diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2009-01-14 20:17:04 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-01-29 16:00:30 -0500 |
| commit | 88d15707644fad1a137af7a17b00da6135f1c1a8 (patch) | |
| tree | 8f65aa4a632f0c32560f3bef2d2bcaef19b901ac | |
| parent | 7da3c55ce849e17fd9017c7bf770a03fa083d95b (diff) | |
| download | linux-88d15707644fad1a137af7a17b00da6135f1c1a8.tar.bz2 | |
ath9k: introduce bus specific cache size routine
The PCI specific bus_read_cachesize routine won't work on the AHB bus,
we have to replace it with a suitable one later.
Changes-licensed-under: ISC
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Tested-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath9k/core.h | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/main.c | 9 |
2 files changed, 17 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 2256ba47dd49..8e93d11d57af 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -693,6 +693,10 @@ enum PROT_MODE { #define SC_OP_RFKILL_SW_BLOCKED BIT(12) #define SC_OP_RFKILL_HW_BLOCKED BIT(13) +struct ath_bus_ops { + void (*read_cachesize)(struct ath_softc *sc, int *csz); +}; + struct ath_softc { struct ieee80211_hw *hw; struct device *dev; @@ -743,6 +747,7 @@ struct ath_softc { #ifdef CONFIG_ATH9K_DEBUG struct ath9k_debug sc_debug; #endif + struct ath_bus_ops *bus_ops; }; int ath_reset(struct ath_softc *sc, bool retry_tx); @@ -750,4 +755,9 @@ int ath_get_hal_qnum(u16 queue, struct ath_softc *sc); int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc); int ath_cabq_update(struct ath_softc *); +static inline void ath_read_cachesize(struct ath_softc *sc, int *csz) +{ + sc->bus_ops->read_cachesize(sc, csz); +} + #endif /* CORE_H */ diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index ebf0467674cf..884469a30235 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -42,7 +42,7 @@ static void ath_detach(struct ath_softc *sc); /* return bus cachesize in 4B word units */ -static void bus_read_cachesize(struct ath_softc *sc, int *csz) +static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz) { u8 u8tmp; @@ -1338,7 +1338,7 @@ static int ath_init(u16 devid, struct ath_softc *sc) * Cache line size is used to size and align various * structures used to communicate with the hardware. */ - bus_read_cachesize(sc, &csz); + ath_read_cachesize(sc, &csz); /* XXX assert csz is non-zero */ sc->sc_cachelsz = csz << 2; /* convert to bytes */ @@ -2534,6 +2534,10 @@ ath_rf_name(u16 rf_version) return "????"; } +static struct ath_bus_ops ath_pci_bus_ops = { + .read_cachesize = ath_pci_read_cachesize, +}; + static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { void __iomem *mem; @@ -2622,6 +2626,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) sc->hw = hw; sc->dev = &pdev->dev; sc->mem = mem; + sc->bus_ops = &ath_pci_bus_ops; if (ath_attach(id->device, sc) != 0) { ret = -ENODEV; |