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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 20:22:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 20:22:01 -0700
commitcd9a0b6bd67ec372b0ef3cb2abe26974f888b956 (patch)
treeffec66aa48f95b2b764f9e84fbafc519cce5000e /arch/arm/mach-prima2/irq.c
parentac5761a650d22dd7dfad4d417463a0981d2da0a4 (diff)
parent090ad104c5c59c7952d4b8d4cfb60559b38eb3e0 (diff)
Merge branch 'next/pm' of git://git.linaro.org/people/arnd/arm-soc
* 'next/pm' of git://git.linaro.org/people/arnd/arm-soc: (66 commits) ARM: CSR: PM: use outer_resume to resume L2 cache ARM: CSR: call l2x0_of_init to init L2 cache of SiRFprimaII ARM: OMAP: voltage: voltage layer present, even when CONFIG_PM=n ARM: CSR: PM: add sleep entry for SiRFprimaII ARM: CSR: PM: save/restore irq status in suspend cycle ARM: CSR: PM: save/restore timer status in suspend cycle OMAP4: PM: TWL6030: add cmd register OMAP4: PM: TWL6030: fix ON/RET/OFF voltages OMAP4: PM: TWL6030: address 0V conversions OMAP4: PM: TWL6030: fix uv to voltage for >0x39 OMAP4: PM: TWL6030: fix voltage conversion formula omap: voltage: add a stub header file for external/regulator use OMAP2+: VC: more registers are per-channel starting with OMAP5 OMAP3+: voltage: update nominal voltage in voltdm_scale() not VC post-scale OMAP3+: voltage: rename omap_voltage_get_nom_volt -> voltdm_get_voltage OMAP3+: voltdm: final removal of omap_vdd_info OMAP3+: voltage: move/rename curr_volt from vdd_info into struct voltagedomain OMAP3+: voltage: rename scale and reset functions using voltdm_ prefix OMAP3+: VP: combine setting init voltage into common function OMAP3+: VP: remove unused omap_vp_get_curr_volt() ... Fix up trivial conflict in arch/arm/mach-prima2/l2x0.c (code removal vs edit)
Diffstat (limited to 'arch/arm/mach-prima2/irq.c')
-rw-r--r--arch/arm/mach-prima2/irq.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-prima2/irq.c b/arch/arm/mach-prima2/irq.c
index 7af254d046b..d93ceef4a50 100644
--- a/arch/arm/mach-prima2/irq.c
+++ b/arch/arm/mach-prima2/irq.c
@@ -13,6 +13,8 @@
#include <asm/mach/irq.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/irqdomain.h>
+#include <linux/syscore_ops.h>
#define SIRFSOC_INT_RISC_MASK0 0x0018
#define SIRFSOC_INT_RISC_MASK1 0x001C
@@ -66,7 +68,48 @@ void __init sirfsoc_of_irq_init(void)
if (!sirfsoc_intc_base)
panic("unable to map intc cpu registers\n");
+ irq_domain_add_simple(np, 0);
+
of_node_put(np);
sirfsoc_irq_init();
}
+
+struct sirfsoc_irq_status {
+ u32 mask0;
+ u32 mask1;
+ u32 level0;
+ u32 level1;
+};
+
+static struct sirfsoc_irq_status sirfsoc_irq_st;
+
+static int sirfsoc_irq_suspend(void)
+{
+ sirfsoc_irq_st.mask0 = readl_relaxed(sirfsoc_intc_base + SIRFSOC_INT_RISC_MASK0);
+ sirfsoc_irq_st.mask1 = readl_relaxed(sirfsoc_intc_base + SIRFSOC_INT_RISC_MASK1);
+ sirfsoc_irq_st.level0 = readl_relaxed(sirfsoc_intc_base + SIRFSOC_INT_RISC_LEVEL0);
+ sirfsoc_irq_st.level1 = readl_relaxed(sirfsoc_intc_base + SIRFSOC_INT_RISC_LEVEL1);
+
+ return 0;
+}
+
+static void sirfsoc_irq_resume(void)
+{
+ writel_relaxed(sirfsoc_irq_st.mask0, sirfsoc_intc_base + SIRFSOC_INT_RISC_MASK0);
+ writel_relaxed(sirfsoc_irq_st.mask1, sirfsoc_intc_base + SIRFSOC_INT_RISC_MASK1);
+ writel_relaxed(sirfsoc_irq_st.level0, sirfsoc_intc_base + SIRFSOC_INT_RISC_LEVEL0);
+ writel_relaxed(sirfsoc_irq_st.level1, sirfsoc_intc_base + SIRFSOC_INT_RISC_LEVEL1);
+}
+
+static struct syscore_ops sirfsoc_irq_syscore_ops = {
+ .suspend = sirfsoc_irq_suspend,
+ .resume = sirfsoc_irq_resume,
+};
+
+static int __init sirfsoc_irq_pm_init(void)
+{
+ register_syscore_ops(&sirfsoc_irq_syscore_ops);
+ return 0;
+}
+device_initcall(sirfsoc_irq_pm_init);