From 440eed43e2a95bb842488755683716814da10f2b Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Fri, 30 Jul 2010 09:51:52 +0200 Subject: 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 CC: linux-scsi@vger.kernel.org Acked-by: Gustavo F. Padovan (for drivers/bluetooth) Tested-by: Wolfram Sang Signed-off-by: Dominik Brodowski --- drivers/net/wireless/hostap/hostap_cs.c | 27 ++++----------------------- 1 file changed, 4 insertions(+), 23 deletions(-) (limited to 'drivers/net/wireless/hostap') diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index 5b0b5828b3c..d4f19af1757 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -472,7 +472,6 @@ static void prism2_detach(struct pcmcia_device *link) static int prism2_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) @@ -481,28 +480,6 @@ static int prism2_config_check(struct pcmcia_device *p_dev, PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X " "(default 0x%02X)\n", cfg->index, dflt->index); - /* Does this card need audio output? */ - if (cfg->flags & CISTPL_CFTABLE_AUDIO) - p_dev->config_flags |= CONF_ENABLE_SPKR; - - /* 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 (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / - 10000 && !ignore_cis_vcc) { - PDEBUG(DEBUG_EXTRA, " Vcc mismatch - skipping" - " this entry\n"); - return -ENODEV; - } - } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) { - if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / - 10000 && !ignore_cis_vcc) { - PDEBUG(DEBUG_EXTRA, " Vcc (default) mismatch " - "- skipping this entry\n"); - 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)) @@ -553,6 +530,10 @@ static int prism2_config(struct pcmcia_device *link) } /* Look for an appropriate configuration table entry in the CIS */ + link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | + CONF_AUTO_CHECK_VCC; + if (ignore_cis_vcc) + link->config_flags &= ~CONF_AUTO_CHECK_VCC; ret = pcmcia_loop_config(link, prism2_config_check, NULL); if (ret) { if (!ignore_cis_vcc) -- cgit v1.2.3