From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Fri, 9 Oct 2015 17:47:45 +0000 (-0700)
Subject: staging: comedi: addi_apci_2032: document the spinlock_t definition
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bb7085b1fbc7eee6d254fe978bd00ffcfe959bf6;p=openwrt%2Fstaging%2Fblogic.git

staging: comedi: addi_apci_2032: document the spinlock_t definition

Add some comments to the private data tp quiet the checkpatch.pl
issue about:

CHECK: spinlock_t definition without comment

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/drivers/addi_apci_2032.c b/drivers/staging/comedi/drivers/addi_apci_2032.c
index e14545dbf076..50f9eb25d7cb 100644
--- a/drivers/staging/comedi/drivers/addi_apci_2032.c
+++ b/drivers/staging/comedi/drivers/addi_apci_2032.c
@@ -44,9 +44,9 @@
 #define APCI2032_WDOG_REG		0x10
 
 struct apci2032_int_private {
-	spinlock_t spinlock;
-	bool active;
-	unsigned char enabled_isns;
+	spinlock_t spinlock;		/* protects the following members */
+	bool active;			/* an async command is running */
+	unsigned char enabled_isns;	/* mask of enabled interrupt channels */
 };
 
 static int apci2032_do_insn_bits(struct comedi_device *dev,