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/atmel_cs.c b/drivers/net/wireless/atmel_cs.c
index 12617cd..263c36f 100644
--- a/drivers/net/wireless/atmel_cs.c
+++ b/drivers/net/wireless/atmel_cs.c
@@ -224,25 +224,69 @@
return 0;
}
+static int atmel_config_check(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cfg,
+ void *priv_data)
+{
+ cistpl_cftable_entry_t *dflt = priv_data;
+
+ if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+ *dflt = *cfg;
+ if (cfg->index == 0)
+ return -ENODEV;
+ p_dev->conf.ConfigIndex = cfg->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->vpp1.present & (1<<CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
+ else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
+
+ /* Do we need to allocate an interrupt? */
+ if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1)
+ p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
+
+ /* IO window settings */
+ p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
+ if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
+ cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &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.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 atmel_config(struct pcmcia_device *link)
{
- tuple_t tuple;
- cisparse_t parse;
local_info_t *dev;
int last_fn, last_ret;
- u_char buf[64];
struct pcmcia_device_id *did;
+ cistpl_cftable_entry_t dflt = { 0 };
dev = link->priv;
did = handle_to_dev(link).driver_data;
DEBUG(0, "atmel_config(0x%p)\n", link);
- tuple.Attributes = 0;
- tuple.TupleData = buf;
- tuple.TupleDataMax = sizeof(buf);
- tuple.TupleOffset = 0;
-
/*
In this loop, we scan the CIS for configuration table entries,
each of which describes a valid card configuration, including
@@ -255,66 +299,8 @@
these things without consulting the CIS, and most client drivers
will only use the CIS to fill in implementation-defined details.
*/
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
- while (1) {
- cistpl_cftable_entry_t dflt = { 0 };
- cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
- 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;
-
- /* 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->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;
-
- /* 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.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:
- CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
- }
+ if (pcmcia_loop_config(link, atmel_config_check, &dflt))
+ goto failed;
/*
Allocate an interrupt line. Note that this does not assign a
@@ -360,6 +346,7 @@
cs_failed:
cs_error(link, last_fn, last_ret);
+ failed:
atmel_release(link);
return -ENODEV;
}