From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- ANDROID_3.4.5/arch/arm/plat-versatile/fpga-irq.c | 72 ------------------------ 1 file changed, 72 deletions(-) delete mode 100644 ANDROID_3.4.5/arch/arm/plat-versatile/fpga-irq.c (limited to 'ANDROID_3.4.5/arch/arm/plat-versatile/fpga-irq.c') diff --git a/ANDROID_3.4.5/arch/arm/plat-versatile/fpga-irq.c b/ANDROID_3.4.5/arch/arm/plat-versatile/fpga-irq.c deleted file mode 100644 index f0cc8e19..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-versatile/fpga-irq.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Support for Versatile FPGA-based IRQ controllers - */ -#include -#include - -#include -#include - -#define IRQ_STATUS 0x00 -#define IRQ_RAW_STATUS 0x04 -#define IRQ_ENABLE_SET 0x08 -#define IRQ_ENABLE_CLEAR 0x0c - -static void fpga_irq_mask(struct irq_data *d) -{ - struct fpga_irq_data *f = irq_data_get_irq_chip_data(d); - u32 mask = 1 << (d->irq - f->irq_start); - - writel(mask, f->base + IRQ_ENABLE_CLEAR); -} - -static void fpga_irq_unmask(struct irq_data *d) -{ - struct fpga_irq_data *f = irq_data_get_irq_chip_data(d); - u32 mask = 1 << (d->irq - f->irq_start); - - writel(mask, f->base + IRQ_ENABLE_SET); -} - -static void fpga_irq_handle(unsigned int irq, struct irq_desc *desc) -{ - struct fpga_irq_data *f = irq_desc_get_handler_data(desc); - u32 status = readl(f->base + IRQ_STATUS); - - if (status == 0) { - do_bad_IRQ(irq, desc); - return; - } - - do { - irq = ffs(status) - 1; - status &= ~(1 << irq); - - generic_handle_irq(irq + f->irq_start); - } while (status); -} - -void __init fpga_irq_init(int parent_irq, u32 valid, struct fpga_irq_data *f) -{ - unsigned int i; - - f->chip.irq_ack = fpga_irq_mask; - f->chip.irq_mask = fpga_irq_mask; - f->chip.irq_unmask = fpga_irq_unmask; - - if (parent_irq != -1) { - irq_set_handler_data(parent_irq, f); - irq_set_chained_handler(parent_irq, fpga_irq_handle); - } - - for (i = 0; i < 32; i++) { - if (valid & (1 << i)) { - unsigned int irq = f->irq_start + i; - - irq_set_chip_data(irq, f); - irq_set_chip_and_handler(irq, &f->chip, - handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); - } - } -} -- cgit