ + 2 files changed, 19 insertions(+), 0 deletions(-) + +diff --git a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c +index 48d0db7..db49baa 100644 +--- a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c ++++ b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c +@@ -13,6 +13,7 @@ + */ + + #include <linux/types.h> ++#include <linux/errno.h> + #include <plat/prcm.h> + #include "prm.h" + #include "prm2xxx_3xxx.h" +@@ -146,6 +147,15 @@ static void omap2_clkdm_deny_idle(struct clockdomain *clkdm) + _clkdm_del_autodeps(clkdm); + } + ++static int omap2_clkdm_is_idle(struct clockdomain *clkdm) ++{ ++ if (!clkdm->clktrctrl_mask) ++ return -1; ++ ++ return omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs, ++ clkdm->clktrctrl_mask); ++} ++ + static void _enable_hwsup(struct clockdomain *clkdm) + { + if (cpu_is_omap24xx()) +@@ -252,6 +262,7 @@ struct clkdm_ops omap2_clkdm_operations = { + .clkdm_wakeup = omap2_clkdm_wakeup, + .clkdm_allow_idle = omap2_clkdm_allow_idle, + .clkdm_deny_idle = omap2_clkdm_deny_idle, ++ .clkdm_is_idle = omap2_clkdm_is_idle, + .clkdm_clk_enable = omap2_clkdm_clk_enable, + .clkdm_clk_disable = omap2_clkdm_clk_disable, + }; +@@ -269,6 +280,7 @@ struct clkdm_ops omap3_clkdm_operations = { + .clkdm_wakeup = omap3_clkdm_wakeup, + .clkdm_allow_idle = omap3_clkdm_allow_idle, + .clkdm_deny_idle = omap3_clkdm_deny_idle, ++ .clkdm_is_idle = omap2_clkdm_is_idle, + .clkdm_clk_enable = omap2_clkdm_clk_enable, + .clkdm_clk_disable = omap2_clkdm_clk_disable, + }; +diff --git a/arch/arm/mach-omap2/clockdomain44xx.c b/arch/arm/mach-omap2/clockdomain44xx.c +index a1a4ecd..4b10727 100644 +--- a/arch/arm/mach-omap2/clockdomain44xx.c ++++ b/arch/arm/mach-omap2/clockdomain44xx.c +@@ -93,6 +93,12 @@ static void omap4_clkdm_deny_idle(struct clockdomain *clkdm) + clkdm->cm_inst, clkdm->clkdm_offs); + } + ++static int omap4_clkdm_is_idle(struct clockdomain *clkdm) ++{ ++ return omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition, ++ clkdm->cm_inst, clkdm->clkdm_offs); ++} ++ + static int omap4_clkdm_clk_enable(struct clockdomain *clkdm) + { + bool hwsup = false; +@@ -132,6 +138,7 @@ struct clkdm_ops omap4_clkdm_operations = { + .clkdm_wakeup = omap4_clkdm_wakeup, + .clkdm_allow_idle = omap4_clkdm_allow_idle, + .clkdm_deny_idle = omap4_clkdm_deny_idle, ++ .clkdm_is_idle = omap4_clkdm_is_idle, + .clkdm_clk_enable = omap4_clkdm_clk_enable, + .clkdm_clk_disable = omap4_clkdm_clk_disable, + }; +-- +1.6.6.1 + |