p54pci: cache firmware for suspend/resume
Johannes pointed out that the driver has cache the firmware for
suspend/resume cycles.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 6bf5123..3373b02 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -1524,16 +1524,24 @@
mutex_lock(&priv->conf_mutex);
err = priv->open(dev);
- if (!err)
- priv->mode = NL80211_IFTYPE_MONITOR;
+ if (err)
+ goto out;
P54_SET_QUEUE(priv->qos_params[0], 0x0002, 0x0003, 0x0007, 47);
P54_SET_QUEUE(priv->qos_params[1], 0x0002, 0x0007, 0x000f, 94);
P54_SET_QUEUE(priv->qos_params[2], 0x0003, 0x000f, 0x03ff, 0);
P54_SET_QUEUE(priv->qos_params[3], 0x0007, 0x000f, 0x03ff, 0);
err = p54_set_edcf(dev);
- if (!err)
- err = p54_init_stats(dev);
+ if (err)
+ goto out;
+ err = p54_init_stats(dev);
+ if (err)
+ goto out;
+ err = p54_setup_mac(dev, P54_FILTER_TYPE_NONE, NULL);
+ if (err)
+ goto out;
+ priv->mode = NL80211_IFTYPE_MONITOR;
+out:
mutex_unlock(&priv->conf_mutex);
return err;
}
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index c4a868a..d21c509 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -47,7 +47,6 @@
static int p54p_upload_firmware(struct ieee80211_hw *dev)
{
struct p54p_priv *priv = dev->priv;
- const struct firmware *fw_entry = NULL;
__le32 reg;
int err;
__le32 *data;
@@ -73,23 +72,15 @@
P54P_WRITE(ctrl_stat, reg);
wmb();
- err = request_firmware(&fw_entry, "isl3886pci", &priv->pdev->dev);
- if (err) {
- printk(KERN_ERR "%s (p54pci): cannot find firmware "
- "(isl3886pci)\n", pci_name(priv->pdev));
- err = request_firmware(&fw_entry, "isl3886", &priv->pdev->dev);
- if (err)
- return err;
- }
+ /* wait for the firmware to reset properly */
+ mdelay(10);
- err = p54_parse_firmware(dev, fw_entry);
- if (err) {
- release_firmware(fw_entry);
+ err = p54_parse_firmware(dev, priv->firmware);
+ if (err)
return err;
- }
- data = (__le32 *) fw_entry->data;
- remains = fw_entry->size;
+ data = (__le32 *) priv->firmware->data;
+ remains = priv->firmware->size;
device_addr = ISL38XX_DEV_FIRMWARE_ADDR;
while (remains) {
u32 i = 0;
@@ -107,8 +98,6 @@
P54P_READ(int_enable);
}
- release_firmware(fw_entry);
-
reg = P54P_READ(ctrl_stat);
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN);
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
@@ -500,15 +489,14 @@
if (mem_len < sizeof(struct p54p_csr)) {
printk(KERN_ERR "%s (p54pci): Too short PCI resources\n",
pci_name(pdev));
- pci_disable_device(pdev);
- return err;
+ goto err_disable_dev;
}
err = pci_request_regions(pdev, "p54pci");
if (err) {
printk(KERN_ERR "%s (p54pci): Cannot obtain PCI resources\n",
pci_name(pdev));
- return err;
+ goto err_disable_dev;
}
if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
@@ -561,6 +549,17 @@
spin_lock_init(&priv->lock);
tasklet_init(&priv->rx_tasklet, p54p_rx_tasklet, (unsigned long)dev);
+ err = request_firmware(&priv->firmware, "isl3886pci",
+ &priv->pdev->dev);
+ if (err) {
+ printk(KERN_ERR "%s (p54pci): cannot find firmware "
+ "(isl3886pci)\n", pci_name(priv->pdev));
+ err = request_firmware(&priv->firmware, "isl3886",
+ &priv->pdev->dev);
+ if (err)
+ goto err_free_common;
+ }
+
err = p54p_open(dev);
if (err)
goto err_free_common;
@@ -579,6 +578,7 @@
return 0;
err_free_common:
+ release_firmware(priv->firmware);
p54_free_common(dev);
pci_free_consistent(pdev, sizeof(*priv->ring_control),
priv->ring_control, priv->ring_control_dma);
@@ -592,6 +592,7 @@
err_free_reg:
pci_release_regions(pdev);
+ err_disable_dev:
pci_disable_device(pdev);
return err;
}
@@ -606,6 +607,7 @@
ieee80211_unregister_hw(dev);
priv = dev->priv;
+ release_firmware(priv->firmware);
pci_free_consistent(pdev, sizeof(*priv->ring_control),
priv->ring_control, priv->ring_control_dma);
p54_free_common(dev);
diff --git a/drivers/net/wireless/p54/p54pci.h b/drivers/net/wireless/p54/p54pci.h
index 4a67780..fbb6839 100644
--- a/drivers/net/wireless/p54/p54pci.h
+++ b/drivers/net/wireless/p54/p54pci.h
@@ -93,7 +93,7 @@
struct pci_dev *pdev;
struct p54p_csr __iomem *map;
struct tasklet_struct rx_tasklet;
-
+ const struct firmware *firmware;
spinlock_t lock;
struct p54p_ring_control *ring_control;
dma_addr_t ring_control_dma;