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path: root/drivers/net/wireless/prism54/islpci_mgt.c
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Diffstat (limited to 'drivers/net/wireless/prism54/islpci_mgt.c')
-rw-r--r--drivers/net/wireless/prism54/islpci_mgt.c51
1 files changed, 20 insertions, 31 deletions
diff --git a/drivers/net/wireless/prism54/islpci_mgt.c b/drivers/net/wireless/prism54/islpci_mgt.c
index b6f2e5a223b..0de14dfa68c 100644
--- a/drivers/net/wireless/prism54/islpci_mgt.c
+++ b/drivers/net/wireless/prism54/islpci_mgt.c
@@ -1,5 +1,4 @@
/*
- *
* Copyright (C) 2002 Intersil Americas Inc.
* Copyright 2004 Jens Maurer <Jens.Maurer@gmx.net>
*
@@ -13,18 +12,17 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
-#include <linux/config.h>
#include <linux/netdevice.h>
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
#include <asm/io.h>
-#include <asm/system.h>
#include <linux/if_arp.h>
#include "prismcompat.h"
@@ -114,7 +112,7 @@ islpci_mgmt_rx_fill(struct net_device *ndev)
u32 curr = le32_to_cpu(cb->driver_curr_frag[ISL38XX_CB_RX_MGMTQ]);
#if VERBOSE > SHOW_ERROR_MESSAGES
- DEBUG(SHOW_FUNCTION_CALLS, "islpci_mgmt_rx_fill \n");
+ DEBUG(SHOW_FUNCTION_CALLS, "islpci_mgmt_rx_fill\n");
#endif
while (curr - priv->index_mgmt_rx < ISL38XX_CB_MGMT_QSIZE) {
@@ -124,11 +122,8 @@ islpci_mgmt_rx_fill(struct net_device *ndev)
if (buf->mem == NULL) {
buf->mem = kmalloc(MGMT_FRAME_SIZE, GFP_ATOMIC);
- if (!buf->mem) {
- printk(KERN_WARNING
- "Error allocating management frame.\n");
+ if (!buf->mem)
return -ENOMEM;
- }
buf->size = MGMT_FRAME_SIZE;
}
if (buf->pci_addr == 0) {
@@ -137,7 +132,7 @@ islpci_mgmt_rx_fill(struct net_device *ndev)
PCI_DMA_FROMDEVICE);
if (!buf->pci_addr) {
printk(KERN_WARNING
- "Failed to make memory DMA'able\n.");
+ "Failed to make memory DMA'able.\n");
return -ENOMEM;
}
}
@@ -192,11 +187,9 @@ islpci_mgt_transmit(struct net_device *ndev, int operation, unsigned long oid,
err = -ENOMEM;
p = buf.mem = kmalloc(frag_len, GFP_KERNEL);
- if (!buf.mem) {
- printk(KERN_DEBUG "%s: cannot allocate mgmt frame\n",
- ndev->name);
+ if (!buf.mem)
goto error;
- }
+
buf.size = frag_len;
/* create the header directly in the fragment data area */
@@ -212,7 +205,7 @@ islpci_mgt_transmit(struct net_device *ndev, int operation, unsigned long oid,
{
pimfor_header_t *h = buf.mem;
DEBUG(SHOW_PIMFOR_FRAMES,
- "PIMFOR: op %i, oid 0x%08lx, device %i, flags 0x%x length 0x%x \n",
+ "PIMFOR: op %i, oid 0x%08lx, device %i, flags 0x%x length 0x%x\n",
h->operation, oid, h->device_id, h->flags, length);
/* display the buffer contents for debugging */
@@ -280,7 +273,7 @@ islpci_mgt_receive(struct net_device *ndev)
u32 curr_frag;
#if VERBOSE > SHOW_ERROR_MESSAGES
- DEBUG(SHOW_FUNCTION_CALLS, "islpci_mgt_receive \n");
+ DEBUG(SHOW_FUNCTION_CALLS, "islpci_mgt_receive\n");
#endif
/* Only once per interrupt, determine fragment range to
@@ -339,7 +332,7 @@ islpci_mgt_receive(struct net_device *ndev)
#if VERBOSE > SHOW_ERROR_MESSAGES
DEBUG(SHOW_PIMFOR_FRAMES,
- "PIMFOR: op %i, oid 0x%08x, device %i, flags 0x%x length 0x%x \n",
+ "PIMFOR: op %i, oid 0x%08x, device %i, flags 0x%x length 0x%x\n",
header->operation, header->oid, header->device_id,
header->flags, header->length);
@@ -359,14 +352,11 @@ islpci_mgt_receive(struct net_device *ndev)
/* Determine frame size, skipping OID_INL_TUNNEL headers. */
size = PIMFOR_HEADER_SIZE + header->length;
- frame = kmalloc(sizeof (struct islpci_mgmtframe) + size,
+ frame = kmalloc(sizeof(struct islpci_mgmtframe) + size,
GFP_ATOMIC);
- if (!frame) {
- printk(KERN_WARNING
- "%s: Out of memory, cannot handle oid 0x%08x\n",
- ndev->name, header->oid);
+ if (!frame)
continue;
- }
+
frame->ndev = ndev;
memcpy(&frame->buf, header, size);
frame->header = (pimfor_header_t *) frame->buf;
@@ -388,7 +378,7 @@ islpci_mgt_receive(struct net_device *ndev)
/* Create work to handle trap out of interrupt
* context. */
- INIT_WORK(&frame->ws, prism54_process_trap, frame);
+ INIT_WORK(&frame->ws, prism54_process_trap);
schedule_work(&frame->ws);
} else {
@@ -455,14 +445,14 @@ islpci_mgt_transaction(struct net_device *ndev,
struct islpci_mgmtframe **recvframe)
{
islpci_private *priv = netdev_priv(ndev);
- const long wait_cycle_jiffies = (ISL38XX_WAIT_CYCLE * 10 * HZ) / 1000;
+ const long wait_cycle_jiffies = msecs_to_jiffies(ISL38XX_WAIT_CYCLE * 10);
long timeout_left = ISL38XX_MAX_WAIT_CYCLES * wait_cycle_jiffies;
int err;
DEFINE_WAIT(wait);
*recvframe = NULL;
- if (down_interruptible(&priv->mgmt_sem))
+ if (mutex_lock_interruptible(&priv->mgmt_lock))
return -ERESTARTSYS;
prepare_to_wait(&priv->mgmt_wqueue, &wait, TASK_UNINTERRUPTIBLE);
@@ -475,8 +465,7 @@ islpci_mgt_transaction(struct net_device *ndev,
int timeleft;
struct islpci_mgmtframe *frame;
- set_current_state(TASK_UNINTERRUPTIBLE);
- timeleft = schedule_timeout(wait_cycle_jiffies);
+ timeleft = schedule_timeout_uninterruptible(wait_cycle_jiffies);
frame = xchg(&priv->mgmt_received, NULL);
if (frame) {
if (frame->header->oid == oid) {
@@ -504,10 +493,10 @@ islpci_mgt_transaction(struct net_device *ndev,
printk(KERN_WARNING "%s: timeout waiting for mgmt response\n",
ndev->name);
- /* TODO: we should reset the device here */
+ /* TODO: we should reset the device here */
out:
finish_wait(&priv->mgmt_wqueue, &wait);
- up(&priv->mgmt_sem);
+ mutex_unlock(&priv->mgmt_lock);
return err;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 18:41:13 +0000