diff options
Diffstat (limited to 'package/mac80211/patches/406-ath9k-introduce-platform-driver-for-AHB-bus-support.patch')
| -rw-r--r-- | package/mac80211/patches/406-ath9k-introduce-platform-driver-for-AHB-bus-support.patch | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/package/mac80211/patches/406-ath9k-introduce-platform-driver-for-AHB-bus-support.patch b/package/mac80211/patches/406-ath9k-introduce-platform-driver-for-AHB-bus-support.patch deleted file mode 100644 index 7b04128268..0000000000 --- a/package/mac80211/patches/406-ath9k-introduce-platform-driver-for-AHB-bus-support.patch +++ /dev/null @@ -1,236 +0,0 @@ -From 23f9e44a18b5a2dfaa1326aa30dd07e1449e8b5f Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Mon, 5 Jan 2009 11:03:17 +0100 -Subject: [PATCH v3 06/11] ath9k: introduce platform driver for AHB bus support - -This patch adds the platform_driver itself, and modifies the main driver -to register it. - -Changes-licensed-under: ISC - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> -Signed-off-by: Imre Kaloz <kaloz@openwrt.org> ---- - drivers/net/wireless/ath9k/Makefile | 1 + - drivers/net/wireless/ath9k/ahb.c | 160 +++++++++++++++++++++++++++++++++++ - drivers/net/wireless/ath9k/core.h | 8 ++ - drivers/net/wireless/ath9k/main.c | 10 ++ - 4 files changed, 179 insertions(+), 0 deletions(-) - create mode 100644 drivers/net/wireless/ath9k/ahb.c - ---- a/drivers/net/wireless/ath9k/Makefile -+++ b/drivers/net/wireless/ath9k/Makefile -@@ -12,6 +12,7 @@ ath9k-y += hw.o \ - rc.o - - ath9k-$(CONFIG_PCI) += pci.o -+ath9k-$(CONFIG_ATHEROS_AR71XX) += ahb.o - ath9k-$(CONFIG_ATH9K_DEBUG) += debug.o - - obj-$(CONFIG_ATH9K) += ath9k.o ---- /dev/null -+++ b/drivers/net/wireless/ath9k/ahb.c -@@ -0,0 +1,160 @@ -+/* -+ * Copyright (c) 2008 Atheros Communications Inc. -+ * Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org> -+ * Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org> -+ * -+ * Permission to use, copy, modify, and/or distribute this software for any -+ * purpose with or without fee is hereby granted, provided that the above -+ * copyright notice and this permission notice appear in all copies. -+ * -+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -+ */ -+ -+#include <linux/nl80211.h> -+#include <linux/platform_device.h> -+#include "core.h" -+#include "reg.h" -+#include "hw.h" -+ -+/* return bus cachesize in 4B word units */ -+static void ath_ahb_read_cachesize(struct ath_softc *sc, int *csz) -+{ -+ *csz = L1_CACHE_BYTES >> 2; -+} -+ -+static void ath_ahb_cleanup(struct ath_softc *sc) -+{ -+ iounmap(sc->mem); -+} -+ -+static struct ath_bus_ops ath_ahb_bus_ops = { -+ .read_cachesize = ath_ahb_read_cachesize, -+ .cleanup = ath_ahb_cleanup, -+}; -+ -+static int ath_ahb_probe(struct platform_device *pdev) -+{ -+ void __iomem *mem; -+ struct ath_softc *sc; -+ struct ieee80211_hw *hw; -+ struct resource *res; -+ int irq; -+ int ret = 0; -+ struct ath_hal *ah; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (res == NULL) { -+ dev_err(&pdev->dev, "no memory resource found\n"); -+ ret = -ENXIO; -+ goto err_out; -+ } -+ -+ mem = ioremap_nocache(res->start, res->end - res->start + 1); -+ if (mem == NULL) { -+ dev_err(&pdev->dev, "ioremap failed\n"); -+ ret = -ENOMEM; -+ goto err_out; -+ } -+ -+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); -+ if (res == NULL) { -+ dev_err(&pdev->dev, "no IRQ resource found\n"); -+ ret = -ENXIO; -+ goto err_iounmap; -+ } -+ -+ irq = res->start; -+ -+ hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops); -+ if (hw == NULL) { -+ dev_err(&pdev->dev, "no memory for ieee80211_hw\n"); -+ ret = -ENOMEM; -+ goto err_iounmap; -+ } -+ -+ SET_IEEE80211_DEV(hw, &pdev->dev); -+ platform_set_drvdata(pdev, hw); -+ -+ sc = hw->priv; -+ sc->hw = hw; -+ sc->dev = &pdev->dev; -+ sc->mem = mem; -+ sc->bus_ops = &ath_ahb_bus_ops; -+ sc->irq = irq; -+ -+ ret = ath_attach(AR5416_AR9100_DEVID, sc); -+ if (ret != 0) { -+ dev_err(&pdev->dev, "failed to attach device, err=%d\n", ret); -+ ret = -ENODEV; -+ goto err_free_hw; -+ } -+ -+ ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc); -+ if (ret) { -+ dev_err(&pdev->dev, "request_irq failed, err=%d\n", ret); -+ ret = -EIO; -+ goto err_detach; -+ } -+ -+ ah = sc->sc_ah; -+ printk(KERN_INFO -+ "%s: Atheros AR%s MAC/BB Rev:%x, " -+ "AR%s RF Rev:%x, mem=0x%lx, irq=%d\n", -+ wiphy_name(hw->wiphy), -+ ath_mac_bb_name(ah->ah_macVersion), -+ ah->ah_macRev, -+ ath_rf_name((ah->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR)), -+ ah->ah_phyRev, -+ (unsigned long)mem, irq); -+ -+ return 0; -+ -+ err_detach: -+ ath_detach(sc); -+ err_free_hw: -+ ieee80211_free_hw(hw); -+ platform_set_drvdata(pdev, NULL); -+ err_iounmap: -+ iounmap(mem); -+ err_out: -+ return ret; -+} -+ -+static int ath_ahb_remove(struct platform_device *pdev) -+{ -+ struct ieee80211_hw *hw = platform_get_drvdata(pdev); -+ -+ if (hw) { -+ struct ath_softc *sc = hw->priv; -+ -+ ath_cleanup(sc); -+ platform_set_drvdata(pdev, NULL); -+ } -+ -+ return 0; -+} -+ -+static struct platform_driver ath_ahb_driver = { -+ .probe = ath_ahb_probe, -+ .remove = ath_ahb_remove, -+ .driver = { -+ .name = "ath9k", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+int ath_ahb_init(void) -+{ -+ return platform_driver_register(&ath_ahb_driver); -+} -+ -+void ath_ahb_exit(void) -+{ -+ platform_driver_unregister(&ath_ahb_driver); -+} ---- a/drivers/net/wireless/ath9k/core.h -+++ b/drivers/net/wireless/ath9k/core.h -@@ -784,4 +784,12 @@ static inline int ath_pci_init(void) { r - static inline void ath_pci_exit(void) {}; - #endif - -+#ifdef CONFIG_ATHEROS_AR71XX -+int ath_ahb_init(void); -+void ath_ahb_exit(void); -+#else -+static inline int ath_ahb_init(void) { return 0; }; -+static inline void ath_ahb_exit(void) {}; -+#endif -+ - #endif /* CORE_H */ ---- a/drivers/net/wireless/ath9k/main.c -+++ b/drivers/net/wireless/ath9k/main.c -@@ -2531,8 +2531,17 @@ static int __init ath9k_init(void) - goto err_rate_unregister; - } - -+ error = ath_ahb_init(); -+ if (error < 0) { -+ error = -ENODEV; -+ goto err_pci_exit; -+ } -+ - return 0; - -+ err_pci_exit: -+ ath_pci_exit(); -+ - err_rate_unregister: - ath_rate_control_unregister(); - err_out: -@@ -2542,6 +2551,7 @@ module_init(ath9k_init); - - static void __exit ath9k_exit(void) - { -+ ath_ahb_exit(); - ath_pci_exit(); - ath_rate_control_unregister(); - printk(KERN_INFO "%s: Driver unloaded\n", dev_info); |