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-rw-r--r--arch/mips/Kconfig3
-rw-r--r--arch/mips/bcm63xx/dev-spi.c11
-rw-r--r--arch/mips/include/asm/hugetlb.h1
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h1
-rw-r--r--arch/mips/include/asm/page.h2
-rw-r--r--arch/mips/kernel/early_printk.c12
-rw-r--r--arch/mips/kernel/process.c48
-rw-r--r--arch/mips/kernel/smp.c2
-rw-r--r--arch/mips/mm/init.c37
-rw-r--r--arch/mips/pci/pci.c8
-rw-r--r--arch/mips/sgi-ip27/ip27-memory.c4
11 files changed, 46 insertions, 83 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 51244bf97271..3a7b3954ce1b 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -404,6 +404,8 @@ config PMC_MSP
select IRQ_CPU
select SERIAL_8250
select SERIAL_8250_CONSOLE
+ select USB_EHCI_BIG_ENDIAN_MMIO
+ select USB_EHCI_BIG_ENDIAN_DESC
help
This adds support for the PMC-Sierra family of Multi-Service
Processor System-On-A-Chips. These parts include a number
@@ -1433,6 +1435,7 @@ config CPU_CAVIUM_OCTEON
select CPU_SUPPORTS_HUGEPAGES
select LIBFDT
select USE_OF
+ select USB_EHCI_BIG_ENDIAN_MMIO
help
The Cavium Octeon processor is a highly integrated chip containing
many ethernet hardware widgets for networking tasks. The processor
diff --git a/arch/mips/bcm63xx/dev-spi.c b/arch/mips/bcm63xx/dev-spi.c
index f1c9c3e2f678..e97fd60e92ef 100644
--- a/arch/mips/bcm63xx/dev-spi.c
+++ b/arch/mips/bcm63xx/dev-spi.c
@@ -85,20 +85,9 @@ static struct platform_device bcm63xx_spi_device = {
int __init bcm63xx_spi_register(void)
{
- struct clk *periph_clk;
-
if (BCMCPU_IS_6328() || BCMCPU_IS_6345())
return -ENODEV;
- periph_clk = clk_get(NULL, "periph");
- if (IS_ERR(periph_clk)) {
- pr_err("unable to get periph clock\n");
- return -ENODEV;
- }
-
- /* Set bus frequency */
- spi_pdata.speed_hz = clk_get_rate(periph_clk);
-
spi_resources[0].start = bcm63xx_regset_address(RSET_SPI);
spi_resources[0].end = spi_resources[0].start;
spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index ef99db994c2f..fe0d15d32660 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -10,6 +10,7 @@
#define __ASM_HUGETLB_H
#include <asm/page.h>
+#include <asm-generic/hugetlb.h>
static inline int is_hugepage_only_range(struct mm_struct *mm,
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
index c9bae1362606..b0184cf02575 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
@@ -13,7 +13,6 @@ struct bcm63xx_spi_pdata {
unsigned int msg_ctl_width;
int bus_num;
int num_chipselect;
- u32 speed_hz;
};
enum bcm63xx_regs_spi {
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index 99fc547af9d3..eab99e536b5c 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -31,7 +31,7 @@
#define PAGE_SHIFT 16
#endif
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
-#define PAGE_MASK (~(PAGE_SIZE - 1))
+#define PAGE_MASK (~((1 << PAGE_SHIFT) - 1))
#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
#define HPAGE_SHIFT (PAGE_SHIFT + PAGE_SHIFT - 3)
diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c
index 9e6440eaa455..505cb77d1280 100644
--- a/arch/mips/kernel/early_printk.c
+++ b/arch/mips/kernel/early_printk.c
@@ -7,7 +7,9 @@
* Copyright (C) 2007 MIPS Technologies, Inc.
* written by Ralf Baechle (ralf@linux-mips.org)
*/
+#include <linux/kernel.h>
#include <linux/console.h>
+#include <linux/printk.h>
#include <linux/init.h>
#include <asm/setup.h>
@@ -24,20 +26,18 @@ static void early_console_write(struct console *con, const char *s, unsigned n)
}
}
-static struct console early_console = {
+static struct console early_console_prom = {
.name = "early",
.write = early_console_write,
.flags = CON_PRINTBUFFER | CON_BOOT,
.index = -1
};
-static int early_console_initialized __initdata;
-
void __init setup_early_printk(void)
{
- if (early_console_initialized)
+ if (early_console)
return;
- early_console_initialized = 1;
+ early_console = &early_console_prom;
- register_console(&early_console);
+ register_console(&early_console_prom);
}
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 3be4405c2d14..cfc742d75b7f 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -41,44 +41,26 @@
#include <asm/inst.h>
#include <asm/stacktrace.h>
-/*
- * The idle thread. There's no useful work to be done, so just try to conserve
- * power and have a low exit latency (ie sit in a loop waiting for somebody to
- * say that they'd like to reschedule)
- */
-void __noreturn cpu_idle(void)
+#ifdef CONFIG_HOTPLUG_CPU
+void arch_cpu_idle_dead(void)
{
- int cpu;
-
- /* CPU is going idle. */
- cpu = smp_processor_id();
+ /* What the heck is this check doing ? */
+ if (!cpu_isset(smp_processor_id(), cpu_callin_map))
+ play_dead();
+}
+#endif
- /* endless idle loop with no priority at all */
- while (1) {
- tick_nohz_idle_enter();
- rcu_idle_enter();
- while (!need_resched() && cpu_online(cpu)) {
+void arch_cpu_idle(void)
+{
#ifdef CONFIG_MIPS_MT_SMTC
- extern void smtc_idle_loop_hook(void);
+ extern void smtc_idle_loop_hook(void);
- smtc_idle_loop_hook();
+ smtc_idle_loop_hook();
#endif
-
- if (cpu_wait) {
- /* Don't trace irqs off for idle */
- stop_critical_timings();
- (*cpu_wait)();
- start_critical_timings();
- }
- }
-#ifdef CONFIG_HOTPLUG_CPU
- if (!cpu_online(cpu) && !cpu_isset(cpu, cpu_callin_map))
- play_dead();
-#endif
- rcu_idle_exit();
- tick_nohz_idle_exit();
- schedule_preempt_disabled();
- }
+ if (cpu_wait)
+ (*cpu_wait)();
+ else
+ local_irq_enable();
}
asmlinkage void ret_from_fork(void);
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 66bf4e22d9b9..aee04af213c5 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -139,7 +139,7 @@ asmlinkage __cpuinit void start_secondary(void)
WARN_ON_ONCE(!irqs_disabled());
mp_ops->smp_finish();
- cpu_idle();
+ cpu_startup_entry(CPUHP_ONLINE);
}
/*
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 67929251286c..3d0346dbccf4 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -77,10 +77,9 @@ EXPORT_SYMBOL_GPL(empty_zero_page);
/*
* Not static inline because used by IP27 special magic initialization code
*/
-unsigned long setup_zero_pages(void)
+void setup_zero_pages(void)
{
- unsigned int order;
- unsigned long size;
+ unsigned int order, i;
struct page *page;
if (cpu_has_vce)
@@ -94,15 +93,10 @@ unsigned long setup_zero_pages(void)
page = virt_to_page((void *)empty_zero_page);
split_page(page, order);
- while (page < virt_to_page((void *)(empty_zero_page + (PAGE_SIZE << order)))) {
- SetPageReserved(page);
- page++;
- }
-
- size = PAGE_SIZE << order;
- zero_page_mask = (size - 1) & PAGE_MASK;
+ for (i = 0; i < (1 << order); i++, page++)
+ mark_page_reserved(page);
- return 1UL << order;
+ zero_page_mask = ((PAGE_SIZE << order) - 1) & PAGE_MASK;
}
#ifdef CONFIG_MIPS_MT_SMTC
@@ -380,7 +374,7 @@ void __init mem_init(void)
high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
totalram_pages += free_all_bootmem();
- totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */
+ setup_zero_pages(); /* Setup zeroed pages. */
reservedpages = ram = 0;
for (tmp = 0; tmp < max_low_pfn; tmp++)
@@ -399,12 +393,8 @@ void __init mem_init(void)
SetPageReserved(page);
continue;
}
- ClearPageReserved(page);
- init_page_count(page);
- __free_page(page);
- totalhigh_pages++;
+ free_highmem_page(page);
}
- totalram_pages += totalhigh_pages;
num_physpages += totalhigh_pages;
#endif
@@ -440,11 +430,8 @@ void free_init_pages(const char *what, unsigned long begin, unsigned long end)
struct page *page = pfn_to_page(pfn);
void *addr = phys_to_virt(PFN_PHYS(pfn));
- ClearPageReserved(page);
- init_page_count(page);
memset(addr, POISON_FREE_INITMEM, PAGE_SIZE);
- __free_page(page);
- totalram_pages++;
+ free_reserved_page(page);
}
printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
}
@@ -452,18 +439,14 @@ void free_init_pages(const char *what, unsigned long begin, unsigned long end)
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
- free_init_pages("initrd memory",
- virt_to_phys((void *)start),
- virt_to_phys((void *)end));
+ free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd");
}
#endif
void __init_refok free_initmem(void)
{
prom_free_prom_memory();
- free_init_pages("unused kernel memory",
- __pa_symbol(&__init_begin),
- __pa_symbol(&__init_end));
+ free_initmem_default(POISON_FREE_INITMEM);
}
#ifndef CONFIG_MIPS_PGD_C0_CONTEXT
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 0872f12f268d..594e60d6a43b 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -115,7 +115,6 @@ static void pcibios_scanbus(struct pci_controller *hose)
pci_bus_assign_resources(bus);
pci_enable_bridges(bus);
}
- bus->dev.of_node = hose->of_node;
}
}
@@ -169,6 +168,13 @@ void pci_load_of_ranges(struct pci_controller *hose, struct device_node *node)
}
}
}
+
+struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus)
+{
+ struct pci_controller *hose = bus->sysdata;
+
+ return of_node_get(hose->of_node);
+}
#endif
static DEFINE_MUTEX(pci_scan_mutex);
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index 3505d08ff2fd..5f2bddb1860e 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -457,7 +457,7 @@ void __init prom_free_prom_memory(void)
/* We got nothing to free here ... */
}
-extern unsigned long setup_zero_pages(void);
+extern void setup_zero_pages(void);
void __init paging_init(void)
{
@@ -492,7 +492,7 @@ void __init mem_init(void)
totalram_pages += free_all_bootmem_node(NODE_DATA(node));
}
- totalram_pages -= setup_zero_pages(); /* This comes from node 0 */
+ setup_zero_pages(); /* This comes from node 0 */
codesize = (unsigned long) &_etext - (unsigned long) &_text;
datasize = (unsigned long) &_edata - (unsigned long) &_etext;
generated by cgit (git 2.34.1) at 2025-05-14 19:33:04 +0000