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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

Browse Source 
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/pci: Fix MODPOST warning
  powerpc/oprofile: Add ppc750 CL as supported by oprofile
  powerpc: warning: allocated section `.data_nosave' not in segment
  powerpc/kgdb: Fix build failure caused by "kgdb.c: unused variable 'acc'"
  powerpc: Fix hypervisor TLB batching
  powerpc/mm: Fix hang accessing top of vmalloc space
  powerpc: Fix memory leak in axon_msi.c
  powerpc/pmac: Fix issues with sleep on some powerbooks
  powerpc64/ftrace: use PACA to retrieve TOC in mod_return_to_handler
  powerpc/ftrace: show real return addresses in modules
This commit is contained in:
Linus Torvalds 2009-10-15 15:15:03 -07:00
commit 37a08b13eb
12 changed files with 51 additions and 45 deletions
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10
arch/powerpc/include/asm/firmware.h
View File

@ -37,7 +37,7 @@
#define FW_FEATURE_VIO ASM_CONST(0x0000000000004000)
#define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000)
#define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000)
#define FW_FEATURE_BULK ASM_CONST(0x0000000000020000)
#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000)
#define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000)
#define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000)
#define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000)
@ -45,8 +45,7 @@
#define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000)
#define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000)
#define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000)
#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000002000000)
#define FW_FEATURE_CMO ASM_CONST(0x0000000004000000)
#define FW_FEATURE_CMO ASM_CONST(0x0000000002000000)
#ifndef __ASSEMBLY__
@ -58,8 +57,9 @@ enum {
FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | FW_FEATURE_CMO,
FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
FW_FEATURE_CMO,
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,

2
arch/powerpc/kernel/cputable.c
View File

@ -711,6 +711,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
.cpu_setup = __setup_cpu_750,
.machine_check = machine_check_generic,
.platform = "ppc750",
.oprofile_cpu_type = "ppc/750",
.oprofile_type = PPC_OPROFILE_G4,
},
{ /* 745/755 */
.pvr_mask = 0xfffff000,

3
arch/powerpc/kernel/entry_64.S
View File

@ -1038,8 +1038,7 @@ _GLOBAL(mod_return_to_handler)
* We are in a module using the module's TOC.
* Switch to our TOC to run inside the core kernel.
*/
LOAD_REG_IMMEDIATE(r4,ftrace_return_to_handler)
ld r2, 8(r4)
ld r2, PACATOC(r13)
bl .ftrace_return_to_handler
nop

6
arch/powerpc/kernel/kgdb.c
View File

@ -282,12 +282,6 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
{
unsigned long *ptr = gdb_regs;
int reg;
#ifdef CONFIG_SPE
union {
u32 v32[2];
u64 v64;
} acc;
#endif
for (reg = 0; reg < 32; reg++)
UNPACK64(regs->gpr[reg], ptr);

2
arch/powerpc/kernel/pci-common.c
View File

@ -1190,7 +1190,7 @@ EXPORT_SYMBOL(pcibios_align_resource);
* Reparent resource children of pr that conflict with res
* under res, and make res replace those children.
*/
static int __init reparent_resources(struct resource *parent,
static int reparent_resources(struct resource *parent,
struct resource *res)
{
struct resource *p, **pp;

10
arch/powerpc/kernel/process.c
View File

@ -1016,9 +1016,13 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
int curr_frame = current->curr_ret_stack;
extern void return_to_handler(void);
unsigned long addr = (unsigned long)return_to_handler;
unsigned long rth = (unsigned long)return_to_handler;
unsigned long mrth = -1;
#ifdef CONFIG_PPC64
addr = *(unsigned long*)addr;
extern void mod_return_to_handler(void);
rth = *(unsigned long *)rth;
mrth = (unsigned long)mod_return_to_handler;
mrth = *(unsigned long *)mrth;
#endif
#endif
@ -1044,7 +1048,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
if (!firstframe || ip != lr) {
printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
if (ip == addr && curr_frame >= 0) {
if ((ip == rth || ip == mrth) && curr_frame >= 0) {
printk(" (%pS)",
(void *)current->ret_stack[curr_frame].ret);
curr_frame--;

1
arch/powerpc/kernel/vmlinux.lds.S
View File

@ -236,6 +236,7 @@ SECTIONS
READ_MOSTLY_DATA(L1_CACHE_BYTES)
}
. = ALIGN(PAGE_SIZE);
.data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
NOSAVE_DATA
}

10
arch/powerpc/mm/slb_low.S
View File

@ -72,19 +72,17 @@ _GLOBAL(slb_miss_kernel_load_vmemmap)
1:
#endif /* CONFIG_SPARSEMEM_VMEMMAP */
/* vmalloc/ioremap mapping encoding bits, the "li" instructions below
* will be patched by the kernel at boot
/* vmalloc mapping gets the encoding from the PACA as the mapping
* can be demoted from 64K -> 4K dynamically on some machines
*/
BEGIN_FTR_SECTION
/* check whether this is in vmalloc or ioremap space */
clrldi r11,r10,48
cmpldi r11,(VMALLOC_SIZE >> 28) - 1
bgt 5f
lhz r11,PACAVMALLOCSLLP(r13)
b 6f
5:
END_FTR_SECTION_IFCLR(CPU_FTR_CI_LARGE_PAGE)
_GLOBAL(slb_miss_kernel_load_io)
/* IO mapping */
_GLOBAL(slb_miss_kernel_load_io)
li r11,0
6:
BEGIN_FTR_SECTION

2
arch/powerpc/platforms/cell/axon_msi.c
View File

@ -365,7 +365,7 @@ static int axon_msi_probe(struct of_device *device,
printk(KERN_ERR
"axon_msi: couldn't parse dcr properties on %s\n",
dn->full_name);
goto out;
goto out_free_msic;
}
msic->dcr_host = dcr_map(dn, dcr_base, dcr_len);

7
arch/powerpc/platforms/powermac/low_i2c.c
View File

@ -540,8 +540,11 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np)
/* Make sure IRQ is disabled */
kw_write_reg(reg_ier, 0);
/* Request chip interrupt */
if (request_irq(host->irq, kw_i2c_irq, 0, "keywest i2c", host))
/* Request chip interrupt. We set IRQF_TIMER because we don't
* want that interrupt disabled between the 2 passes of driver
* suspend or we'll have issues running the pfuncs
*/
if (request_irq(host->irq, kw_i2c_irq, IRQF_TIMER, "keywest i2c", host))
host->irq = NO_IRQ;
printk(KERN_INFO "KeyWest i2c @0x%08x irq %d %s\n",

3
arch/powerpc/platforms/pseries/firmware.c
View File

@ -51,11 +51,10 @@ firmware_features_table[FIRMWARE_MAX_FEATURES] = {
{FW_FEATURE_VIO, "hcall-vio"},
{FW_FEATURE_RDMA, "hcall-rdma"},
{FW_FEATURE_LLAN, "hcall-lLAN"},
{FW_FEATURE_BULK, "hcall-bulk"},
{FW_FEATURE_BULK_REMOVE, "hcall-bulk"},
{FW_FEATURE_XDABR, "hcall-xdabr"},
{FW_FEATURE_MULTITCE, "hcall-multi-tce"},
{FW_FEATURE_SPLPAR, "hcall-splpar"},
{FW_FEATURE_BULK_REMOVE, "hcall-bulk"},
};
/* Build up the firmware features bitmask using the contents of

40
drivers/macintosh/via-pmu.c
View File

@ -405,7 +405,11 @@ static int __init via_pmu_start(void)
printk(KERN_ERR "via-pmu: can't map interrupt\n");
return -ENODEV;
}
if (request_irq(irq, via_pmu_interrupt, 0, "VIA-PMU", (void *)0)) {
/* We set IRQF_TIMER because we don't want the interrupt to be disabled
* between the 2 passes of driver suspend, we control our own disabling
* for that one
*/
if (request_irq(irq, via_pmu_interrupt, IRQF_TIMER, "VIA-PMU", (void *)0)) {
printk(KERN_ERR "via-pmu: can't request irq %d\n", irq);
return -ENODEV;
}
@ -419,7 +423,7 @@ static int __init via_pmu_start(void)
gpio_irq = irq_of_parse_and_map(gpio_node, 0);
if (gpio_irq != NO_IRQ) {
if (request_irq(gpio_irq, gpio1_interrupt, 0,
if (request_irq(gpio_irq, gpio1_interrupt, IRQF_TIMER,
"GPIO1 ADB", (void *)0))
printk(KERN_ERR "pmu: can't get irq %d"
" (GPIO1)\n", gpio_irq);
@ -925,8 +929,7 @@ proc_write_options(struct file *file, const char __user *buffer,
#ifdef CONFIG_ADB
/* Send an ADB command */
static int
pmu_send_request(struct adb_request *req, int sync)
static int pmu_send_request(struct adb_request *req, int sync)
{
int i, ret;
@ -1005,16 +1008,11 @@ pmu_send_request(struct adb_request *req, int sync)
}
/* Enable/disable autopolling */
static int
pmu_adb_autopoll(int devs)
static int __pmu_adb_autopoll(int devs)
{
struct adb_request req;
if ((vias == NULL) || (!pmu_fully_inited) || !pmu_has_adb)
return -ENXIO;
if (devs) {
adb_dev_map = devs;
pmu_request(&req, NULL, 5, PMU_ADB_CMD, 0, 0x86,
adb_dev_map >> 8, adb_dev_map);
pmu_adb_flags = 2;
@ -1027,9 +1025,17 @@ pmu_adb_autopoll(int devs)
return 0;
}
static int pmu_adb_autopoll(int devs)
{
if ((vias == NULL) || (!pmu_fully_inited) || !pmu_has_adb)
return -ENXIO;
adb_dev_map = devs;
return __pmu_adb_autopoll(devs);
}
/* Reset the ADB bus */
static int
pmu_adb_reset_bus(void)
static int pmu_adb_reset_bus(void)
{
struct adb_request req;
int save_autopoll = adb_dev_map;
@ -1038,13 +1044,13 @@ pmu_adb_reset_bus(void)
return -ENXIO;
/* anyone got a better idea?? */
pmu_adb_autopoll(0);
__pmu_adb_autopoll(0);
req.nbytes = 5;
req.nbytes = 4;
req.done = NULL;
req.data[0] = PMU_ADB_CMD;
req.data[1] = 0;
req.data[2] = ADB_BUSRESET;
req.data[1] = ADB_BUSRESET;
req.data[2] = 0;
req.data[3] = 0;
req.data[4] = 0;
req.reply_len = 0;
@ -1056,7 +1062,7 @@ pmu_adb_reset_bus(void)
pmu_wait_complete(&req);
if (save_autopoll != 0)
pmu_adb_autopoll(save_autopoll);
__pmu_adb_autopoll(save_autopoll);
return 0;
}