From 7cf04396c56e6e8272eb7e1a22b7b71549989fed Mon Sep 17 00:00:00 2001 From: "Alexandros C. Couloumbis" Date: Thu, 24 Jun 2010 14:38:03 +0000 Subject: [PATCH] ixp4xx: add Mikael Petterssons patch works SVN-Revision: 21894 --- .../601-arm-dma_free_coherent.patch | 12 +++++++ .../603-arm-kluin-array-indexing.patch | 33 +++++++++++++++++++ .../604-arm-ixp4xx-sched_clock.patch | 20 +++++++++++ .../605-arm-rmk-cache-flush-optim.patch | 11 +++++++ 4 files changed, 76 insertions(+) create mode 100644 target/linux/ixp4xx/patches-2.6.33/601-arm-dma_free_coherent.patch create mode 100644 target/linux/ixp4xx/patches-2.6.33/603-arm-kluin-array-indexing.patch create mode 100644 target/linux/ixp4xx/patches-2.6.33/604-arm-ixp4xx-sched_clock.patch create mode 100644 target/linux/ixp4xx/patches-2.6.33/605-arm-rmk-cache-flush-optim.patch diff --git a/target/linux/ixp4xx/patches-2.6.33/601-arm-dma_free_coherent.patch b/target/linux/ixp4xx/patches-2.6.33/601-arm-dma_free_coherent.patch new file mode 100644 index 0000000000..b939705b5b --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.33/601-arm-dma_free_coherent.patch @@ -0,0 +1,12 @@ +--- a/arch/arm/mm/dma-mapping.c ++++ b/arch/arm/mm/dma-mapping.c +@@ -384,7 +384,8 @@ EXPORT_SYMBOL(dma_mmap_writecombine); + */ + void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle) + { +- WARN_ON(irqs_disabled()); ++ if (irqs_disabled()) /* don't want stack dumps for these! */ ++ printk("WARNING: at %s:%d %s()\n", __FILE__, __LINE__, __FUNCTION__); + + if (dma_release_from_coherent(dev, get_order(size), cpu_addr)) + return; diff --git a/target/linux/ixp4xx/patches-2.6.33/603-arm-kluin-array-indexing.patch b/target/linux/ixp4xx/patches-2.6.33/603-arm-kluin-array-indexing.patch new file mode 100644 index 0000000000..aca693a41c --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.33/603-arm-kluin-array-indexing.patch @@ -0,0 +1,33 @@ +--- a/arch/arm/kernel/setup.c ++++ b/arch/arm/kernel/setup.c +@@ -322,12 +322,13 @@ static void __init setup_processor(void) + void cpu_init(void) + { + unsigned int cpu = smp_processor_id(); +- struct stack *stk = &stacks[cpu]; ++ struct stack *stk; + + if (cpu >= NR_CPUS) { + printk(KERN_CRIT "CPU%u: bad primary CPU number\n", cpu); + BUG(); + } ++ stk = &stacks[cpu]; + + /* + * Define the placement constraint for the inline asm directive below. +@@ -386,13 +387,14 @@ static struct machine_desc * __init setu + + static int __init arm_add_memory(unsigned long start, unsigned long size) + { +- struct membank *bank = &meminfo.bank[meminfo.nr_banks]; ++ struct membank *bank; + + if (meminfo.nr_banks >= NR_BANKS) { + printk(KERN_CRIT "NR_BANKS too low, " + "ignoring memory at %#lx\n", start); + return -EINVAL; + } ++ bank = &meminfo.bank[meminfo.nr_banks]; + + /* + * Ensure that start/size are aligned to a page boundary. diff --git a/target/linux/ixp4xx/patches-2.6.33/604-arm-ixp4xx-sched_clock.patch b/target/linux/ixp4xx/patches-2.6.33/604-arm-ixp4xx-sched_clock.patch new file mode 100644 index 0000000000..150f852f0d --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.33/604-arm-ixp4xx-sched_clock.patch @@ -0,0 +1,20 @@ +--- a/arch/arm/mach-ixp4xx/common.c ++++ b/arch/arm/mach-ixp4xx/common.c +@@ -427,6 +427,17 @@ static void __init ixp4xx_clocksource_in + } + + /* ++ * sched_clock() ++ */ ++unsigned long long sched_clock(void) ++{ ++ cycle_t cyc = ixp4xx_get_cycles(NULL); ++ struct clocksource *cs = &clocksource_ixp4xx; ++ ++ return clocksource_cyc2ns(cyc, cs->mult, cs->shift); ++} ++ ++/* + * clockevents + */ + static int ixp4xx_set_next_event(unsigned long evt, diff --git a/target/linux/ixp4xx/patches-2.6.33/605-arm-rmk-cache-flush-optim.patch b/target/linux/ixp4xx/patches-2.6.33/605-arm-rmk-cache-flush-optim.patch new file mode 100644 index 0000000000..31e0fb5319 --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.33/605-arm-rmk-cache-flush-optim.patch @@ -0,0 +1,11 @@ +--- a/arch/arm/mm/fault-armv.c ++++ b/arch/arm/mm/fault-armv.c +@@ -127,8 +127,6 @@ make_coherent(struct address_space *mapp + flush_dcache_mmap_unlock(mapping); + if (aliases) + adjust_pte(vma, addr); +- else +- flush_cache_page(vma, addr, pfn); + } + + /* -- 2.30.2