From 3a5b7c7629c57edb6063c839ccad36ab48353726 Mon Sep 17 00:00:00 2001 From: florian Date: Wed, 20 Jun 2012 21:57:45 +0000 Subject: [mcs814x] do not use MULTI_IRQ_HANDLER it is bogus on our platform This caused stalls in the Ethernet DMA block, so until properly written and sorted out, fallback to the assembly version instead. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32470 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c | 22 +--------------------- 1 file changed, 1 insertion(+), 21 deletions(-) (limited to 'target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c') diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c index cf86734af..c8a3c18cf 100644 --- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c +++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/irq.c @@ -20,7 +20,7 @@ #define MCS814X_IRQ_MASK 0x20 #define MCS814X_IRQ_STS0 0x40 -static void __iomem *mcs814x_intc_base; +void __iomem *mcs814x_intc_base; static void __init mcs814x_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num) @@ -47,26 +47,6 @@ static void __init mcs814x_alloc_gc(void __iomem *base, unsigned int irq_start, __raw_writel(0xffffffff, base + MCS814X_IRQ_ICR); } -asmlinkage void __exception_irq_entry mcs814x_handle_irq(struct pt_regs *regs) -{ - u32 status, irq; - - do { - /* read the status register */ - status = __raw_readl(mcs814x_intc_base + MCS814X_IRQ_STS0); - if (!status) - break; - - irq = ffs(status) - 1; - status |= (1 << irq); - /* clear the interrupt */ - __raw_writel(status, mcs814x_intc_base + MCS814X_IRQ_ICR); - /* call the generic handler */ - handle_IRQ(irq, regs); - - } while (1); -} - static const struct of_device_id mcs814x_intc_ids[] = { { .compatible = "moschip,mcs814x-intc" }, { /* sentinel */ }, -- cgit v1.2.3