pcmcia: use pcmcia_loop_config in bluetooth drivers
Use the config loop helper in bluetooth pcmcia drivers.
CC: Marcel Holtmann <marcel@holtmann.org>
CC: linux-bluetooth@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 593b7c5..6ec366f1 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -678,93 +678,68 @@
kfree(info);
}
-static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse)
+static int bt3c_check_config(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cf,
+ void *priv_data)
{
- int i;
+ unsigned long try = (unsigned long) priv_data;
- i = pcmcia_get_tuple_data(handle, tuple);
- if (i != CS_SUCCESS)
- return i;
-
- return pcmcia_parse_tuple(handle, tuple, parse);
+ if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = cf->vpp1.param[CISTPL_POWER_VNOM] / 10000;
+ if ((cf->io.nwin > 0) && (cf->io.win[0].len == 8) &&
+ (cf->io.win[0].base != 0)) {
+ p_dev->conf.ConfigIndex = cf->index;
+ p_dev->io.BasePort1 = cf->io.win[0].base;
+ p_dev->io.IOAddrLines = (try == 0) ? 16 :
+ cf->io.flags & CISTPL_IO_LINES_MASK;
+ if (!pcmcia_request_io(p_dev, &p_dev->io))
+ return 0;
+ }
+ return -ENODEV;
}
-static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse)
+static int bt3c_check_config_notpicky(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cf,
+ void *priv_data)
{
- if (pcmcia_get_first_tuple(handle, tuple) != CS_SUCCESS)
- return CS_NO_MORE_ITEMS;
- return get_tuple(handle, tuple, parse);
-}
+ static unsigned int base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
+ int j;
-static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse)
-{
- if (pcmcia_get_next_tuple(handle, tuple) != CS_SUCCESS)
- return CS_NO_MORE_ITEMS;
- return get_tuple(handle, tuple, parse);
+ if ((cf->io.nwin > 0) && ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) {
+ p_dev->conf.ConfigIndex = cf->index;
+ for (j = 0; j < 5; j++) {
+ p_dev->io.BasePort1 = base[j];
+ p_dev->io.IOAddrLines = base[j] ? 16 : 3;
+ if (!pcmcia_request_io(p_dev, &p_dev->io))
+ return 0;
+ }
+ }
+ return -ENODEV;
}
static int bt3c_config(struct pcmcia_device *link)
{
- static unsigned int base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
bt3c_info_t *info = link->priv;
- tuple_t tuple;
- u_short buf[256];
- cisparse_t parse;
- cistpl_cftable_entry_t *cf = &parse.cftable_entry;
- int i, j, try;
+ int i;
+ unsigned long try;
- /* First pass: look for a config entry that looks normal. */
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleOffset = 0;
- tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- /* Two tries: without IO aliases, then with aliases */
- for (try = 0; try < 2; try++) {
- i = first_tuple(link, &tuple, &parse);
- while (i != CS_NO_MORE_ITEMS) {
- if (i != CS_SUCCESS)
- goto next_entry;
- if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM))
- link->conf.Vpp = cf->vpp1.param[CISTPL_POWER_VNOM] / 10000;
- if ((cf->io.nwin > 0) && (cf->io.win[0].len == 8) && (cf->io.win[0].base != 0)) {
- link->conf.ConfigIndex = cf->index;
- link->io.BasePort1 = cf->io.win[0].base;
- link->io.IOAddrLines = (try == 0) ? 16 : cf->io.flags & CISTPL_IO_LINES_MASK;
- i = pcmcia_request_io(link, &link->io);
- if (i == CS_SUCCESS)
- goto found_port;
- }
-next_entry:
- i = next_tuple(link, &tuple, &parse);
- }
- }
+ /* First pass: look for a config entry that looks normal.
+ Two tries: without IO aliases, then with aliases */
+ for (try = 0; try < 2; try++)
+ if (!pcmcia_loop_config(link, bt3c_check_config, (void *) try))
+ goto found_port;
/* Second pass: try to find an entry that isn't picky about
its base address, then try to grab any standard serial port
address, and finally try to get any free port. */
- i = first_tuple(link, &tuple, &parse);
- while (i != CS_NO_MORE_ITEMS) {
- if ((i == CS_SUCCESS) && (cf->io.nwin > 0) && ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) {
- link->conf.ConfigIndex = cf->index;
- for (j = 0; j < 5; j++) {
- link->io.BasePort1 = base[j];
- link->io.IOAddrLines = base[j] ? 16 : 3;
- i = pcmcia_request_io(link, &link->io);
- if (i == CS_SUCCESS)
- goto found_port;
- }
- }
- i = next_tuple(link, &tuple, &parse);
- }
+ if (!pcmcia_loop_config(link, bt3c_check_config_notpicky, NULL))
+ goto found_port;
+
+ BT_ERR("No usable port range found");
+ cs_error(link, RequestIO, -ENODEV);
+ goto failed;
found_port:
- if (i != CS_SUCCESS) {
- BT_ERR("No usable port range found");
- cs_error(link, RequestIO, i);
- goto failed;
- }
-
i = pcmcia_request_irq(link, &link->irq);
if (i != CS_SUCCESS) {
cs_error(link, RequestIRQ, i);