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authorDavid Kilroy <kilroyd@googlemail.com>2008-11-22 10:37:25 +0000
committerJohn W. Linville <linville@tuxdriver.com>2008-11-26 09:47:45 -0500
commit7473431297761fa644a128a497b91e299676f501 (patch)
treefc89508d4230af445849e1d6ce7e1e95caf68db8 /drivers/net/wireless
parentcb71d9bafb37adab50ddce53bb119a84b4966c06 (diff)
orinoco: Separate fw caching from download
This refactorring will make it easier to share logic with Symbol firmware. Signed-off by: David Kilroy <kilroyd@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/orinoco/orinoco.c53
1 files changed, 38 insertions, 15 deletions
diff --git a/drivers/net/wireless/orinoco/orinoco.c b/drivers/net/wireless/orinoco/orinoco.c
index 7ec038ac1c3..492f419d18f 100644
--- a/drivers/net/wireless/orinoco/orinoco.c
+++ b/drivers/net/wireless/orinoco/orinoco.c
@@ -431,9 +431,9 @@ struct fw_info {
};
const static struct fw_info orinoco_fw[] = {
- { "", "agere_sta_fw.bin", "agere_ap_fw.bin", 0x00390000, 1000 },
- { "", "prism_sta_fw.bin", "prism_ap_fw.bin", 0, 1024 },
- { "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", "", 0x00003100, 512 }
+ { NULL, "agere_sta_fw.bin", "agere_ap_fw.bin", 0x00390000, 1000 },
+ { NULL, "prism_sta_fw.bin", "prism_ap_fw.bin", 0, 1024 },
+ { "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", NULL, 0x00003100, 512 }
};
/* Structure used to access fields in FW
@@ -487,18 +487,17 @@ orinoco_dl_firmware(struct orinoco_private *priv,
if (err)
goto free;
- if (priv->cached_fw)
- fw_entry = priv->cached_fw;
- else {
+ if (!priv->cached_fw) {
err = request_firmware(&fw_entry, firmware, priv->dev);
+
if (err) {
printk(KERN_ERR "%s: Cannot find firmware %s\n",
dev->name, firmware);
err = -ENOENT;
goto free;
}
- priv->cached_fw = fw_entry;
- }
+ } else
+ fw_entry = priv->cached_fw;
hdr = (const struct orinoco_fw_header *) fw_entry->data;
@@ -540,11 +539,9 @@ orinoco_dl_firmware(struct orinoco_private *priv,
dev->name, hermes_present(hw));
abort:
- /* In case of error, assume firmware was bogus and release it */
- if (err) {
- priv->cached_fw = NULL;
+ /* If we requested the firmware, release it. */
+ if (!priv->cached_fw)
release_firmware(fw_entry);
- }
free:
kfree(pda);
@@ -708,6 +705,30 @@ static int orinoco_download(struct orinoco_private *priv)
return err;
}
+static void orinoco_cache_fw(struct orinoco_private *priv, int ap)
+{
+ const struct firmware *fw_entry = NULL;
+ const char *fw;
+
+ if (ap)
+ fw = orinoco_fw[priv->firmware_type].ap_fw;
+ else
+ fw = orinoco_fw[priv->firmware_type].sta_fw;
+
+ if (fw) {
+ if (request_firmware(&fw_entry, fw, priv->dev) == 0)
+ priv->cached_fw = fw_entry;
+ }
+}
+
+static void orinoco_uncache_fw(struct orinoco_private *priv)
+{
+ if (priv->cached_fw)
+ release_firmware(priv->cached_fw);
+
+ priv->cached_fw = NULL;
+}
+
/********************************************************************/
/* Device methods */
/********************************************************************/
@@ -3304,6 +3325,8 @@ static int orinoco_init(struct net_device *dev)
}
if (priv->do_fw_download) {
+ orinoco_cache_fw(priv, 0);
+
err = orinoco_download(priv);
if (err)
priv->do_fw_download = 0;
@@ -3553,9 +3576,9 @@ void free_orinocodev(struct net_device *dev)
* when we call tasklet_kill it will run one final time,
* emptying the list */
tasklet_kill(&priv->rx_tasklet);
- if (priv->cached_fw)
- release_firmware(priv->cached_fw);
- priv->cached_fw = NULL;
+
+ orinoco_uncache_fw(priv);
+
priv->wpa_ie_len = 0;
kfree(priv->wpa_ie);
orinoco_mic_free(priv);