diff options
Diffstat (limited to 'arch/m68k')
-rw-r--r-- | arch/m68k/Kconfig | 1 | ||||
-rw-r--r-- | arch/m68k/coldfire/device.c | 6 | ||||
-rw-r--r-- | arch/m68k/coldfire/intc-2.c | 2 | ||||
-rw-r--r-- | arch/m68k/coldfire/m523x.c | 2 | ||||
-rw-r--r-- | arch/m68k/include/asm/bitops.h | 46 | ||||
-rw-r--r-- | arch/m68k/include/asm/dma.h | 6 | ||||
-rw-r--r-- | arch/m68k/include/asm/mcf_pgtable.h | 59 | ||||
-rw-r--r-- | arch/m68k/include/asm/motorola_pgtable.h | 29 | ||||
-rw-r--r-- | arch/m68k/include/asm/pci.h | 2 | ||||
-rw-r--r-- | arch/m68k/include/asm/sun3_pgtable.h | 23 | ||||
-rw-r--r-- | arch/m68k/include/asm/virtconvert.h | 4 | ||||
-rw-r--r-- | arch/m68k/mm/fault.c | 4 | ||||
-rw-r--r-- | arch/m68k/mm/mcfmmu.c | 55 | ||||
-rw-r--r-- | arch/m68k/mm/motorola.c | 29 | ||||
-rw-r--r-- | arch/m68k/mm/sun3mmu.c | 20 |
15 files changed, 147 insertions, 141 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 936cce42ae9a..b06faf6c0b27 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -30,7 +30,6 @@ config M68K select OLD_SIGACTION select OLD_SIGSUSPEND3 select UACCESS_MEMCPY if !MMU - select VIRT_TO_BUS select ZONE_DMA config CPU_BIG_ENDIAN diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c index 4218750414bb..7dab46728aed 100644 --- a/arch/m68k/coldfire/device.c +++ b/arch/m68k/coldfire/device.c @@ -581,7 +581,7 @@ static struct platform_device mcf_esdhc = { }; #endif /* MCFSDHC_BASE */ -#if IS_ENABLED(CONFIG_CAN_FLEXCAN) +#ifdef MCFFLEXCAN_SIZE #include <linux/can/platform/flexcan.h> @@ -620,7 +620,7 @@ static struct platform_device mcf_flexcan0 = { .resource = mcf5441x_flexcan0_resource, .dev.platform_data = &mcf5441x_flexcan_info, }; -#endif /* IS_ENABLED(CONFIG_CAN_FLEXCAN) */ +#endif /* MCFFLEXCAN_SIZE */ static struct platform_device *mcf_devices[] __initdata = { &mcf_uart, @@ -657,7 +657,7 @@ static struct platform_device *mcf_devices[] __initdata = { #ifdef MCFSDHC_BASE &mcf_esdhc, #endif -#if IS_ENABLED(CONFIG_CAN_FLEXCAN) +#ifdef MCFFLEXCAN_SIZE &mcf_flexcan0, #endif }; diff --git a/arch/m68k/coldfire/intc-2.c b/arch/m68k/coldfire/intc-2.c index 995093357c59..f74f0e473119 100644 --- a/arch/m68k/coldfire/intc-2.c +++ b/arch/m68k/coldfire/intc-2.c @@ -7,7 +7,7 @@ * family, the 5270, 5271, 5274, 5275, and the 528x family which have two such * controllers, and the 547x and 548x families which have only one of them. * - * The external 7 fixed interrupts are part the the Edge Port unit of these + * The external 7 fixed interrupts are part of the Edge Port unit of these * ColdFire parts. They can be configured as level or edge triggered. * * (C) Copyright 2009-2011, Greg Ungerer <gerg@snapgear.com> diff --git a/arch/m68k/coldfire/m523x.c b/arch/m68k/coldfire/m523x.c index 193c178162c1..83a997313393 100644 --- a/arch/m68k/coldfire/m523x.c +++ b/arch/m68k/coldfire/m523x.c @@ -28,7 +28,7 @@ DEFINE_CLK(pll, "pll.0", MCF_CLK); DEFINE_CLK(sys, "sys.0", MCF_BUSCLK); -struct clk_lookup m523x_clk_lookup[] = { +static struct clk_lookup m523x_clk_lookup[] = { CLKDEV_INIT(NULL, "pll.0", &clk_pll), CLKDEV_INIT(NULL, "sys.0", &clk_sys), CLKDEV_INIT("mcfpit.0", NULL, &clk_pll), diff --git a/arch/m68k/include/asm/bitops.h b/arch/m68k/include/asm/bitops.h index 87c2cd66a9ce..e984af71df6b 100644 --- a/arch/m68k/include/asm/bitops.h +++ b/arch/m68k/include/asm/bitops.h @@ -65,8 +65,11 @@ static inline void bfset_mem_set_bit(int nr, volatile unsigned long *vaddr) bfset_mem_set_bit(nr, vaddr)) #endif -#define __set_bit(nr, vaddr) set_bit(nr, vaddr) - +static __always_inline void +arch___set_bit(unsigned long nr, volatile unsigned long *addr) +{ + set_bit(nr, addr); +} static inline void bclr_reg_clear_bit(int nr, volatile unsigned long *vaddr) { @@ -105,8 +108,11 @@ static inline void bfclr_mem_clear_bit(int nr, volatile unsigned long *vaddr) bfclr_mem_clear_bit(nr, vaddr)) #endif -#define __clear_bit(nr, vaddr) clear_bit(nr, vaddr) - +static __always_inline void +arch___clear_bit(unsigned long nr, volatile unsigned long *addr) +{ + clear_bit(nr, addr); +} static inline void bchg_reg_change_bit(int nr, volatile unsigned long *vaddr) { @@ -145,14 +151,14 @@ static inline void bfchg_mem_change_bit(int nr, volatile unsigned long *vaddr) bfchg_mem_change_bit(nr, vaddr)) #endif -#define __change_bit(nr, vaddr) change_bit(nr, vaddr) - - -static inline int test_bit(int nr, const volatile unsigned long *vaddr) +static __always_inline void +arch___change_bit(unsigned long nr, volatile unsigned long *addr) { - return (vaddr[nr >> 5] & (1UL << (nr & 31))) != 0; + change_bit(nr, addr); } +#define arch_test_bit generic_test_bit +#define arch_test_bit_acquire generic_test_bit_acquire static inline int bset_reg_test_and_set_bit(int nr, volatile unsigned long *vaddr) @@ -201,8 +207,11 @@ static inline int bfset_mem_test_and_set_bit(int nr, bfset_mem_test_and_set_bit(nr, vaddr)) #endif -#define __test_and_set_bit(nr, vaddr) test_and_set_bit(nr, vaddr) - +static __always_inline bool +arch___test_and_set_bit(unsigned long nr, volatile unsigned long *addr) +{ + return test_and_set_bit(nr, addr); +} static inline int bclr_reg_test_and_clear_bit(int nr, volatile unsigned long *vaddr) @@ -251,8 +260,11 @@ static inline int bfclr_mem_test_and_clear_bit(int nr, bfclr_mem_test_and_clear_bit(nr, vaddr)) #endif -#define __test_and_clear_bit(nr, vaddr) test_and_clear_bit(nr, vaddr) - +static __always_inline bool +arch___test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) +{ + return test_and_clear_bit(nr, addr); +} static inline int bchg_reg_test_and_change_bit(int nr, volatile unsigned long *vaddr) @@ -301,8 +313,11 @@ static inline int bfchg_mem_test_and_change_bit(int nr, bfchg_mem_test_and_change_bit(nr, vaddr)) #endif -#define __test_and_change_bit(nr, vaddr) test_and_change_bit(nr, vaddr) - +static __always_inline bool +arch___test_and_change_bit(unsigned long nr, volatile unsigned long *addr) +{ + return test_and_change_bit(nr, addr); +} /* * The true 68020 and more advanced processors support the "bfffo" @@ -522,6 +537,7 @@ static inline unsigned long __fls(unsigned long x) #define clear_bit_unlock clear_bit #define __clear_bit_unlock clear_bit_unlock +#include <asm-generic/bitops/non-instrumented-non-atomic.h> #include <asm-generic/bitops/ext2-atomic.h> #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/sched.h> diff --git a/arch/m68k/include/asm/dma.h b/arch/m68k/include/asm/dma.h index f6c5e0dfb4e5..1c8d9c5bc2fa 100644 --- a/arch/m68k/include/asm/dma.h +++ b/arch/m68k/include/asm/dma.h @@ -6,10 +6,4 @@ bootmem allocator (but this should do it for this) */ #define MAX_DMA_ADDRESS PAGE_OFFSET -#ifdef CONFIG_PCI -extern int isa_dma_bridge_buggy; -#else -#define isa_dma_bridge_buggy (0) -#endif - #endif /* _M68K_DMA_H */ diff --git a/arch/m68k/include/asm/mcf_pgtable.h b/arch/m68k/include/asm/mcf_pgtable.h index 94f38d76e278..b619b22823f8 100644 --- a/arch/m68k/include/asm/mcf_pgtable.h +++ b/arch/m68k/include/asm/mcf_pgtable.h @@ -86,65 +86,6 @@ | CF_PAGE_READABLE \ | CF_PAGE_DIRTY) -/* - * Page protections for initialising protection_map. See mm/mmap.c - * for use. In general, the bit positions are xwr, and P-items are - * private, the S-items are shared. - */ -#define __P000 PAGE_NONE -#define __P001 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_READABLE) -#define __P010 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_WRITABLE) -#define __P011 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_READABLE \ - | CF_PAGE_WRITABLE) -#define __P100 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_EXEC) -#define __P101 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_READABLE \ - | CF_PAGE_EXEC) -#define __P110 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_WRITABLE \ - | CF_PAGE_EXEC) -#define __P111 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_READABLE \ - | CF_PAGE_WRITABLE \ - | CF_PAGE_EXEC) - -#define __S000 PAGE_NONE -#define __S001 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_READABLE) -#define __S010 PAGE_SHARED -#define __S011 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_SHARED \ - | CF_PAGE_READABLE) -#define __S100 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_EXEC) -#define __S101 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_READABLE \ - | CF_PAGE_EXEC) -#define __S110 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_SHARED \ - | CF_PAGE_EXEC) -#define __S111 __pgprot(CF_PAGE_VALID \ - | CF_PAGE_ACCESSED \ - | CF_PAGE_SHARED \ - | CF_PAGE_READABLE \ - | CF_PAGE_EXEC) - #define PTE_MASK PAGE_MASK #define CF_PAGE_CHG_MASK (PTE_MASK | CF_PAGE_ACCESSED | CF_PAGE_DIRTY) diff --git a/arch/m68k/include/asm/motorola_pgtable.h b/arch/m68k/include/asm/motorola_pgtable.h index 7c9b56e2a750..7ac3d64c6b33 100644 --- a/arch/m68k/include/asm/motorola_pgtable.h +++ b/arch/m68k/include/asm/motorola_pgtable.h @@ -76,35 +76,6 @@ extern unsigned long mm_cachebits; #define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED | mm_cachebits) #define PAGE_KERNEL __pgprot(_PAGE_PRESENT | _PAGE_DIRTY | _PAGE_ACCESSED | mm_cachebits) -/* Alternate definitions that are compile time constants, for - initializing protection_map. The cachebits are fixed later. */ -#define PAGE_NONE_C __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) -#define PAGE_SHARED_C __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED) -#define PAGE_COPY_C __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED) -#define PAGE_READONLY_C __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED) - -/* - * The m68k can't do page protection for execute, and considers that the same are read. - * Also, write permissions imply read permissions. This is the closest we can get.. - */ -#define __P000 PAGE_NONE_C -#define __P001 PAGE_READONLY_C -#define __P010 PAGE_COPY_C -#define __P011 PAGE_COPY_C -#define __P100 PAGE_READONLY_C -#define __P101 PAGE_READONLY_C -#define __P110 PAGE_COPY_C -#define __P111 PAGE_COPY_C - -#define __S000 PAGE_NONE_C -#define __S001 PAGE_READONLY_C -#define __S010 PAGE_SHARED_C -#define __S011 PAGE_SHARED_C -#define __S100 PAGE_READONLY_C -#define __S101 PAGE_READONLY_C -#define __S110 PAGE_SHARED_C -#define __S111 PAGE_SHARED_C - #define pmd_pgtable(pmd) ((pgtable_t)pmd_page_vaddr(pmd)) /* diff --git a/arch/m68k/include/asm/pci.h b/arch/m68k/include/asm/pci.h index 5a4bc223743b..ccdfa0dc8413 100644 --- a/arch/m68k/include/asm/pci.h +++ b/arch/m68k/include/asm/pci.h @@ -2,8 +2,6 @@ #ifndef _ASM_M68K_PCI_H #define _ASM_M68K_PCI_H -#include <asm-generic/pci.h> - #define pcibios_assign_all_busses() 1 #define PCIBIOS_MIN_IO 0x00000100 diff --git a/arch/m68k/include/asm/sun3_pgtable.h b/arch/m68k/include/asm/sun3_pgtable.h index 5e4e753f0d24..90d57e537eb1 100644 --- a/arch/m68k/include/asm/sun3_pgtable.h +++ b/arch/m68k/include/asm/sun3_pgtable.h @@ -66,29 +66,6 @@ | SUN3_PAGE_SYSTEM \ | SUN3_PAGE_NOCACHE) -/* - * Page protections for initialising protection_map. The sun3 has only two - * protection settings, valid (implying read and execute) and writeable. These - * are as close as we can get... - */ -#define __P000 PAGE_NONE -#define __P001 PAGE_READONLY -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_READONLY -#define __P101 PAGE_READONLY -#define __P110 PAGE_COPY -#define __P111 PAGE_COPY - -#define __S000 PAGE_NONE -#define __S001 PAGE_READONLY -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_READONLY -#define __S101 PAGE_READONLY -#define __S110 PAGE_SHARED -#define __S111 PAGE_SHARED - /* Use these fake page-protections on PMDs. */ #define SUN3_PMD_VALID (0x00000001) #define SUN3_PMD_MASK (0x0000003F) diff --git a/arch/m68k/include/asm/virtconvert.h b/arch/m68k/include/asm/virtconvert.h index ca91b32dc6ef..0a27905b0036 100644 --- a/arch/m68k/include/asm/virtconvert.h +++ b/arch/m68k/include/asm/virtconvert.h @@ -33,9 +33,11 @@ static inline void *phys_to_virt(unsigned long address) /* * IO bus memory addresses are 1:1 with the physical address, + * deprecated globally but still used on two machines. */ +#if defined(CONFIG_AMIGA) || defined(CONFIG_VME) #define virt_to_bus virt_to_phys -#define bus_to_virt phys_to_virt +#endif #endif #endif diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c index 71aa9f6315dc..4d2837eb3e2a 100644 --- a/arch/m68k/mm/fault.c +++ b/arch/m68k/mm/fault.c @@ -141,6 +141,10 @@ good_area: if (fault_signal_pending(fault, regs)) return 0; + /* The fault is fully completed (including releasing mmap lock) */ + if (fault & VM_FAULT_COMPLETED) + return 0; + if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index 6f1f25125294..70aa0979e027 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c @@ -234,3 +234,58 @@ void steal_context(void) destroy_context(mm); } +static const pgprot_t protection_map[16] = { + [VM_NONE] = PAGE_NONE, + [VM_READ] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_READABLE), + [VM_WRITE] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_WRITABLE), + [VM_WRITE | VM_READ] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_READABLE | + CF_PAGE_WRITABLE), + [VM_EXEC] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_EXEC), + [VM_EXEC | VM_READ] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_READABLE | + CF_PAGE_EXEC), + [VM_EXEC | VM_WRITE] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_WRITABLE | + CF_PAGE_EXEC), + [VM_EXEC | VM_WRITE | VM_READ] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_READABLE | + CF_PAGE_WRITABLE | + CF_PAGE_EXEC), + [VM_SHARED] = PAGE_NONE, + [VM_SHARED | VM_READ] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_READABLE), + [VM_SHARED | VM_WRITE] = PAGE_SHARED, + [VM_SHARED | VM_WRITE | VM_READ] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_READABLE | + CF_PAGE_SHARED), + [VM_SHARED | VM_EXEC] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_EXEC), + [VM_SHARED | VM_EXEC | VM_READ] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_READABLE | + CF_PAGE_EXEC), + [VM_SHARED | VM_EXEC | VM_WRITE] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_SHARED | + CF_PAGE_EXEC), + [VM_SHARED | VM_EXEC | VM_WRITE | VM_READ] = __pgprot(CF_PAGE_VALID | + CF_PAGE_ACCESSED | + CF_PAGE_READABLE | + CF_PAGE_SHARED | + CF_PAGE_EXEC) +}; +DECLARE_VM_GET_PAGE_PROT diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index df7f797c908a..2a375637e007 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -383,6 +383,35 @@ static void __init map_node(int node) } /* + * Alternate definitions that are compile time constants, for + * initializing protection_map. The cachebits are fixed later. + */ +#define PAGE_NONE_C __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) +#define PAGE_SHARED_C __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED) +#define PAGE_COPY_C __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED) +#define PAGE_READONLY_C __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED) + +static pgprot_t protection_map[16] __ro_after_init = { + [VM_NONE] = PAGE_NONE_C, + [VM_READ] = PAGE_READONLY_C, + [VM_WRITE] = PAGE_COPY_C, + [VM_WRITE | VM_READ] = PAGE_COPY_C, + [VM_EXEC] = PAGE_READONLY_C, + [VM_EXEC | VM_READ] = PAGE_READONLY_C, + [VM_EXEC | VM_WRITE] = PAGE_COPY_C, + [VM_EXEC | VM_WRITE | VM_READ] = PAGE_COPY_C, + [VM_SHARED] = PAGE_NONE_C, + [VM_SHARED | VM_READ] = PAGE_READONLY_C, + [VM_SHARED | VM_WRITE] = PAGE_SHARED_C, + [VM_SHARED | VM_WRITE | VM_READ] = PAGE_SHARED_C, + [VM_SHARED | VM_EXEC] = PAGE_READONLY_C, + [VM_SHARED | VM_EXEC | VM_READ] = PAGE_READONLY_C, + [VM_SHARED | VM_EXEC | VM_WRITE] = PAGE_SHARED_C, + [VM_SHARED | VM_EXEC | VM_WRITE | VM_READ] = PAGE_SHARED_C +}; +DECLARE_VM_GET_PAGE_PROT + +/* * paging_init() continues the virtual memory environment setup which * was begun by the code in arch/head.S. */ diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c index dad494224497..b619d0d4319c 100644 --- a/arch/m68k/mm/sun3mmu.c +++ b/arch/m68k/mm/sun3mmu.c @@ -95,3 +95,23 @@ void __init paging_init(void) } + +static const pgprot_t protection_map[16] = { + [VM_NONE] = PAGE_NONE, + [VM_READ] = PAGE_READONLY, + [VM_WRITE] = PAGE_COPY, + [VM_WRITE | VM_READ] = PAGE_COPY, + [VM_EXEC] = PAGE_READONLY, + [VM_EXEC | VM_READ] = PAGE_READONLY, + [VM_EXEC | VM_WRITE] = PAGE_COPY, + [VM_EXEC | VM_WRITE | VM_READ] = PAGE_COPY, + [VM_SHARED] = PAGE_NONE, + [VM_SHARED | VM_READ] = PAGE_READONLY, + [VM_SHARED | VM_WRITE] = PAGE_SHARED, + [VM_SHARED | VM_WRITE | VM_READ] = PAGE_SHARED, + [VM_SHARED | VM_EXEC] = PAGE_READONLY, + [VM_SHARED | VM_EXEC | VM_READ] = PAGE_READONLY, + [VM_SHARED | VM_EXEC | VM_WRITE] = PAGE_SHARED, + [VM_SHARED | VM_EXEC | VM_WRITE | VM_READ] = PAGE_SHARED +}; +DECLARE_VM_GET_PAGE_PROT |