From 640da603179c425c23f1df95f346ae132f52ea98 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Thu, 24 Sep 2015 17:52:10 -0700 Subject: [PATCH] staging: comedi: rtd520: tidy up block comments Use the preferred block command style. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/rtd520.c | 68 +++++++++++++------------ 1 file changed, 36 insertions(+), 32 deletions(-) diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 9d978b921d54..e23a7b990513 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -209,12 +209,14 @@ #define LAS1_HDIO_FIFO 0x0004 /* HiSpd DI FIFO (16bit) */ #define LAS1_DAC_FIFO(x) (0x0008 + ((x) * 0x4)) /* D/Ax FIFO (16bit) */ -/*====================================================================== - Driver specific stuff (tunable) -======================================================================*/ +/* + * Driver specific stuff (tunable) + */ -/* We really only need 2 buffers. More than that means being much - smarter about knowing which ones are full. */ +/* + * We really only need 2 buffers. More than that means being much + * smarter about knowing which ones are full. + */ #define DMA_CHAIN_COUNT 2 /* max DMA segments/buffers in a ring (min 2) */ /* Target period for periodic transfers. This sets the user read latency. */ @@ -226,9 +228,9 @@ /* The board support a channel list up to the FIFO length (1K or 8K) */ #define RTD_MAX_CHANLIST 128 /* max channel list that we allow */ -/*====================================================================== - Board specific stuff -======================================================================*/ +/* + * Board specific stuff + */ #define RTD_CLOCK_RATE 8000000 /* 8Mhz onboard clock */ #define RTD_CLOCK_BASE 125 /* clock period in ns */ @@ -257,9 +259,9 @@ /* interrupt at end of block */ | PLX_INTR_TERM_COUNT \ /* from board to PCI */ | PLX_XFER_LOCAL_TO_PCI) -/*====================================================================== - Comedi specific stuff -======================================================================*/ +/* + * Comedi specific stuff + */ /* * The board has 3 input modes and the gains of 1,2,4,...32 (, 64, 128) @@ -377,11 +379,11 @@ struct rtd_private { #define DMA1_ACTIVE 0x04 /* DMA1 is active */ /* - Given a desired period and the clock period (both in ns), - return the proper counter value (divider-1). - Sets the original period to be the true value. - Note: you have to check if the value is larger than the counter range! -*/ + * Given a desired period and the clock period (both in ns), return the + * proper counter value (divider-1). Sets the original period to be the + * true value. + * Note: you have to check if the value is larger than the counter range! + */ static int rtd_ns_to_timer_base(unsigned int *nanosec, unsigned int flags, int base) { @@ -402,26 +404,26 @@ static int rtd_ns_to_timer_base(unsigned int *nanosec, if (divider < 2) divider = 2; /* min is divide by 2 */ - /* Note: we don't check for max, because different timers - have different ranges */ + /* + * Note: we don't check for max, because different timers + * have different ranges + */ *nanosec = base * divider; return divider - 1; /* countdown is divisor+1 */ } /* - Given a desired period (in ns), - return the proper counter value (divider-1) for the internal clock. - Sets the original period to be the true value. -*/ + * Given a desired period (in ns), return the proper counter value + * (divider-1) for the internal clock. Sets the original period to + * be the true value. + */ static int rtd_ns_to_timer(unsigned int *ns, unsigned int flags) { return rtd_ns_to_timer_base(ns, flags, RTD_CLOCK_BASE); } -/* - Convert a single comedi channel-gain entry to a RTD520 table entry -*/ +/* Convert a single comedi channel-gain entry to a RTD520 table entry */ static unsigned short rtd_convert_chan_gain(struct comedi_device *dev, unsigned int chanspec, int index) { @@ -466,9 +468,7 @@ static unsigned short rtd_convert_chan_gain(struct comedi_device *dev, return r; } -/* - Setup the channel-gain table from a comedi list -*/ +/* Setup the channel-gain table from a comedi list */ static void rtd_load_channelgain_list(struct comedi_device *dev, unsigned int n_chan, unsigned int *list) { @@ -488,8 +488,10 @@ static void rtd_load_channelgain_list(struct comedi_device *dev, } } -/* determine fifo size by doing adc conversions until the fifo half -empty status flag clears */ +/* + * Determine fifo size by doing adc conversions until the fifo half + * empty status flag clears. + */ static int rtd520_probe_fifo_depth(struct comedi_device *dev) { unsigned int chanspec = CR_PACK(0, 0, AREF_GROUND); @@ -972,8 +974,10 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) } /* end configuration */ - /* This doesn't seem to work. There is no way to clear an interrupt - that the priority controller has queued! */ + /* + * This doesn't seem to work. There is no way to clear an interrupt + * that the priority controller has queued! + */ writew(~0, dev->mmio + LAS0_CLEAR); readw(dev->mmio + LAS0_CLEAR); -- 2.30.2