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 @@ | |||
1 | From e3ba8d41bfafd782f3ee7f8930d9bf393986c662 Mon Sep 17 00:00:00 2001 | ||
2 | From: Rajendra Nayak <rnayak@ti.com> | ||
3 | Date: Tue, 5 Apr 2011 15:22:36 +0530 | ||
4 | Subject: [PATCH 2/6] OMAP2+: clockdomain: Add SoC support for clkdm_is_idle | ||
5 | |||
6 | Add the SoC specific implemenation for clkdm_is_idle | ||
7 | for OMAP2/3 and OMAP4. | ||
8 | |||
9 | Signed-off-by: Rajendra Nayak <rnayak@ti.com> | ||
10 | --- | ||
11 | arch/arm/mach-omap2/clockdomain2xxx_3xxx.c | 12 ++++++++++++ | ||
12 | arch/arm/mach-omap2/clockdomain44xx.c | 7 +++++++ | ||
13 | 2 files changed, 19 insertions(+), 0 deletions(-) | ||
14 | |||
15 | diff --git a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c | ||
16 | index 48d0db7..db49baa 100644 | ||
17 | --- a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c | ||
18 | +++ b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c | ||
19 | @@ -13,6 +13,7 @@ | ||
20 | */ | ||
21 | |||
22 | #include <linux/types.h> | ||
23 | +#include <linux/errno.h> | ||
24 | #include <plat/prcm.h> | ||
25 | #include "prm.h" | ||
26 | #include "prm2xxx_3xxx.h" | ||
27 | @@ -146,6 +147,15 @@ static void omap2_clkdm_deny_idle(struct clockdomain *clkdm) | ||
28 | _clkdm_del_autodeps(clkdm); | ||
29 | } | ||
30 | |||
31 | +static int omap2_clkdm_is_idle(struct clockdomain *clkdm) | ||
32 | +{ | ||
33 | + if (!clkdm->clktrctrl_mask) | ||
34 | + return -1; | ||
35 | + | ||
36 | + return omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs, | ||
37 | + clkdm->clktrctrl_mask); | ||
38 | +} | ||
39 | + | ||
40 | static void _enable_hwsup(struct clockdomain *clkdm) | ||
41 | { | ||
42 | if (cpu_is_omap24xx()) | ||
43 | @@ -252,6 +262,7 @@ struct clkdm_ops omap2_clkdm_operations = { | ||
44 | .clkdm_wakeup = omap2_clkdm_wakeup, | ||
45 | .clkdm_allow_idle = omap2_clkdm_allow_idle, | ||
46 | .clkdm_deny_idle = omap2_clkdm_deny_idle, | ||
47 | + .clkdm_is_idle = omap2_clkdm_is_idle, | ||
48 | .clkdm_clk_enable = omap2_clkdm_clk_enable, | ||
49 | .clkdm_clk_disable = omap2_clkdm_clk_disable, | ||
50 | }; | ||
51 | @@ -269,6 +280,7 @@ struct clkdm_ops omap3_clkdm_operations = { | ||
52 | .clkdm_wakeup = omap3_clkdm_wakeup, | ||
53 | .clkdm_allow_idle = omap3_clkdm_allow_idle, | ||
54 | .clkdm_deny_idle = omap3_clkdm_deny_idle, | ||
55 | + .clkdm_is_idle = omap2_clkdm_is_idle, | ||
56 | .clkdm_clk_enable = omap2_clkdm_clk_enable, | ||
57 | .clkdm_clk_disable = omap2_clkdm_clk_disable, | ||
58 | }; | ||
59 | diff --git a/arch/arm/mach-omap2/clockdomain44xx.c b/arch/arm/mach-omap2/clockdomain44xx.c | ||
60 | index a1a4ecd..4b10727 100644 | ||
61 | --- a/arch/arm/mach-omap2/clockdomain44xx.c | ||
62 | +++ b/arch/arm/mach-omap2/clockdomain44xx.c | ||
63 | @@ -93,6 +93,12 @@ static void omap4_clkdm_deny_idle(struct clockdomain *clkdm) | ||
64 | clkdm->cm_inst, clkdm->clkdm_offs); | ||
65 | } | ||
66 | |||
67 | +static int omap4_clkdm_is_idle(struct clockdomain *clkdm) | ||
68 | +{ | ||
69 | + return omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition, | ||
70 | + clkdm->cm_inst, clkdm->clkdm_offs); | ||
71 | +} | ||
72 | + | ||
73 | static int omap4_clkdm_clk_enable(struct clockdomain *clkdm) | ||
74 | { | ||
75 | bool hwsup = false; | ||
76 | @@ -132,6 +138,7 @@ struct clkdm_ops omap4_clkdm_operations = { | ||
77 | .clkdm_wakeup = omap4_clkdm_wakeup, | ||
78 | .clkdm_allow_idle = omap4_clkdm_allow_idle, | ||
79 | .clkdm_deny_idle = omap4_clkdm_deny_idle, | ||
80 | + .clkdm_is_idle = omap4_clkdm_is_idle, | ||
81 | .clkdm_clk_enable = omap4_clkdm_clk_enable, | ||
82 | .clkdm_clk_disable = omap4_clkdm_clk_disable, | ||
83 | }; | ||
84 | -- | ||
85 | 1.6.6.1 | ||
86 | |||