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-rw-r--r--arch/powerpc/Makefile2
-rw-r--r--arch/powerpc/boot/Makefile8
-rw-r--r--arch/powerpc/kernel/kprobes.c9
-rw-r--r--arch/powerpc/kernel/prom.c13
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_common.c1
-rw-r--r--arch/powerpc/platforms/cell/spu_base.c12
-rw-r--r--arch/powerpc/platforms/cell/spufs/run.c1
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c8
-rw-r--r--arch/powerpc/platforms/cell/spufs/switch.c6
-rw-r--r--arch/powerpc/platforms/pasemi/Makefile2
-rw-r--r--arch/powerpc/platforms/pasemi/misc.c97
-rw-r--r--arch/powerpc/platforms/pseries/power.c2
-rw-r--r--arch/powerpc/sysdev/mpic_pasemi_msi.c5
13 files changed, 126 insertions, 40 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 6845482f0093..1c6ce3536e4c 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -176,7 +176,7 @@ define archhelp
@echo ' *_defconfig - Select default config from arch/$(ARCH)/configs'
endef
-install: vdso_install
+install:
$(Q)$(MAKE) $(build)=$(boot) install
vdso_install:
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 63d07ccbb9db..e3993a607584 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -35,10 +35,10 @@ endif
BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) -I$(srctree)/$(src)/libfdt
-$(obj)/4xx.o: BOOTCFLAGS += -mcpu=440
-$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
-$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
-$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
+$(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
+$(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
+$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
+$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 5338e4855712..c176c513566b 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -274,7 +274,7 @@ no_kprobe:
* - When the probed function returns, this probe
* causes the handlers to fire
*/
-void kretprobe_trampoline_holder(void)
+static void __used kretprobe_trampoline_holder(void)
{
asm volatile(".global kretprobe_trampoline\n"
"kretprobe_trampoline:\n"
@@ -284,7 +284,8 @@ void kretprobe_trampoline_holder(void)
/*
* Called when the probe at kretprobe trampoline is hit
*/
-int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
+static int __kprobes trampoline_probe_handler(struct kprobe *p,
+ struct pt_regs *regs)
{
struct kretprobe_instance *ri = NULL;
struct hlist_head *head, empty_rp;
@@ -517,12 +518,12 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
return 1;
}
-void __kprobes jprobe_return(void)
+void __used __kprobes jprobe_return(void)
{
asm volatile("trap" ::: "memory");
}
-void __kprobes jprobe_return_end(void)
+static void __used __kprobes jprobe_return_end(void)
{
};
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 8b5efbce8d90..eac97f48b9b8 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -865,12 +865,12 @@ static int __init early_init_dt_scan_root(unsigned long node,
return 1;
}
-static unsigned long __init dt_mem_next_cell(int s, cell_t **cellp)
+static u64 __init dt_mem_next_cell(int s, cell_t **cellp)
{
cell_t *p = *cellp;
*cellp = p + s;
- return of_read_ulong(p, s);
+ return of_read_number(p, s);
}
#ifdef CONFIG_PPC_PSERIES
@@ -883,8 +883,8 @@ static unsigned long __init dt_mem_next_cell(int s, cell_t **cellp)
static int __init early_init_dt_scan_drconf_memory(unsigned long node)
{
cell_t *dm, *ls;
- unsigned long l, n;
- unsigned long base, size, lmb_size, flags;
+ unsigned long l, n, flags;
+ u64 base, size, lmb_size;
ls = (cell_t *)of_get_flat_dt_prop(node, "ibm,lmb-size", &l);
if (ls == NULL || l < dt_root_size_cells * sizeof(cell_t))
@@ -959,14 +959,15 @@ static int __init early_init_dt_scan_memory(unsigned long node,
uname, l, reg[0], reg[1], reg[2], reg[3]);
while ((endp - reg) >= (dt_root_addr_cells + dt_root_size_cells)) {
- unsigned long base, size;
+ u64 base, size;
base = dt_mem_next_cell(dt_root_addr_cells, &reg);
size = dt_mem_next_cell(dt_root_size_cells, &reg);
if (size == 0)
continue;
- DBG(" - %lx , %lx\n", base, size);
+ DBG(" - %llx , %llx\n", (unsigned long long)base,
+ (unsigned long long)size);
#ifdef CONFIG_PPC64
if (iommu_is_off) {
if (base >= 0x80000000ul)
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
index 9aa4425d80b2..4d5fd1dbd400 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -199,6 +199,7 @@ int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv)
return 0;
}
+EXPORT_SYMBOL(mpc52xx_set_psc_clkdiv);
/**
* mpc52xx_restart: ppc_md->restart hook for mpc5200 using the watchdog timer
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index e45cfa84911f..87eb07f94c5f 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -160,13 +160,6 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
pr_debug("%s\n", __FUNCTION__);
- if (test_bit(SPU_CONTEXT_SWITCH_ACTIVE, &spu->flags)) {
- /* SLBs are pre-loaded for context switch, so
- * we should never get here!
- */
- printk("%s: invalid access during switch!\n", __func__);
- return 1;
- }
slb.esid = (ea & ESID_MASK) | SLB_ESID_V;
switch(REGION_ID(ea)) {
@@ -226,11 +219,6 @@ static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)
return 0;
}
- if (test_bit(SPU_CONTEXT_SWITCH_ACTIVE, &spu->flags)) {
- printk("%s: invalid access during switch!\n", __func__);
- return 1;
- }
-
spu->class_0_pending = 0;
spu->dar = ea;
spu->dsisr = dsisr;
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index fca22e18069a..6221968c2a3c 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -234,6 +234,7 @@ static int spu_run_fini(struct spu_context *ctx, u32 *npc,
*npc = ctx->ops->npc_read(ctx);
spuctx_switch_state(ctx, SPU_UTIL_IDLE_LOADED);
+ ctx->policy = SCHED_IDLE;
spu_release(ctx);
if (signal_pending(current))
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 5915343e2599..3a5972117de7 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -856,21 +856,18 @@ static noinline void spusched_tick(struct spu_context *ctx)
{
struct spu_context *new = NULL;
struct spu *spu = NULL;
- u32 status;
if (spu_acquire(ctx))
BUG(); /* a kernel thread never has signals pending */
if (ctx->state != SPU_STATE_RUNNABLE)
goto out;
- if (spu_stopped(ctx, &status))
- goto out;
if (ctx->flags & SPU_CREATE_NOSCHED)
goto out;
if (ctx->policy == SCHED_FIFO)
goto out;
- if (--ctx->time_slice)
+ if (--ctx->time_slice && ctx->policy != SCHED_IDLE)
goto out;
spu = ctx->spu;
@@ -880,7 +877,8 @@ static noinline void spusched_tick(struct spu_context *ctx)
new = grab_runnable_context(ctx->prio + 1, spu->node);
if (new) {
spu_unschedule(spu, ctx);
- spu_add_to_rq(ctx);
+ if (ctx->policy != SCHED_IDLE)
+ spu_add_to_rq(ctx);
} else {
spu_context_nospu_trace(spusched_tick__newslice, ctx);
ctx->time_slice++;
diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c
index 6063c88c26d2..6f5886c7b1f9 100644
--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -720,8 +720,9 @@ static inline void set_switch_active(struct spu_state *csa, struct spu *spu)
* Restore, Step 23.
* Change the software context switch pending flag
* to context switch active.
+ *
+ * This implementation does not uses a switch active flag.
*/
- set_bit(SPU_CONTEXT_SWITCH_ACTIVE, &spu->flags);
clear_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags);
mb();
}
@@ -1739,9 +1740,8 @@ static inline void reset_switch_active(struct spu_state *csa, struct spu *spu)
{
/* Restore, Step 74:
* Reset the "context switch active" flag.
+ * Not performed by this implementation.
*/
- clear_bit(SPU_CONTEXT_SWITCH_ACTIVE, &spu->flags);
- mb();
}
static inline void reenable_interrupts(struct spu_state *csa, struct spu *spu)
diff --git a/arch/powerpc/platforms/pasemi/Makefile b/arch/powerpc/platforms/pasemi/Makefile
index 8f52d7515793..ce6d789e0741 100644
--- a/arch/powerpc/platforms/pasemi/Makefile
+++ b/arch/powerpc/platforms/pasemi/Makefile
@@ -1,3 +1,3 @@
-obj-y += setup.o pci.o time.o idle.o powersave.o iommu.o dma_lib.o
+obj-y += setup.o pci.o time.o idle.o powersave.o iommu.o dma_lib.o misc.o
obj-$(CONFIG_PPC_PASEMI_MDIO) += gpio_mdio.o
obj-$(CONFIG_PPC_PASEMI_CPUFREQ) += cpufreq.o
diff --git a/arch/powerpc/platforms/pasemi/misc.c b/arch/powerpc/platforms/pasemi/misc.c
new file mode 100644
index 000000000000..ded7d152d00c
--- /dev/null
+++ b/arch/powerpc/platforms/pasemi/misc.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2007 PA Semi, Inc
+ *
+ * Parts based on arch/powerpc/sysdev/fsl_soc.c:
+ *
+ * 2006 (c) MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/of.h>
+#include <linux/i2c.h>
+
+#ifdef CONFIG_I2C_BOARDINFO
+/* The below is from fsl_soc.c. It's copied because since there are no
+ * official bus bindings at this time it doesn't make sense to share across
+ * the platforms, even though they happen to be common.
+ */
+struct i2c_driver_device {
+ char *of_device;
+ char *i2c_driver;
+ char *i2c_type;
+};
+
+static struct i2c_driver_device i2c_devices[] __initdata = {
+ {"dallas,ds1338", "rtc-ds1307", "ds1338"},
+};
+
+static int __init find_i2c_driver(struct device_node *node,
+ struct i2c_board_info *info)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
+ if (!of_device_is_compatible(node, i2c_devices[i].of_device))
+ continue;
+ if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
+ KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
+ strlcpy(info->type, i2c_devices[i].i2c_type,
+ I2C_NAME_SIZE) >= I2C_NAME_SIZE)
+ return -ENOMEM;
+ return 0;
+ }
+ return -ENODEV;
+}
+
+static int __init pasemi_register_i2c_devices(void)
+{
+ struct pci_dev *pdev;
+ struct device_node *adap_node;
+ struct device_node *node;
+
+ pdev = NULL;
+ while ((pdev = pci_get_device(PCI_VENDOR_ID_PASEMI, 0xa003, pdev))) {
+ adap_node = pci_device_to_OF_node(pdev);
+
+ if (!adap_node)
+ continue;
+
+ node = NULL;
+ while ((node = of_get_next_child(adap_node, node))) {
+ struct i2c_board_info info = {};
+ const u32 *addr;
+ int len;
+
+ addr = of_get_property(node, "reg", &len);
+ if (!addr || len < sizeof(int) ||
+ *addr > (1 << 10) - 1) {
+ printk(KERN_WARNING
+ "pasemi_register_i2c_devices: "
+ "invalid i2c device entry\n");
+ continue;
+ }
+
+ info.irq = irq_of_parse_and_map(node, 0);
+ if (info.irq == NO_IRQ)
+ info.irq = -1;
+
+ if (find_i2c_driver(node, &info) < 0)
+ continue;
+
+ info.addr = *addr;
+
+ i2c_register_board_info(PCI_FUNC(pdev->devfn), &info,
+ 1);
+ }
+ }
+ return 0;
+}
+device_initcall(pasemi_register_i2c_devices);
+#endif
diff --git a/arch/powerpc/platforms/pseries/power.c b/arch/powerpc/platforms/pseries/power.c
index e95fc1594c84..6d6266236446 100644
--- a/arch/powerpc/platforms/pseries/power.c
+++ b/arch/powerpc/platforms/pseries/power.c
@@ -75,7 +75,7 @@ core_initcall(pm_init);
#else
static int __init apo_pm_init(void)
{
- return (sysfs_create_file(power_kobj, &auto_poweron_attr));
+ return (sysfs_create_file(power_kobj, &auto_poweron_attr.attr));
}
__initcall(apo_pm_init);
#endif
diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c
index d6bfda30ac87..33cbfb22ce3e 100644
--- a/arch/powerpc/sysdev/mpic_pasemi_msi.c
+++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c
@@ -95,7 +95,6 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
unsigned int virq;
struct msi_desc *entry;
struct msi_msg msg;
- u64 addr;
pr_debug("pasemi_msi_setup_msi_irqs, pdev %p nvec %d type %d\n",
pdev, nvec, type);
@@ -132,8 +131,8 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
set_irq_chip(virq, &mpic_pasemi_msi_chip);
set_irq_type(virq, IRQ_TYPE_EDGE_RISING);
- pr_debug("pasemi_msi: allocated virq 0x%x (hw 0x%lx) addr 0x%lx\n",
- virq, hwirq, addr);
+ pr_debug("pasemi_msi: allocated virq 0x%x (hw 0x%lx) addr 0x%x\n",
+ virq, hwirq, msg.address_lo);
/* Likewise, the device writes [0...511] into the target
* register to generate MSI [512...1023]
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