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75 lines
2.3 KiB
Diff
75 lines
2.3 KiB
Diff
From a81f936d72caabbcf5698a6636185a8f6630d692 Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Fri, 2 Jan 2009 16:08:22 +0100
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Subject: [RFC 03/12] 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 | 7 +++++++
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drivers/net/wireless/ath9k/main.c | 8 +++++---
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2 files changed, 12 insertions(+), 3 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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@@ -721,6 +721,8 @@ struct ath_bus_ops {
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u32 (*reg_read)(struct ath_hal *ah, unsigned reg);
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void (*reg_write)(struct ath_hal *ah, unsigned reg, u32 val);
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+
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+ void (*read_cachesize)(struct ath_softc *sc, int *csz);
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};
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struct ath_softc {
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@@ -843,4 +845,9 @@ static inline void ath_reg_write(struct
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sc->bus_ops->reg_write(ah, reg, val);
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}
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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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@@ -41,8 +41,7 @@ static struct pci_device_id ath_pci_id_t
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static void ath_detach(struct ath_softc *sc);
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/* return bus cachesize in 4B word units */
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-
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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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@@ -59,6 +58,7 @@ static void bus_read_cachesize(struct at
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*csz = DEFAULT_CACHELINE >> 2; /* Use the default size */
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}
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+
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static void ath_setcurmode(struct ath_softc *sc, enum wireless_mode mode)
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{
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sc->cur_rate_table = sc->hw_rate_table[mode];
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@@ -1347,7 +1347,7 @@ 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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@@ -2618,6 +2618,8 @@ static struct ath_bus_ops ath_pci_bus_op
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.reg_read = ath_pci_reg_read,
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.reg_write = ath_pci_reg_write,
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+
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+ .read_cachesize = ath_pci_read_cachesize,
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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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