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Date: Tue, 15 Nov 2016 21:13:29 +0800 From: fu.wei@...aro.org To: rjw@...ysocki.net, lenb@...nel.org, daniel.lezcano@...aro.org, tglx@...utronix.de, marc.zyngier@....com, mark.rutland@....com, lorenzo.pieralisi@....com, sudeep.holla@....com, hanjun.guo@...aro.org Cc: linux-arm-kernel@...ts.infradead.org, linaro-acpi@...ts.linaro.org, linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org, rruigrok@...eaurora.org, harba@...eaurora.org, cov@...eaurora.org, timur@...eaurora.org, graeme.gregory@...aro.org, al.stone@...aro.org, jcm@...hat.com, wei@...hat.com, arnd@...db.de, catalin.marinas@....com, will.deacon@....com, Suravee.Suthikulpanit@....com, leo.duran@....com, wim@...ana.be, linux@...ck-us.net, linux-watchdog@...r.kernel.org, tn@...ihalf.com, christoffer.dall@...aro.org, julien.grall@....com, Fu Wei <fu.wei@...aro.org> Subject: [PATCH v15 07/13] clocksource/drivers/arm_arch_timer: Introduce some new structs to prepare for GTDT From: Fu Wei <fu.wei@...aro.org> The patch introduce two new structs: arch_timer_mem, arch_timer_mem_frame. And also introduce a new define: ARCH_TIMER_MEM_MAX_FRAMES These will be used for refactoring the memory-mapped timer init code to prepare for GTDT Signed-off-by: Fu Wei <fu.wei@...aro.org> --- include/clocksource/arm_arch_timer.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h index 2625ff1..cc986a3 100644 --- a/include/clocksource/arm_arch_timer.h +++ b/include/clocksource/arm_arch_timer.h @@ -57,6 +57,8 @@ enum arch_timer_spi_nr { #define ARCH_TIMER_MEM_PHYS_ACCESS 2 #define ARCH_TIMER_MEM_VIRT_ACCESS 3 +#define ARCH_TIMER_MEM_MAX_FRAMES 8 + #define ARCH_TIMER_USR_PCT_ACCESS_EN BIT(0) /* physical counter */ #define ARCH_TIMER_USR_VCT_ACCESS_EN BIT(1) /* virtual counter */ #define ARCH_TIMER_VIRT_EVT_EN BIT(2) @@ -72,6 +74,21 @@ struct arch_timer_kvm_info { int virtual_irq; }; +struct arch_timer_mem_frame { + int frame_nr; + phys_addr_t cntbase; + size_t size; + int phys_irq; + int virt_irq; +}; + +struct arch_timer_mem { + phys_addr_t cntctlbase; + size_t size; + int num_frames; + struct arch_timer_mem_frame frame[ARCH_TIMER_MEM_MAX_FRAMES]; +}; + #ifdef CONFIG_ARM_ARCH_TIMER extern u32 arch_timer_get_rate(void); -- 2.7.4
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