From: fu.wei@linaro.org To: rjw@rjwysocki.net, lenb@kernel.org, daniel.lezcano@linaro.org, tglx@linutronix.de, marc.zyngier@arm.com, mark.rutland@arm.com, lorenzo.pieralisi@arm.com, sudeep.holla@arm.com, hanjun.guo@linaro.org Cc: linux-arm-kernel@lists.infradead.org, linaro-acpi@lists.linaro.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, rruigrok@codeaurora.org, harba@codeaurora.org, cov@codeaurora.org, timur@codeaurora.org, graeme.gregory@linaro.org, al.stone@linaro.org, jcm@redhat.com, wei@redhat.com, arnd@arndb.de, catalin.marinas@arm.com, will.deacon@arm.com, Suravee.Suthikulpanit@amd.com, leo.duran@amd.com, wim@iguana.be, linux@roeck-us.net, linux-watchdog@vger.kernel.org, tn@semihalf.com, christoffer.dall@linaro.org, julien.grall@arm.com, Fu Wei <fu.wei@linaro.org> Subject: [PATCH v24 07/11] clocksource: arm_arch_timer: simplify ACPI support code. Date: Sat, 15 Apr 2017 02:40:10 +0800 [thread overview] Message-ID: <20170414184014.8524-8-fu.wei@linaro.org> (raw) In-Reply-To: <20170414184014.8524-1-fu.wei@linaro.org> From: Fu Wei <fu.wei@linaro.org> The patch update arm_arch_timer driver to use the function provided by the new GTDT driver of ACPI. By this way, arm_arch_timer.c can be simplified, and separate all the ACPI GTDT knowledge from this timer driver. Signed-off-by: Fu Wei <fu.wei@linaro.org> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Tested-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Tested-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Mark Rutland <mark.rutland@arm.com> --- drivers/clocksource/arm_arch_timer.c | 40 +++++++++--------------------------- 1 file changed, 10 insertions(+), 30 deletions(-) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index dad0264..05f2f7a 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -1384,53 +1384,33 @@ static int __init arch_timer_mem_of_init(struct device_node *np) CLOCKSOURCE_OF_DECLARE(armv7_arch_timer_mem, "arm,armv7-timer-mem", arch_timer_mem_of_init); -#ifdef CONFIG_ACPI -static int __init map_generic_timer_interrupt(u32 interrupt, u32 flags) -{ - int trigger, polarity; - - if (!interrupt) - return 0; - - trigger = (flags & ACPI_GTDT_INTERRUPT_MODE) ? ACPI_EDGE_SENSITIVE - : ACPI_LEVEL_SENSITIVE; - - polarity = (flags & ACPI_GTDT_INTERRUPT_POLARITY) ? ACPI_ACTIVE_LOW - : ACPI_ACTIVE_HIGH; - - return acpi_register_gsi(NULL, interrupt, trigger, polarity); -} - +#ifdef CONFIG_ACPI_GTDT /* Initialize per-processor generic timer */ static int __init arch_timer_acpi_init(struct acpi_table_header *table) { int ret; - struct acpi_table_gtdt *gtdt; if (arch_timers_present & ARCH_TIMER_TYPE_CP15) { pr_warn("already initialized, skipping\n"); return -EINVAL; } - gtdt = container_of(table, struct acpi_table_gtdt, header); - arch_timers_present |= ARCH_TIMER_TYPE_CP15; - arch_timer_ppi[ARCH_TIMER_PHYS_SECURE_PPI] = - map_generic_timer_interrupt(gtdt->secure_el1_interrupt, - gtdt->secure_el1_flags); + ret = acpi_gtdt_init(table, NULL); + if (ret) { + pr_err("Failed to init GTDT table.\n"); + return ret; + } arch_timer_ppi[ARCH_TIMER_PHYS_NONSECURE_PPI] = - map_generic_timer_interrupt(gtdt->non_secure_el1_interrupt, - gtdt->non_secure_el1_flags); + acpi_gtdt_map_ppi(ARCH_TIMER_PHYS_NONSECURE_PPI); arch_timer_ppi[ARCH_TIMER_VIRT_PPI] = - map_generic_timer_interrupt(gtdt->virtual_timer_interrupt, - gtdt->virtual_timer_flags); + acpi_gtdt_map_ppi(ARCH_TIMER_VIRT_PPI); arch_timer_ppi[ARCH_TIMER_HYP_PPI] = - map_generic_timer_interrupt(gtdt->non_secure_el2_interrupt, - gtdt->non_secure_el2_flags); + acpi_gtdt_map_ppi(ARCH_TIMER_HYP_PPI); arch_timer_kvm_info.virtual_irq = arch_timer_ppi[ARCH_TIMER_VIRT_PPI]; @@ -1451,7 +1431,7 @@ static int __init arch_timer_acpi_init(struct acpi_table_header *table) } /* Always-on capability */ - arch_timer_c3stop = !(gtdt->non_secure_el1_flags & ACPI_GTDT_ALWAYS_ON); + arch_timer_c3stop = acpi_gtdt_c3stop(arch_timer_uses_ppi); /* Check for globally applicable workarounds */ arch_timer_check_ool_workaround(ate_match_acpi_oem_info, table); -- 2.9.3
WARNING: multiple messages have this Message-ID (diff)
From: fu.wei@linaro.org (fu.wei at linaro.org) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v24 07/11] clocksource: arm_arch_timer: simplify ACPI support code. Date: Sat, 15 Apr 2017 02:40:10 +0800 [thread overview] Message-ID: <20170414184014.8524-8-fu.wei@linaro.org> (raw) In-Reply-To: <20170414184014.8524-1-fu.wei@linaro.org> From: Fu Wei <fu.wei@linaro.org> The patch update arm_arch_timer driver to use the function provided by the new GTDT driver of ACPI. By this way, arm_arch_timer.c can be simplified, and separate all the ACPI GTDT knowledge from this timer driver. Signed-off-by: Fu Wei <fu.wei@linaro.org> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Tested-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Tested-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Mark Rutland <mark.rutland@arm.com> --- drivers/clocksource/arm_arch_timer.c | 40 +++++++++--------------------------- 1 file changed, 10 insertions(+), 30 deletions(-) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index dad0264..05f2f7a 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -1384,53 +1384,33 @@ static int __init arch_timer_mem_of_init(struct device_node *np) CLOCKSOURCE_OF_DECLARE(armv7_arch_timer_mem, "arm,armv7-timer-mem", arch_timer_mem_of_init); -#ifdef CONFIG_ACPI -static int __init map_generic_timer_interrupt(u32 interrupt, u32 flags) -{ - int trigger, polarity; - - if (!interrupt) - return 0; - - trigger = (flags & ACPI_GTDT_INTERRUPT_MODE) ? ACPI_EDGE_SENSITIVE - : ACPI_LEVEL_SENSITIVE; - - polarity = (flags & ACPI_GTDT_INTERRUPT_POLARITY) ? ACPI_ACTIVE_LOW - : ACPI_ACTIVE_HIGH; - - return acpi_register_gsi(NULL, interrupt, trigger, polarity); -} - +#ifdef CONFIG_ACPI_GTDT /* Initialize per-processor generic timer */ static int __init arch_timer_acpi_init(struct acpi_table_header *table) { int ret; - struct acpi_table_gtdt *gtdt; if (arch_timers_present & ARCH_TIMER_TYPE_CP15) { pr_warn("already initialized, skipping\n"); return -EINVAL; } - gtdt = container_of(table, struct acpi_table_gtdt, header); - arch_timers_present |= ARCH_TIMER_TYPE_CP15; - arch_timer_ppi[ARCH_TIMER_PHYS_SECURE_PPI] = - map_generic_timer_interrupt(gtdt->secure_el1_interrupt, - gtdt->secure_el1_flags); + ret = acpi_gtdt_init(table, NULL); + if (ret) { + pr_err("Failed to init GTDT table.\n"); + return ret; + } arch_timer_ppi[ARCH_TIMER_PHYS_NONSECURE_PPI] = - map_generic_timer_interrupt(gtdt->non_secure_el1_interrupt, - gtdt->non_secure_el1_flags); + acpi_gtdt_map_ppi(ARCH_TIMER_PHYS_NONSECURE_PPI); arch_timer_ppi[ARCH_TIMER_VIRT_PPI] = - map_generic_timer_interrupt(gtdt->virtual_timer_interrupt, - gtdt->virtual_timer_flags); + acpi_gtdt_map_ppi(ARCH_TIMER_VIRT_PPI); arch_timer_ppi[ARCH_TIMER_HYP_PPI] = - map_generic_timer_interrupt(gtdt->non_secure_el2_interrupt, - gtdt->non_secure_el2_flags); + acpi_gtdt_map_ppi(ARCH_TIMER_HYP_PPI); arch_timer_kvm_info.virtual_irq = arch_timer_ppi[ARCH_TIMER_VIRT_PPI]; @@ -1451,7 +1431,7 @@ static int __init arch_timer_acpi_init(struct acpi_table_header *table) } /* Always-on capability */ - arch_timer_c3stop = !(gtdt->non_secure_el1_flags & ACPI_GTDT_ALWAYS_ON); + arch_timer_c3stop = acpi_gtdt_c3stop(arch_timer_uses_ppi); /* Check for globally applicable workarounds */ arch_timer_check_ool_workaround(ate_match_acpi_oem_info, table); -- 2.9.3
next prev parent reply other threads:[~2017-04-14 18:40 UTC|newest] Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-04-14 18:40 [PATCH v24 00/11] acpi, clocksource: add GTDT driver and GTDT support in arm_arch_timer fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 01/11] clocksource: arm_arch_timer: split dt-only rate handling fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 02/11] clocksource: arm_arch_timer: refactor arch_timer_needs_probing fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 03/11] clocksource: arm_arch_timer: move arch_timer_needs_of_probing into DT init call fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 04/11] clocksource: arm_arch_timer: add structs to describe MMIO timer fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org [not found] ` <20170414184014.8524-1-fu.wei-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> 2017-04-14 18:40 ` [PATCH v24 05/11] clocksource: arm_arch_timer: split MMIO timer probing fu.wei-QSEj5FYQhm4dnm+yROfE0A 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` fu.wei 2017-04-14 18:40 ` [PATCH v24 06/11] acpi/arm64: Add GTDT table parse driver fu.wei-QSEj5FYQhm4dnm+yROfE0A 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` fu.wei 2017-04-14 18:40 ` fu.wei [this message] 2017-04-14 18:40 ` [PATCH v24 07/11] clocksource: arm_arch_timer: simplify ACPI support code fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 08/11] acpi: Introduce acpi_unregister_irq function fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-18 15:58 ` Mark Rutland 2017-04-18 15:58 ` Mark Rutland 2017-04-19 15:09 ` Mark Rutland 2017-04-19 15:09 ` Mark Rutland 2017-04-14 18:40 ` [PATCH v24 09/11] acpi/arm64: Add memory-mapped timer support in GTDT driver fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-18 17:21 ` Lorenzo Pieralisi 2017-04-18 17:21 ` Lorenzo Pieralisi 2017-04-19 15:07 ` Mark Rutland 2017-04-19 15:07 ` Mark Rutland 2017-04-19 15:45 ` Mark Rutland 2017-04-19 15:45 ` Mark Rutland 2017-04-19 15:45 ` Mark Rutland 2017-04-19 15:56 ` Lorenzo Pieralisi 2017-04-19 15:56 ` Lorenzo Pieralisi 2017-04-19 15:56 ` Lorenzo Pieralisi 2017-04-14 18:40 ` [PATCH v24 10/11] clocksource: arm_arch_timer: add GTDT support for memory-mapped timer fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 11/11] acpi/arm64: Add SBSA Generic Watchdog support in GTDT driver fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` fu.wei
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