From mboxrd@z Thu Jan 1 00:00:00 1970 From: julien.grall@arm.com (Julien Grall) Date: Mon, 4 Apr 2016 12:37:34 +0100 Subject: [PATCH v5 3/9] irqchip/gic-v2: Gather ACPI specific data in a single structure In-Reply-To: <1459769860-6629-1-git-send-email-julien.grall@arm.com> References: <1459769860-6629-1-git-send-email-julien.grall@arm.com> Message-ID: <1459769860-6629-4-git-send-email-julien.grall@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The ACPI code requires to use global variables in order to collect information from the tables. For now, a single global variable is used, but more will be added in a subsequent patch. To make clear they are ACPI specific, gather all the information in a single structure. Signed-off-by: Julien Grall Acked-by: Christofer Dall --- Cc: Thomas Gleixner Cc: Jason Cooper Cc: Marc Zyngier Changes in v4: - Update commit message - Rename cpu_phy_base to cpu_phys_base - Add Christopher's acked-by Changes in v2: - Patch added --- drivers/irqchip/irq-gic.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 282344b..7a73786 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -1245,7 +1245,10 @@ IRQCHIP_DECLARE(pl390, "arm,pl390", gic_of_init); #endif #ifdef CONFIG_ACPI -static phys_addr_t cpu_phy_base __initdata; +static struct +{ + phys_addr_t cpu_phys_base; +} acpi_data __initdata; static int __init gic_acpi_parse_madt_cpu(struct acpi_subtable_header *header, @@ -1265,10 +1268,10 @@ gic_acpi_parse_madt_cpu(struct acpi_subtable_header *header, * All CPU interface addresses have to be the same. */ gic_cpu_base = processor->base_address; - if (cpu_base_assigned && gic_cpu_base != cpu_phy_base) + if (cpu_base_assigned && gic_cpu_base != acpi_data.cpu_phys_base) return -EINVAL; - cpu_phy_base = gic_cpu_base; + acpi_data.cpu_phys_base = gic_cpu_base; cpu_base_assigned = 1; return 0; } @@ -1316,7 +1319,7 @@ static int __init gic_v2_acpi_init(struct acpi_subtable_header *header, return -EINVAL; } - cpu_base = ioremap(cpu_phy_base, ACPI_GIC_CPU_IF_MEM_SIZE); + cpu_base = ioremap(acpi_data.cpu_phys_base, ACPI_GIC_CPU_IF_MEM_SIZE); if (!cpu_base) { pr_err("Unable to map GICC registers\n"); return -ENOMEM; -- 1.9.1