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ath9k_hw: add a new register op for read-mask-write

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Reduces the number of calls to register ops. On MIPS this reduces the
ath9k_hw binary size from 321k down to 310k

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2011-03-23 20:57:25 +01:00
committed by John W. Linville
parent f9f84e96f6
commit 845e03c93d
4 changed files with 42 additions and 6 deletions
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12
drivers/net/wireless/ath/ath9k/htc_drv_init.c
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@@ -430,6 +430,17 @@ static void ath9k_regwrite_flush(void *hw_priv)
mutex_unlock(&priv->wmi->multi_write_mutex);
}
static u32 ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr)
{
u32 val;
val = ath9k_regread(hw_priv, reg_offset);
val &= ~clr;
val |= set;
ath9k_regwrite(hw_priv, val, reg_offset);
return val;
}
static void ath_usb_read_cachesize(struct ath_common *common, int *csz)
{
*csz = L1_CACHE_BYTES >> 2;
@@ -655,6 +666,7 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv,
ah->reg_ops.write = ath9k_regwrite;
ah->reg_ops.enable_write_buffer = ath9k_enable_regwrite_buffer;
ah->reg_ops.write_flush = ath9k_regwrite_flush;
ah->reg_ops.rmw = ath9k_reg_rmw;
priv->ah = ah;
common = ath9k_hw_common(ah);