diff options
Diffstat (limited to 'arch/mn10300')
| -rw-r--r-- | arch/mn10300/Kconfig | 6 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/checksum.h | 17 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/dma-mapping.h | 161 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/page.h | 1 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/pci.h | 3 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/serial.h | 10 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/uaccess.h | 15 | ||||
| -rw-r--r-- | arch/mn10300/include/uapi/asm/socket.h | 5 | ||||
| -rw-r--r-- | arch/mn10300/kernel/fpu-nofpu.c | 1 | ||||
| -rw-r--r-- | arch/mn10300/kernel/smp.c | 2 | ||||
| -rw-r--r-- | arch/mn10300/mm/dma-alloc.c | 67 |
11 files changed, 85 insertions, 203 deletions
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig index 4434b54e1d87..06ddb5501ab1 100644 --- a/arch/mn10300/Kconfig +++ b/arch/mn10300/Kconfig @@ -1,6 +1,7 @@ config MN10300 def_bool y select HAVE_OPROFILE + select HAVE_UID16 select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSION select HAVE_ARCH_TRACEHOOK @@ -13,6 +14,7 @@ config MN10300 select OLD_SIGSUSPEND3 select OLD_SIGACTION select HAVE_DEBUG_STACKOVERFLOW + select ARCH_NO_COHERENT_DMA_MMAP config AM33_2 def_bool n @@ -37,9 +39,6 @@ config HIGHMEM config NUMA def_bool n -config UID16 - def_bool y - config RWSEM_GENERIC_SPINLOCK def_bool y @@ -54,6 +53,7 @@ config GENERIC_HWEIGHT config GENERIC_BUG def_bool y + depends on BUG config QUICKLIST def_bool y diff --git a/arch/mn10300/include/asm/checksum.h b/arch/mn10300/include/asm/checksum.h index 9fb2a8d8826a..c80df5b504ac 100644 --- a/arch/mn10300/include/asm/checksum.h +++ b/arch/mn10300/include/asm/checksum.h @@ -37,16 +37,11 @@ static inline __sum16 csum_fold(__wsum sum) return (~sum) >> 16; } -static inline __wsum csum_tcpudp_nofold(unsigned long saddr, - unsigned long daddr, - unsigned short len, - unsigned short proto, +static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, + __u32 len, __u8 proto, __wsum sum) { - __wsum tmp; - - tmp = (__wsum) ntohs(len) << 16; - tmp += (__wsum) proto << 8; + __wsum tmp = (__wsum)((len + proto) << 8); asm( " add %1,%0 \n" @@ -64,10 +59,8 @@ static inline __wsum csum_tcpudp_nofold(unsigned long saddr, * computes the checksum of the TCP/UDP pseudo-header * returns a 16-bit checksum, already complemented */ -static inline __sum16 csum_tcpudp_magic(unsigned long saddr, - unsigned long daddr, - unsigned short len, - unsigned short proto, +static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, + __u32 len, __u8 proto, __wsum sum) { return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h index a18abfc558eb..1dcd44757f32 100644 --- a/arch/mn10300/include/asm/dma-mapping.h +++ b/arch/mn10300/include/asm/dma-mapping.h @@ -11,154 +11,14 @@ #ifndef _ASM_DMA_MAPPING_H #define _ASM_DMA_MAPPING_H -#include <linux/mm.h> -#include <linux/scatterlist.h> - #include <asm/cache.h> #include <asm/io.h> -/* - * See Documentation/DMA-API.txt for the description of how the - * following DMA API should work. - */ - -extern void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, int flag); - -extern void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle); - -#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent((d), (s), (h), (f)) -#define dma_free_noncoherent(d, s, v, h) dma_free_coherent((d), (s), (v), (h)) - -static inline -dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); - mn10300_dcache_flush_inv(); - return virt_to_bus(ptr); -} - -static inline -void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); -} - -static inline -int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, - enum dma_data_direction direction) -{ - struct scatterlist *sg; - int i; - - BUG_ON(!valid_dma_direction(direction)); - WARN_ON(nents == 0 || sglist[0].length == 0); - - for_each_sg(sglist, sg, nents, i) { - BUG_ON(!sg_page(sg)); - - sg->dma_address = sg_phys(sg); - } +extern struct dma_map_ops mn10300_dma_ops; - mn10300_dcache_flush_inv(); - return nents; -} - -static inline -void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, - enum dma_data_direction direction) -{ - BUG_ON(!valid_dma_direction(direction)); -} - -static inline -dma_addr_t dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); - return page_to_bus(page) + offset; -} - -static inline -void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); -} - -static inline -void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, - size_t size, enum dma_data_direction direction) +static inline struct dma_map_ops *get_dma_ops(struct device *dev) { -} - -static inline -void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, - size_t size, enum dma_data_direction direction) -{ - mn10300_dcache_flush_inv(); -} - -static inline -void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle, - unsigned long offset, size_t size, - enum dma_data_direction direction) -{ -} - -static inline void -dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, - unsigned long offset, size_t size, - enum dma_data_direction direction) -{ - mn10300_dcache_flush_inv(); -} - - -static inline -void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, - int nelems, enum dma_data_direction direction) -{ -} - -static inline -void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, - int nelems, enum dma_data_direction direction) -{ - mn10300_dcache_flush_inv(); -} - -static inline -int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return 0; -} - -static inline -int dma_supported(struct device *dev, u64 mask) -{ - /* - * we fall back to GFP_DMA when the mask isn't all 1s, so we can't - * guarantee allocations that must be within a tighter range than - * GFP_DMA - */ - if (mask < 0x00ffffff) - return 0; - return 1; -} - -static inline -int dma_set_mask(struct device *dev, u64 mask) -{ - if (!dev->dma_mask || !dma_supported(dev, mask)) - return -EIO; - - *dev->dma_mask = mask; - return 0; + return &mn10300_dma_ops; } static inline @@ -168,19 +28,4 @@ void dma_cache_sync(void *vaddr, size_t size, mn10300_dcache_flush_inv(); } -/* Not supported for now */ -static inline int dma_mmap_coherent(struct device *dev, - struct vm_area_struct *vma, void *cpu_addr, - dma_addr_t dma_addr, size_t size) -{ - return -EINVAL; -} - -static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, - void *cpu_addr, dma_addr_t dma_addr, - size_t size) -{ - return -EINVAL; -} - #endif diff --git a/arch/mn10300/include/asm/page.h b/arch/mn10300/include/asm/page.h index 8288e124165b..3810a6f740fd 100644 --- a/arch/mn10300/include/asm/page.h +++ b/arch/mn10300/include/asm/page.h @@ -107,6 +107,7 @@ static inline int get_order(unsigned long size) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) #define pfn_to_page(pfn) (mem_map + ((pfn) - __pfn_disp)) #define page_to_pfn(page) ((unsigned long)((page) - mem_map) + __pfn_disp) +#define __pfn_to_phys(pfn) PFN_PHYS(pfn) #define pfn_valid(pfn) \ ({ \ diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h index be3debb8fc02..51159fff025a 100644 --- a/arch/mn10300/include/asm/pci.h +++ b/arch/mn10300/include/asm/pci.h @@ -80,9 +80,6 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, #endif /* __KERNEL__ */ -/* implement the pci_ DMA API in terms of the generic device dma_ one */ -#include <asm-generic/pci-dma-compat.h> - static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return channel ? 15 : 14; diff --git a/arch/mn10300/include/asm/serial.h b/arch/mn10300/include/asm/serial.h index c1990218f18c..594ebff15d3f 100644 --- a/arch/mn10300/include/asm/serial.h +++ b/arch/mn10300/include/asm/serial.h @@ -14,15 +14,15 @@ /* Standard COM flags (except for COM4, because of the 8514 problem) */ #ifdef CONFIG_SERIAL_8250_DETECT_IRQ -#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) -#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) +#define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ) +#define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF | UPF_AUTO_IRQ) #else -#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) -#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF +#define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST) +#define STD_COM4_FLAGS UPF_BOOT_AUTOCONF #endif #ifdef CONFIG_SERIAL_8250_MANY_PORTS -#define FOURPORT_FLAGS ASYNC_FOURPORT +#define FOURPORT_FLAGS UPF_FOURPORT #define ACCENT_FLAGS 0 #define BOCA_FLAGS 0 #define HUB6_FLAGS 0 diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h index 537278746a15..20f7bf6de384 100644 --- a/arch/mn10300/include/asm/uaccess.h +++ b/arch/mn10300/include/asm/uaccess.h @@ -110,21 +110,6 @@ extern int fixup_exception(struct pt_regs *regs); #define __put_user(x, ptr) __put_user_nocheck((x), (ptr), sizeof(*(ptr))) #define __get_user(x, ptr) __get_user_nocheck((x), (ptr), sizeof(*(ptr))) -/* - * The "xxx_ret" versions return constant specified in third argument, if - * something bad happens. These macros can be optimized for the - * case of just returning from the function xxx_ret is used. - */ - -#define put_user_ret(x, ptr, ret) \ - ({ if (put_user((x), (ptr))) return (ret); }) -#define get_user_ret(x, ptr, ret) \ - ({ if (get_user((x), (ptr))) return (ret); }) -#define __put_user_ret(x, ptr, ret) \ - ({ if (__put_user((x), (ptr))) return (ret); }) -#define __get_user_ret(x, ptr, ret) \ - ({ if (__get_user((x), (ptr))) return (ret); }) - struct __large_struct { unsigned long buf[100]; }; #define __m(x) (*(struct __large_struct *)(x)) diff --git a/arch/mn10300/include/uapi/asm/socket.h b/arch/mn10300/include/uapi/asm/socket.h index cab7d6d50051..5129f23a9ee1 100644 --- a/arch/mn10300/include/uapi/asm/socket.h +++ b/arch/mn10300/include/uapi/asm/socket.h @@ -85,4 +85,9 @@ #define SO_ATTACH_BPF 50 #define SO_DETACH_BPF SO_DETACH_FILTER +#define SO_ATTACH_REUSEPORT_CBPF 51 +#define SO_ATTACH_REUSEPORT_EBPF 52 + +#define SO_CNX_ADVICE 53 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/mn10300/kernel/fpu-nofpu.c b/arch/mn10300/kernel/fpu-nofpu.c index 31c765b92c5d..8d0e041aa798 100644 --- a/arch/mn10300/kernel/fpu-nofpu.c +++ b/arch/mn10300/kernel/fpu-nofpu.c @@ -9,6 +9,7 @@ * 2 of the Licence, or (at your option) any later version. */ #include <asm/fpu.h> +#include <asm/elf.h> /* * handle an FPU operational exception diff --git a/arch/mn10300/kernel/smp.c b/arch/mn10300/kernel/smp.c index f984193718b1..426173c4b0b9 100644 --- a/arch/mn10300/kernel/smp.c +++ b/arch/mn10300/kernel/smp.c @@ -675,7 +675,7 @@ int __init start_secondary(void *unused) #ifdef CONFIG_GENERIC_CLOCKEVENTS init_clockevents(); #endif - cpu_startup_entry(CPUHP_ONLINE); + cpu_startup_entry(CPUHP_AP_ONLINE_IDLE); return 0; } diff --git a/arch/mn10300/mm/dma-alloc.c b/arch/mn10300/mm/dma-alloc.c index e244ebe637e1..8842394cb49a 100644 --- a/arch/mn10300/mm/dma-alloc.c +++ b/arch/mn10300/mm/dma-alloc.c @@ -20,8 +20,8 @@ static unsigned long pci_sram_allocated = 0xbc000000; -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, int gfp) +static void *mn10300_dma_alloc(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, struct dma_attrs *attrs) { unsigned long addr; void *ret; @@ -61,10 +61,9 @@ done: printk("dma_alloc_coherent() = %p [%x]\n", ret, *dma_handle); return ret; } -EXPORT_SYMBOL(dma_alloc_coherent); -void dma_free_coherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle) +static void mn10300_dma_free(struct device *dev, size_t size, void *vaddr, + dma_addr_t dma_handle, struct dma_attrs *attrs) { unsigned long addr = (unsigned long) vaddr & ~0x20000000; @@ -73,4 +72,60 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr, free_pages(addr, get_order(size)); } -EXPORT_SYMBOL(dma_free_coherent); + +static int mn10300_dma_map_sg(struct device *dev, struct scatterlist *sglist, + int nents, enum dma_data_direction direction, + struct dma_attrs *attrs) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sglist, sg, nents, i) { + BUG_ON(!sg_page(sg)); + + sg->dma_address = sg_phys(sg); + } + + mn10300_dcache_flush_inv(); + return nents; +} + +static dma_addr_t mn10300_dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction direction, struct dma_attrs *attrs) +{ + return page_to_bus(page) + offset; +} + +static void mn10300_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, + size_t size, enum dma_data_direction direction) +{ + mn10300_dcache_flush_inv(); +} + +static void mn10300_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, + int nelems, enum dma_data_direction direction) +{ + mn10300_dcache_flush_inv(); +} + +static int mn10300_dma_supported(struct device *dev, u64 mask) +{ + /* + * we fall back to GFP_DMA when the mask isn't all 1s, so we can't + * guarantee allocations that must be within a tighter range than + * GFP_DMA + */ + if (mask < 0x00ffffff) + return 0; + return 1; +} + +struct dma_map_ops mn10300_dma_ops = { + .alloc = mn10300_dma_alloc, + .free = mn10300_dma_free, + .map_page = mn10300_dma_map_page, + .map_sg = mn10300_dma_map_sg, + .sync_single_for_device = mn10300_dma_sync_single_for_device, + .sync_sg_for_device = mn10300_dma_sync_sg_for_device, +}; |