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86 lines
2.6 KiB
Diff
86 lines
2.6 KiB
Diff
From 1306e6b6d72b2bc0b91bcdd15b1d982965210bda Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Mon, 5 Jan 2009 10:57:42 +0100
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Subject: [PATCH v2 03/11] ath9k: introduce bus specific cache size routine
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The PCI specific bus_read_cachesize routine won't work on the AHB bus,
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we have to replace it with a suitable one later.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
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---
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drivers/net/wireless/ath9k/core.h | 10 ++++++++++
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drivers/net/wireless/ath9k/main.c | 9 +++++++--
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2 files changed, 17 insertions(+), 2 deletions(-)
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--- a/drivers/net/wireless/ath9k/core.h
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+++ b/drivers/net/wireless/ath9k/core.h
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@@ -693,6 +693,10 @@ enum PROT_MODE {
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#define SC_OP_RFKILL_SW_BLOCKED BIT(12)
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#define SC_OP_RFKILL_HW_BLOCKED BIT(13)
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+struct ath_bus_ops {
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+ void (*read_cachesize)(struct ath_softc *sc, int *csz);
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+};
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+
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struct ath_softc {
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struct ieee80211_hw *hw;
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struct device *dev;
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@@ -743,6 +747,7 @@ struct ath_softc {
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#ifdef CONFIG_ATH9K_DEBUG
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struct ath9k_debug sc_debug;
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#endif
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+ struct ath_bus_ops *bus_ops;
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};
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int ath_reset(struct ath_softc *sc, bool retry_tx);
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@@ -750,4 +755,9 @@ int ath_get_hal_qnum(u16 queue, struct a
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int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
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int ath_cabq_update(struct ath_softc *);
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+static inline void ath_read_cachesize(struct ath_softc *sc, int *csz)
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+{
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+ sc->bus_ops->read_cachesize(sc, csz);
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+}
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+
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#endif /* CORE_H */
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--- a/drivers/net/wireless/ath9k/main.c
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+++ b/drivers/net/wireless/ath9k/main.c
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@@ -42,7 +42,7 @@ static void ath_detach(struct ath_softc
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/* return bus cachesize in 4B word units */
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-static void bus_read_cachesize(struct ath_softc *sc, int *csz)
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+static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
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{
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u8 u8tmp;
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@@ -1340,7 +1340,7 @@ static int ath_init(u16 devid, struct at
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* Cache line size is used to size and align various
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* structures used to communicate with the hardware.
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*/
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- bus_read_cachesize(sc, &csz);
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+ ath_read_cachesize(sc, &csz);
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/* XXX assert csz is non-zero */
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sc->sc_cachelsz = csz << 2; /* convert to bytes */
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@@ -2538,6 +2538,10 @@ ath_rf_name(u16 rf_version)
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return "????";
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}
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+static struct ath_bus_ops ath_pci_bus_ops = {
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+ .read_cachesize = ath_pci_read_cachesize,
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+};
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+
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static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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{
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void __iomem *mem;
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@@ -2626,6 +2630,7 @@ static int ath_pci_probe(struct pci_dev
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sc->hw = hw;
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sc->dev = &pdev->dev;
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sc->mem = mem;
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+ sc->bus_ops = &ath_pci_bus_ops;
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if (ath_attach(id->device, sc) != 0) {
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ret = -ENODEV;
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