pcmcia: pcmcia_config_loop() improvement by passing vcc
By passing the current Vcc setting to the pcmcia_config_loop callback
function, we can remove pcmcia_get_configuration_info() calls from many
drivers.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c
index f9595ca..c768d42 100644
--- a/drivers/net/wireless/hostap/hostap_cs.c
+++ b/drivers/net/wireless/hostap/hostap_cs.c
@@ -536,17 +536,12 @@
/* run after a CARD_INSERTION event is received to configure the PCMCIA
* socket and make the device available to the system */
-struct prism2_config_data {
- config_info_t conf;
-};
-
static int prism2_config_check(struct pcmcia_device *p_dev,
cistpl_cftable_entry_t *cfg,
cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
void *priv_data)
{
- struct prism2_config_data *cfg_mem = priv_data;
-
if (cfg->index == 0)
return -ENODEV;
@@ -562,14 +557,14 @@
/* Use power settings for Vcc and Vpp if present */
/* Note that the CIS values need to be rescaled */
if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (cfg_mem->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
+ if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
10000 && !ignore_cis_vcc) {
PDEBUG(DEBUG_EXTRA, " Vcc mismatch - skipping"
" this entry\n");
return -ENODEV;
}
} else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (cfg_mem->conf.Vcc != dflt->vcc.param[CISTPL_POWER_VNOM] /
+ if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] /
10000 && !ignore_cis_vcc) {
PDEBUG(DEBUG_EXTRA, " Vcc (default) mismatch "
"- skipping this entry\n");
@@ -627,7 +622,6 @@
{
struct net_device *dev;
struct hostap_interface *iface;
- struct prism2_config_data *cfg_mem;
local_info_t *local;
int ret = 1;
int last_fn, last_ret;
@@ -635,21 +629,14 @@
PDEBUG(DEBUG_FLOW, "prism2_config()\n");
- cfg_mem = kzalloc(sizeof(struct prism2_config_data), GFP_KERNEL);
- if (!cfg_mem)
- return -ENOMEM;
-
hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
if (hw_priv == NULL) {
ret = -ENOMEM;
goto failed;
}
- CS_CHECK(GetConfigurationInfo,
- pcmcia_get_configuration_info(link, &cfg_mem->conf));
-
/* Look for an appropriate configuration table entry in the CIS */
- last_ret = pcmcia_loop_config(link, prism2_config_check, cfg_mem);
+ last_ret = pcmcia_loop_config(link, prism2_config_check, NULL);
if (last_ret) {
if (!ignore_cis_vcc)
printk(KERN_ERR "GetNextTuple(): No matching "
@@ -724,7 +711,6 @@
if (ret == 0 && local->ddev)
strcpy(hw_priv->node.dev_name, local->ddev->name);
}
- kfree(cfg_mem);
return ret;
cs_failed:
@@ -732,7 +718,6 @@
failed:
kfree(hw_priv);
- kfree(cfg_mem);
prism2_release((u_long)link);
return ret;
}