linux-kernel - [PATCH 15/32] staging: comedi: das08: rename and rewrite DAS08

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Date:	Fri,  5 Jun 2015 18:30:18 +0100
From:	Ian Abbott <abbotti@....co.uk>
To:	<driverdev-devel@...uxdriverproject.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ian Abbott <abbotti@....co.uk>,
	H Hartley Sweeten <hsweeten@...ionengravers.com>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH 15/32] staging: comedi: das08: rename and rewrite DAS08_INTE

The `DAS08_INTE` macro contains a mask for the "INTE" bit in the control
register (except on "JR" boards).  Setting it to 1 enables interrupts.
Setting it to 0 disables interrupts and clears the "IRQ" bit in the
status register.  Rename the macro to `DAS08_CONTROL_INTE` and add a
comment.  Also use the `BIT()` macro to define its value.  (Note: the
driver does not currently enable interrupts.)

Signed-off-by: Ian Abbott <abbotti@....co.uk>
---
 drivers/staging/comedi/drivers/das08.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c
index f0ee617..9898ac0 100644
--- a/drivers/staging/comedi/drivers/das08.c
+++ b/drivers/staging/comedi/drivers/das08.c
@@ -74,7 +74,7 @@
  */
 #define DAS08_CONTROL_MUX_MASK	0x7	/* multiplexor channel mask */
 #define DAS08_CONTROL_MUX(x)	((x) & DAS08_CONTROL_MUX_MASK) /* mux channel */
-#define   DAS08_INTE			(1<<3)
+#define DAS08_CONTROL_INTE	BIT(3)	/* interrupt enable (not "JR" boards) */
 #define   DAS08_DO_MASK		0xf0
 #define   DAS08_OP(x)		(((x) << 4) & DAS08_DO_MASK)
 
-- 
2.1.4

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