From: Wendy Liang <jliang@xilinx.com>
Date: Fri, 8 Jul 2016 16:55:29 +0000 (-0700)
Subject: rpmsg: Not convert va to pa when getting tx/rx buf
X-Git-Tag: v2016.10~93
X-Git-Url: https://git.ti.com/gitweb?p=processor-sdk%2Fopen-amp.git;a=commitdiff_plain;h=ab8715bca127baf54d473c5c58a2f3c770eb0aca

rpmsg: Not convert va to pa when getting tx/rx buf

Logical address should be used of the buffer got from
rpmsg_get_tx_buffer. We should not convert logical
address back to physical address for the buffer need to
be returned.

Signed-off-by: Wendy Liang <jliang@xilinx.com>
---

diff --git a/lib/rpmsg/rpmsg_core.c b/lib/rpmsg/rpmsg_core.c
index d282763..d389e8d 100644
--- a/lib/rpmsg/rpmsg_core.c
+++ b/lib/rpmsg/rpmsg_core.c
@@ -413,7 +413,7 @@ void *rpmsg_get_tx_buffer(struct remote_device *rdev, unsigned long *len,
 		    virtqueue_get_available_buffer(rdev->tvq, idx,
 						   (uint32_t *) len);
 	}
-	return ((void *)env_map_vatopa(data));
+	return data;
 }
 
 /**
@@ -440,7 +440,7 @@ void *rpmsg_get_rx_buffer(struct remote_device *rdev, unsigned long *len,
 		    virtqueue_get_available_buffer(rdev->rvq, idx,
 						   (uint32_t *) len);
 	}
-	return ((void *)env_map_vatopa(data));
+	return data;
 }
 
 /**