[dahdi-commits] tzafrir: branch linux/2.5 r10353 - /linux/branches/2.5/drivers/dahdi/xpp/

[SVN commits to the DAHDI project]

Author: tzafrir
Date: Wed Nov 30 04:22:01 2011
New Revision: 10353

URL: http://svnview.digium.com/svn/dahdi?view=rev&rev=10353
Log:
xpp: pri: fix RS1 init in E1 CAS mode

Force some reserved bits to really be 1 in E1 mode (otherwise
terrorists will win).

(Closes issue DAHLIN-264)

Signed-off-by: Oron Peled <oron.peled at xorcom.com>

Modified:
    linux/branches/2.5/drivers/dahdi/xpp/card_pri.c

Modified: linux/branches/2.5/drivers/dahdi/xpp/card_pri.c
URL: http://svnview.digium.com/svn/dahdi/linux/branches/2.5/drivers/dahdi/xpp/card_pri.c?view=diff&rev=10353&r1=10352&r2=10353
==============================================================================
--- linux/branches/2.5/drivers/dahdi/xpp/card_pri.c (original)
+++ linux/branches/2.5/drivers/dahdi/xpp/card_pri.c Wed Nov 30 04:22:01 2011
@@ -1019,6 +1019,17 @@
 	}
 #endif
 	if(force_cas) {
+		if(priv->pri_protocol == PRI_PROTO_E1) {
+			int	rs1 = 0x0B;
+
+			/*
+			 * Set correct X1-X3 bits in the E1 CAS MFAS
+			 * They are unused in E1 and should be 1
+			 */
+			XPD_DBG(GENERAL, xpd, "%s: rs1(0x%02X) = 0x%02X\n",
+				__FUNCTION__, REG_RS1_E, rs1);
+			write_subunit(xpd, REG_RS1_E, rs1);
+		}
 		xsp |= REG_XSP_E_CASEN;	/* Same as REG_FMR5_T_EIBR for T1 */
 	}
 	XPD_DBG(GENERAL, xpd, "%s: xsp(0x%02X) = 0x%02X\n", __FUNCTION__, REG_XSP_E, xsp);