From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Wed, 15 Aug 2007 21:20:57 +0000 (+0000)
Subject: Added comment describing purpose of comedi_set_hw_dev().
X-Git-Tag: r0_7_75~46
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=0e0d6408082cf7f88259c49738cbc9c58a920238;p=comedi.git

Added comment describing purpose of comedi_set_hw_dev().
---

diff --git a/include/linux/comedidev.h b/include/linux/comedidev.h
index 10cf384d..86d24dce 100644
--- a/include/linux/comedidev.h
+++ b/include/linux/comedidev.h
@@ -451,6 +451,8 @@ static inline unsigned int bytes_per_sample( const comedi_subdevice *subd )
 		return sizeof( sampl_t );
 }
 
+/* must be used in attach to set dev->hw_dev if you wish to dma directly
+into comedi's buffer */
 static inline void comedi_set_hw_dev(comedi_device *dev, struct device *hw_dev)
 {
 	if(dev->hw_dev)