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/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c
index 98df9bc..8e1951c 100644
--- a/drivers/net/wireless/spectrum_cs.c
+++ b/drivers/net/wireless/spectrum_cs.c
@@ -633,23 +633,96 @@
* device available to the system.
*/
+struct spectrum_cs_config_data {
+ cistpl_cftable_entry_t dflt;
+ config_info_t conf;
+};
+
+static int spectrum_cs_config_check(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cfg,
+ void *priv_data)
+{
+ struct spectrum_cs_config_data *cfg_mem = priv_data;
+
+ if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+ cfg_mem->dflt = *cfg;
+ if (cfg->index == 0)
+ goto next_entry;
+ p_dev->conf.ConfigIndex = cfg->index;
+
+ /* 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) {
+ DEBUG(2, "spectrum_cs_config: Vcc mismatch (cfg_mem->conf.Vcc = %d, CIS = %d)\n", cfg_mem->conf.Vcc, cfg->vcc.param[CISTPL_POWER_VNOM] / 10000);
+ if (!ignore_cis_vcc)
+ goto next_entry;
+ }
+ } 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) {
+ DEBUG(2, "spectrum_cs_config: Vcc mismatch (cfg_mem->conf.Vcc = %d, CIS = %d)\n", cfg_mem->conf.Vcc, cfg_mem->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000);
+ if (!ignore_cis_vcc)
+ goto next_entry;
+ }
+ }
+
+ 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? */
+ p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
+
+ /* IO window settings */
+ 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;
+ 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 */
+ if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
+ goto next_entry;
+ }
+ return 0;
+
+next_entry:
+ pcmcia_disable_device(p_dev);
+ return -ENODEV;
+};
+
static int
spectrum_cs_config(struct pcmcia_device *link)
{
+ struct spectrum_cs_config_data *cfg_mem;
struct net_device *dev = link->priv;
struct orinoco_private *priv = netdev_priv(dev);
struct orinoco_pccard *card = priv->card;
hermes_t *hw = &priv->hw;
int last_fn, last_ret;
- u_char buf[64];
- config_info_t conf;
- tuple_t tuple;
- cisparse_t parse;
void __iomem *mem;
+ cfg_mem = kzalloc(sizeof(struct spectrum_cs_config_data), GFP_KERNEL);
+ if (!cfg_mem)
+ return -ENOMEM;
+
/* Look up the current Vcc */
CS_CHECK(GetConfigurationInfo,
- pcmcia_get_configuration_info(link, &conf));
+ pcmcia_get_configuration_info(link, &cfg_mem->conf));
/*
* In this loop, we scan the CIS for configuration table
@@ -665,94 +738,14 @@
* and most client drivers will only use the CIS to fill in
* implementation-defined details.
*/
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- tuple.Attributes = 0;
- tuple.TupleData = buf;
- tuple.TupleDataMax = sizeof(buf);
- tuple.TupleOffset = 0;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
- while (1) {
- cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
- cistpl_cftable_entry_t dflt = { .index = 0 };
-
- if ( (pcmcia_get_tuple_data(link, &tuple) != 0)
- || (pcmcia_parse_tuple(link, &tuple, &parse) != 0))
- goto next_entry;
-
- if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
- dflt = *cfg;
- if (cfg->index == 0)
- goto next_entry;
- link->conf.ConfigIndex = cfg->index;
-
- /* 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) {
- DEBUG(2, "spectrum_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, cfg->vcc.param[CISTPL_POWER_VNOM] / 10000);
- if (!ignore_cis_vcc)
- goto next_entry;
- }
- } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) {
- DEBUG(2, "spectrum_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, dflt.vcc.param[CISTPL_POWER_VNOM] / 10000);
- if(!ignore_cis_vcc)
- 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? */
- link->conf.Attributes |= CONF_ENABLE_IRQ;
-
- /* IO window settings */
- 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;
- 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 */
- if (pcmcia_request_io(link, &link->io) != 0)
- goto next_entry;
- }
-
-
- /* If we got this far, we're cool! */
-
- break;
-
- next_entry:
- pcmcia_disable_device(link);
- last_ret = pcmcia_get_next_tuple(link, &tuple);
- if (last_ret == CS_NO_MORE_ITEMS) {
+ last_ret = pcmcia_loop_config(link, spectrum_cs_config_check, cfg_mem);
+ if (last_ret) {
+ if (!ignore_cis_vcc)
printk(KERN_ERR PFX "GetNextTuple(): No matching "
"CIS configuration. Maybe you need the "
"ignore_cis_vcc=1 parameter.\n");
- goto cs_failed;
- }
+ cs_error(link, RequestIO, last_ret);
+ goto failed;
}
/*
@@ -809,6 +802,7 @@
link->irq.AssignedIRQ, link->io.BasePort1,
link->io.BasePort1 + link->io.NumPorts1 - 1);
+ kfree(cfg_mem);
return 0;
cs_failed:
@@ -816,6 +810,7 @@
failed:
spectrum_cs_release(link);
+ kfree(cfg_mem);
return -ENODEV;
} /* spectrum_cs_config */