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authorKernel Build Daemon <kbuild@suse.de>2019-12-13 07:00:30 +0100
committerKernel Build Daemon <kbuild@suse.de>2019-12-13 07:00:30 +0100
commitf1f3a21ea0a9e10d793d0d4ad33b2cf97f9f2ae6 (patch)
treed8e124a395412bbc61adbfe045e7bfec694bd8c9
parenta7f0d9c9323ac09fbd2e4fe785e68515d7768603 (diff)
parent1d2ae4369ee5f75753f2f470426edbb0baba7067 (diff)
Merge branch 'SLE15' into SLE12-SP4
-rw-r--r--arch/powerpc/platforms/pseries/mobility.c21
-rw-r--r--drivers/media/i2c/soc_camera/ov6650.c6
-rw-r--r--drivers/media/usb/uvc/uvc_driver.c29
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c192
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.h2
-rw-r--r--drivers/net/wimax/i2400m/op-rfkill.c1
6 files changed, 208 insertions, 43 deletions
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
index 96f4afd9ae98..7b0516334525 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -19,6 +19,9 @@
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/slab.h>
+#include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
+#include <net/net_namespace.h>
#include <asm/machdep.h>
#include <asm/rtas.h>
@@ -333,6 +336,8 @@ void post_mobility_fixup(void)
{
int rc;
int activate_fw_token;
+ struct net_device *netdev;
+ struct net *net;
activate_fw_token = rtas_token("ibm,activate-firmware");
if (activate_fw_token == RTAS_UNKNOWN_SERVICE) {
@@ -373,6 +378,22 @@ void post_mobility_fixup(void)
/* Possibly switch to a new RFI flush type */
pseries_setup_rfi_flush();
+ /* need to force a gratuitous ARP on running interfaces */
+ rtnl_lock();
+ for_each_net(net) {
+ for_each_netdev(net, netdev) {
+ if (netif_device_present(netdev) &&
+ netif_running(netdev) &&
+ !(netdev->flags & (IFF_NOARP | IFF_LOOPBACK))) {
+ call_netdevice_notifiers(NETDEV_NOTIFY_PEERS,
+ netdev);
+ call_netdevice_notifiers(NETDEV_RESEND_IGMP,
+ netdev);
+ }
+ }
+ }
+ rtnl_unlock();
+
return;
}
diff --git a/drivers/media/i2c/soc_camera/ov6650.c b/drivers/media/i2c/soc_camera/ov6650.c
index a40bc0a0e02b..e7c0799e572d 100644
--- a/drivers/media/i2c/soc_camera/ov6650.c
+++ b/drivers/media/i2c/soc_camera/ov6650.c
@@ -1031,8 +1031,10 @@ static int ov6650_probe(struct i2c_client *client,
V4L2_CID_GAMMA, 0, 0xff, 1, 0x12);
priv->subdev.ctrl_handler = &priv->hdl;
- if (priv->hdl.error)
- return priv->hdl.error;
+ if (priv->hdl.error) {
+ ret = priv->hdl.error;
+ goto ectlhdlfree;
+ }
v4l2_ctrl_auto_cluster(2, &priv->autogain, 0, true);
v4l2_ctrl_auto_cluster(3, &priv->autowb, 0, true);
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index c506e789166c..9d257dd8afc2 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -2056,6 +2056,20 @@ static int uvc_probe(struct usb_interface *intf,
le16_to_cpu(udev->descriptor.idVendor),
le16_to_cpu(udev->descriptor.idProduct));
+ /* Initialize the media device. */
+#ifdef CONFIG_MEDIA_CONTROLLER
+ dev->mdev.dev = &intf->dev;
+ strscpy(dev->mdev.model, dev->name, sizeof(dev->mdev.model));
+ if (udev->serial)
+ strscpy(dev->mdev.serial, udev->serial,
+ sizeof(dev->mdev.serial));
+ usb_make_path(udev, dev->mdev.bus_info, sizeof(dev->mdev.bus_info));
+ dev->mdev.hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
+ media_device_init(&dev->mdev);
+
+ dev->vdev.mdev = &dev->mdev;
+#endif
+
/* Parse the Video Class control descriptor. */
if (uvc_parse_control(dev) < 0) {
uvc_trace(UVC_TRACE_PROBE, "Unable to parse UVC "
@@ -2076,20 +2090,7 @@ static int uvc_probe(struct usb_interface *intf,
"linux-uvc-devel mailing list.\n");
}
- /* Initialize the media device and register the V4L2 device. */
-#ifdef CONFIG_MEDIA_CONTROLLER
- dev->mdev.dev = &intf->dev;
- strlcpy(dev->mdev.model, dev->name, sizeof(dev->mdev.model));
- if (udev->serial)
- strlcpy(dev->mdev.serial, udev->serial,
- sizeof(dev->mdev.serial));
- strscpy(dev->mdev.bus_info, udev->devpath, sizeof(dev->mdev.bus_info));
- dev->mdev.hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
- dev->mdev.driver_version = LINUX_VERSION_CODE;
- media_device_init(&dev->mdev);
-
- dev->vdev.mdev = &dev->mdev;
-#endif
+ /* Register the V4L2 device. */
if (v4l2_device_register(&intf->dev, &dev->vdev) < 0)
goto error;
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 6790348e749e..24f53958ff00 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -170,6 +170,40 @@ static long h_reg_sub_crq(unsigned long unit_address, unsigned long token,
return rc;
}
+/**
+ * ibmvnic_wait_for_completion - Check device state and wait for completion
+ * @adapter: private device data
+ * @comp_done: completion structure to wait for
+ * @timeout: time to wait in milliseconds
+ *
+ * Wait for a completion signal or until the timeout limit is reached
+ * while checking that the device is still active.
+ */
+static int ibmvnic_wait_for_completion(struct ibmvnic_adapter *adapter,
+ struct completion *comp_done,
+ unsigned long timeout)
+{
+ struct net_device *netdev;
+ unsigned long div_timeout;
+ u8 retry;
+
+ netdev = adapter->netdev;
+ retry = 5;
+ div_timeout = msecs_to_jiffies(timeout / retry);
+ while (true) {
+ if (!adapter->crq.active) {
+ netdev_err(netdev, "Device down!\n");
+ return -ENODEV;
+ }
+ if (!retry--)
+ break;
+ if (wait_for_completion_timeout(comp_done, div_timeout))
+ return 0;
+ }
+ netdev_err(netdev, "Operation timed out.\n");
+ return -ETIMEDOUT;
+}
+
static int alloc_long_term_buff(struct ibmvnic_adapter *adapter,
struct ibmvnic_long_term_buff *ltb, int size)
{
@@ -187,21 +221,35 @@ static int alloc_long_term_buff(struct ibmvnic_adapter *adapter,
ltb->map_id = adapter->map_id;
adapter->map_id++;
- init_completion(&adapter->fw_done);
+ mutex_lock(&adapter->fw_lock);
+ adapter->fw_done_rc = 0;
+ reinit_completion(&adapter->fw_done);
rc = send_request_map(adapter, ltb->addr,
ltb->size, ltb->map_id);
if (rc) {
dma_free_coherent(dev, ltb->size, ltb->buff, ltb->addr);
+ mutex_unlock(&adapter->fw_lock);
+ return rc;
+ }
+
+ rc = ibmvnic_wait_for_completion(adapter, &adapter->fw_done, 10000);
+ if (rc) {
+ dev_err(dev,
+ "Long term map request aborted or timed out,rc = %d\n",
+ rc);
+ dma_free_coherent(dev, ltb->size, ltb->buff, ltb->addr);
+ mutex_unlock(&adapter->fw_lock);
return rc;
}
- wait_for_completion(&adapter->fw_done);
if (adapter->fw_done_rc) {
dev_err(dev, "Couldn't map long term buffer,rc = %d\n",
adapter->fw_done_rc);
dma_free_coherent(dev, ltb->size, ltb->buff, ltb->addr);
+ mutex_unlock(&adapter->fw_lock);
return -1;
}
+ mutex_unlock(&adapter->fw_lock);
return 0;
}
@@ -222,22 +270,37 @@ static void free_long_term_buff(struct ibmvnic_adapter *adapter,
static int reset_long_term_buff(struct ibmvnic_adapter *adapter,
struct ibmvnic_long_term_buff *ltb)
{
+ struct device *dev = &adapter->vdev->dev;
int rc;
memset(ltb->buff, 0, ltb->size);
- init_completion(&adapter->fw_done);
+ mutex_lock(&adapter->fw_lock);
+ adapter->fw_done_rc = 0;
+
+ reinit_completion(&adapter->fw_done);
rc = send_request_map(adapter, ltb->addr, ltb->size, ltb->map_id);
- if (rc)
+ if (rc) {
+ mutex_unlock(&adapter->fw_lock);
+ return rc;
+ }
+
+ rc = ibmvnic_wait_for_completion(adapter, &adapter->fw_done, 10000);
+ if (rc) {
+ dev_info(dev,
+ "Reset failed, long term map request timed out or aborted\n");
+ mutex_unlock(&adapter->fw_lock);
return rc;
- wait_for_completion(&adapter->fw_done);
+ }
if (adapter->fw_done_rc) {
- dev_info(&adapter->vdev->dev,
+ dev_info(dev,
"Reset failed, attempting to free and reallocate buffer\n");
free_long_term_buff(adapter, ltb);
+ mutex_unlock(&adapter->fw_lock);
return alloc_long_term_buff(adapter, ltb, ltb->size);
}
+ mutex_unlock(&adapter->fw_lock);
return 0;
}
@@ -954,13 +1017,25 @@ static int ibmvnic_get_vpd(struct ibmvnic_adapter *adapter)
if (adapter->vpd->buff)
len = adapter->vpd->len;
- init_completion(&adapter->fw_done);
+ mutex_lock(&adapter->fw_lock);
+ adapter->fw_done_rc = 0;
+ reinit_completion(&adapter->fw_done);
+
crq.get_vpd_size.first = IBMVNIC_CRQ_CMD;
crq.get_vpd_size.cmd = GET_VPD_SIZE;
rc = ibmvnic_send_crq(adapter, &crq);
- if (rc)
+ if (rc) {
+ mutex_unlock(&adapter->fw_lock);
return rc;
- wait_for_completion(&adapter->fw_done);
+ }
+
+ rc = ibmvnic_wait_for_completion(adapter, &adapter->fw_done, 10000);
+ if (rc) {
+ dev_err(dev, "Could not retrieve VPD size, rc = %d\n", rc);
+ mutex_unlock(&adapter->fw_lock);
+ return rc;
+ }
+ mutex_unlock(&adapter->fw_lock);
if (!adapter->vpd->len)
return -ENODATA;
@@ -987,7 +1062,10 @@ static int ibmvnic_get_vpd(struct ibmvnic_adapter *adapter)
return -ENOMEM;
}
+ mutex_lock(&adapter->fw_lock);
+ adapter->fw_done_rc = 0;
reinit_completion(&adapter->fw_done);
+
crq.get_vpd.first = IBMVNIC_CRQ_CMD;
crq.get_vpd.cmd = GET_VPD;
crq.get_vpd.ioba = cpu_to_be32(adapter->vpd->dma_addr);
@@ -996,10 +1074,20 @@ static int ibmvnic_get_vpd(struct ibmvnic_adapter *adapter)
if (rc) {
kfree(adapter->vpd->buff);
adapter->vpd->buff = NULL;
+ mutex_unlock(&adapter->fw_lock);
+ return rc;
+ }
+
+ rc = ibmvnic_wait_for_completion(adapter, &adapter->fw_done, 10000);
+ if (rc) {
+ dev_err(dev, "Unable to retrieve VPD, rc = %d\n", rc);
+ kfree(adapter->vpd->buff);
+ adapter->vpd->buff = NULL;
+ mutex_unlock(&adapter->fw_lock);
return rc;
}
- wait_for_completion(&adapter->fw_done);
+ mutex_unlock(&adapter->fw_lock);
return 0;
}
@@ -1700,20 +1788,25 @@ static int __ibmvnic_set_mac(struct net_device *netdev, u8 *dev_addr)
crq.change_mac_addr.cmd = CHANGE_MAC_ADDR;
ether_addr_copy(&crq.change_mac_addr.mac_addr[0], dev_addr);
- init_completion(&adapter->fw_done);
+ mutex_lock(&adapter->fw_lock);
+ adapter->fw_done_rc = 0;
+ reinit_completion(&adapter->fw_done);
+
rc = ibmvnic_send_crq(adapter, &crq);
if (rc) {
rc = -EIO;
+ mutex_unlock(&adapter->fw_lock);
goto err;
}
- wait_for_completion(&adapter->fw_done);
+ rc = ibmvnic_wait_for_completion(adapter, &adapter->fw_done, 10000);
/* netdev->dev_addr is changed in handle_change_mac_rsp function */
- if (adapter->fw_done_rc) {
+ if (rc || adapter->fw_done_rc) {
rc = -EIO;
+ mutex_unlock(&adapter->fw_lock);
goto err;
}
-
+ mutex_unlock(&adapter->fw_lock);
return 0;
err:
ether_addr_copy(adapter->mac_addr, netdev->dev_addr);
@@ -2327,12 +2420,19 @@ static int wait_for_reset(struct ibmvnic_adapter *adapter)
adapter->fallback.rx_entries = adapter->req_rx_add_entries_per_subcrq;
adapter->fallback.tx_entries = adapter->req_tx_entries_per_subcrq;
- init_completion(&adapter->reset_done);
+ reinit_completion(&adapter->reset_done);
adapter->wait_for_reset = true;
rc = ibmvnic_reset(adapter, VNIC_RESET_CHANGE_PARAM);
- if (rc)
- return rc;
- wait_for_completion(&adapter->reset_done);
+
+ if (rc) {
+ ret = rc;
+ goto out;
+ }
+ rc = ibmvnic_wait_for_completion(adapter, &adapter->reset_done, 60000);
+ if (rc) {
+ ret = -ENODEV;
+ goto out;
+ }
ret = 0;
if (adapter->reset_done_rc) {
@@ -2343,13 +2443,21 @@ static int wait_for_reset(struct ibmvnic_adapter *adapter)
adapter->desired.rx_entries = adapter->fallback.rx_entries;
adapter->desired.tx_entries = adapter->fallback.tx_entries;
- init_completion(&adapter->reset_done);
+ reinit_completion(&adapter->reset_done);
adapter->wait_for_reset = true;
rc = ibmvnic_reset(adapter, VNIC_RESET_CHANGE_PARAM);
- if (rc)
- return ret;
- wait_for_completion(&adapter->reset_done);
+ if (rc) {
+ ret = rc;
+ goto out;
+ }
+ rc = ibmvnic_wait_for_completion(adapter, &adapter->reset_done,
+ 60000);
+ if (rc) {
+ ret = -ENODEV;
+ goto out;
+ }
}
+out:
adapter->wait_for_reset = false;
return ret;
@@ -2614,11 +2722,13 @@ static void ibmvnic_get_ethtool_stats(struct net_device *dev,
cpu_to_be32(sizeof(struct ibmvnic_statistics));
/* Wait for data to be written */
- init_completion(&adapter->stats_done);
+ reinit_completion(&adapter->stats_done);
rc = ibmvnic_send_crq(adapter, &crq);
if (rc)
return;
- wait_for_completion(&adapter->stats_done);
+ rc = ibmvnic_wait_for_completion(adapter, &adapter->stats_done, 10000);
+ if (rc)
+ return;
for (i = 0; i < ARRAY_SIZE(ibmvnic_stats); i++)
data[i] = be64_to_cpu(IBMVNIC_GET_STAT(adapter,
@@ -4419,11 +4529,24 @@ static int send_query_phys_parms(struct ibmvnic_adapter *adapter)
memset(&crq, 0, sizeof(crq));
crq.query_phys_parms.first = IBMVNIC_CRQ_CMD;
crq.query_phys_parms.cmd = QUERY_PHYS_PARMS;
- init_completion(&adapter->fw_done);
+
+ mutex_lock(&adapter->fw_lock);
+ adapter->fw_done_rc = 0;
+ reinit_completion(&adapter->fw_done);
+
rc = ibmvnic_send_crq(adapter, &crq);
- if (rc)
+ if (rc) {
+ mutex_unlock(&adapter->fw_lock);
return rc;
- wait_for_completion(&adapter->fw_done);
+ }
+
+ rc = ibmvnic_wait_for_completion(adapter, &adapter->fw_done, 10000);
+ if (rc) {
+ mutex_unlock(&adapter->fw_lock);
+ return rc;
+ }
+
+ mutex_unlock(&adapter->fw_lock);
return adapter->fw_done_rc ? -EIO : 0;
}
@@ -4515,6 +4638,15 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
case IBMVNIC_CRQ_XPORT_EVENT:
netif_carrier_off(netdev);
adapter->crq.active = false;
+ /* terminate any thread waiting for a response
+ * from the device
+ */
+ if (!completion_done(&adapter->fw_done)) {
+ adapter->fw_done_rc = -EIO;
+ complete(&adapter->fw_done);
+ }
+ if (!completion_done(&adapter->stats_done))
+ complete(&adapter->stats_done);
if (test_bit(0, &adapter->resetting))
adapter->force_reset_recovery = true;
if (gen_crq->cmd == IBMVNIC_PARTITION_MIGRATED) {
@@ -4969,7 +5101,11 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id)
__ibmvnic_delayed_reset);
INIT_LIST_HEAD(&adapter->rwi_list);
spin_lock_init(&adapter->rwi_lock);
+ mutex_init(&adapter->fw_lock);
init_completion(&adapter->init_done);
+ init_completion(&adapter->fw_done);
+ init_completion(&adapter->reset_done);
+ init_completion(&adapter->stats_done);
clear_bit(0, &adapter->resetting);
do {
@@ -5027,6 +5163,7 @@ ibmvnic_stats_fail:
ibmvnic_init_fail:
release_sub_crqs(adapter, 1);
release_crq_queue(adapter);
+ mutex_destroy(&adapter->fw_lock);
free_netdev(netdev);
return rc;
@@ -5051,6 +5188,7 @@ static int ibmvnic_remove(struct vio_dev *dev)
adapter->state = VNIC_REMOVED;
rtnl_unlock();
+ mutex_destroy(&adapter->fw_lock);
device_remove_file(&dev->dev, &dev_attr_failover);
free_netdev(netdev);
dev_set_drvdata(&dev->dev, NULL);
diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h
index ef050f948128..342292c87615 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.h
+++ b/drivers/net/ethernet/ibm/ibmvnic.h
@@ -1037,6 +1037,8 @@ struct ibmvnic_adapter {
int init_done_rc;
struct completion fw_done;
+ /* Used for serialization of device commands */
+ struct mutex fw_lock;
int fw_done_rc;
struct completion reset_done;
diff --git a/drivers/net/wimax/i2400m/op-rfkill.c b/drivers/net/wimax/i2400m/op-rfkill.c
index b0dba35a8ad2..dc6fe93ce71f 100644
--- a/drivers/net/wimax/i2400m/op-rfkill.c
+++ b/drivers/net/wimax/i2400m/op-rfkill.c
@@ -147,6 +147,7 @@ error_msg_to_dev:
error_alloc:
d_fnend(4, dev, "(wimax_dev %p state %d) = %d\n",
wimax_dev, state, result);
+ kfree(cmd);
return result;
}