pcmcia: introduce autoconfiguration feature
Introduce an autoconfiguration feature to set certain values in
pcmcia_loop_config(), instead of copying the same code over and over
in each PCMCIA driver. At first, introduce the following options:
CONF_AUTO_CHECK_VCC check or matching Vcc entry
CONF_AUTO_SET_VPP set Vpp
CONF_AUTO_AUDIO enable the speaker line
CC: netdev@vger.kernel.org
CC: linux-wireless@vger.kernel.org
CC: linux-ide@vger.kernel.org
CC: linux-usb@vger.kernel.org
CC: laforge@gnumonks.org
CC: linux-mtd@lists.infradead.org
CC: alsa-devel@alsa-project.org
CC: linux-serial@vger.kernel.org
CC: Jiri Kosina <jkosina@suse.cz>
CC: linux-scsi@vger.kernel.org
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi> (for drivers/bluetooth)
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c
index 744c2cd..d960629 100644
--- a/drivers/usb/host/sl811_cs.c
+++ b/drivers/usb/host/sl811_cs.c
@@ -134,32 +134,11 @@
static int sl811_cs_config_check(struct pcmcia_device *p_dev,
cistpl_cftable_entry_t *cfg,
cistpl_cftable_entry_t *dflt,
- unsigned int vcc,
void *priv_data)
{
if (cfg->index == 0)
return -ENODEV;
- /* 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->vcc.param[CISTPL_POWER_VNOM]/10000 != vcc)
- return -ENODEV;
- } else if (dflt->vcc.present & (1<<CISTPL_POWER_VNOM)) {
- if (dflt->vcc.param[CISTPL_POWER_VNOM]/10000 != vcc)
- return -ENODEV;
- }
-
- if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
- p_dev->vpp =
- cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
- else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
- p_dev->vpp =
- dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
-
- /* we need an interrupt */
- p_dev->config_flags |= CONF_ENABLE_IRQ;
-
/* IO window settings */
p_dev->resource[0]->end = p_dev->resource[1]->end = 0;
if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
@@ -184,6 +163,9 @@
dev_dbg(&link->dev, "sl811_cs_config\n");
+ link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
+ CONF_AUTO_CHECK_VCC;
+
if (pcmcia_loop_config(link, sl811_cs_config_check, NULL))
goto failed;