From 9dc2d0f55fb693ae6d50c8dd3d934fe3133ca183 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 2 Nov 2005 11:51:15 +0000 Subject: [ARM] Fix realview machine type for patch 3060/1 Realview was missed in this cleanup... Signed-off-by: Russell King --- include/asm-arm/arch-realview/memory.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include') diff --git a/include/asm-arm/arch-realview/memory.h b/include/asm-arm/arch-realview/memory.h index 99667d5cc617..ed370abb638f 100644 --- a/include/asm-arm/arch-realview/memory.h +++ b/include/asm-arm/arch-realview/memory.h @@ -23,7 +23,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET (0x00000000UL) +#define PHYS_OFFSET UL(0x00000000) /* * Virtual view <-> DMA view memory address translations -- cgit v1.2.1 From bfca94590bfd3dcd958c542d2fb6406518150fee Mon Sep 17 00:00:00 2001 From: John Bowler Date: Wed, 2 Nov 2005 11:55:12 +0000 Subject: [ARM] 3083/1: include/asm-arm/arch-ixp4xx/io.h: eliminate warnings for pointer passed to integral function argument Patch from John Bowler Fix for a compiler warning, this wasn't apparent in 2.6.12, I believe the compiler options have been changed (somewhere) so that passing a (void*) to a (u32) argument is now warned. This accounts for the majority of the warnings in my builds of the 2.6.14 kernel for NSLU2. The patch changes pointer parameters declared as u32 to be declared as either, for read parameters: const volatile void __iomem * and for write parameters: volatile void __iomem * Signed-off-by: John Bowler Signed-off-by: Deepak Saxena Signed-off-by: Russell King --- include/asm-arm/arch-ixp4xx/io.h | 74 ++++++++++++++++++++++------------------ 1 file changed, 40 insertions(+), 34 deletions(-) (limited to 'include') diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h index 80d05ecad2f0..688f7f90d93e 100644 --- a/include/asm-arm/arch-ixp4xx/io.h +++ b/include/asm-arm/arch-ixp4xx/io.h @@ -80,9 +80,9 @@ __ixp4xx_iounmap(void __iomem *addr) #define __arch_ioremap(a, s, f, x) __ixp4xx_ioremap(a, s, f, x) #define __arch_iounmap(a) __ixp4xx_iounmap(a) -#define writeb(p, v) __ixp4xx_writeb(p, v) -#define writew(p, v) __ixp4xx_writew(p, v) -#define writel(p, v) __ixp4xx_writel(p, v) +#define writeb(v, p) __ixp4xx_writeb(v, p) +#define writew(v, p) __ixp4xx_writew(v, p) +#define writel(v, p) __ixp4xx_writel(v, p) #define writesb(p, v, l) __ixp4xx_writesb(p, v, l) #define writesw(p, v, l) __ixp4xx_writesw(p, v, l) @@ -97,8 +97,9 @@ __ixp4xx_iounmap(void __iomem *addr) #define readsl(p, v, l) __ixp4xx_readsl(p, v, l) static inline void -__ixp4xx_writeb(u8 value, u32 addr) +__ixp4xx_writeb(u8 value, volatile void __iomem *p) { + u32 addr = (u32)p; u32 n, byte_enables, data; if (addr >= VMALLOC_START) { @@ -113,15 +114,16 @@ __ixp4xx_writeb(u8 value, u32 addr) } static inline void -__ixp4xx_writesb(u32 bus_addr, const u8 *vaddr, int count) +__ixp4xx_writesb(volatile void __iomem *bus_addr, const u8 *vaddr, int count) { while (count--) writeb(*vaddr++, bus_addr); } static inline void -__ixp4xx_writew(u16 value, u32 addr) +__ixp4xx_writew(u16 value, volatile void __iomem *p) { + u32 addr = (u32)p; u32 n, byte_enables, data; if (addr >= VMALLOC_START) { @@ -136,15 +138,16 @@ __ixp4xx_writew(u16 value, u32 addr) } static inline void -__ixp4xx_writesw(u32 bus_addr, const u16 *vaddr, int count) +__ixp4xx_writesw(volatile void __iomem *bus_addr, const u16 *vaddr, int count) { while (count--) writew(*vaddr++, bus_addr); } static inline void -__ixp4xx_writel(u32 value, u32 addr) +__ixp4xx_writel(u32 value, volatile void __iomem *p) { + u32 addr = (u32)p; if (addr >= VMALLOC_START) { __raw_writel(value, addr); return; @@ -154,15 +157,16 @@ __ixp4xx_writel(u32 value, u32 addr) } static inline void -__ixp4xx_writesl(u32 bus_addr, const u32 *vaddr, int count) +__ixp4xx_writesl(volatile void __iomem *bus_addr, const u32 *vaddr, int count) { while (count--) writel(*vaddr++, bus_addr); } static inline unsigned char -__ixp4xx_readb(u32 addr) +__ixp4xx_readb(const volatile void __iomem *p) { + u32 addr = (u32)p; u32 n, byte_enables, data; if (addr >= VMALLOC_START) @@ -177,15 +181,16 @@ __ixp4xx_readb(u32 addr) } static inline void -__ixp4xx_readsb(u32 bus_addr, u8 *vaddr, u32 count) +__ixp4xx_readsb(const volatile void __iomem *bus_addr, u8 *vaddr, u32 count) { while (count--) *vaddr++ = readb(bus_addr); } static inline unsigned short -__ixp4xx_readw(u32 addr) +__ixp4xx_readw(const volatile void __iomem *p) { + u32 addr = (u32)p; u32 n, byte_enables, data; if (addr >= VMALLOC_START) @@ -200,15 +205,16 @@ __ixp4xx_readw(u32 addr) } static inline void -__ixp4xx_readsw(u32 bus_addr, u16 *vaddr, u32 count) +__ixp4xx_readsw(const volatile void __iomem *bus_addr, u16 *vaddr, u32 count) { while (count--) *vaddr++ = readw(bus_addr); } static inline unsigned long -__ixp4xx_readl(u32 addr) +__ixp4xx_readl(const volatile void __iomem *p) { + u32 addr = (u32)p; u32 data; if (addr >= VMALLOC_START) @@ -221,7 +227,7 @@ __ixp4xx_readl(u32 addr) } static inline void -__ixp4xx_readsl(u32 bus_addr, u32 *vaddr, u32 count) +__ixp4xx_readsl(const volatile void __iomem *bus_addr, u32 *vaddr, u32 count) { while (count--) *vaddr++ = readl(bus_addr); @@ -239,7 +245,7 @@ __ixp4xx_readsl(u32 bus_addr, u32 *vaddr, u32 count) eth_copy_and_sum((s),__mem_pci(c),(l),(b)) static inline int -check_signature(unsigned long bus_addr, const unsigned char *signature, +check_signature(const unsigned char __iomem *bus_addr, const unsigned char *signature, int length) { int retval = 0; @@ -389,7 +395,7 @@ __ixp4xx_insl(u32 io_addr, u32 *vaddr, u32 count) #define __is_io_address(p) (((unsigned long)p >= PIO_OFFSET) && \ ((unsigned long)p <= (PIO_MASK + PIO_OFFSET))) static inline unsigned int -__ixp4xx_ioread8(void __iomem *addr) +__ixp4xx_ioread8(const void __iomem *addr) { unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) @@ -398,12 +404,12 @@ __ixp4xx_ioread8(void __iomem *addr) #ifndef CONFIG_IXP4XX_INDIRECT_PCI return (unsigned int)__raw_readb(port); #else - return (unsigned int)__ixp4xx_readb(port); + return (unsigned int)__ixp4xx_readb(addr); #endif } static inline void -__ixp4xx_ioread8_rep(void __iomem *addr, void *vaddr, u32 count) +__ixp4xx_ioread8_rep(const void __iomem *addr, void *vaddr, u32 count) { unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) @@ -412,12 +418,12 @@ __ixp4xx_ioread8_rep(void __iomem *addr, void *vaddr, u32 count) #ifndef CONFIG_IXP4XX_INDIRECT_PCI __raw_readsb(addr, vaddr, count); #else - __ixp4xx_readsb(port, vaddr, count); + __ixp4xx_readsb(addr, vaddr, count); #endif } static inline unsigned int -__ixp4xx_ioread16(void __iomem *addr) +__ixp4xx_ioread16(const void __iomem *addr) { unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) @@ -426,12 +432,12 @@ __ixp4xx_ioread16(void __iomem *addr) #ifndef CONFIG_IXP4XX_INDIRECT_PCI return le16_to_cpu(__raw_readw((u32)port)); #else - return (unsigned int)__ixp4xx_readw((u32)port); + return (unsigned int)__ixp4xx_readw(addr); #endif } static inline void -__ixp4xx_ioread16_rep(void __iomem *addr, void *vaddr, u32 count) +__ixp4xx_ioread16_rep(const void __iomem *addr, void *vaddr, u32 count) { unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) @@ -440,12 +446,12 @@ __ixp4xx_ioread16_rep(void __iomem *addr, void *vaddr, u32 count) #ifndef CONFIG_IXP4XX_INDIRECT_PCI __raw_readsw(addr, vaddr, count); #else - __ixp4xx_readsw(port, vaddr, count); + __ixp4xx_readsw(addr, vaddr, count); #endif } static inline unsigned int -__ixp4xx_ioread32(void __iomem *addr) +__ixp4xx_ioread32(const void __iomem *addr) { unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) @@ -454,13 +460,13 @@ __ixp4xx_ioread32(void __iomem *addr) #ifndef CONFIG_IXP4XX_INDIRECT_PCI return le32_to_cpu(__raw_readl((u32)port)); #else - return (unsigned int)__ixp4xx_readl((u32)port); + return (unsigned int)__ixp4xx_readl(addr); #endif } } static inline void -__ixp4xx_ioread32_rep(void __iomem *addr, void *vaddr, u32 count) +__ixp4xx_ioread32_rep(const void __iomem *addr, void *vaddr, u32 count) { unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) @@ -469,7 +475,7 @@ __ixp4xx_ioread32_rep(void __iomem *addr, void *vaddr, u32 count) #ifndef CONFIG_IXP4XX_INDIRECT_PCI __raw_readsl(addr, vaddr, count); #else - __ixp4xx_readsl(port, vaddr, count); + __ixp4xx_readsl(addr, vaddr, count); #endif } @@ -483,7 +489,7 @@ __ixp4xx_iowrite8(u8 value, void __iomem *addr) #ifndef CONFIG_IXP4XX_INDIRECT_PCI __raw_writeb(value, port); #else - __ixp4xx_writeb(value, port); + __ixp4xx_writeb(value, addr); #endif } @@ -497,7 +503,7 @@ __ixp4xx_iowrite8_rep(void __iomem *addr, const void *vaddr, u32 count) #ifndef CONFIG_IXP4XX_INDIRECT_PCI __raw_writesb(addr, vaddr, count); #else - __ixp4xx_writesb(port, vaddr, count); + __ixp4xx_writesb(addr, vaddr, count); #endif } @@ -511,7 +517,7 @@ __ixp4xx_iowrite16(u16 value, void __iomem *addr) #ifndef CONFIG_IXP4XX_INDIRECT_PCI __raw_writew(cpu_to_le16(value), addr); #else - __ixp4xx_writew(value, port); + __ixp4xx_writew(value, addr); #endif } @@ -525,7 +531,7 @@ __ixp4xx_iowrite16_rep(void __iomem *addr, const void *vaddr, u32 count) #ifndef CONFIG_IXP4XX_INDIRECT_PCI __raw_writesw(addr, vaddr, count); #else - __ixp4xx_writesw(port, vaddr, count); + __ixp4xx_writesw(addr, vaddr, count); #endif } @@ -539,7 +545,7 @@ __ixp4xx_iowrite32(u32 value, void __iomem *addr) #ifndef CONFIG_IXP4XX_INDIRECT_PCI __raw_writel(cpu_to_le32(value), port); #else - __ixp4xx_writel(value, port); + __ixp4xx_writel(value, addr); #endif } @@ -553,7 +559,7 @@ __ixp4xx_iowrite32_rep(void __iomem *addr, const void *vaddr, u32 count) #ifndef CONFIG_IXP4XX_INDIRECT_PCI __raw_writesl(addr, vaddr, count); #else - __ixp4xx_writesl(port, vaddr, count); + __ixp4xx_writesl(addr, vaddr, count); #endif } -- cgit v1.2.1 From 7e86df273292b3a88c14b9aed1006cddac2b4c23 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 2 Nov 2005 15:09:31 +0000 Subject: [ARM] Fix ARM rwlock implementations fb1c8f93d869b34cacb8b8932e2b83d96a19d720 broke the ARM rwlock code since it only partially updated the rwlock implementation. Properly update it. Signed-off-by: Russell King --- include/asm-arm/spinlock.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'include') diff --git a/include/asm-arm/spinlock.h b/include/asm-arm/spinlock.h index cb4906b45555..6ed4f916b166 100644 --- a/include/asm-arm/spinlock.h +++ b/include/asm-arm/spinlock.h @@ -80,7 +80,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) */ #define rwlock_is_locked(x) (*((volatile unsigned int *)(x)) != 0) -static inline void __raw_write_lock(rwlock_t *rw) +static inline void __raw_write_lock(raw_rwlock_t *rw) { unsigned long tmp; @@ -97,7 +97,7 @@ static inline void __raw_write_lock(rwlock_t *rw) smp_mb(); } -static inline int __raw_write_trylock(rwlock_t *rw) +static inline int __raw_write_trylock(raw_rwlock_t *rw) { unsigned long tmp; @@ -157,7 +157,7 @@ static inline void __raw_read_lock(raw_rwlock_t *rw) smp_mb(); } -static inline void __raw_read_unlock(rwlock_t *rw) +static inline void __raw_read_unlock(raw_rwlock_t *rw) { unsigned long tmp, tmp2; -- cgit v1.2.1 From 71f512e89704f5aa6fc0b97e4a719184080b8938 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 2 Nov 2005 21:51:40 +0000 Subject: [ARM SMP] Track CPU idle threads Track the idle thread task_struct for each CPU. Signed-off-by: Russell King --- include/asm-arm/cpu.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/asm-arm/cpu.h b/include/asm-arm/cpu.h index fcbdd40cb667..751bc7462074 100644 --- a/include/asm-arm/cpu.h +++ b/include/asm-arm/cpu.h @@ -16,6 +16,7 @@ struct cpuinfo_arm { struct cpu cpu; #ifdef CONFIG_SMP + struct task_struct *idle; unsigned int loops_per_jiffy; #endif }; -- cgit v1.2.1 From a054a811597a17ffbe92bc4db04a4dc2f1b1ea55 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 2 Nov 2005 22:24:33 +0000 Subject: [ARM SMP] Add hotplug CPU infrastructure This patch adds the infrastructure to support hotplug CPU on ARM platforms. Signed-off-by: Russell King --- include/asm-arm/irq.h | 1 + include/asm-arm/smp.h | 10 ++++++++++ 2 files changed, 11 insertions(+) (limited to 'include') diff --git a/include/asm-arm/irq.h b/include/asm-arm/irq.h index f97912fbb10f..59975ee43cf1 100644 --- a/include/asm-arm/irq.h +++ b/include/asm-arm/irq.h @@ -47,5 +47,6 @@ struct irqaction; struct pt_regs; int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *); +extern void migrate_irqs(void); #endif diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h index dbb4d859c586..551cd3c3093c 100644 --- a/include/asm-arm/smp.h +++ b/include/asm-arm/smp.h @@ -66,4 +66,14 @@ struct secondary_data { }; extern struct secondary_data secondary_data; +extern int __cpu_disable(void); +extern int mach_cpu_disable(unsigned int cpu); + +extern void __cpu_die(unsigned int cpu); +extern void cpu_die(void); + +extern void platform_cpu_die(unsigned int cpu); +extern int platform_cpu_kill(unsigned int cpu); +extern void platform_cpu_enable(unsigned int cpu); + #endif /* ifndef __ASM_ARM_SMP_H */ -- cgit v1.2.1