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Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: serial: sh-sci: remove duplicated #include sh: Export uncached helper symbols. sh: Fix up NUMA build for 29-bit. serial: sh-sci: Fix build failure for non-sh architectures. sh: Fix up uncached offset for legacy 29-bit mode. sh: Support CPU affinity masks for INTC controllers.
This commit is contained in:
commit
e4d806377b
5 changed files with 50 additions and 2 deletions
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@ -66,6 +66,13 @@ int pmb_unmap(void __iomem *addr);
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#else
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static inline int
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pmb_bolt_mapping(unsigned long virt, phys_addr_t phys,
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unsigned long size, pgprot_t prot)
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{
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return -EINVAL;
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}
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static inline void __iomem *
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pmb_remap_caller(phys_addr_t phys, unsigned long size,
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pgprot_t prot, void *caller)
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@ -1,6 +1,8 @@
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#include <linux/init.h>
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#include <linux/module.h>
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#include <asm/sizes.h>
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#include <asm/page.h>
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#include <asm/addrspace.h>
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/*
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* This is the offset of the uncached section from its cached alias.
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@ -15,15 +17,22 @@
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unsigned long cached_to_uncached = SZ_512M;
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unsigned long uncached_size = SZ_512M;
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unsigned long uncached_start, uncached_end;
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EXPORT_SYMBOL(uncached_start);
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EXPORT_SYMBOL(uncached_end);
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int virt_addr_uncached(unsigned long kaddr)
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{
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return (kaddr >= uncached_start) && (kaddr < uncached_end);
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}
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EXPORT_SYMBOL(virt_addr_uncached);
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void __init uncached_init(void)
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{
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#ifdef CONFIG_29BIT
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uncached_start = P2SEG;
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#else
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uncached_start = memory_end;
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#endif
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uncached_end = uncached_start + uncached_size;
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}
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@ -50,7 +50,6 @@
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#include <linux/list.h>
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#include <linux/dmaengine.h>
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#include <linux/scatterlist.h>
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#include <linux/timer.h>
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#ifdef CONFIG_SUPERH
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#include <asm/sh_bios.h>
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@ -2,7 +2,7 @@
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* Shared interrupt handling code for IPR and INTC2 types of IRQs.
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*
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* Copyright (C) 2007, 2008 Magnus Damm
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* Copyright (C) 2009 Paul Mundt
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* Copyright (C) 2009, 2010 Paul Mundt
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*
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* Based on intc2.c and ipr.c
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*
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@ -26,6 +26,7 @@
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#include <linux/list.h>
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#include <linux/topology.h>
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#include <linux/bitmap.h>
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#include <linux/cpumask.h>
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#define _INTC_MK(fn, mode, addr_e, addr_d, width, shift) \
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((shift) | ((width) << 5) | ((fn) << 9) | ((mode) << 13) | \
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@ -234,6 +235,10 @@ static inline void _intc_enable(unsigned int irq, unsigned long handle)
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unsigned int cpu;
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for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_E(handle)); cpu++) {
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#ifdef CONFIG_SMP
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if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
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continue;
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#endif
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addr = INTC_REG(d, _INTC_ADDR_E(handle), cpu);
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intc_enable_fns[_INTC_MODE(handle)](addr, handle, intc_reg_fns\
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[_INTC_FN(handle)], irq);
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@ -253,6 +258,10 @@ static void intc_disable(unsigned int irq)
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unsigned int cpu;
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for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_D(handle)); cpu++) {
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#ifdef CONFIG_SMP
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if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
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continue;
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#endif
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addr = INTC_REG(d, _INTC_ADDR_D(handle), cpu);
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intc_disable_fns[_INTC_MODE(handle)](addr, handle,intc_reg_fns\
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[_INTC_FN(handle)], irq);
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@ -301,6 +310,23 @@ static int intc_set_wake(unsigned int irq, unsigned int on)
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return 0; /* allow wakeup, but setup hardware in intc_suspend() */
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}
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#ifdef CONFIG_SMP
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/*
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* This is held with the irq desc lock held, so we don't require any
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* additional locking here at the intc desc level. The affinity mask is
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* later tested in the enable/disable paths.
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*/
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static int intc_set_affinity(unsigned int irq, const struct cpumask *cpumask)
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{
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if (!cpumask_intersects(cpumask, cpu_online_mask))
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return -1;
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cpumask_copy(irq_to_desc(irq)->affinity, cpumask);
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return 0;
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}
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#endif
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static void intc_mask_ack(unsigned int irq)
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{
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struct intc_desc_int *d = get_intc_desc(irq);
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@ -847,6 +873,9 @@ void __init register_intc_controller(struct intc_desc *desc)
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d->chip.shutdown = intc_disable;
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d->chip.set_type = intc_set_sense;
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d->chip.set_wake = intc_set_wake;
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#ifdef CONFIG_SMP
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d->chip.set_affinity = intc_set_affinity;
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#endif
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if (hw->ack_regs) {
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for (i = 0; i < hw->nr_ack_regs; i++)
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@ -2,7 +2,9 @@
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#define __LINUX_SERIAL_SCI_H
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#include <linux/serial_core.h>
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#ifdef CONFIG_SERIAL_SH_SCI_DMA
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#include <asm/dmaengine.h>
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#endif
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/*
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* Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
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@ -30,8 +32,10 @@ struct plat_sci_port {
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upf_t flags; /* UPF_* flags */
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char *clk; /* clock string */
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struct device *dma_dev;
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#ifdef CONFIG_SERIAL_SH_SCI_DMA
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enum sh_dmae_slave_chan_id dma_slave_tx;
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enum sh_dmae_slave_chan_id dma_slave_rx;
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#endif
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};
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#endif /* __LINUX_SERIAL_SCI_H */
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