commit b3b2b6351a3f3342e6669b5c2defc85f6af75ee3
author Linus Torvalds <torvalds@linux-foundation.org> Mon Nov 01 07:53:19 2010 -0400
committer Linus Torvalds <torvalds@linux-foundation.org> Mon Nov 01 07:53:19 2010 -0400
tree 9b47ae7b0111ab024d719214d2745b128db48beb
parent 90ae83f7fc32733e5829d806306c0c590f1a383f
parent 395bc5121828e570bd4bb6455c82b80e2f2b05b4

Merge branch 'for-linus' of git://www.jni.nu/cris

* 'for-linus' of git://www.jni.nu/cris:
  CRIS: Add paths for CRISv10 serial driver
  CRIS: Fix RS485 delay handling.
  Add missing "struct" to in sizeof.

MAINTAINERS

diff --git a/MAINTAINERS b/MAINTAINERS
index cb8b580..0094224 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1757,6 +1757,7 @@
 W:	http://developer.axis.com
 S:	Maintained
 F:	arch/cris/
+F:	drivers/serial/crisv10.*
 
 CRYPTO API
 M:	Herbert Xu <herbert@gondor.apana.org.au>

drivers/serial/crisv10.c

diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index c856905..fa62578 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -1411,11 +1411,12 @@
 		       CONFIG_ETRAX_RS485_LTC1387_RXEN_PORT_G_BIT, 1);
 #endif
 
-	info->rs485.flags = r->flags;
-	if (r->delay_rts_before_send >= 1000)
+	info->rs485 = *r;
+
+	/* Maximum delay before RTS equal to 1000 */
+	if (info->rs485.delay_rts_before_send >= 1000)
 		info->rs485.delay_rts_before_send = 1000;
-	else
-		info->rs485.delay_rts_before_send = r->delay_rts_before_send;
+
 /*	printk("rts: on send = %i, after = %i, enabled = %i",
 		    info->rs485.rts_on_send,
 		    info->rs485.rts_after_sent,
@@ -3234,9 +3235,9 @@
 		e100_disable_rx(info);
 		e100_enable_rx_irq(info);
 #endif
-
-		if (info->rs485.delay_rts_before_send > 0)
-			msleep(info->rs485.delay_rts_before_send);
+		if ((info->rs485.flags & SER_RS485_RTS_BEFORE_SEND) &&
+			(info->rs485.delay_rts_before_send > 0))
+				msleep(info->rs485.delay_rts_before_send);
 	}
 #endif /* CONFIG_ETRAX_RS485 */
 
@@ -3694,6 +3695,11 @@
 
 		rs485data.delay_rts_before_send = rs485ctrl.delay_rts_before_send;
 		rs485data.flags = 0;
+		if (rs485data.delay_rts_before_send != 0)
+			rs485data.flags |= SER_RS485_RTS_BEFORE_SEND;
+		else
+			rs485data.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
+
 		if (rs485ctrl.enabled)
 			rs485data.flags |= SER_RS485_ENABLED;
 		else
@@ -3731,7 +3737,7 @@
 		/* This is the ioctl to get RS485 data from user-space */
 		if (copy_to_user((struct serial_rs485 *) arg,
 					rs485data,
-					sizeof(serial_rs485)))
+					sizeof(struct serial_rs485)))
 			return -EFAULT;
 		break;
 	}
@@ -4527,6 +4533,7 @@
 		/* Set sane defaults */
 		info->rs485.flags &= ~(SER_RS485_RTS_ON_SEND);
 		info->rs485.flags |= SER_RS485_RTS_AFTER_SEND;
+		info->rs485.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
 		info->rs485.delay_rts_before_send = 0;
 		info->rs485.flags &= ~(SER_RS485_ENABLED);
 #endif