diff --git a/arch/arm/configs/csb337_defconfig b/arch/arm/configs/csb337_defconfig index 3594155a8137..cf3fa5cb26e4 100644 --- a/arch/arm/configs/csb337_defconfig +++ b/arch/arm/configs/csb337_defconfig @@ -621,9 +621,8 @@ CONFIG_AT91_WATCHDOG=y # USB-based Watchdog Cards # # CONFIG_USBPCWATCHDOG is not set +# CONFIG_HW_RANDOM is not set # CONFIG_NVRAM is not set -CONFIG_RTC=y -# CONFIG_AT91_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set @@ -956,9 +955,41 @@ CONFIG_USB_AT91=y CONFIG_MMC=y # CONFIG_MMC_DEBUG is not set CONFIG_MMC_BLOCK=y -# CONFIG_MMC_WBSD is not set CONFIG_MMC_AT91RM9200=y +# +# Real Time Clock +# +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc1" + +# +# RTC interfaces +# +# CONFIG_RTC_INTF_SYSFS is not set +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set + +# +# RTC drivers +# +# CONFIG_RTC_DRV_X1205 is not set +CONFIG_RTC_DRV_DS1307=y +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_M48T86 is not set +CONFIG_RTC_DRV_AT91=y +# CONFIG_RTC_DRV_TEST is not set +# CONFIG_RTC_DRV_V3020 is not set + # # File systems # diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c index 25855452fe8c..cc92a7b2db88 100644 --- a/arch/arm/mach-s3c2410/dma.c +++ b/arch/arm/mach-s3c2410/dma.c @@ -60,7 +60,7 @@ static void __iomem *dma_base; static kmem_cache_t *dma_kmem; /* dma channel state information */ -s3c2410_dma_chan_t s3c2410_chans[S3C2410_DMA_CHANNELS]; +struct s3c2410_dma_chan s3c2410_chans[S3C2410_DMA_CHANNELS]; /* debugging functions */ @@ -74,7 +74,7 @@ s3c2410_dma_chan_t s3c2410_chans[S3C2410_DMA_CHANNELS]; #define dma_wrreg(chan, reg, val) writel((val), (chan)->regs + (reg)) #else static inline void -dma_wrreg(s3c2410_dma_chan_t *chan, int reg, unsigned long val) +dma_wrreg(struct s3c2410_dma_chan *chan, int reg, unsigned long val) { pr_debug("writing %08x to register %08x\n",(unsigned int)val,reg); writel(val, dma_regaddr(chan, reg)); @@ -102,7 +102,7 @@ struct s3c2410_dma_regstate { */ static void -dmadbg_capture(s3c2410_dma_chan_t *chan, struct s3c2410_dma_regstate *regs) +dmadbg_capture(struct s3c2410_dma_chan *chan, struct s3c2410_dma_regstate *regs) { regs->dcsrc = dma_rdreg(chan, S3C2410_DMA_DCSRC); regs->disrc = dma_rdreg(chan, S3C2410_DMA_DISRC); @@ -112,7 +112,7 @@ dmadbg_capture(s3c2410_dma_chan_t *chan, struct s3c2410_dma_regstate *regs) } static void -dmadbg_dumpregs(const char *fname, int line, s3c2410_dma_chan_t *chan, +dmadbg_dumpregs(const char *fname, int line, struct s3c2410_dma_chan *chan, struct s3c2410_dma_regstate *regs) { printk(KERN_DEBUG "dma%d: %s:%d: DCSRC=%08lx, DISRC=%08lx, DSTAT=%08lx DMT=%02lx, DCON=%08lx\n", @@ -122,7 +122,7 @@ dmadbg_dumpregs(const char *fname, int line, s3c2410_dma_chan_t *chan, } static void -dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan) +dmadbg_showchan(const char *fname, int line, struct s3c2410_dma_chan *chan) { struct s3c2410_dma_regstate state; @@ -136,7 +136,7 @@ dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan) } static void -dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan) +dmadbg_showregs(const char *fname, int line, struct s3c2410_dma_chan *chan) { struct s3c2410_dma_regstate state; @@ -164,7 +164,7 @@ dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan) */ static void -s3c2410_dma_stats_timeout(s3c2410_dma_stats_t *stats, int val) +s3c2410_dma_stats_timeout(struct s3c2410_dma_stats *stats, int val) { if (stats == NULL) return; @@ -183,7 +183,7 @@ s3c2410_dma_stats_timeout(s3c2410_dma_stats_t *stats, int val) */ static int -s3c2410_dma_waitforload(s3c2410_dma_chan_t *chan, int line) +s3c2410_dma_waitforload(struct s3c2410_dma_chan *chan, int line) { int timeout = chan->load_timeout; int took; @@ -230,8 +230,8 @@ s3c2410_dma_waitforload(s3c2410_dma_chan_t *chan, int line) */ static inline int -s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan, - s3c2410_dma_buf_t *buf) +s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan, + struct s3c2410_dma_buf *buf) { unsigned long reload; @@ -304,7 +304,7 @@ s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan, */ static void -s3c2410_dma_call_op(s3c2410_dma_chan_t *chan, s3c2410_chan_op_t op) +s3c2410_dma_call_op(struct s3c2410_dma_chan *chan, enum s3c2410_chan_op op) { if (chan->op_fn != NULL) { (chan->op_fn)(chan, op); @@ -318,8 +318,8 @@ s3c2410_dma_call_op(s3c2410_dma_chan_t *chan, s3c2410_chan_op_t op) */ static inline void -s3c2410_dma_buffdone(s3c2410_dma_chan_t *chan, s3c2410_dma_buf_t *buf, - s3c2410_dma_buffresult_t result) +s3c2410_dma_buffdone(struct s3c2410_dma_chan *chan, struct s3c2410_dma_buf *buf, + enum s3c2410_dma_buffresult result) { pr_debug("callback_fn=%p, buf=%p, id=%p, size=%d, result=%d\n", chan->callback_fn, buf, buf->id, buf->size, result); @@ -334,7 +334,7 @@ s3c2410_dma_buffdone(s3c2410_dma_chan_t *chan, s3c2410_dma_buf_t *buf, * start a dma channel going */ -static int s3c2410_dma_start(s3c2410_dma_chan_t *chan) +static int s3c2410_dma_start(struct s3c2410_dma_chan *chan) { unsigned long tmp; unsigned long flags; @@ -430,7 +430,7 @@ static int s3c2410_dma_start(s3c2410_dma_chan_t *chan) */ static int -s3c2410_dma_canload(s3c2410_dma_chan_t *chan) +s3c2410_dma_canload(struct s3c2410_dma_chan *chan) { if (chan->load_state == S3C2410_DMALOAD_NONE || chan->load_state == S3C2410_DMALOAD_1RUNNING) @@ -460,8 +460,8 @@ s3c2410_dma_canload(s3c2410_dma_chan_t *chan) int s3c2410_dma_enqueue(unsigned int channel, void *id, dma_addr_t data, int size) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; - s3c2410_dma_buf_t *buf; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_buf *buf; unsigned long flags; check_channel(channel); @@ -540,7 +540,7 @@ int s3c2410_dma_enqueue(unsigned int channel, void *id, EXPORT_SYMBOL(s3c2410_dma_enqueue); static inline void -s3c2410_dma_freebuf(s3c2410_dma_buf_t *buf) +s3c2410_dma_freebuf(struct s3c2410_dma_buf *buf) { int magicok = (buf->magic == BUF_MAGIC); @@ -560,7 +560,7 @@ s3c2410_dma_freebuf(s3c2410_dma_buf_t *buf) */ static inline void -s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan) +s3c2410_dma_lastxfer(struct s3c2410_dma_chan *chan) { pr_debug("dma%d: s3c2410_dma_lastxfer: load_state %d\n", chan->number, chan->load_state); @@ -601,8 +601,8 @@ s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan) static irqreturn_t s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs) { - s3c2410_dma_chan_t *chan = (s3c2410_dma_chan_t *)devpw; - s3c2410_dma_buf_t *buf; + struct s3c2410_dma_chan *chan = (struct s3c2410_dma_chan *)devpw; + struct s3c2410_dma_buf *buf; buf = chan->curr; @@ -731,10 +731,10 @@ s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs) * get control of an dma channel */ -int s3c2410_dma_request(unsigned int channel, s3c2410_dma_client_t *client, +int s3c2410_dma_request(unsigned int channel, struct s3c2410_dma_client *client, void *dev) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; unsigned long flags; int err; @@ -807,9 +807,9 @@ EXPORT_SYMBOL(s3c2410_dma_request); * allowed to go through. */ -int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client) +int s3c2410_dma_free(dmach_t channel, struct s3c2410_dma_client *client) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; unsigned long flags; check_channel(channel); @@ -846,7 +846,7 @@ int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client) EXPORT_SYMBOL(s3c2410_dma_free); -static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan) +static int s3c2410_dma_dostop(struct s3c2410_dma_chan *chan) { unsigned long tmp; unsigned long flags; @@ -880,7 +880,7 @@ static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan) return 0; } -void s3c2410_dma_waitforstop(s3c2410_dma_chan_t *chan) +void s3c2410_dma_waitforstop(struct s3c2410_dma_chan *chan) { unsigned long tmp; unsigned int timeout = 0x10000; @@ -901,9 +901,9 @@ void s3c2410_dma_waitforstop(s3c2410_dma_chan_t *chan) * stop the channel, and remove all current and pending transfers */ -static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan) +static int s3c2410_dma_flush(struct s3c2410_dma_chan *chan) { - s3c2410_dma_buf_t *buf, *next; + struct s3c2410_dma_buf *buf, *next; unsigned long flags; pr_debug("%s: chan %p (%d)\n", __FUNCTION__, chan, chan->number); @@ -958,7 +958,7 @@ static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan) } int -s3c2410_dma_started(s3c2410_dma_chan_t *chan) +s3c2410_dma_started(struct s3c2410_dma_chan *chan) { unsigned long flags; @@ -995,9 +995,9 @@ s3c2410_dma_started(s3c2410_dma_chan_t *chan) } int -s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op) +s3c2410_dma_ctrl(dmach_t channel, enum s3c2410_chan_op op) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; check_channel(channel); @@ -1046,7 +1046,7 @@ int s3c2410_dma_config(dmach_t channel, int xferunit, int dcon) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; pr_debug("%s: chan=%d, xfer_unit=%d, dcon=%08x\n", __FUNCTION__, channel, xferunit, dcon); @@ -1086,7 +1086,7 @@ EXPORT_SYMBOL(s3c2410_dma_config); int s3c2410_dma_setflags(dmach_t channel, unsigned int flags) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; check_channel(channel); @@ -1106,7 +1106,7 @@ EXPORT_SYMBOL(s3c2410_dma_setflags); int s3c2410_dma_set_opfn(dmach_t channel, s3c2410_dma_opfn_t rtn) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; check_channel(channel); @@ -1121,7 +1121,7 @@ EXPORT_SYMBOL(s3c2410_dma_set_opfn); int s3c2410_dma_set_buffdone_fn(dmach_t channel, s3c2410_dma_cbfn_t rtn) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; check_channel(channel); @@ -1149,11 +1149,11 @@ EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn); */ int s3c2410_dma_devconfig(int channel, - s3c2410_dmasrc_t source, + enum s3c2410_dmasrc source, int hwcfg, unsigned long devaddr) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; check_channel(channel); @@ -1200,7 +1200,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig); int s3c2410_dma_getposition(dmach_t channel, dma_addr_t *src, dma_addr_t *dst) { - s3c2410_dma_chan_t *chan = &s3c2410_chans[channel]; + struct s3c2410_dma_chan *chan = &s3c2410_chans[channel]; check_channel(channel); @@ -1222,7 +1222,7 @@ EXPORT_SYMBOL(s3c2410_dma_getposition); static int s3c2410_dma_suspend(struct sys_device *dev, pm_message_t state) { - s3c2410_dma_chan_t *cp = container_of(dev, s3c2410_dma_chan_t, dev); + struct s3c2410_dma_chan *cp = container_of(dev, struct s3c2410_dma_chan, dev); printk(KERN_DEBUG "suspending dma channel %d\n", cp->number); @@ -1262,7 +1262,7 @@ static struct sysdev_class dma_sysclass = { static void s3c2410_dma_cache_ctor(void *p, kmem_cache_t *c, unsigned long f) { - memset(p, 0, sizeof(s3c2410_dma_buf_t)); + memset(p, 0, sizeof(struct s3c2410_dma_buf)); } @@ -1270,7 +1270,7 @@ static void s3c2410_dma_cache_ctor(void *p, kmem_cache_t *c, unsigned long f) static int __init s3c2410_init_dma(void) { - s3c2410_dma_chan_t *cp; + struct s3c2410_dma_chan *cp; int channel; int ret; @@ -1288,7 +1288,7 @@ static int __init s3c2410_init_dma(void) goto err; } - dma_kmem = kmem_cache_create("dma_desc", sizeof(s3c2410_dma_buf_t), 0, + dma_kmem = kmem_cache_create("dma_desc", sizeof(struct s3c2410_dma_buf), 0, SLAB_HWCACHE_ALIGN, s3c2410_dma_cache_ctor, NULL); @@ -1301,7 +1301,7 @@ static int __init s3c2410_init_dma(void) for (channel = 0; channel < S3C2410_DMA_CHANNELS; channel++) { cp = &s3c2410_chans[channel]; - memset(cp, 0, sizeof(s3c2410_dma_chan_t)); + memset(cp, 0, sizeof(struct s3c2410_dma_chan)); /* dma channel irqs are in order.. */ cp->number = channel; diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index b103e56806bd..d438ce41cdd5 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -87,6 +87,32 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsig if (cache_is_vipt_aliasing()) flush_pfn_alias(pfn, user_addr); } + +void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, + unsigned long uaddr, void *kaddr, + unsigned long len, int write) +{ + if (cache_is_vivt()) { + if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) { + unsigned long addr = (unsigned long)kaddr; + __cpuc_coherent_kern_range(addr, addr + len); + } + return; + } + + if (cache_is_vipt_aliasing()) { + flush_pfn_alias(page_to_pfn(page), uaddr); + return; + } + + /* VIPT non-aliasing cache */ + if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask) && + vma->vm_flags | VM_EXEC) { + unsigned long addr = (unsigned long)kaddr; + /* only flushing the kernel mapping on non-aliasing VIPT */ + __cpuc_coherent_kern_range(addr, addr + len); + } +} #else #define flush_pfn_alias(pfn,vaddr) do { } while (0) #endif diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h index 5fbdf81a8aaf..96fdf30f6a3b 100644 --- a/arch/arm/vfp/vfp.h +++ b/arch/arm/vfp/vfp.h @@ -156,7 +156,7 @@ struct vfp_single { }; extern s32 vfp_get_float(unsigned int reg); -extern void vfp_put_float(unsigned int reg, s32 val); +extern void vfp_put_float(s32 val, unsigned int reg); /* * VFP_SINGLE_MANTISSA_BITS - number of bits in the mantissa @@ -267,7 +267,7 @@ struct vfp_double { */ #define VFP_REG_ZERO 16 extern u64 vfp_get_double(unsigned int reg); -extern void vfp_put_double(unsigned int reg, u64 val); +extern void vfp_put_double(u64 val, unsigned int reg); #define VFP_DOUBLE_MANTISSA_BITS (52) #define VFP_DOUBLE_EXPONENT_BITS (11) @@ -341,12 +341,6 @@ static inline int vfp_double_type(struct vfp_double *s) u32 vfp_double_normaliseround(int dd, struct vfp_double *vd, u32 fpscr, u32 exceptions, const char *func); -/* - * System registers - */ -extern u32 vfp_get_sys(unsigned int reg); -extern void vfp_put_sys(unsigned int reg, u32 val); - u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand); /* diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c index 04bd3425b29b..add48e36c2dc 100644 --- a/arch/arm/vfp/vfpdouble.c +++ b/arch/arm/vfp/vfpdouble.c @@ -195,7 +195,7 @@ u32 vfp_double_normaliseround(int dd, struct vfp_double *vd, u32 fpscr, u32 exce s64 d = vfp_double_pack(vd); pr_debug("VFP: %s: d(d%d)=%016llx exceptions=%08x\n", func, dd, d, exceptions); - vfp_put_double(dd, d); + vfp_put_double(d, dd); } return exceptions; } @@ -250,19 +250,19 @@ vfp_propagate_nan(struct vfp_double *vdd, struct vfp_double *vdn, */ static u32 vfp_double_fabs(int dd, int unused, int dm, u32 fpscr) { - vfp_put_double(dd, vfp_double_packed_abs(vfp_get_double(dm))); + vfp_put_double(vfp_double_packed_abs(vfp_get_double(dm)), dd); return 0; } static u32 vfp_double_fcpy(int dd, int unused, int dm, u32 fpscr) { - vfp_put_double(dd, vfp_get_double(dm)); + vfp_put_double(vfp_get_double(dm), dd); return 0; } static u32 vfp_double_fneg(int dd, int unused, int dm, u32 fpscr) { - vfp_put_double(dd, vfp_double_packed_negate(vfp_get_double(dm))); + vfp_put_double(vfp_double_packed_negate(vfp_get_double(dm)), dd); return 0; } @@ -287,7 +287,7 @@ static u32 vfp_double_fsqrt(int dd, int unused, int dm, u32 fpscr) vdp = &vfp_double_default_qnan; ret = FPSCR_IOC; } - vfp_put_double(dd, vfp_double_pack(vdp)); + vfp_put_double(vfp_double_pack(vdp), dd); return ret; } @@ -476,7 +476,7 @@ static u32 vfp_double_fcvts(int sd, int unused, int dm, u32 fpscr) return vfp_single_normaliseround(sd, &vsd, fpscr, exceptions, "fcvts"); pack_nan: - vfp_put_float(sd, vfp_single_pack(&vsd)); + vfp_put_float(vfp_single_pack(&vsd), sd); return exceptions; } @@ -573,7 +573,7 @@ static u32 vfp_double_ftoui(int sd, int unused, int dm, u32 fpscr) pr_debug("VFP: ftoui: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions); - vfp_put_float(sd, d); + vfp_put_float(d, sd); return exceptions; } @@ -648,7 +648,7 @@ static u32 vfp_double_ftosi(int sd, int unused, int dm, u32 fpscr) pr_debug("VFP: ftosi: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions); - vfp_put_float(sd, (s32)d); + vfp_put_float((s32)d, sd); return exceptions; } @@ -1084,7 +1084,7 @@ static u32 vfp_double_fdiv(int dd, int dn, int dm, u32 fpscr) vdn_nan: exceptions = vfp_propagate_nan(&vdd, &vdn, &vdm, fpscr); pack: - vfp_put_double(dd, vfp_double_pack(&vdd)); + vfp_put_double(vfp_double_pack(&vdd), dd); return exceptions; vdm_nan: @@ -1104,7 +1104,7 @@ static u32 vfp_double_fdiv(int dd, int dn, int dm, u32 fpscr) goto pack; invalid: - vfp_put_double(dd, vfp_double_pack(&vfp_double_default_qnan)); + vfp_put_double(vfp_double_pack(&vfp_double_default_qnan), dd); return FPSCR_IOC; } diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index eb683cd77163..e51e6679c402 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -178,12 +178,12 @@ vfp_get_float: .globl vfp_put_float vfp_put_float: - add pc, pc, r0, lsl #3 + add pc, pc, r1, lsl #3 mov r0, r0 .irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 - mcr p10, 0, r1, c\dr, c0, 0 @ fmsr r0, s0 + mcr p10, 0, r0, c\dr, c0, 0 @ fmsr r0, s0 mov pc, lr - mcr p10, 0, r1, c\dr, c0, 4 @ fmsr r0, s1 + mcr p10, 0, r0, c\dr, c0, 4 @ fmsr r0, s1 mov pc, lr .endr @@ -203,9 +203,9 @@ vfp_get_double: .globl vfp_put_double vfp_put_double: - add pc, pc, r0, lsl #3 + add pc, pc, r2, lsl #3 mov r0, r0 .irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 - fmdrr d\dr, r1, r2 + fmdrr d\dr, r0, r1 mov pc, lr .endr diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c index 78d7cac5f36b..8f6c179cafbe 100644 --- a/arch/arm/vfp/vfpsingle.c +++ b/arch/arm/vfp/vfpsingle.c @@ -200,7 +200,7 @@ u32 vfp_single_normaliseround(int sd, struct vfp_single *vs, u32 fpscr, u32 exce s32 d = vfp_single_pack(vs); pr_debug("VFP: %s: d(s%d)=%08x exceptions=%08x\n", func, sd, d, exceptions); - vfp_put_float(sd, d); + vfp_put_float(d, sd); } return exceptions; @@ -257,19 +257,19 @@ vfp_propagate_nan(struct vfp_single *vsd, struct vfp_single *vsn, */ static u32 vfp_single_fabs(int sd, int unused, s32 m, u32 fpscr) { - vfp_put_float(sd, vfp_single_packed_abs(m)); + vfp_put_float(vfp_single_packed_abs(m), sd); return 0; } static u32 vfp_single_fcpy(int sd, int unused, s32 m, u32 fpscr) { - vfp_put_float(sd, m); + vfp_put_float(m, sd); return 0; } static u32 vfp_single_fneg(int sd, int unused, s32 m, u32 fpscr) { - vfp_put_float(sd, vfp_single_packed_negate(m)); + vfp_put_float(vfp_single_packed_negate(m), sd); return 0; } @@ -333,7 +333,7 @@ static u32 vfp_single_fsqrt(int sd, int unused, s32 m, u32 fpscr) vsp = &vfp_single_default_qnan; ret = FPSCR_IOC; } - vfp_put_float(sd, vfp_single_pack(vsp)); + vfp_put_float(vfp_single_pack(vsp), sd); return ret; } @@ -517,7 +517,7 @@ static u32 vfp_single_fcvtd(int dd, int unused, s32 m, u32 fpscr) return vfp_double_normaliseround(dd, &vdd, fpscr, exceptions, "fcvtd"); pack_nan: - vfp_put_double(dd, vfp_double_pack(&vdd)); + vfp_put_double(vfp_double_pack(&vdd), dd); return exceptions; } @@ -613,7 +613,7 @@ static u32 vfp_single_ftoui(int sd, int unused, s32 m, u32 fpscr) pr_debug("VFP: ftoui: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions); - vfp_put_float(sd, d); + vfp_put_float(d, sd); return exceptions; } @@ -692,7 +692,7 @@ static u32 vfp_single_ftosi(int sd, int unused, s32 m, u32 fpscr) pr_debug("VFP: ftosi: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions); - vfp_put_float(sd, (s32)d); + vfp_put_float((s32)d, sd); return exceptions; } @@ -1127,7 +1127,7 @@ static u32 vfp_single_fdiv(int sd, int sn, s32 m, u32 fpscr) vsn_nan: exceptions = vfp_propagate_nan(&vsd, &vsn, &vsm, fpscr); pack: - vfp_put_float(sd, vfp_single_pack(&vsd)); + vfp_put_float(vfp_single_pack(&vsd), sd); return exceptions; vsm_nan: @@ -1147,7 +1147,7 @@ static u32 vfp_single_fdiv(int sd, int sn, s32 m, u32 fpscr) goto pack; invalid: - vfp_put_float(sd, vfp_single_pack(&vfp_single_default_qnan)); + vfp_put_float(vfp_single_pack(&vfp_single_default_qnan), sd); return FPSCR_IOC; } diff --git a/include/asm-arm/arch-s3c2410/dma.h b/include/asm-arm/arch-s3c2410/dma.h index 7463fd5252ce..3661e465b0a5 100644 --- a/include/asm-arm/arch-s3c2410/dma.h +++ b/include/asm-arm/arch-s3c2410/dma.h @@ -1,18 +1,13 @@ -/* linux/include/asm-arm/arch-bast/dma.h +/* linux/include/asm-arm/arch-s3c2410/dma.h * - * Copyright (C) 2003,2004 Simtec Electronics + * Copyright (C) 2003,2004,2006 Simtec Electronics * Ben Dooks * - * Samsung S3C2410X DMA support + * Samsung S3C241XX DMA support * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. - * - * Changelog: - * ??-May-2003 BJD Created file - * ??-Jun-2003 BJD Added more dma functionality to go with arch - * 10-Nov-2004 BJD Added sys_device support */ #ifndef __ASM_ARCH_DMA_H @@ -21,28 +16,26 @@ #include #include "hardware.h" - /* * This is the maximum DMA address(physical address) that can be DMAd to. * */ -#define MAX_DMA_ADDRESS 0x20000000 +#define MAX_DMA_ADDRESS 0x40000000 #define MAX_DMA_TRANSFER_SIZE 0x100000 /* Data Unit is half word */ - /* we have 4 dma channels */ #define S3C2410_DMA_CHANNELS (4) /* types */ -typedef enum { +enum s3c2410_dma_state { S3C2410_DMA_IDLE, S3C2410_DMA_RUNNING, S3C2410_DMA_PAUSED -} s3c2410_dma_state_t; +}; -/* s3c2410_dma_loadst_t +/* enum s3c2410_dma_loadst * * This represents the state of the DMA engine, wrt to the loaded / running * transfers. Since we don't have any way of knowing exactly the state of @@ -70,45 +63,40 @@ typedef enum { * currently running. */ -typedef enum { +enum s3c2410_dma_loadst { S3C2410_DMALOAD_NONE, S3C2410_DMALOAD_1LOADED, S3C2410_DMALOAD_1RUNNING, S3C2410_DMALOAD_1LOADED_1RUNNING, -} s3c2410_dma_loadst_t; +}; -typedef enum { +enum s3c2410_dma_buffresult { S3C2410_RES_OK, S3C2410_RES_ERR, S3C2410_RES_ABORT -} s3c2410_dma_buffresult_t; - - -typedef enum s3c2410_dmasrc_e s3c2410_dmasrc_t; - -enum s3c2410_dmasrc_e { - S3C2410_DMASRC_HW, /* source is memory */ - S3C2410_DMASRC_MEM /* source is hardware */ }; -/* enum s3c2410_chan_op_e +enum s3c2410_dmasrc { + S3C2410_DMASRC_HW, /* source is memory */ + S3C2410_DMASRC_MEM /* source is hardware */ +}; + +/* enum s3c2410_chan_op * * operation codes passed to the DMA code by the user, and also used * to inform the current channel owner of any changes to the system state */ -enum s3c2410_chan_op_e { +enum s3c2410_chan_op { S3C2410_DMAOP_START, S3C2410_DMAOP_STOP, S3C2410_DMAOP_PAUSE, S3C2410_DMAOP_RESUME, S3C2410_DMAOP_FLUSH, - S3C2410_DMAOP_TIMEOUT, /* internal signal to handler */ + S3C2410_DMAOP_TIMEOUT, /* internal signal to handler */ S3C2410_DMAOP_STARTED, /* indicate channel started */ }; -typedef enum s3c2410_chan_op_e s3c2410_chan_op_t; - /* flags */ #define S3C2410_DMAF_SLOW (1<<0) /* slow, so don't worry about @@ -117,104 +105,100 @@ typedef enum s3c2410_chan_op_e s3c2410_chan_op_t; /* dma buffer */ -typedef struct s3c2410_dma_buf_s s3c2410_dma_buf_t; - struct s3c2410_dma_client { char *name; }; -typedef struct s3c2410_dma_client s3c2410_dma_client_t; - /* s3c2410_dma_buf_s * * internally used buffer structure to describe a queued or running * buffer. */ -struct s3c2410_dma_buf_s { - s3c2410_dma_buf_t *next; - int magic; /* magic */ - int size; /* buffer size in bytes */ - dma_addr_t data; /* start of DMA data */ - dma_addr_t ptr; /* where the DMA got to [1] */ - void *id; /* client's id */ +struct s3c2410_dma_buf; +struct s3c2410_dma_buf { + struct s3c2410_dma_buf *next; + int magic; /* magic */ + int size; /* buffer size in bytes */ + dma_addr_t data; /* start of DMA data */ + dma_addr_t ptr; /* where the DMA got to [1] */ + void *id; /* client's id */ }; /* [1] is this updated for both recv/send modes? */ -typedef struct s3c2410_dma_chan_s s3c2410_dma_chan_t; +struct s3c2410_dma_chan; /* s3c2410_dma_cbfn_t * * buffer callback routine type */ -typedef void (*s3c2410_dma_cbfn_t)(s3c2410_dma_chan_t *, void *buf, int size, - s3c2410_dma_buffresult_t result); +typedef void (*s3c2410_dma_cbfn_t)(struct s3c2410_dma_chan *, + void *buf, int size, + enum s3c2410_dma_buffresult result); -typedef int (*s3c2410_dma_opfn_t)(s3c2410_dma_chan_t *, - s3c2410_chan_op_t ); +typedef int (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *, + enum s3c2410_chan_op ); -struct s3c2410_dma_stats_s { - unsigned long loads; - unsigned long timeout_longest; - unsigned long timeout_shortest; - unsigned long timeout_avg; - unsigned long timeout_failed; +struct s3c2410_dma_stats { + unsigned long loads; + unsigned long timeout_longest; + unsigned long timeout_shortest; + unsigned long timeout_avg; + unsigned long timeout_failed; }; -typedef struct s3c2410_dma_stats_s s3c2410_dma_stats_t; - -/* struct s3c2410_dma_chan_s +/* struct s3c2410_dma_chan * * full state information for each DMA channel */ -struct s3c2410_dma_chan_s { +struct s3c2410_dma_chan { /* channel state flags and information */ - unsigned char number; /* number of this dma channel */ - unsigned char in_use; /* channel allocated */ - unsigned char irq_claimed; /* irq claimed for channel */ - unsigned char irq_enabled; /* irq enabled for channel */ - unsigned char xfer_unit; /* size of an transfer */ + unsigned char number; /* number of this dma channel */ + unsigned char in_use; /* channel allocated */ + unsigned char irq_claimed; /* irq claimed for channel */ + unsigned char irq_enabled; /* irq enabled for channel */ + unsigned char xfer_unit; /* size of an transfer */ /* channel state */ - s3c2410_dma_state_t state; - s3c2410_dma_loadst_t load_state; - s3c2410_dma_client_t *client; + enum s3c2410_dma_state state; + enum s3c2410_dma_loadst load_state; + struct s3c2410_dma_client *client; /* channel configuration */ - s3c2410_dmasrc_t source; - unsigned long dev_addr; - unsigned long load_timeout; - unsigned int flags; /* channel flags */ + enum s3c2410_dmasrc source; + unsigned long dev_addr; + unsigned long load_timeout; + unsigned int flags; /* channel flags */ /* channel's hardware position and configuration */ - void __iomem *regs; /* channels registers */ - void __iomem *addr_reg; /* data address register */ - unsigned int irq; /* channel irq */ - unsigned long dcon; /* default value of DCON */ + void __iomem *regs; /* channels registers */ + void __iomem *addr_reg; /* data address register */ + unsigned int irq; /* channel irq */ + unsigned long dcon; /* default value of DCON */ /* driver handles */ - s3c2410_dma_cbfn_t callback_fn; /* buffer done callback */ - s3c2410_dma_opfn_t op_fn; /* channel operation callback */ + s3c2410_dma_cbfn_t callback_fn; /* buffer done callback */ + s3c2410_dma_opfn_t op_fn; /* channel op callback */ /* stats gathering */ - s3c2410_dma_stats_t *stats; - s3c2410_dma_stats_t stats_store; + struct s3c2410_dma_stats *stats; + struct s3c2410_dma_stats stats_store; /* buffer list and information */ - s3c2410_dma_buf_t *curr; /* current dma buffer */ - s3c2410_dma_buf_t *next; /* next buffer to load */ - s3c2410_dma_buf_t *end; /* end of queue */ + struct s3c2410_dma_buf *curr; /* current dma buffer */ + struct s3c2410_dma_buf *next; /* next buffer to load */ + struct s3c2410_dma_buf *end; /* end of queue */ /* system device */ struct sys_device dev; }; /* the currently allocated channel information */ -extern s3c2410_dma_chan_t s3c2410_chans[]; +extern struct s3c2410_dma_chan s3c2410_chans[]; /* note, we don't really use dma_device_t at the moment */ typedef unsigned long dma_device_t; @@ -227,7 +211,7 @@ typedef unsigned long dma_device_t; */ extern int s3c2410_dma_request(dmach_t channel, - s3c2410_dma_client_t *, void *dev); + struct s3c2410_dma_client *, void *dev); /* s3c2410_dma_ctrl @@ -235,7 +219,7 @@ extern int s3c2410_dma_request(dmach_t channel, * change the state of the dma channel */ -extern int s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op); +extern int s3c2410_dma_ctrl(dmach_t channel, enum s3c2410_chan_op op); /* s3c2410_dma_setflags * @@ -250,7 +234,7 @@ extern int s3c2410_dma_setflags(dmach_t channel, * free the dma channel (will also abort any outstanding operations) */ -extern int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *); +extern int s3c2410_dma_free(dmach_t channel, struct s3c2410_dma_client *); /* s3c2410_dma_enqueue * @@ -274,7 +258,7 @@ extern int s3c2410_dma_config(dmach_t channel, int xferunit, int dcon); * configure the device we're talking to */ -extern int s3c2410_dma_devconfig(int channel, s3c2410_dmasrc_t source, +extern int s3c2410_dma_devconfig(int channel, enum s3c2410_dmasrc source, int hwcfg, unsigned long devaddr); /* s3c2410_dma_getposition diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h index fe0c744e0266..e4a2569c636c 100644 --- a/include/asm-arm/cacheflush.h +++ b/include/asm-arm/cacheflush.h @@ -247,14 +247,12 @@ extern void dmac_flush_range(unsigned long, unsigned long); */ #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ - flush_cache_page(vma, vaddr, page_to_pfn(page));\ memcpy(dst, src, len); \ - flush_dcache_page(page); \ + flush_ptrace_access(vma, page, vaddr, dst, len, 1);\ } while (0) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ do { \ - flush_cache_page(vma, vaddr, page_to_pfn(page));\ memcpy(dst, src, len); \ } while (0) @@ -285,10 +283,24 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned l __cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags); } } + +static inline void +flush_ptrace_access(struct vm_area_struct *vma, struct page *page, + unsigned long uaddr, void *kaddr, + unsigned long len, int write) +{ + if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) { + unsigned long addr = (unsigned long)kaddr; + __cpuc_coherent_kern_range(addr, addr + len); + } +} #else extern void flush_cache_mm(struct mm_struct *mm); extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn); +extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, + unsigned long uaddr, void *kaddr, + unsigned long len, int write); #endif /* diff --git a/include/asm-arm/spinlock.h b/include/asm-arm/spinlock.h index 406ca97a8ab2..e2f1d75171df 100644 --- a/include/asm-arm/spinlock.h +++ b/include/asm-arm/spinlock.h @@ -199,7 +199,21 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw) : "cc"); } -#define __raw_read_trylock(lock) generic__raw_read_trylock(lock) +static inline int __raw_read_trylock(raw_rwlock_t *rw) +{ + unsigned long tmp tmp2 = 1; + + __asm__ __volatile__( +"1: ldrex %0, [%2]\n" +" adds %0, %0, #1\n" +" strexpl %1, %0, [%2]\n" + : "=&r" (tmp), "+r" (tmp2) + : "r" (&rw->lock) + : "cc"); + + smp_mb(); + return tmp2 == 0; +} /* read_can_lock - would read_trylock() succeed? */ #define __raw_read_can_lock(x) ((x)->lock < 0x80000000)