diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/Makefile | 2 | ||||
| -rw-r--r-- | drivers/clocksource/sh_cmt.c | 12 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-sh_mobile.c | 23 | ||||
| -rw-r--r-- | drivers/serial/sh-sci.h | 17 | ||||
| -rw-r--r-- | drivers/sh/clk.c | 17 |
5 files changed, 35 insertions, 36 deletions
diff --git a/drivers/Makefile b/drivers/Makefile index ae473445ad6d..0861aa554dfd 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -92,6 +92,7 @@ obj-$(CONFIG_EISA) += eisa/ obj-y += lguest/ obj-$(CONFIG_CPU_FREQ) += cpufreq/ obj-$(CONFIG_CPU_IDLE) += cpuidle/ +obj-$(CONFIG_DMA_ENGINE) += dma/ obj-$(CONFIG_MMC) += mmc/ obj-$(CONFIG_MEMSTICK) += memstick/ obj-$(CONFIG_NEW_LEDS) += leds/ @@ -104,7 +105,6 @@ obj-$(CONFIG_ARCH_SHMOBILE) += sh/ ifndef CONFIG_ARCH_USES_GETTIMEOFFSET obj-y += clocksource/ endif -obj-$(CONFIG_DMA_ENGINE) += dma/ obj-$(CONFIG_DCA) += dca/ obj-$(CONFIG_HID) += hid/ obj-$(CONFIG_PPC_PS3) += ps3/ diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index 717305d30444..a44611652282 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -308,7 +308,7 @@ static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id) * isr before we end up here. */ if (p->flags & FLAG_CLOCKSOURCE) - p->total_cycles += p->match_value; + p->total_cycles += p->match_value + 1; if (!(p->flags & FLAG_REPROGRAM)) p->next_match_value = p->max_match_value; @@ -403,7 +403,7 @@ static cycle_t sh_cmt_clocksource_read(struct clocksource *cs) raw = sh_cmt_get_counter(p, &has_wrapped); if (unlikely(has_wrapped)) - raw += p->match_value; + raw += p->match_value + 1; spin_unlock_irqrestore(&p->lock, flags); return value + raw; @@ -445,7 +445,7 @@ static int sh_cmt_register_clocksource(struct sh_cmt_priv *p, /* clk_get_rate() needs an enabled clock */ clk_enable(p->clk); - p->rate = clk_get_rate(p->clk) / (p->width == 16) ? 512 : 8; + p->rate = clk_get_rate(p->clk) / ((p->width == 16) ? 512 : 8); clk_disable(p->clk); /* TODO: calculate good shift from rate and counter bit width */ @@ -478,7 +478,7 @@ static void sh_cmt_clock_event_start(struct sh_cmt_priv *p, int periodic) ced->min_delta_ns = clockevent_delta2ns(0x1f, ced); if (periodic) - sh_cmt_set_next(p, (p->rate + HZ/2) / HZ); + sh_cmt_set_next(p, ((p->rate + HZ/2) / HZ) - 1); else sh_cmt_set_next(p, p->max_match_value); } @@ -523,9 +523,9 @@ static int sh_cmt_clock_event_next(unsigned long delta, BUG_ON(ced->mode != CLOCK_EVT_MODE_ONESHOT); if (likely(p->flags & FLAG_IRQCONTEXT)) - p->next_match_value = delta; + p->next_match_value = delta - 1; else - sh_cmt_set_next(p, delta); + sh_cmt_set_next(p, delta - 1); return 0; } diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index 598c49acaeb5..2707f5e17158 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -538,15 +538,17 @@ static int sh_mobile_i2c_hook_irqs(struct platform_device *dev, int hook) { struct resource *res; int ret = -ENXIO; - int q, m; - int k = 0; - int n = 0; + int n, k = 0; while ((res = platform_get_resource(dev, IORESOURCE_IRQ, k))) { for (n = res->start; hook && n <= res->end; n++) { if (request_irq(n, sh_mobile_i2c_isr, IRQF_DISABLED, - dev_name(&dev->dev), dev)) + dev_name(&dev->dev), dev)) { + for (n--; n >= res->start; n--) + free_irq(n, dev); + goto rollback; + } } k++; } @@ -554,16 +556,17 @@ static int sh_mobile_i2c_hook_irqs(struct platform_device *dev, int hook) if (hook) return k > 0 ? 0 : -ENOENT; - k--; ret = 0; rollback: - for (q = k; k >= 0; k--) { - for (m = n; m >= res->start; m--) - free_irq(m, dev); + k--; + + while (k >= 0) { + res = platform_get_resource(dev, IORESOURCE_IRQ, k); + for (n = res->start; n <= res->end; n++) + free_irq(n, dev); - res = platform_get_resource(dev, IORESOURCE_IRQ, k - 1); - m = res->end; + k--; } return ret; diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 9b52f77a9305..d2352ac437c5 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -140,7 +140,15 @@ # define SCSPTR0 0xffe00024 /* 16 bit SCIF */ # define SCSPTR1 0xffe10024 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* Overrun error bit */ -# define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ + +#if defined(CONFIG_SH_SH2007) +/* TIE=0,RIE=0,TE=1,RE=1,REIE=1,CKE1=0 */ +# define SCSCR_INIT(port) 0x38 +#else +/* TIE=0,RIE=0,TE=1,RE=1,REIE=1,CKE1=1 */ +# define SCSCR_INIT(port) 0x3a +#endif + #elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \ defined(CONFIG_CPU_SUBTYPE_SH7786) # define SCSPTR0 0xffea0024 /* 16 bit SCIF */ @@ -616,9 +624,10 @@ static inline int sci_rxd_in(struct uart_port *port) * -- Mitch Davis - 15 Jul 2000 */ -#if defined(CONFIG_CPU_SUBTYPE_SH7780) || \ - defined(CONFIG_CPU_SUBTYPE_SH7785) || \ - defined(CONFIG_CPU_SUBTYPE_SH7786) +#if (defined(CONFIG_CPU_SUBTYPE_SH7780) || \ + defined(CONFIG_CPU_SUBTYPE_SH7785) || \ + defined(CONFIG_CPU_SUBTYPE_SH7786)) && \ + !defined(CONFIG_SH_SH2007) #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1) #elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \ defined(CONFIG_CPU_SUBTYPE_SH7720) || \ diff --git a/drivers/sh/clk.c b/drivers/sh/clk.c index 5d84adac9ec4..cede14e34507 100644 --- a/drivers/sh/clk.c +++ b/drivers/sh/clk.c @@ -73,22 +73,14 @@ long clk_rate_table_round(struct clk *clk, { unsigned long rate_error, rate_error_prev = ~0UL; unsigned long rate_best_fit = rate; - unsigned long highest, lowest; int i; - highest = lowest = 0; - for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) { unsigned long freq = freq_table[i].frequency; if (freq == CPUFREQ_ENTRY_INVALID) continue; - if (freq > highest) - highest = freq; - if (freq < lowest) - lowest = freq; - rate_error = abs(freq - rate); if (rate_error < rate_error_prev) { rate_best_fit = freq; @@ -99,11 +91,6 @@ long clk_rate_table_round(struct clk *clk, break; } - if (rate >= highest) - rate_best_fit = highest; - if (rate <= lowest) - rate_best_fit = lowest; - return rate_best_fit; } @@ -354,10 +341,10 @@ int clk_set_parent(struct clk *clk, struct clk *parent) ret = clk_reparent(clk, parent); if (ret == 0) { - pr_debug("clock: set parent of %s to %s (new rate %ld)\n", - clk->name, clk->parent->name, clk->rate); if (clk->ops->recalc) clk->rate = clk->ops->recalc(clk); + pr_debug("clock: set parent of %s to %s (new rate %ld)\n", + clk->name, clk->parent->name, clk->rate); propagate_rate(clk); } } else |