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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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ath5k: Remove AHB bus support
AHB bus support was added in v2.6.38, through commit a0b907ee2a
("ath5k: Add AHB bus support."). That code can only be build if the
Kconfig symbol ATHEROS_AR231X is set. But that symbol has never been
added to the tree. So AHB bus support has always been dead code.
Let's remove all code that depends on ATHEROS_AR231X. If that symbol
ever gets added to the tree the AHB bus support can be re-added too.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
parent
30d3c071a6
commit
093ec3c533
6 changed files with 3 additions and 294 deletions
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@ -1,13 +1,12 @@
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config ATH5K
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config ATH5K
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tristate "Atheros 5xxx wireless cards support"
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tristate "Atheros 5xxx wireless cards support"
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depends on (PCI || ATHEROS_AR231X) && MAC80211
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depends on PCI && MAC80211
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select ATH_COMMON
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select ATH_COMMON
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select MAC80211_LEDS
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select MAC80211_LEDS
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select LEDS_CLASS
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select LEDS_CLASS
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select NEW_LEDS
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select NEW_LEDS
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select AVERAGE
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select AVERAGE
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select ATH5K_AHB if (ATHEROS_AR231X && !PCI)
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select ATH5K_PCI
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select ATH5K_PCI if (!ATHEROS_AR231X && PCI)
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---help---
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---help---
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This module adds support for wireless adapters based on
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This module adds support for wireless adapters based on
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Atheros 5xxx chipset.
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Atheros 5xxx chipset.
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@ -52,16 +51,9 @@ config ATH5K_TRACER
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If unsure, say N.
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If unsure, say N.
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config ATH5K_AHB
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bool "Atheros 5xxx AHB bus support"
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depends on (ATHEROS_AR231X && !PCI)
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---help---
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This adds support for WiSoC type chipsets of the 5xxx Atheros
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family.
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config ATH5K_PCI
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config ATH5K_PCI
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bool "Atheros 5xxx PCI bus support"
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bool "Atheros 5xxx PCI bus support"
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depends on (!ATHEROS_AR231X && PCI)
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depends on PCI
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---help---
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---help---
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This adds support for PCI type chipsets of the 5xxx Atheros
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This adds support for PCI type chipsets of the 5xxx Atheros
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family.
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family.
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@ -17,6 +17,5 @@ ath5k-y += ani.o
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ath5k-y += sysfs.o
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ath5k-y += sysfs.o
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ath5k-y += mac80211-ops.o
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ath5k-y += mac80211-ops.o
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ath5k-$(CONFIG_ATH5K_DEBUG) += debug.o
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ath5k-$(CONFIG_ATH5K_DEBUG) += debug.o
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ath5k-$(CONFIG_ATH5K_AHB) += ahb.o
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ath5k-$(CONFIG_ATH5K_PCI) += pci.o
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ath5k-$(CONFIG_ATH5K_PCI) += pci.o
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obj-$(CONFIG_ATH5K) += ath5k.o
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obj-$(CONFIG_ATH5K) += ath5k.o
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@ -1,234 +0,0 @@
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/*
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* Copyright (c) 2008-2009 Atheros Communications Inc.
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* Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/nl80211.h>
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#include <linux/platform_device.h>
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#include <linux/etherdevice.h>
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#include <linux/export.h>
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#include <ar231x_platform.h>
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#include "ath5k.h"
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#include "debug.h"
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#include "base.h"
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#include "reg.h"
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/* return bus cachesize in 4B word units */
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static void ath5k_ahb_read_cachesize(struct ath_common *common, int *csz)
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{
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*csz = L1_CACHE_BYTES >> 2;
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}
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static bool
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ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
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{
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struct ath5k_hw *ah = common->priv;
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struct platform_device *pdev = to_platform_device(ah->dev);
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struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
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u16 *eeprom, *eeprom_end;
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eeprom = (u16 *) bcfg->radio;
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eeprom_end = ((void *) bcfg->config) + BOARD_CONFIG_BUFSZ;
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eeprom += off;
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if (eeprom > eeprom_end)
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return false;
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*data = *eeprom;
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return true;
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}
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int ath5k_hw_read_srev(struct ath5k_hw *ah)
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{
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struct platform_device *pdev = to_platform_device(ah->dev);
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struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
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ah->ah_mac_srev = bcfg->devid;
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return 0;
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}
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static int ath5k_ahb_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac)
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{
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struct platform_device *pdev = to_platform_device(ah->dev);
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struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
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u8 *cfg_mac;
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if (to_platform_device(ah->dev)->id == 0)
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cfg_mac = bcfg->config->wlan0_mac;
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else
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cfg_mac = bcfg->config->wlan1_mac;
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memcpy(mac, cfg_mac, ETH_ALEN);
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return 0;
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}
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static const struct ath_bus_ops ath_ahb_bus_ops = {
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.ath_bus_type = ATH_AHB,
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.read_cachesize = ath5k_ahb_read_cachesize,
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.eeprom_read = ath5k_ahb_eeprom_read,
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.eeprom_read_mac = ath5k_ahb_eeprom_read_mac,
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};
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/*Initialization*/
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static int ath_ahb_probe(struct platform_device *pdev)
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{
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struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
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struct ath5k_hw *ah;
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struct ieee80211_hw *hw;
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struct resource *res;
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void __iomem *mem;
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int irq;
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int ret = 0;
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u32 reg;
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if (!dev_get_platdata(&pdev->dev)) {
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dev_err(&pdev->dev, "no platform data specified\n");
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ret = -EINVAL;
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goto err_out;
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}
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (res == NULL) {
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dev_err(&pdev->dev, "no memory resource found\n");
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ret = -ENXIO;
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goto err_out;
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}
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mem = ioremap_nocache(res->start, resource_size(res));
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if (mem == NULL) {
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dev_err(&pdev->dev, "ioremap failed\n");
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ret = -ENOMEM;
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goto err_out;
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}
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res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
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if (res == NULL) {
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dev_err(&pdev->dev, "no IRQ resource found\n");
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ret = -ENXIO;
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goto err_iounmap;
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}
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irq = res->start;
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hw = ieee80211_alloc_hw(sizeof(struct ath5k_hw), &ath5k_hw_ops);
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if (hw == NULL) {
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dev_err(&pdev->dev, "no memory for ieee80211_hw\n");
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ret = -ENOMEM;
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goto err_iounmap;
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}
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ah = hw->priv;
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ah->hw = hw;
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ah->dev = &pdev->dev;
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ah->iobase = mem;
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ah->irq = irq;
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ah->devid = bcfg->devid;
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if (bcfg->devid >= AR5K_SREV_AR2315_R6) {
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/* Enable WMAC AHB arbitration */
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reg = ioread32((void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
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reg |= AR5K_AR2315_AHB_ARB_CTL_WLAN;
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iowrite32(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
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/* Enable global WMAC swapping */
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reg = ioread32((void __iomem *) AR5K_AR2315_BYTESWAP);
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reg |= AR5K_AR2315_BYTESWAP_WMAC;
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iowrite32(reg, (void __iomem *) AR5K_AR2315_BYTESWAP);
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} else {
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/* Enable WMAC DMA access (assuming 5312 or 231x*/
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/* TODO: check other platforms */
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reg = ioread32((void __iomem *) AR5K_AR5312_ENABLE);
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if (to_platform_device(ah->dev)->id == 0)
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reg |= AR5K_AR5312_ENABLE_WLAN0;
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else
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reg |= AR5K_AR5312_ENABLE_WLAN1;
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iowrite32(reg, (void __iomem *) AR5K_AR5312_ENABLE);
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/*
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* On a dual-band AR5312, the multiband radio is only
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* used as pass-through. Disable 2 GHz support in the
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* driver for it
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*/
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if (to_platform_device(ah->dev)->id == 0 &&
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(bcfg->config->flags & (BD_WLAN0 | BD_WLAN1)) ==
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(BD_WLAN1 | BD_WLAN0))
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ah->ah_capabilities.cap_needs_2GHz_ovr = true;
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else
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ah->ah_capabilities.cap_needs_2GHz_ovr = false;
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}
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ret = ath5k_init_ah(ah, &ath_ahb_bus_ops);
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if (ret != 0) {
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dev_err(&pdev->dev, "failed to attach device, err=%d\n", ret);
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ret = -ENODEV;
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goto err_free_hw;
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}
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platform_set_drvdata(pdev, hw);
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return 0;
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err_free_hw:
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ieee80211_free_hw(hw);
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err_iounmap:
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iounmap(mem);
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err_out:
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return ret;
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}
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static int ath_ahb_remove(struct platform_device *pdev)
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{
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struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
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struct ieee80211_hw *hw = platform_get_drvdata(pdev);
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struct ath5k_hw *ah;
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u32 reg;
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if (!hw)
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return 0;
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ah = hw->priv;
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if (bcfg->devid >= AR5K_SREV_AR2315_R6) {
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/* Disable WMAC AHB arbitration */
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reg = ioread32((void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
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reg &= ~AR5K_AR2315_AHB_ARB_CTL_WLAN;
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iowrite32(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
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} else {
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/*Stop DMA access */
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reg = ioread32((void __iomem *) AR5K_AR5312_ENABLE);
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if (to_platform_device(ah->dev)->id == 0)
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reg &= ~AR5K_AR5312_ENABLE_WLAN0;
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else
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reg &= ~AR5K_AR5312_ENABLE_WLAN1;
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iowrite32(reg, (void __iomem *) AR5K_AR5312_ENABLE);
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}
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ath5k_deinit_ah(ah);
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iounmap(ah->iobase);
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ieee80211_free_hw(hw);
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return 0;
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}
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static struct platform_driver ath_ahb_driver = {
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.probe = ath_ahb_probe,
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.remove = ath_ahb_remove,
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.driver = {
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.name = "ar231x-wmac",
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.owner = THIS_MODULE,
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},
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};
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module_platform_driver(ath_ahb_driver);
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@ -1647,32 +1647,6 @@ static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah)
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return &(ath5k_hw_common(ah)->regulatory);
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return &(ath5k_hw_common(ah)->regulatory);
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}
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}
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#ifdef CONFIG_ATHEROS_AR231X
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#define AR5K_AR2315_PCI_BASE ((void __iomem *)0xb0100000)
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static inline void __iomem *ath5k_ahb_reg(struct ath5k_hw *ah, u16 reg)
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{
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/* On AR2315 and AR2317 the PCI clock domain registers
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* are outside of the WMAC register space */
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if (unlikely((reg >= 0x4000) && (reg < 0x5000) &&
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(ah->ah_mac_srev >= AR5K_SREV_AR2315_R6)))
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return AR5K_AR2315_PCI_BASE + reg;
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return ah->iobase + reg;
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}
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static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
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{
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return ioread32(ath5k_ahb_reg(ah, reg));
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}
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static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg)
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{
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iowrite32(val, ath5k_ahb_reg(ah, reg));
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}
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#else
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static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
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static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
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{
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{
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return ioread32(ah->iobase + reg);
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return ioread32(ah->iobase + reg);
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@ -1683,8 +1657,6 @@ static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg)
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iowrite32(val, ah->iobase + reg);
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iowrite32(val, ah->iobase + reg);
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}
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}
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#endif
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static inline enum ath_bus_type ath5k_get_bus_type(struct ath5k_hw *ah)
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static inline enum ath_bus_type ath5k_get_bus_type(struct ath5k_hw *ah)
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{
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{
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return ath5k_hw_common(ah)->bus_ops->ath_bus_type;
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return ath5k_hw_common(ah)->bus_ops->ath_bus_type;
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@ -99,15 +99,6 @@ static int ath5k_reset(struct ath5k_hw *ah, struct ieee80211_channel *chan,
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/* Known SREVs */
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/* Known SREVs */
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static const struct ath5k_srev_name srev_names[] = {
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static const struct ath5k_srev_name srev_names[] = {
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#ifdef CONFIG_ATHEROS_AR231X
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{ "5312", AR5K_VERSION_MAC, AR5K_SREV_AR5312_R2 },
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{ "5312", AR5K_VERSION_MAC, AR5K_SREV_AR5312_R7 },
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{ "2313", AR5K_VERSION_MAC, AR5K_SREV_AR2313_R8 },
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{ "2315", AR5K_VERSION_MAC, AR5K_SREV_AR2315_R6 },
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{ "2315", AR5K_VERSION_MAC, AR5K_SREV_AR2315_R7 },
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{ "2317", AR5K_VERSION_MAC, AR5K_SREV_AR2317_R1 },
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{ "2317", AR5K_VERSION_MAC, AR5K_SREV_AR2317_R2 },
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|
||||||
#else
|
|
||||||
{ "5210", AR5K_VERSION_MAC, AR5K_SREV_AR5210 },
|
{ "5210", AR5K_VERSION_MAC, AR5K_SREV_AR5210 },
|
||||||
{ "5311", AR5K_VERSION_MAC, AR5K_SREV_AR5311 },
|
{ "5311", AR5K_VERSION_MAC, AR5K_SREV_AR5311 },
|
||||||
{ "5311A", AR5K_VERSION_MAC, AR5K_SREV_AR5311A },
|
{ "5311A", AR5K_VERSION_MAC, AR5K_SREV_AR5311A },
|
||||||
|
@ -126,7 +117,6 @@ static const struct ath5k_srev_name srev_names[] = {
|
||||||
{ "5418", AR5K_VERSION_MAC, AR5K_SREV_AR5418 },
|
{ "5418", AR5K_VERSION_MAC, AR5K_SREV_AR5418 },
|
||||||
{ "2425", AR5K_VERSION_MAC, AR5K_SREV_AR2425 },
|
{ "2425", AR5K_VERSION_MAC, AR5K_SREV_AR2425 },
|
||||||
{ "2417", AR5K_VERSION_MAC, AR5K_SREV_AR2417 },
|
{ "2417", AR5K_VERSION_MAC, AR5K_SREV_AR2417 },
|
||||||
#endif
|
|
||||||
{ "xxxxx", AR5K_VERSION_MAC, AR5K_SREV_UNKNOWN },
|
{ "xxxxx", AR5K_VERSION_MAC, AR5K_SREV_UNKNOWN },
|
||||||
{ "5110", AR5K_VERSION_RAD, AR5K_SREV_RAD_5110 },
|
{ "5110", AR5K_VERSION_RAD, AR5K_SREV_RAD_5110 },
|
||||||
{ "5111", AR5K_VERSION_RAD, AR5K_SREV_RAD_5111 },
|
{ "5111", AR5K_VERSION_RAD, AR5K_SREV_RAD_5111 },
|
||||||
|
@ -142,10 +132,6 @@ static const struct ath5k_srev_name srev_names[] = {
|
||||||
{ "5413", AR5K_VERSION_RAD, AR5K_SREV_RAD_5413 },
|
{ "5413", AR5K_VERSION_RAD, AR5K_SREV_RAD_5413 },
|
||||||
{ "5424", AR5K_VERSION_RAD, AR5K_SREV_RAD_5424 },
|
{ "5424", AR5K_VERSION_RAD, AR5K_SREV_RAD_5424 },
|
||||||
{ "5133", AR5K_VERSION_RAD, AR5K_SREV_RAD_5133 },
|
{ "5133", AR5K_VERSION_RAD, AR5K_SREV_RAD_5133 },
|
||||||
#ifdef CONFIG_ATHEROS_AR231X
|
|
||||||
{ "2316", AR5K_VERSION_RAD, AR5K_SREV_RAD_2316 },
|
|
||||||
{ "2317", AR5K_VERSION_RAD, AR5K_SREV_RAD_2317 },
|
|
||||||
#endif
|
|
||||||
{ "xxxxx", AR5K_VERSION_RAD, AR5K_SREV_UNKNOWN },
|
{ "xxxxx", AR5K_VERSION_RAD, AR5K_SREV_UNKNOWN },
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
|
@ -163,20 +163,14 @@ int ath5k_init_leds(struct ath5k_hw *ah)
|
||||||
{
|
{
|
||||||
int ret = 0;
|
int ret = 0;
|
||||||
struct ieee80211_hw *hw = ah->hw;
|
struct ieee80211_hw *hw = ah->hw;
|
||||||
#ifndef CONFIG_ATHEROS_AR231X
|
|
||||||
struct pci_dev *pdev = ah->pdev;
|
struct pci_dev *pdev = ah->pdev;
|
||||||
#endif
|
|
||||||
char name[ATH5K_LED_MAX_NAME_LEN + 1];
|
char name[ATH5K_LED_MAX_NAME_LEN + 1];
|
||||||
const struct pci_device_id *match;
|
const struct pci_device_id *match;
|
||||||
|
|
||||||
if (!ah->pdev)
|
if (!ah->pdev)
|
||||||
return 0;
|
return 0;
|
||||||
|
|
||||||
#ifdef CONFIG_ATHEROS_AR231X
|
|
||||||
match = NULL;
|
|
||||||
#else
|
|
||||||
match = pci_match_id(&ath5k_led_devices[0], pdev);
|
match = pci_match_id(&ath5k_led_devices[0], pdev);
|
||||||
#endif
|
|
||||||
if (match) {
|
if (match) {
|
||||||
__set_bit(ATH_STAT_LEDSOFT, ah->status);
|
__set_bit(ATH_STAT_LEDSOFT, ah->status);
|
||||||
ah->led_pin = ATH_PIN(match->driver_data);
|
ah->led_pin = ATH_PIN(match->driver_data);
|
||||||
|
|
Loading…
Reference in a new issue