[PATCH v2 08/19] staging: comedi: ni_mio_common: fix lines over 80 characters
H Hartley Sweeten
hsweeten at visionengravers.com
Thu Apr 14 16:57:56 UTC 2016
Fix the checkpatch.pl issues.
Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Reviewed-by: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
drivers/staging/comedi/drivers/ni_mio_common.c | 78 ++++++++++++++++----------
1 file changed, 49 insertions(+), 29 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index dce8a86..fa2aad4 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -877,16 +877,17 @@ static inline unsigned short ni_ao_win_inw(struct comedi_device *dev, int addr)
return data;
}
-/* ni_set_bits( ) allows different parts of the ni_mio_common driver to
-* share registers (such as Interrupt_A_Register) without interfering with
-* each other.
-*
-* NOTE: the switch/case statements are optimized out for a constant argument
-* so this is actually quite fast--- If you must wrap another function around this
-* make it inline to avoid a large speed penalty.
-*
-* value should only be 1 or 0.
-*/
+/*
+ * ni_set_bits( ) allows different parts of the ni_mio_common driver to
+ * share registers (such as Interrupt_A_Register) without interfering with
+ * each other.
+ *
+ * NOTE: the switch/case statements are optimized out for a constant argument
+ * so this is actually quite fast--- If you must wrap another function around
+ * this make it inline to avoid a large speed penalty.
+ *
+ * value should only be 1 or 0.
+ */
static inline void ni_set_bits(struct comedi_device *dev, int reg,
unsigned int bits, unsigned int value)
{
@@ -1102,7 +1103,10 @@ static void ni_ai_fifo_read(struct comedi_device *dev,
comedi_buf_write_samples(s, &data, 1);
}
} else if (devpriv->is_6143) {
- /* This just reads the FIFO assuming the data is present, no checks on the FIFO status are performed */
+ /*
+ * This just reads the FIFO assuming the data is present,
+ * no checks on the FIFO status are performed.
+ */
for (i = 0; i < n / 2; i++) {
dl = ni_readl(dev, NI6143_AI_FIFO_DATA_REG);
@@ -1153,7 +1157,6 @@ static void ni_handle_fifo_dregs(struct comedi_device *dev)
struct comedi_subdevice *s = dev->read_subdev;
unsigned int dl;
unsigned short data;
- unsigned short fifo_empty;
int i;
if (devpriv->is_611x) {
@@ -1189,15 +1192,16 @@ static void ni_handle_fifo_dregs(struct comedi_device *dev)
}
} else {
- fifo_empty = ni_stc_readw(dev, NISTC_AI_STATUS1_REG) &
- NISTC_AI_STATUS1_FIFO_E;
- while (fifo_empty == 0) {
+ unsigned short fe; /* fifo empty */
+
+ fe = ni_stc_readw(dev, NISTC_AI_STATUS1_REG) &
+ NISTC_AI_STATUS1_FIFO_E;
+ while (fe == 0) {
for (i = 0;
i < ARRAY_SIZE(devpriv->ai_fifo_buffer); i++) {
- fifo_empty = ni_stc_readw(dev,
- NISTC_AI_STATUS1_REG) &
- NISTC_AI_STATUS1_FIFO_E;
- if (fifo_empty)
+ fe = ni_stc_readw(dev, NISTC_AI_STATUS1_REG) &
+ NISTC_AI_STATUS1_FIFO_E;
+ if (fe)
break;
devpriv->ai_fifo_buffer[i] =
ni_readw(dev, NI_E_AI_FIFO_DATA_REG);
@@ -1323,7 +1327,10 @@ static void handle_a_interrupt(struct comedi_device *dev, unsigned short status,
struct comedi_subdevice *s = dev->read_subdev;
struct comedi_cmd *cmd = &s->async->cmd;
- /* 67xx boards don't have ai subdevice, but their gpct0 might generate an a interrupt */
+ /*
+ * 67xx boards don't have ai subdevice, but their gpct0 might
+ * generate an a interrupt.
+ */
if (s->type == COMEDI_SUBD_UNUSED)
return;
@@ -1826,7 +1833,8 @@ static void ni_load_channelgain_list(struct comedi_device *dev,
ni_writew(dev, devpriv->ai_calib_source,
NI6143_CALIB_CHAN_REG);
devpriv->ai_calib_source_enabled = 1;
- msleep_interruptible(100); /* Allow relays to change */
+ /* Allow relays to change */
+ msleep_interruptible(100);
} else if (!(list[0] & CR_ALT_SOURCE)
&& devpriv->ai_calib_source_enabled) {
/* Strobe Relay disable bit */
@@ -1836,7 +1844,8 @@ static void ni_load_channelgain_list(struct comedi_device *dev,
ni_writew(dev, devpriv->ai_calib_source,
NI6143_CALIB_CHAN_REG);
devpriv->ai_calib_source_enabled = 0;
- msleep_interruptible(100); /* Allow relays to change */
+ /* Allow relays to change */
+ msleep_interruptible(100);
}
}
@@ -1957,7 +1966,11 @@ static int ni_ai_insn_read(struct comedi_device *dev,
ni_stc_writew(dev, NISTC_AI_CMD1_CONVERT_PULSE,
NISTC_AI_CMD1_REG);
- /* The 6143 has 32-bit FIFOs. You need to strobe a bit to move a single 16bit stranded sample into the FIFO */
+ /*
+ * The 6143 has 32-bit FIFOs. You need to strobe a
+ * bit to move a single 16bit stranded sample into
+ * the FIFO.
+ */
dl = 0;
for (i = 0; i < NI_TIMEOUT; i++) {
if (ni_readl(dev, NI6143_AI_FIFO_STATUS_REG) &
@@ -1995,7 +2008,8 @@ static int ni_ai_insn_read(struct comedi_device *dev,
data[n] = dl;
} else {
d = ni_readw(dev, NI_E_AI_FIFO_DATA_REG);
- d += signbits; /* subtle: needs to be short addition */
+ /* subtle: needs to be short addition */
+ d += signbits;
data[n] = d;
}
}
@@ -2331,7 +2345,10 @@ static int ni_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
if (stop_count == 0) {
devpriv->ai_cmd2 |= NISTC_AI_CMD2_END_ON_EOS;
interrupt_a_enable |= NISTC_INTA_ENA_AI_STOP;
- /* this is required to get the last sample for chanlist_len > 1, not sure why */
+ /*
+ * This is required to get the last sample for
+ * chanlist_len > 1, not sure why.
+ */
if (cmd->chanlist_len > 1)
start_stop_select |= NISTC_AI_STOP_POLARITY |
NISTC_AI_STOP_EDGE;
@@ -2451,7 +2468,7 @@ static int ni_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
switch (devpriv->aimode) {
case AIMODE_HALF_FULL:
- /*generate FIFO interrupts and DMA requests on half-full */
+ /* FIFO interrupts and DMA requests on half-full */
#ifdef PCIDMA
ni_stc_writew(dev, NISTC_AI_MODE3_FIFO_MODE_HF_E,
NISTC_AI_MODE3_REG);
@@ -4905,7 +4922,10 @@ static int ni_mseries_set_pll_master_clock(struct comedi_device *dev,
if (source == NI_MIO_PLL_PXI10_CLOCK)
period_ns = 100;
- /* these limits are somewhat arbitrary, but NI advertises 1 to 20MHz range so we'll use that */
+ /*
+ * These limits are somewhat arbitrary, but NI advertises 1 to 20MHz
+ * range so we'll use that.
+ */
if (period_ns < min_period_ns || period_ns > max_period_ns) {
dev_err(dev->class_dev,
"%s: you must specify an input clock frequency between %i and %i nanosec for the phased-lock loop\n",
@@ -4955,7 +4975,7 @@ static int ni_mseries_set_pll_master_clock(struct comedi_device *dev,
ni_writew(dev, pll_control_bits, NI_M_PLL_CTRL_REG);
devpriv->clock_source = source;
- /* it seems to typically take a few hundred microseconds for PLL to lock */
+ /* it takes a few hundred microseconds for PLL to lock */
for (i = 0; i < timeout; ++i) {
if (ni_readw(dev, NI_M_PLL_STATUS_REG) & NI_M_PLL_STATUS_LOCKED)
break;
@@ -5247,7 +5267,7 @@ static irqreturn_t ni_E_interrupt(int irq, void *d)
if (!dev->attached)
return IRQ_NONE;
- smp_mb(); /* make sure dev->attached is checked before handler does anything else. */
+ smp_mb(); /* make sure dev->attached is checked */
/* lock to avoid race with comedi_poll */
spin_lock_irqsave(&dev->spinlock, flags);
--
2.6.3
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