diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile index cf318f20c64d615674cbe990fa8661b83c197ce9..41b3bc926bb1f3972d80dccb0205b96fad0c5e5d 100644 --- a/arch/m68k/Makefile +++ b/arch/m68k/Makefile @@ -16,6 +16,13 @@ KBUILD_DEFCONFIG := multi_defconfig +ifneq ($(SUBARCH),$(ARCH)) + ifeq ($(CROSS_COMPILE),) + CROSS_COMPILE := $(call cc-cross-prefix, \ + m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-) + endif +endif + # # Enable processor type. Ordering of these is important - we want to # use the minimum processor type of the range we support. The logic @@ -62,12 +69,6 @@ endif LDFLAGS := -m m68kelf KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds -ifneq ($(SUBARCH),$(ARCH)) - ifeq ($(CROSS_COMPILE),) - CROSS_COMPILE := $(call cc-cross-prefix, \ - m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-) - endif -endif ifdef CONFIG_SUN3 LDFLAGS_vmlinux = -N diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c index 7fd8b41723ea4b4b4e4f763c1aebf8cd3ce6a44a..80076d368b7e8b4417c4612017fd4cbb824ab358 100644 --- a/arch/m68k/amiga/platform.c +++ b/arch/m68k/amiga/platform.c @@ -6,6 +6,7 @@ * for more details. */ +#include #include #include #include @@ -46,18 +47,25 @@ static const struct resource zorro_resources[] __initconst = { static int __init amiga_init_bus(void) { + struct platform_device *pdev; + unsigned int n; + if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO)) return -ENODEV; - platform_device_register_simple("amiga-zorro", -1, zorro_resources, - AMIGAHW_PRESENT(ZORRO3) ? 4 : 2); + n = AMIGAHW_PRESENT(ZORRO3) ? 4 : 2; + pdev = platform_device_register_simple("amiga-zorro", -1, + zorro_resources, n); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + return 0; } subsys_initcall(amiga_init_bus); -static int z_dev_present(zorro_id id) +static int __init z_dev_present(zorro_id id) { unsigned int i; @@ -126,72 +134,122 @@ static const struct resource amiga_rtc_resource __initconst = { static int __init amiga_init_devices(void) { struct platform_device *pdev; + int error; if (!MACH_IS_AMIGA) return -ENODEV; /* video hardware */ - if (AMIGAHW_PRESENT(AMI_VIDEO)) - platform_device_register_simple("amiga-video", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_VIDEO)) { + pdev = platform_device_register_simple("amiga-video", -1, NULL, + 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } /* sound hardware */ - if (AMIGAHW_PRESENT(AMI_AUDIO)) - platform_device_register_simple("amiga-audio", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_AUDIO)) { + pdev = platform_device_register_simple("amiga-audio", -1, NULL, + 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } /* storage interfaces */ - if (AMIGAHW_PRESENT(AMI_FLOPPY)) - platform_device_register_simple("amiga-floppy", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_FLOPPY)) { + pdev = platform_device_register_simple("amiga-floppy", -1, + NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(A3000_SCSI)) - platform_device_register_simple("amiga-a3000-scsi", -1, - &a3000_scsi_resource, 1); + if (AMIGAHW_PRESENT(A3000_SCSI)) { + pdev = platform_device_register_simple("amiga-a3000-scsi", -1, + &a3000_scsi_resource, 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(A4000_SCSI)) - platform_device_register_simple("amiga-a4000t-scsi", -1, - &a4000t_scsi_resource, 1); + if (AMIGAHW_PRESENT(A4000_SCSI)) { + pdev = platform_device_register_simple("amiga-a4000t-scsi", -1, + &a4000t_scsi_resource, + 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } if (AMIGAHW_PRESENT(A1200_IDE) || z_dev_present(ZORRO_PROD_MTEC_VIPER_MK_V_E_MATRIX_530_SCSI_IDE)) { pdev = platform_device_register_simple("amiga-gayle-ide", -1, &a1200_ide_resource, 1); - platform_device_add_data(pdev, &a1200_ide_pdata, - sizeof(a1200_ide_pdata)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + error = platform_device_add_data(pdev, &a1200_ide_pdata, + sizeof(a1200_ide_pdata)); + if (error) + return error; } if (AMIGAHW_PRESENT(A4000_IDE)) { pdev = platform_device_register_simple("amiga-gayle-ide", -1, &a4000_ide_resource, 1); - platform_device_add_data(pdev, &a4000_ide_pdata, - sizeof(a4000_ide_pdata)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + error = platform_device_add_data(pdev, &a4000_ide_pdata, + sizeof(a4000_ide_pdata)); + if (error) + return error; } /* other I/O hardware */ - if (AMIGAHW_PRESENT(AMI_KEYBOARD)) - platform_device_register_simple("amiga-keyboard", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_KEYBOARD)) { + pdev = platform_device_register_simple("amiga-keyboard", -1, + NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(AMI_MOUSE)) - platform_device_register_simple("amiga-mouse", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_MOUSE)) { + pdev = platform_device_register_simple("amiga-mouse", -1, NULL, + 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(AMI_SERIAL)) - platform_device_register_simple("amiga-serial", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_SERIAL)) { + pdev = platform_device_register_simple("amiga-serial", -1, + NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(AMI_PARALLEL)) - platform_device_register_simple("amiga-parallel", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_PARALLEL)) { + pdev = platform_device_register_simple("amiga-parallel", -1, + NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } /* real time clocks */ - if (AMIGAHW_PRESENT(A2000_CLK)) - platform_device_register_simple("rtc-msm6242", -1, - &amiga_rtc_resource, 1); + if (AMIGAHW_PRESENT(A2000_CLK)) { + pdev = platform_device_register_simple("rtc-msm6242", -1, + &amiga_rtc_resource, 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(A3000_CLK)) - platform_device_register_simple("rtc-rp5c01", -1, - &amiga_rtc_resource, 1); + if (AMIGAHW_PRESENT(A3000_CLK)) { + pdev = platform_device_register_simple("rtc-rp5c01", -1, + &amiga_rtc_resource, 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } return 0; } -device_initcall(amiga_init_devices); +arch_initcall(amiga_init_devices); diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c index 783d8f02360ddfe0e3a01dfce968fc7050e7070b..3f41092d1b70569e572a4b1f43a7adbf2f5aff39 100644 --- a/arch/m68k/atari/ataints.c +++ b/arch/m68k/atari/ataints.c @@ -206,7 +206,7 @@ void __init atari_init_IRQ(void) * hardware with a programmable int vector (probably a VME board). */ -unsigned long atari_register_vme_int(void) +unsigned int atari_register_vme_int(void) { int i; @@ -223,7 +223,7 @@ unsigned long atari_register_vme_int(void) EXPORT_SYMBOL(atari_register_vme_int); -void atari_unregister_vme_int(unsigned long irq) +void atari_unregister_vme_int(unsigned int irq) { if (irq >= VME_SOURCE_BASE && irq < VME_SOURCE_BASE + VME_MAX_SOURCES) { irq -= VME_SOURCE_BASE; diff --git a/arch/m68k/include/asm/atariints.h b/arch/m68k/include/asm/atariints.h index 656bbbf5a6ff7e2940b0c573473c5b7b2885c355..5fc13bdf9044274d01b51b9c460135373b53dbc2 100644 --- a/arch/m68k/include/asm/atariints.h +++ b/arch/m68k/include/asm/atariints.h @@ -198,7 +198,7 @@ static inline int atari_irq_pending( unsigned irq ) return( get_mfp_bit( irq, MFP_PENDING ) ); } -unsigned long atari_register_vme_int( void ); -void atari_unregister_vme_int( unsigned long ); +unsigned int atari_register_vme_int(void); +void atari_unregister_vme_int(unsigned int); #endif /* linux/atariints.h */ diff --git a/arch/m68k/include/asm/entry.h b/arch/m68k/include/asm/entry.h index 622138dc7288fcac734a3fa434af4780a1fa1184..d7de0f1a8957b2d5669f475cd073ea12cbffd3ba 100644 --- a/arch/m68k/include/asm/entry.h +++ b/arch/m68k/include/asm/entry.h @@ -33,13 +33,11 @@ /* the following macro is used when enabling interrupts */ #if defined(MACH_ATARI_ONLY) - /* block out HSYNC on the atari */ -#define ALLOWINT (~0x400) -#define MAX_NOINT_IPL 3 + /* block out HSYNC = ipl 2 on the atari */ +#define ALLOWINT (~0x500) #else /* portable version */ #define ALLOWINT (~0x700) -#define MAX_NOINT_IPL 0 #endif /* machine compilation types */ #ifdef __ASSEMBLY__ diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index 0fb3468000e719e0e7e5f58e97ae229a2e7a6378..fa4324bcf566dfcb37b6705469e5247c9248e933 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -278,6 +278,13 @@ static inline void isa_delay(void) #define readl(addr) in_le32(addr) #define writel(val,addr) out_le32((addr),(val)) +#define readsb(port, buf, nr) raw_insb((port), (u8 *)(buf), (nr)) +#define readsw(port, buf, nr) raw_insw((port), (u16 *)(buf), (nr)) +#define readsl(port, buf, nr) raw_insl((port), (u32 *)(buf), (nr)) +#define writesb(port, buf, nr) raw_outsb((port), (u8 *)(buf), (nr)) +#define writesw(port, buf, nr) raw_outsw((port), (u16 *)(buf), (nr)) +#define writesl(port, buf, nr) raw_outsl((port), (u32 *)(buf), (nr)) + #define mmiowb() static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size) diff --git a/arch/m68k/include/asm/vga.h b/arch/m68k/include/asm/vga.h new file mode 100644 index 0000000000000000000000000000000000000000..d3aa1401e7aadef7aedd58dcd241bcf62c8e1608 --- /dev/null +++ b/arch/m68k/include/asm/vga.h @@ -0,0 +1,27 @@ +#ifndef _ASM_M68K_VGA_H +#define _ASM_M68K_VGA_H + +#include + +/* + * FIXME + * Ugh, we don't have PCI space, so map readb() and friends to use raw I/O + * accessors, which are identical to the z_*() Zorro bus accessors. + * This should make cirrusfb work again on Amiga + */ +#undef inb_p +#undef inw_p +#undef outb_p +#undef outw +#undef readb +#undef writeb +#undef writew +#define inb_p(port) 0 +#define inw_p(port) 0 +#define outb_p(port, val) do { } while (0) +#define outw(port, val) do { } while (0) +#define readb raw_inb +#define writeb raw_outb +#define writew raw_outw + +#endif /* _ASM_M68K_VGA_H */ diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c index 6b020a8461e746f6ef461b748ff865aa0f4b5ce0..aeebbb7b30f0b6ca7348740a6a374ef475066a82 100644 --- a/arch/m68k/mm/fault.c +++ b/arch/m68k/mm/fault.c @@ -72,7 +72,8 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, { struct mm_struct *mm = current->mm; struct vm_area_struct * vma; - int write, fault; + int fault; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; #ifdef DEBUG printk ("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n", @@ -87,6 +88,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, if (in_atomic() || !mm) goto no_context; +retry: down_read(&mm->mmap_sem); vma = find_vma(mm, address); @@ -117,14 +119,13 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, #ifdef DEBUG printk("do_page_fault: good_area\n"); #endif - write = 0; switch (error_code & 3) { default: /* 3: write, present */ /* fall through */ case 2: /* write, not present */ if (!(vma->vm_flags & VM_WRITE)) goto acc_err; - write++; + flags |= FAULT_FLAG_WRITE; break; case 1: /* read, present */ goto acc_err; @@ -139,10 +140,14 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, * the fault. */ - fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, address, flags); #ifdef DEBUG printk("handle_mm_fault returns %d\n",fault); #endif + + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + return 0; + if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -150,10 +155,31 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, goto bus_err; BUG(); } - if (fault & VM_FAULT_MAJOR) - current->maj_flt++; - else - current->min_flt++; + + /* + * Major/minor page fault accounting is only done on the + * initial attempt. If we go through a retry, it is extremely + * likely that the page will be found in page cache at that point. + */ + if (flags & FAULT_FLAG_ALLOW_RETRY) { + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; + if (fault & VM_FAULT_RETRY) { + /* Clear FAULT_FLAG_ALLOW_RETRY to avoid any risk + * of starvation. */ + flags &= ~FAULT_FLAG_ALLOW_RETRY; + + /* + * No need to up_read(&mm->mmap_sem) as we would + * have already released it in __lock_page_or_retry + * in mm/filemap.c. + */ + + goto retry; + } + } up_read(&mm->mmap_sem); return 0; diff --git a/drivers/net/ethernet/amd/ariadne.c b/drivers/net/ethernet/amd/ariadne.c index f4c228e4d76c89351001cffb9817af870a675da0..f2958df9a1e41f6e460a6bb51f786897bf01c7a9 100644 --- a/drivers/net/ethernet/amd/ariadne.c +++ b/drivers/net/ethernet/amd/ariadne.c @@ -213,10 +213,10 @@ static int ariadne_rx(struct net_device *dev) (const void *)priv->rx_buff[entry], pkt_len); skb->protocol = eth_type_trans(skb, dev); - netdev_dbg(dev, "RX pkt type 0x%04x from %pM to %pM data 0x%08x len %d\n", + netdev_dbg(dev, "RX pkt type 0x%04x from %pM to %pM data %p len %u\n", ((u_short *)skb->data)[6], skb->data + 6, skb->data, - (int)skb->data, (int)skb->len); + skb->data, skb->len); netif_rx(skb); dev->stats.rx_packets++; @@ -566,10 +566,10 @@ static netdev_tx_t ariadne_start_xmit(struct sk_buff *skb, /* Fill in a Tx ring entry */ - netdev_dbg(dev, "TX pkt type 0x%04x from %pM to %pM data 0x%08x len %d\n", + netdev_dbg(dev, "TX pkt type 0x%04x from %pM to %pM data %p len %u\n", ((u_short *)skb->data)[6], skb->data + 6, skb->data, - (int)skb->data, (int)skb->len); + skb->data, skb->len); local_irq_save(flags); diff --git a/drivers/net/ethernet/amd/atarilance.c b/drivers/net/ethernet/amd/atarilance.c index 70ed79c46245a4b3bdbe71b3eddf2258cf23e929..84219df72f5122bf9bcd3d4ce103bca6d197fbe4 100644 --- a/drivers/net/ethernet/amd/atarilance.c +++ b/drivers/net/ethernet/amd/atarilance.c @@ -558,21 +558,18 @@ static unsigned long __init lance_probe1( struct net_device *dev, printk( "Lance: request for irq %d failed\n", IRQ_AUTO_5 ); return 0; } - dev->irq = (unsigned short)IRQ_AUTO_5; + dev->irq = IRQ_AUTO_5; } else { - /* For VME-RieblCards, request a free VME int; - * (This must be unsigned long, since dev->irq is short and the - * IRQ_MACHSPEC bit would be cut off...) - */ - unsigned long irq = atari_register_vme_int(); + /* For VME-RieblCards, request a free VME int */ + unsigned int irq = atari_register_vme_int(); if (!irq) { printk( "Lance: request for VME interrupt failed\n" ); return 0; } if (request_irq(irq, lance_interrupt, IRQ_TYPE_PRIO, "Riebl-VME Ethernet", dev)) { - printk( "Lance: request for irq %ld failed\n", irq ); + printk( "Lance: request for irq %u failed\n", irq ); return 0; } dev->irq = irq; diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index 04a154f87e3e5396930a9c49e64aae5c234e4e1d..df740cbbaef458d9c14ecdd3b9a0ad7de924d945 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -572,7 +572,7 @@ static void falcon_get_lock(void) } -int __init atari_scsi_detect(struct scsi_host_template *host) +static int __init atari_scsi_detect(struct scsi_host_template *host) { static int called = 0; struct Scsi_Host *instance; @@ -724,7 +724,7 @@ int __init atari_scsi_detect(struct scsi_host_template *host) return 1; } -int atari_scsi_release(struct Scsi_Host *sh) +static int atari_scsi_release(struct Scsi_Host *sh) { if (IS_A_TT()) free_irq(IRQ_TT_MFP_SCSI, sh); @@ -734,17 +734,21 @@ int atari_scsi_release(struct Scsi_Host *sh) return 1; } -void __init atari_scsi_setup(char *str, int *ints) +#ifndef MODULE +static int __init atari_scsi_setup(char *str) { /* Format of atascsi parameter is: * atascsi=,,,, * Defaults depend on TT or Falcon, hostid determined at run time. * Negative values mean don't change. */ + int ints[6]; + + get_options(str, ARRAY_SIZE(ints), ints); if (ints[0] < 1) { printk("atari_scsi_setup: no arguments!\n"); - return; + return 0; } if (ints[0] >= 1) { @@ -777,9 +781,14 @@ void __init atari_scsi_setup(char *str, int *ints) setup_use_tagged_queuing = !!ints[5]; } #endif + + return 1; } -int atari_scsi_bus_reset(Scsi_Cmnd *cmd) +__setup("atascsi=", atari_scsi_setup); +#endif /* !MODULE */ + +static int atari_scsi_bus_reset(Scsi_Cmnd *cmd) { int rv; struct NCR5380_hostdata *hostdata = @@ -852,7 +861,7 @@ static void __init atari_scsi_reset_boot(void) #endif -const char *atari_scsi_info(struct Scsi_Host *host) +static const char *atari_scsi_info(struct Scsi_Host *host) { /* atari_scsi_detect() is verbose enough... */ static const char string[] = "Atari native SCSI"; @@ -862,8 +871,9 @@ const char *atari_scsi_info(struct Scsi_Host *host) #if defined(REAL_DMA) -unsigned long atari_scsi_dma_setup(struct Scsi_Host *instance, void *data, - unsigned long count, int dir) +static unsigned long atari_scsi_dma_setup(struct Scsi_Host *instance, + void *data, unsigned long count, + int dir) { unsigned long addr = virt_to_phys(data); diff --git a/drivers/scsi/atari_scsi.h b/drivers/scsi/atari_scsi.h index efadb8d567c255a443f030c940a2b322d7d2ced2..bd52df78b2098be970aa5eac4467c921d2454eb2 100644 --- a/drivers/scsi/atari_scsi.h +++ b/drivers/scsi/atari_scsi.h @@ -18,11 +18,6 @@ /* (I_HAVE_OVERRUNS stuff removed) */ #ifndef ASM -int atari_scsi_detect (struct scsi_host_template *); -const char *atari_scsi_info (struct Scsi_Host *); -int atari_scsi_reset (Scsi_Cmnd *, unsigned int); -int atari_scsi_release (struct Scsi_Host *); - /* The values for CMD_PER_LUN and CAN_QUEUE are somehow arbitrary. Higher * values should work, too; try it! (but cmd_per_lun costs memory!) */ diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h index 1d5eda26fbd13baf97fcb98bac8c5d9b74acc097..f7c1c8e2dc3fb714c6b7710ea452b0e705e074ec 100644 --- a/drivers/usb/musb/musb_io.h +++ b/drivers/usb/musb/musb_io.h @@ -40,7 +40,7 @@ #if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \ && !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \ && !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN) \ - && !defined(CONFIG_MIPS) + && !defined(CONFIG_MIPS) && !defined(CONFIG_M68K) static inline void readsl(const void __iomem *addr, void *buf, int len) { insl((unsigned long)addr, buf, len); } static inline void readsw(const void __iomem *addr, void *buf, int len) diff --git a/include/video/vga.h b/include/video/vga.h index 2b8691f7d25609545a5169274365f40908b38144..cac567f22e6232265b96ca361a505cbe46b2dfb1 100644 --- a/include/video/vga.h +++ b/include/video/vga.h @@ -19,29 +19,7 @@ #include #include -#ifndef CONFIG_AMIGA #include -#else -/* - * FIXME - * Ugh, we don't have PCI space, so map readb() and friends to use Zorro space - * for MMIO accesses. This should make cirrusfb work again on Amiga - */ -#undef inb_p -#undef inw_p -#undef outb_p -#undef outw -#undef readb -#undef writeb -#undef writew -#define inb_p(port) 0 -#define inw_p(port) 0 -#define outb_p(port, val) do { } while (0) -#define outw(port, val) do { } while (0) -#define readb z_readb -#define writeb z_writeb -#define writew z_writew -#endif #include