pcmcia: use pcmcia_loop_config in net pcmcia drivers
Use the config loop helper in (some) net pcmcia drivers.
CC: netdev@vger.kernel.org
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 3b4e55c..3d914dd 100644
--- a/drivers/net/wireless/hostap/hostap_cs.c
+++ b/drivers/net/wireless/hostap/hostap_cs.c
@@ -532,145 +532,134 @@
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
-#define CFG_CHECK2(fn, retf) \
-do { int _ret = (retf); \
-if (_ret != 0) { \
- PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", _ret); \
- cs_error(link, fn, _ret); \
- goto next_entry; \
-} \
-} while (0)
-
/* 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 {
+ cistpl_cftable_entry_t dflt;
+ config_info_t conf;
+};
+
+static int prism2_config_check(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cfg,
+ void *priv_data)
+{
+ struct prism2_config_data *cfg_mem = priv_data;
+
+ if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+ cfg_mem->dflt = *cfg;
+ if (cfg->index == 0)
+ return -ENODEV;
+
+ p_dev->conf.ConfigIndex = cfg->index;
+ PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
+ "(default 0x%02X)\n", cfg->index, cfg_mem->dflt.index);
+
+ /* Does this card need audio output? */
+ if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
+ p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
+ p_dev->conf.Status = CCSR_AUDIO_ENA;
+ }
+
+ /* 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] /
+ 10000 && !ignore_cis_vcc) {
+ PDEBUG(DEBUG_EXTRA, " Vcc mismatch - skipping"
+ " this entry\n");
+ return -ENODEV;
+ }
+ } else if (cfg_mem->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
+ if (cfg_mem->conf.Vcc != cfg_mem->dflt.vcc.param[CISTPL_POWER_VNOM] /
+ 10000 && !ignore_cis_vcc) {
+ PDEBUG(DEBUG_EXTRA, " Vcc (default) mismatch "
+ "- skipping this entry\n");
+ return -ENODEV;
+ }
+ }
+
+ if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
+ else if (cfg_mem->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = cfg_mem->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
+
+ /* Do we need to allocate an interrupt? */
+ if (cfg->irq.IRQInfo1 || cfg_mem->dflt.irq.IRQInfo1)
+ p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
+ else if (!(p_dev->conf.Attributes & CONF_ENABLE_IRQ)) {
+ /* At least Compaq WL200 does not have IRQInfo1 set,
+ * but it does not work without interrupts.. */
+ printk(KERN_WARNING "Config has no IRQ info, but trying to "
+ "enable IRQ anyway..\n");
+ p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
+ }
+
+ /* IO window settings */
+ PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
+ "cfg_mem->dflt.io.nwin=%d\n",
+ cfg->io.nwin, cfg_mem->dflt.io.nwin);
+ p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
+ if ((cfg->io.nwin > 0) || (cfg_mem->dflt.io.nwin > 0)) {
+ cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &cfg_mem->dflt.io;
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+ PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
+ "io.base=0x%04x, len=%d\n", io->flags,
+ io->win[0].base, io->win[0].len);
+ if (!(io->flags & CISTPL_IO_8BIT))
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
+ if (!(io->flags & CISTPL_IO_16BIT))
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+ p_dev->io.IOAddrLines = io->flags &
+ CISTPL_IO_LINES_MASK;
+ p_dev->io.BasePort1 = io->win[0].base;
+ p_dev->io.NumPorts1 = io->win[0].len;
+ if (io->nwin > 1) {
+ p_dev->io.Attributes2 = p_dev->io.Attributes1;
+ p_dev->io.BasePort2 = io->win[1].base;
+ p_dev->io.NumPorts2 = io->win[1].len;
+ }
+ }
+
+ /* This reserves IO space but doesn't actually enable it */
+ return pcmcia_request_io(p_dev, &p_dev->io);
+}
+
static int prism2_config(struct pcmcia_device *link)
{
struct net_device *dev;
struct hostap_interface *iface;
+ struct prism2_config_data *cfg_mem;
local_info_t *local;
int ret = 1;
- tuple_t tuple;
- cisparse_t *parse;
int last_fn, last_ret;
- u_char buf[64];
- config_info_t conf;
- cistpl_cftable_entry_t dflt = { 0 };
struct hostap_cs_priv *hw_priv;
PDEBUG(DEBUG_FLOW, "prism2_config()\n");
- parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
+ cfg_mem = kzalloc(sizeof(struct prism2_config_data), GFP_KERNEL);
+ if (!cfg_mem)
+ return -ENOMEM;
+
hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
- if (parse == NULL || hw_priv == NULL) {
+ if (hw_priv == NULL) {
ret = -ENOMEM;
goto failed;
}
- tuple.Attributes = 0;
- tuple.TupleData = buf;
- tuple.TupleDataMax = sizeof(buf);
- tuple.TupleOffset = 0;
-
CS_CHECK(GetConfigurationInfo,
- pcmcia_get_configuration_info(link, &conf));
+ pcmcia_get_configuration_info(link, &cfg_mem->conf));
/* Look for an appropriate configuration table entry in the CIS */
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
- for (;;) {
- cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
- CFG_CHECK2(GetTupleData,
- pcmcia_get_tuple_data(link, &tuple));
- CFG_CHECK2(ParseTuple,
- pcmcia_parse_tuple(link, &tuple, parse));
-
- if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
- dflt = *cfg;
- if (cfg->index == 0)
- goto next_entry;
- link->conf.ConfigIndex = cfg->index;
- PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
- "(default 0x%02X)\n", cfg->index, dflt.index);
-
- /* Does this card need audio output? */
- if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
- link->conf.Attributes |= CONF_ENABLE_SPKR;
- link->conf.Status = CCSR_AUDIO_ENA;
- }
-
- /* 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 (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
- 10000 && !ignore_cis_vcc) {
- PDEBUG(DEBUG_EXTRA, " Vcc mismatch - skipping"
- " this entry\n");
- goto next_entry;
- }
- } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
- 10000 && !ignore_cis_vcc) {
- PDEBUG(DEBUG_EXTRA, " Vcc (default) mismatch "
- "- skipping this entry\n");
- goto next_entry;
- }
- }
-
- if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
- link->conf.Vpp =
- cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
- else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
- link->conf.Vpp =
- dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
-
- /* Do we need to allocate an interrupt? */
- if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
- link->conf.Attributes |= CONF_ENABLE_IRQ;
- else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
- /* At least Compaq WL200 does not have IRQInfo1 set,
- * but it does not work without interrupts.. */
- printk("Config has no IRQ info, but trying to enable "
- "IRQ anyway..\n");
- link->conf.Attributes |= CONF_ENABLE_IRQ;
- }
-
- /* IO window settings */
- PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
- "dflt.io.nwin=%d\n",
- cfg->io.nwin, dflt.io.nwin);
- link->io.NumPorts1 = link->io.NumPorts2 = 0;
- if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
- cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
- link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
- PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
- "io.base=0x%04x, len=%d\n", io->flags,
- io->win[0].base, io->win[0].len);
- if (!(io->flags & CISTPL_IO_8BIT))
- link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
- if (!(io->flags & CISTPL_IO_16BIT))
- link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
- link->io.IOAddrLines = io->flags &
- CISTPL_IO_LINES_MASK;
- link->io.BasePort1 = io->win[0].base;
- link->io.NumPorts1 = io->win[0].len;
- if (io->nwin > 1) {
- link->io.Attributes2 = link->io.Attributes1;
- link->io.BasePort2 = io->win[1].base;
- link->io.NumPorts2 = io->win[1].len;
- }
- }
-
- /* This reserves IO space but doesn't actually enable it */
- CFG_CHECK2(RequestIO,
- pcmcia_request_io(link, &link->io));
-
- /* This configuration table entry is OK */
- break;
-
- next_entry:
- CS_CHECK(GetNextTuple,
- pcmcia_get_next_tuple(link, &tuple));
+ last_ret = pcmcia_loop_config(link, prism2_config_check, cfg_mem);
+ if (last_ret) {
+ if (!ignore_cis_vcc)
+ printk(KERN_ERR "GetNextTuple(): No matching "
+ "CIS configuration. Maybe you need the "
+ "ignore_cis_vcc=1 parameter.\n");
+ cs_error(link, RequestIO, last_ret);
+ goto failed;
}
/* Need to allocate net_device before requesting IRQ handler */
@@ -738,15 +727,15 @@
if (ret == 0 && local->ddev)
strcpy(hw_priv->node.dev_name, local->ddev->name);
}
- kfree(parse);
+ kfree(cfg_mem);
return ret;
cs_failed:
cs_error(link, last_fn, last_ret);
failed:
- kfree(parse);
kfree(hw_priv);
+ kfree(cfg_mem);
prism2_release((u_long)link);
return ret;
}