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/airo_cs.c b/drivers/net/wireless/airo_cs.c
index f123553..4fbe811 100644
--- a/drivers/net/wireless/airo_cs.c
+++ b/drivers/net/wireless/airo_cs.c
@@ -206,126 +206,131 @@
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+struct airo_cs_config_data {
+ cistpl_cftable_entry_t dflt;
+ win_req_t req;
+};
+
+static int airo_cs_config_check(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cfg,
+ void *priv_data)
+{
+ struct airo_cs_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;
+
+ /* 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 (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;
+
+ /* 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.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)
+ return -ENODEV;
+
+ /*
+ Now set up a common memory window, if needed. There is room
+ in the struct pcmcia_device structure for one memory window handle,
+ but if the base addresses need to be saved, or if multiple
+ windows are needed, the info should go in the private data
+ structure for this device.
+
+ Note that the memory window base is a physical address, and
+ needs to be mapped to virtual space with ioremap() before it
+ is used.
+ */
+ if ((cfg->mem.nwin > 0) || (cfg_mem->dflt.mem.nwin > 0)) {
+ cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &cfg_mem->dflt.mem;
+ memreq_t map;
+ cfg_mem->req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
+ cfg_mem->req.Base = mem->win[0].host_addr;
+ cfg_mem->req.Size = mem->win[0].len;
+ cfg_mem->req.AccessSpeed = 0;
+ if (pcmcia_request_window(&p_dev, &cfg_mem->req, &p_dev->win) != 0)
+ return -ENODEV;
+ map.Page = 0;
+ map.CardOffset = mem->win[0].card_addr;
+ if (pcmcia_map_mem_page(p_dev->win, &map) != 0)
+ return -ENODEV;
+ }
+ /* If we got this far, we're cool! */
+ return 0;
+}
+
+
static int airo_config(struct pcmcia_device *link)
{
- tuple_t tuple;
- cisparse_t parse;
local_info_t *dev;
+ struct airo_cs_config_data *cfg_mem;
int last_fn, last_ret;
- u_char buf[64];
- win_req_t req;
- memreq_t map;
dev = link->priv;
DEBUG(0, "airo_config(0x%p)\n", link);
+ cfg_mem = kzalloc(sizeof(struct airo_cs_config_data), GFP_KERNEL);
+ if (!cfg_mem)
+ return -ENOMEM;
+
/*
- In this loop, we scan the CIS for configuration table entries,
- each of which describes a valid card configuration, including
- voltage, IO window, memory window, and interrupt settings.
-
- We make no assumptions about the card to be configured: we use
- just the information available in the CIS. In an ideal world,
- this would work for any PCMCIA card, but it requires a complete
- and accurate CIS. In practice, a driver usually "knows" most of
- these things without consulting the CIS, and most client drivers
- will only use the CIS to fill in implementation-defined details.
+ * In this loop, we scan the CIS for configuration table
+ * entries, each of which describes a valid card
+ * configuration, including voltage, IO window, memory window,
+ * and interrupt settings.
+ *
+ * We make no assumptions about the card to be configured: we
+ * use just the information available in the CIS. In an ideal
+ * world, this would work for any PCMCIA card, but it requires
+ * a complete and accurate CIS. In practice, a driver usually
+ * "knows" most of these things without consulting the CIS,
+ * and most client drivers will only use the CIS to fill in
+ * implementation-defined details.
+ */
+ last_ret = pcmcia_loop_config(link, airo_cs_config_check, cfg_mem);
+ if (last_ret)
+ goto failed;
+
+ /*
+ Allocate an interrupt line. Note that this does not assign a
+ handler to the interrupt, unless the 'Handler' member of the
+ irq structure is initialized.
*/
- tuple.Attributes = 0;
- tuple.TupleData = buf;
- tuple.TupleDataMax = sizeof(buf);
- tuple.TupleOffset = 0;
- 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;
-
- /*
- Now set up a common memory window, if needed. There is room
- in the struct pcmcia_device structure for one memory window handle,
- but if the base addresses need to be saved, or if multiple
- windows are needed, the info should go in the private data
- structure for this device.
-
- Note that the memory window base is a physical address, and
- needs to be mapped to virtual space with ioremap() before it
- is used.
- */
- if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) {
- cistpl_mem_t *mem =
- (cfg->mem.nwin) ? &cfg->mem : &dflt.mem;
- req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
- req.Base = mem->win[0].host_addr;
- req.Size = mem->win[0].len;
- req.AccessSpeed = 0;
- if (pcmcia_request_window(&link, &req, &link->win) != 0)
- goto next_entry;
- map.Page = 0; map.CardOffset = mem->win[0].card_addr;
- if (pcmcia_map_mem_page(link->win, &map) != 0)
- goto next_entry;
- }
- /* If we got this far, we're cool! */
- break;
-
- next_entry:
- CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
- }
-
- /*
- Allocate an interrupt line. Note that this does not assign a
- handler to the interrupt, unless the 'Handler' member of the
- irq structure is initialized.
- */
if (link->conf.Attributes & CONF_ENABLE_IRQ)
CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
@@ -362,14 +367,17 @@
printk(" & 0x%04x-0x%04x", link->io.BasePort2,
link->io.BasePort2+link->io.NumPorts2-1);
if (link->win)
- printk(", mem 0x%06lx-0x%06lx", req.Base,
- req.Base+req.Size-1);
+ printk(", mem 0x%06lx-0x%06lx", cfg_mem->req.Base,
+ cfg_mem->req.Base+cfg_mem->req.Size-1);
printk("\n");
+ kfree(cfg_mem);
return 0;
cs_failed:
cs_error(link, last_fn, last_ret);
+ failed:
airo_release(link);
+ kfree(cfg_mem);
return -ENODEV;
} /* airo_config */