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-rw-r--r--drivers/s390/char/con3215.c12
-rw-r--r--drivers/s390/cio/css.c7
-rw-r--r--drivers/s390/cio/css.h3
-rw-r--r--drivers/s390/cio/device.c8
-rw-r--r--drivers/s390/cio/idset.c25
-rw-r--r--drivers/s390/cio/idset.h3
-rw-r--r--drivers/s390/net/qeth_core_main.c24
-rw-r--r--drivers/s390/net/qeth_l2_main.c24
-rw-r--r--drivers/s390/net/qeth_l3_main.c11
-rw-r--r--drivers/s390/net/smsgiucv.c2
10 files changed, 70 insertions, 49 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 9ffb6d5f17a..4ed343e4eb4 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -44,7 +44,6 @@
#define RAW3215_NR_CCWS 3
#define RAW3215_TIMEOUT HZ/10 /* time for delayed output */
-#define RAW3215_FIXED 1 /* 3215 console device is not be freed */
#define RAW3215_WORKING 4 /* set if a request is being worked on */
#define RAW3215_THROTTLED 8 /* set if reading is disabled */
#define RAW3215_STOPPED 16 /* set if writing is disabled */
@@ -339,8 +338,10 @@ static void raw3215_wakeup(unsigned long data)
struct tty_struct *tty;
tty = tty_port_tty_get(&raw->port);
- tty_wakeup(tty);
- tty_kref_put(tty);
+ if (tty) {
+ tty_wakeup(tty);
+ tty_kref_put(tty);
+ }
}
/*
@@ -629,8 +630,7 @@ static void raw3215_shutdown(struct raw3215_info *raw)
DECLARE_WAITQUEUE(wait, current);
unsigned long flags;
- if (!(raw->port.flags & ASYNC_INITIALIZED) ||
- (raw->flags & RAW3215_FIXED))
+ if (!(raw->port.flags & ASYNC_INITIALIZED))
return;
/* Wait for outstanding requests, then free irq */
spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
@@ -926,8 +926,6 @@ static int __init con3215_init(void)
dev_set_drvdata(&cdev->dev, raw);
cdev->handler = raw3215_irq;
- raw->flags |= RAW3215_FIXED;
-
/* Request the console irq */
if (raw3215_startup(raw) != 0) {
raw3215_free_info(raw);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index b4d572f65f0..fd00afd8b85 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -377,7 +377,11 @@ static int css_evaluate_new_subchannel(struct subchannel_id schid, int slow)
/* Will be done on the slow path. */
return -EAGAIN;
}
- if (stsch_err(schid, &schib) || !css_sch_is_valid(&schib)) {
+ if (stsch_err(schid, &schib)) {
+ /* Subchannel is not provided. */
+ return -ENXIO;
+ }
+ if (!css_sch_is_valid(&schib)) {
/* Unusable - ignore. */
return 0;
}
@@ -536,6 +540,7 @@ static int slow_eval_unknown_fn(struct subchannel_id schid, void *data)
case -ENOMEM:
case -EIO:
/* These should abort looping */
+ idset_sch_del_subseq(slow_subchannel_set, schid);
break;
default:
rc = 0;
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 33bb4d891e1..4af3dfe70ef 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -112,9 +112,6 @@ extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *);
extern void css_reiterate_subchannels(void);
void css_update_ssd_info(struct subchannel *sch);
-#define __MAX_SUBCHANNEL 65535
-#define __MAX_SSID 3
-
struct channel_subsystem {
u8 cssid;
int valid;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index fc916f5d731..fd3143c291c 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1424,7 +1424,7 @@ static enum io_sch_action sch_get_action(struct subchannel *sch)
}
if (device_is_disconnected(cdev))
return IO_SCH_REPROBE;
- if (cdev->online)
+ if (cdev->online && !cdev->private->flags.resuming)
return IO_SCH_VERIFY;
if (cdev->private->state == DEV_STATE_NOT_OPER)
return IO_SCH_UNREG_ATTACH;
@@ -1469,12 +1469,6 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
rc = 0;
goto out_unlock;
case IO_SCH_VERIFY:
- if (cdev->private->flags.resuming == 1) {
- if (cio_enable_subchannel(sch, (u32)(addr_t)sch)) {
- ccw_device_set_notoper(cdev);
- break;
- }
- }
/* Trigger path verification. */
io_subchannel_verify(sch);
rc = 0;
diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c
index e6d5f8c4952..65d13e38803 100644
--- a/drivers/s390/cio/idset.c
+++ b/drivers/s390/cio/idset.c
@@ -1,9 +1,10 @@
/*
- * Copyright IBM Corp. 2007
+ * Copyright IBM Corp. 2007, 2012
* Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
*/
#include <linux/vmalloc.h>
+#include <linux/bitmap.h>
#include <linux/bitops.h>
#include "idset.h"
#include "css.h"
@@ -89,6 +90,14 @@ void idset_sch_del(struct idset *set, struct subchannel_id schid)
idset_del(set, schid.ssid, schid.sch_no);
}
+/* Clear ids starting from @schid up to end of subchannel set. */
+void idset_sch_del_subseq(struct idset *set, struct subchannel_id schid)
+{
+ int pos = schid.ssid * set->num_id + schid.sch_no;
+
+ bitmap_clear(set->bitmap, pos, set->num_id - schid.sch_no);
+}
+
int idset_sch_contains(struct idset *set, struct subchannel_id schid)
{
return idset_contains(set, schid.ssid, schid.sch_no);
@@ -111,20 +120,12 @@ int idset_sch_get_first(struct idset *set, struct subchannel_id *schid)
int idset_is_empty(struct idset *set)
{
- int bitnum;
-
- bitnum = find_first_bit(set->bitmap, set->num_ssid * set->num_id);
- if (bitnum >= set->num_ssid * set->num_id)
- return 1;
- return 0;
+ return bitmap_empty(set->bitmap, set->num_ssid * set->num_id);
}
void idset_add_set(struct idset *to, struct idset *from)
{
- unsigned long i, len;
+ int len = min(to->num_ssid * to->num_id, from->num_ssid * from->num_id);
- len = min(__BITOPS_WORDS(to->num_ssid * to->num_id),
- __BITOPS_WORDS(from->num_ssid * from->num_id));
- for (i = 0; i < len ; i++)
- to->bitmap[i] |= from->bitmap[i];
+ bitmap_or(to->bitmap, to->bitmap, from->bitmap, len);
}
diff --git a/drivers/s390/cio/idset.h b/drivers/s390/cio/idset.h
index 3d943f03591..06d3bc01bb0 100644
--- a/drivers/s390/cio/idset.h
+++ b/drivers/s390/cio/idset.h
@@ -1,5 +1,5 @@
/*
- * Copyright IBM Corp. 2007
+ * Copyright IBM Corp. 2007, 2012
* Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
*/
@@ -17,6 +17,7 @@ void idset_fill(struct idset *set);
struct idset *idset_sch_new(void);
void idset_sch_add(struct idset *set, struct subchannel_id id);
void idset_sch_del(struct idset *set, struct subchannel_id id);
+void idset_sch_del_subseq(struct idset *set, struct subchannel_id schid);
int idset_sch_contains(struct idset *set, struct subchannel_id id);
int idset_sch_get_first(struct idset *set, struct subchannel_id *id);
int idset_is_empty(struct idset *set);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 3e25d315045..4d6ba00d004 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -2942,13 +2942,33 @@ static int qeth_query_ipassists_cb(struct qeth_card *card,
QETH_DBF_TEXT(SETUP, 2, "qipasscb");
cmd = (struct qeth_ipa_cmd *) data;
+
+ switch (cmd->hdr.return_code) {
+ case IPA_RC_NOTSUPP:
+ case IPA_RC_L2_UNSUPPORTED_CMD:
+ QETH_DBF_TEXT(SETUP, 2, "ipaunsup");
+ card->options.ipa4.supported_funcs |= IPA_SETADAPTERPARMS;
+ card->options.ipa6.supported_funcs |= IPA_SETADAPTERPARMS;
+ return -0;
+ default:
+ if (cmd->hdr.return_code) {
+ QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Unhandled "
+ "rc=%d\n",
+ dev_name(&card->gdev->dev),
+ cmd->hdr.return_code);
+ return 0;
+ }
+ }
+
if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
- } else {
+ } else if (cmd->hdr.prot_version == QETH_PROT_IPV6) {
card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
- }
+ } else
+ QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Flawed LIC detected"
+ "\n", dev_name(&card->gdev->dev));
QETH_DBF_TEXT(SETUP, 2, "suppenbl");
QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_supported);
QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_enabled);
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 2db409330c2..fddb62654b6 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -626,10 +626,13 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
QETH_DBF_TEXT(SETUP, 2, "doL2init");
QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card));
- rc = qeth_query_setadapterparms(card);
- if (rc) {
- QETH_DBF_MESSAGE(2, "could not query adapter parameters on "
- "device %s: x%x\n", CARD_BUS_ID(card), rc);
+ if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) {
+ rc = qeth_query_setadapterparms(card);
+ if (rc) {
+ QETH_DBF_MESSAGE(2, "could not query adapter "
+ "parameters on device %s: x%x\n",
+ CARD_BUS_ID(card), rc);
+ }
}
if (card->info.type == QETH_CARD_TYPE_IQD ||
@@ -676,7 +679,7 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
return -ERESTARTSYS;
}
rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]);
- if (!rc)
+ if (!rc || (rc == IPA_RC_L2_MAC_NOT_FOUND))
rc = qeth_l2_send_setmac(card, addr->sa_data);
return rc ? -EINVAL : 0;
}
@@ -1141,11 +1144,12 @@ static int qeth_l2_recover(void *ptr)
dev_info(&card->gdev->dev,
"Device successfully recovered!\n");
else {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
- dev_warn(&card->gdev->dev, "The qeth device driver "
- "failed to recover an error on the device\n");
+ if (rtnl_trylock()) {
+ dev_close(card->dev);
+ rtnl_unlock();
+ dev_warn(&card->gdev->dev, "The qeth device driver "
+ "failed to recover an error on the device\n");
+ }
}
qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 4cd310cb5bd..5ba39065849 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3510,11 +3510,12 @@ static int qeth_l3_recover(void *ptr)
dev_info(&card->gdev->dev,
"Device successfully recovered!\n");
else {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
- dev_warn(&card->gdev->dev, "The qeth device driver "
- "failed to recover an error on the device\n");
+ if (rtnl_trylock()) {
+ dev_close(card->dev);
+ rtnl_unlock();
+ dev_warn(&card->gdev->dev, "The qeth device driver "
+ "failed to recover an error on the device\n");
+ }
}
qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 207b7d74244..d8f990b6b33 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -157,7 +157,7 @@ static int smsg_pm_restore_thaw(struct device *dev)
#ifdef CONFIG_PM_DEBUG
printk(KERN_WARNING "smsg_pm_restore_thaw\n");
#endif
- if (smsg_path && iucv_path_connected) {
+ if (smsg_path && !iucv_path_connected) {
memset(smsg_path, 0, sizeof(*smsg_path));
smsg_path->msglim = 255;
smsg_path->flags = 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-16 20:48:51 +0000