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authorGabor Juhos <juhosg@openwrt.org>2009-01-14 20:17:04 +0100
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 16:00:30 -0500
commit88d15707644fad1a137af7a17b00da6135f1c1a8 (patch)
tree8f65aa4a632f0c32560f3bef2d2bcaef19b901ac /drivers
parent7da3c55ce849e17fd9017c7bf770a03fa083d95b (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath9k/core.h10
-rw-r--r--drivers/net/wireless/ath9k/main.c9
2 files changed, 17 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 2256ba47dd4..8e93d11d57a 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 ebf0467674c..884469a3023 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;