linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] staging: comedi: coding style fixes
@ 2015-06-21 20:25 Luis de Bethencourt
  2015-06-22 11:39 ` Sudip Mukherjee
  0 siblings, 1 reply; 2+ messages in thread
From: Luis de Bethencourt @ 2015-06-21 20:25 UTC (permalink / raw)
  To: linux-kernel
  Cc: Ian Abbott, H Hartley Sweeten, Greg Kroah-Hartman, Jaime Arrocha

Warnings found by checkpatch.pl

WARNING: please, no space before tabs
/drivers/staging/comedi/drivers/das16m1.c:83
+  404-407 ^I8254$

WARNING: line over 80 characters
/drivers/staging/comedi/drivers/das16m1.c:414
+   if (devpriv->adc_count == 0 && hw_counter == devpriv->initial_hw_count) {

/drivers/staging/comedi/drivers/das16m1.c:417
/drivers/staging/comedi/drivers/das16m1.c:418
/drivers/staging/comedi/drivers/das16m1.c:419
/drivers/staging/comedi/drivers/das16m1.c:420
/drivers/staging/comedi/drivers/das16m1.c:421

Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
---
 drivers/staging/comedi/drivers/das16m1.c | 41 +++++++++++++++++---------------
 1 file changed, 22 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/comedi/drivers/das16m1.c b/drivers/staging/comedi/drivers/das16m1.c
index a18a887..3a37373 100644
--- a/drivers/staging/comedi/drivers/das16m1.c
+++ b/drivers/staging/comedi/drivers/das16m1.c
@@ -69,18 +69,18 @@ irq can be omitted, although the cmd interface will not work without it.
 
     "cio-das16/m1"
 
-  0	a/d bits 0-3, mux		start 12 bit
-  1	a/d bits 4-11		unused
-  2	status		control
-  3	di 4 bit		do 4 bit
-  4	unused			clear interrupt
-  5	interrupt, pacer
-  6	channel/gain queue address
-  7	channel/gain queue data
-  89ab	8254
-  cdef	8254
-  400	8255
-  404-407 	8254
+  0		a/d bits 0-3, mux		start 12 bit
+  1		a/d bits 4-11		unused
+  2		status		control
+  3		di 4 bit		do 4 bit
+  4		unused			clear interrupt
+  5		interrupt, pacer
+  6		channel/gain queue address
+  7		channel/gain queue data
+  89ab		8254
+  cdef		8254
+  400		8255
+  404-407	8254
 
 */
 
@@ -411,15 +411,18 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status)
 	hw_counter = comedi_8254_read(devpriv->counter, 1);
 	/* make sure hardware counter reading is not bogus due to initial value
 	 * not having been loaded yet */
-	if (devpriv->adc_count == 0 && hw_counter == devpriv->initial_hw_count) {
+	if (devpriv->adc_count == 0 &&
+	    hw_counter == devpriv->initial_hw_count) {
 		num_samples = 0;
 	} else {
-		/* The calculation of num_samples looks odd, but it uses the following facts.
-		 * 16 bit hardware counter is initialized with value of zero (which really
-		 * means 0x1000).  The counter decrements by one on each conversion
-		 * (when the counter decrements from zero it goes to 0xffff).  num_samples
-		 * is a 16 bit variable, so it will roll over in a similar fashion to the
-		 * hardware counter.  Work it out, and this is what you get. */
+		/* The calculation of num_samples looks odd, but it uses the
+		 * following facts. 16 bit hardware counter is initialized with
+		 * value of zero (which really means 0x1000).  The counter
+		 * decrements by one on each conversion (when the counter
+		 * decrements from zero it goes to 0xffff).  num_samples is a
+		 * 16 bit variable, so it will roll over in a similar fashion
+		 * to the hardware counter.  Work it out, and this is what you
+		 * get. */
 		num_samples = -hw_counter - devpriv->adc_count;
 	}
 	/*  check if we only need some of the points */
-- 
2.1.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
Please read the FAQ at  http://www.tux.org/lkml/

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] staging: comedi: coding style fixes
  2015-06-21 20:25 [PATCH] staging: comedi: coding style fixes Luis de Bethencourt
@ 2015-06-22 11:39 ` Sudip Mukherjee
  0 siblings, 0 replies; 2+ messages in thread
From: Sudip Mukherjee @ 2015-06-22 11:39 UTC (permalink / raw)
  To: Luis de Bethencourt
  Cc: linux-kernel, Ian Abbott, H Hartley Sweeten, Greg Kroah-Hartman,
	Jaime Arrocha

On Sun, Jun 21, 2015 at 09:25:30PM +0100, Luis de Bethencourt wrote:
> Warnings found by checkpatch.pl
> 
> WARNING: please, no space before tabs
> /drivers/staging/comedi/drivers/das16m1.c:83
> +  404-407 ^I8254$
> 
> WARNING: line over 80 characters
> /drivers/staging/comedi/drivers/das16m1.c:414
> +   if (devpriv->adc_count == 0 && hw_counter == devpriv->initial_hw_count) {
That is two different type of changes. Please break them into separate
patches.

regards
sudip
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
Please read the FAQ at  http://www.tux.org/lkml/

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2015-06-22 11:39 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-06-21 20:25 [PATCH] staging: comedi: coding style fixes Luis de Bethencourt
2015-06-22 11:39 ` Sudip Mukherjee

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).