diff options
Diffstat (limited to 'bsp/qemu-ppc32/qemu-powerpc-work-around-for-qemu-powerpc-32-interru.patch')
| -rw-r--r-- | bsp/qemu-ppc32/qemu-powerpc-work-around-for-qemu-powerpc-32-interru.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/bsp/qemu-ppc32/qemu-powerpc-work-around-for-qemu-powerpc-32-interru.patch b/bsp/qemu-ppc32/qemu-powerpc-work-around-for-qemu-powerpc-32-interru.patch deleted file mode 100644 index 313a04d7..00000000 --- a/bsp/qemu-ppc32/qemu-powerpc-work-around-for-qemu-powerpc-32-interru.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 209ea269a862451a4bed62f2930c4ba82aaf5368 Mon Sep 17 00:00:00 2001 -From: Jason Wessel <jason.wessel@windriver.com> -Date: Wed, 3 Feb 2010 13:51:19 -0500 -Subject: [PATCH] qemu, powerpc: work around for qemu powerpc 32 interrupts - -Workaround for QEMU powerpc 32 to force interrupt acknoledgement - -Signed-off-by: Jason Wessel <jason.wessel@windriver.com> -Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com> -diff --git a/arch/powerpc/platforms/qemu/Kconfig b/arch/powerpc/platforms/qemu/Kconfig -index d64ed92..366e50c 100644 ---- a/arch/powerpc/platforms/qemu/Kconfig -+++ b/arch/powerpc/platforms/qemu/Kconfig -@@ -1,6 +1,6 @@ - config PPC_QEMU - bool "QEMU emulated PowerPC Reference Platform (PReP) system" -- depends on PPC_MULTIPLATFORM && PPC32 -+ depends on PPC32 - select PPC_I8259 - select PPC_INDIRECT_PCI - select PPC_UDBG_16550 -diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c -index 616ec1c..4a22fa6 100644 ---- a/kernel/irq/chip.c -+++ b/kernel/irq/chip.c -@@ -137,9 +137,18 @@ struct irq_data *irq_get_irq_data(unsigned int irq) - } - EXPORT_SYMBOL_GPL(irq_get_irq_data); - -+#define IRQ_DELAYED_DISABLE 0x10000000 /* IRQ disable (masking) happens delayed. */ -+ - static void irq_state_clr_disabled(struct irq_desc *desc) - { -+#ifdef CONFIG_PPC_QEMU -+ struct irq_desc *desc = irq_data_to_desc(irq); -+ -+ if (!(desc->status & IRQ_DELAYED_DISABLE)) -+ desc->chip->mask(irq); -+#else - irqd_clear(&desc->irq_data, IRQD_IRQ_DISABLED); -+#endif /* CONFIG_PPC_QEMU */ - } - - static void irq_state_set_disabled(struct irq_desc *desc) |