X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fhvc_iseries.c;h=f144a947bd17aaa8549230e307c13def30296822;hb=5a96c5d0c58ead9a0ece03ffe1c116dea6dafe9c;hp=256afc8e583825ced0bc060f4c9fba85c09ff65a;hpb=8bff05b052db7a4cfaaf0eee7f8145600548e9c9;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c
index 256afc8e583..f144a947bd1 100644
--- a/drivers/char/hvc_iseries.c
+++ b/drivers/char/hvc_iseries.c
@@ -29,6 +29,7 @@
 #include <asm/hvconsole.h>
 #include <asm/vio.h>
 #include <asm/prom.h>
+#include <asm/firmware.h>
 #include <asm/iseries/vio.h>
 #include <asm/iseries/hv_call.h>
 #include <asm/iseries/hv_lp_config.h>
@@ -153,9 +154,7 @@ static int put_chars(uint32_t vtermno, const char *buf, int count)
 	spin_lock_irqsave(&consolelock, flags);
 
 	if (viochar_is_console(pi) && !viopath_isactive(pi->lp)) {
-		spin_lock_irqsave(&consoleloglock, flags);
 		HvCall_writeLogBuffer(buf, count);
-		spin_unlock_irqrestore(&consoleloglock, flags);
 		sent = count;
 		goto done;
 	}
@@ -171,11 +170,8 @@ static int put_chars(uint32_t vtermno, const char *buf, int count)
 
 		len = (count > VIOCHAR_MAX_DATA) ? VIOCHAR_MAX_DATA : count;
 
-		if (viochar_is_console(pi)) {
-			spin_lock_irqsave(&consoleloglock, flags);
+		if (viochar_is_console(pi))
 			HvCall_writeLogBuffer(buf, len);
-			spin_unlock_irqrestore(&consoleloglock, flags);
-		}
 
 		init_data_event(viochar, pi->lp);
 
@@ -221,7 +217,8 @@ static int __devinit hvc_vio_probe(struct vio_dev *vdev,
 
 	pi = &port_info[vdev->unit_address];
 
-	hp = hvc_alloc(vdev->unit_address, vdev->irq, &hvc_get_put_ops);
+	hp = hvc_alloc(vdev->unit_address, vdev->irq, &hvc_get_put_ops,
+			VIOCHAR_MAX_DATA);
 	if (IS_ERR(hp))
 		return PTR_ERR(hp);
 	pi->hp = hp;
@@ -492,6 +489,9 @@ static int hvc_vio_init(void)
 	atomic_t wait_flag;
 	int rc;
 
+	if (!firmware_has_feature(FW_FEATURE_ISERIES))
+		return -EIO;
+
 	/* +2 for fudge */
 	rc = viopath_open(HvLpConfig_getPrimaryLpIndex(),
 			viomajorsubtype_chario, VIOCHAR_WINDOW + 2);
@@ -566,7 +566,7 @@ static int hvc_find_vtys(void)
 
 	for (vty = of_find_node_by_name(NULL, "vty"); vty != NULL;
 			vty = of_find_node_by_name(vty, "vty")) {
-		uint32_t *vtermno;
+		const uint32_t *vtermno;
 
 		/* We have statically defined space for only a certain number
 		 * of console adapters.
@@ -575,7 +575,7 @@ static int hvc_find_vtys(void)
 				(num_found >= VTTY_PORTS))
 			break;
 
-		vtermno = (uint32_t *)get_property(vty, "reg", NULL);
+		vtermno = get_property(vty, "reg", NULL);
 		if (!vtermno)
 			continue;