diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/twl4030-irq.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c index b69bb51..b31f920 100644 --- a/drivers/mfd/twl4030-irq.c +++ b/drivers/mfd/twl4030-irq.c @@ -59,7 +59,6 @@ #define REG_PIH_ISR_P2 0x02 #define REG_PIH_SIR 0x03 /* for testing */ - /* Linux could (eventually) use either IRQ line */ static int irq_line; @@ -111,7 +110,8 @@ static int nr_sih_modules; #define TWL4030_MODULE_INT_PWR TWL4030_MODULE_INT -/* Order in this table matches order in PIH_ISR. That is, +/* + * Order in this table matches order in PIH_ISR. That is, * BIT(n) in PIH_ISR is sih_modules[n]. */ /* sih_modules_twl4030 is used both in twl4030 and twl5030 */ @@ -309,6 +309,7 @@ static irqreturn_t handle_twl4030_pih(int irq, void *devid) return IRQ_HANDLED; } + /*----------------------------------------------------------------------*/ /* @@ -337,7 +338,6 @@ static int twl4030_init_sih_modules(unsigned line) memset(buf, 0xff, sizeof buf); sih = sih_modules; for (i = 0; i < nr_sih_modules; i++, sih++) { - /* skip USB -- it's funky */ if (!sih->bytes_ixr) continue; @@ -352,7 +352,8 @@ static int twl4030_init_sih_modules(unsigned line) pr_err("twl4030: err %d initializing %s %s\n", status, sih->name, "IMR"); - /* Maybe disable "exclusive" mode; buffer second pending irq; + /* + * Maybe disable "exclusive" mode; buffer second pending irq; * set Clear-On-Read (COR) bit. * * NOTE that sometimes COR polarity is documented as being @@ -382,7 +383,8 @@ static int twl4030_init_sih_modules(unsigned line) if (sih->irq_lines <= line) continue; - /* Clear pending interrupt status. Either the read was + /* + * Clear pending interrupt status. Either the read was * enough, or we need to write those bits. Repeat, in * case an IRQ is pending (PENDDIS=0) ... that's not * uncommon with PWR_INT.PWRON. @@ -398,7 +400,8 @@ static int twl4030_init_sih_modules(unsigned line) status = twl_i2c_write(sih->module, buf, sih->mask[line].isr_offset, sih->bytes_ixr); - /* else COR=1 means read sufficed. + /* + * else COR=1 means read sufficed. * (for most SIH modules...) */ } @@ -410,7 +413,8 @@ static int twl4030_init_sih_modules(unsigned line) static inline void activate_irq(int irq) { #ifdef CONFIG_ARM - /* ARM requires an extra step to clear IRQ_NOREQUEST, which it + /* + * ARM requires an extra step to clear IRQ_NOREQUEST, which it * sets on behalf of every irq_chip. Also sets IRQ_NOPROBE. */ set_irq_flags(irq, IRQF_VALID); @@ -622,9 +626,7 @@ static irqreturn_t handle_twl4030_sih(int irq, void *data) static unsigned twl4030_irq_next; -/* returns the first IRQ used by this SIH bank, - * or negative errno - */ +/* returns the first IRQ used by this SIH bank, or negative errno */ int twl4030_sih_setup(int module) { int sih_mod; @@ -688,7 +690,6 @@ int twl4030_sih_setup(int module) /* FIXME need a call to reverse twl4030_sih_setup() ... */ - /*----------------------------------------------------------------------*/ /* FIXME pass in which interrupt line we'll use ... */ @@ -711,7 +712,8 @@ int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end) twl4030_irq_base = irq_base; - /* install an irq handler for each of the SIH modules; + /* + * install an irq handler for each of the SIH modules; * clone dummy irq_chip since PIH can't *do* anything */ twl4030_irq_chip = dummy_irq_chip; |