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| author |   Oleksij Rempel <linux@rempel-privat.de> | 2015-03-22 19:29:51 +0100 |
|---|---|---|
| committer |   Kalle Valo <kvalo@codeaurora.org> | 2015-03-30 11:31:29 +0300 |
| commit | a57cb45a0a051601e14f81436b62750cc4f478c3 (patch) | |
| tree | 4e24818d82bc299f92c0b023cf6eff1b9e618ad4 /drivers/net/wireless/ath/ath9k/hw.h | |
| parent | ath9k: add multi_read to be compatible with ath9k_htc (diff) | |
| download | linux-dev-a57cb45a0a051601e14f81436b62750cc4f478c3.tar.xz linux-dev-a57cb45a0a051601e14f81436b62750cc4f478c3.zip | |
ath9k: add new function ath9k_hw_read_array
REG_READ generate most overhead on usb bus. It send and read micro packages
and reduce usb bandwidth. To reduce this overhead we should read in batches.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 7b51d8e3696f..92fab1a54697 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -138,6 +138,8 @@ #define REG_WRITE_ARRAY(iniarray, column, regWr) \ ath9k_hw_write_array(ah, iniarray, column, &(regWr)) +#define REG_READ_ARRAY(ah, array, size) \ + ath9k_hw_read_array(ah, array, size) #define AR_GPIO_OUTPUT_MUX_AS_OUTPUT 0 #define AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED 1 @@ -1030,6 +1032,7 @@ void ath9k_hw_synth_delay(struct ath_hw *ah, struct ath9k_channel *chan, bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout); void ath9k_hw_write_array(struct ath_hw *ah, const struct ar5416IniArray *array, int column, unsigned int *writecnt); +void ath9k_hw_read_array(struct ath_hw *ah, u32 array[][2], int size); u32 ath9k_hw_reverse_bits(u32 val, u32 n); u16 ath9k_hw_computetxtime(struct ath_hw *ah, u8 phy, int kbps, |