diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/kernel/cevt-txx9.c | 67 |
1 files changed, 43 insertions, 24 deletions
diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c index 2e911e3da8d..0037f21baf0 100644 --- a/arch/mips/kernel/cevt-txx9.c +++ b/arch/mips/kernel/cevt-txx9.c @@ -20,22 +20,29 @@ #define TIMER_CCD 0 /* 1/2 */ #define TIMER_CLK(imclk) ((imclk) / (2 << TIMER_CCD)) -static struct txx9_tmr_reg __iomem *txx9_cs_tmrptr; +struct txx9_clocksource { + struct clocksource cs; + struct txx9_tmr_reg __iomem *tmrptr; +}; static cycle_t txx9_cs_read(struct clocksource *cs) { - return __raw_readl(&txx9_cs_tmrptr->trr); + struct txx9_clocksource *txx9_cs = + container_of(cs, struct txx9_clocksource, cs); + return __raw_readl(&txx9_cs->tmrptr->trr); } /* Use 1 bit smaller width to use full bits in that width */ #define TXX9_CLOCKSOURCE_BITS (TXX9_TIMER_BITS - 1) -static struct clocksource txx9_clocksource = { - .name = "TXx9", - .rating = 200, - .read = txx9_cs_read, - .mask = CLOCKSOURCE_MASK(TXX9_CLOCKSOURCE_BITS), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, +static struct txx9_clocksource txx9_clocksource = { + .cs = { + .name = "TXx9", + .rating = 200, + .read = txx9_cs_read, + .mask = CLOCKSOURCE_MASK(TXX9_CLOCKSOURCE_BITS), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, + }, }; void __init txx9_clocksource_init(unsigned long baseaddr, @@ -43,8 +50,8 @@ void __init txx9_clocksource_init(unsigned long baseaddr, { struct txx9_tmr_reg __iomem *tmrptr; - clocksource_set_clock(&txx9_clocksource, TIMER_CLK(imbusclk)); - clocksource_register(&txx9_clocksource); + clocksource_set_clock(&txx9_clocksource.cs, TIMER_CLK(imbusclk)); + clocksource_register(&txx9_clocksource.cs); tmrptr = ioremap(baseaddr, sizeof(struct txx9_tmr_reg)); __raw_writel(TCR_BASE, &tmrptr->tcr); @@ -53,10 +60,13 @@ void __init txx9_clocksource_init(unsigned long baseaddr, __raw_writel(TXx9_TMITMR_TZCE, &tmrptr->itmr); __raw_writel(1 << TXX9_CLOCKSOURCE_BITS, &tmrptr->cpra); __raw_writel(TCR_BASE | TXx9_TMTCR_TCE, &tmrptr->tcr); - txx9_cs_tmrptr = tmrptr; + txx9_clocksource.tmrptr = tmrptr; } -static struct txx9_tmr_reg __iomem *txx9_tmrptr; +struct txx9_clock_event_device { + struct clock_event_device cd; + struct txx9_tmr_reg __iomem *tmrptr; +}; static void txx9tmr_stop_and_clear(struct txx9_tmr_reg __iomem *tmrptr) { @@ -69,7 +79,9 @@ static void txx9tmr_stop_and_clear(struct txx9_tmr_reg __iomem *tmrptr) static void txx9tmr_set_mode(enum clock_event_mode mode, struct clock_event_device *evt) { - struct txx9_tmr_reg __iomem *tmrptr = txx9_tmrptr; + struct txx9_clock_event_device *txx9_cd = + container_of(evt, struct txx9_clock_event_device, cd); + struct txx9_tmr_reg __iomem *tmrptr = txx9_cd->tmrptr; txx9tmr_stop_and_clear(tmrptr); switch (mode) { @@ -99,7 +111,9 @@ static void txx9tmr_set_mode(enum clock_event_mode mode, static int txx9tmr_set_next_event(unsigned long delta, struct clock_event_device *evt) { - struct txx9_tmr_reg __iomem *tmrptr = txx9_tmrptr; + struct txx9_clock_event_device *txx9_cd = + container_of(evt, struct txx9_clock_event_device, cd); + struct txx9_tmr_reg __iomem *tmrptr = txx9_cd->tmrptr; txx9tmr_stop_and_clear(tmrptr); /* start timer */ @@ -108,18 +122,22 @@ static int txx9tmr_set_next_event(unsigned long delta, return 0; } -static struct clock_event_device txx9tmr_clock_event_device = { - .name = "TXx9", - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .rating = 200, - .set_mode = txx9tmr_set_mode, - .set_next_event = txx9tmr_set_next_event, +static struct txx9_clock_event_device txx9_clock_event_device = { + .cd = { + .name = "TXx9", + .features = CLOCK_EVT_FEAT_PERIODIC | + CLOCK_EVT_FEAT_ONESHOT, + .rating = 200, + .set_mode = txx9tmr_set_mode, + .set_next_event = txx9tmr_set_next_event, + }, }; static irqreturn_t txx9tmr_interrupt(int irq, void *dev_id) { - struct clock_event_device *cd = &txx9tmr_clock_event_device; - struct txx9_tmr_reg __iomem *tmrptr = txx9_tmrptr; + struct txx9_clock_event_device *txx9_cd = dev_id; + struct clock_event_device *cd = &txx9_cd->cd; + struct txx9_tmr_reg __iomem *tmrptr = txx9_cd->tmrptr; __raw_writel(0, &tmrptr->tisr); /* ack interrupt */ cd->event_handler(cd); @@ -130,19 +148,20 @@ static struct irqaction txx9tmr_irq = { .handler = txx9tmr_interrupt, .flags = IRQF_DISABLED | IRQF_PERCPU, .name = "txx9tmr", + .dev_id = &txx9_clock_event_device, }; void __init txx9_clockevent_init(unsigned long baseaddr, int irq, unsigned int imbusclk) { - struct clock_event_device *cd = &txx9tmr_clock_event_device; + struct clock_event_device *cd = &txx9_clock_event_device.cd; struct txx9_tmr_reg __iomem *tmrptr; tmrptr = ioremap(baseaddr, sizeof(struct txx9_tmr_reg)); txx9tmr_stop_and_clear(tmrptr); __raw_writel(TIMER_CCD, &tmrptr->ccdr); __raw_writel(0, &tmrptr->itmr); - txx9_tmrptr = tmrptr; + txx9_clock_event_device.tmrptr = tmrptr; clockevent_set_clock(cd, TIMER_CLK(imbusclk)); cd->max_delta_ns = |