leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ath5k:Remove __raw_read and __raw_write

Browse Source 
By swithing from our __raw_read and __raw_write functions to ioread32 and iowrite32,
benchmarks on my desk with iperf went from 11MBps to 18.1MBps using the AHB bus
on an EnGenius ECB3500 running OpenWRT.

Signed-off-by: Jonathan Bither <jonbither@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jonathan Bither 2012-02-13 21:47:45 -05:00 committed by John W. Linville
parent 8860020e0b
commit cede8b6480
3 changed files with 17 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/net/wireless/ath/ath5k/ahb.c
View File

@ -140,23 +140,23 @@ static int ath_ahb_probe(struct platform_device *pdev)
if (bcfg->devid >= AR5K_SREV_AR2315_R6) {
/* Enable WMAC AHB arbitration */
reg = __raw_readl((void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
reg = ioread32((void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
reg |= AR5K_AR2315_AHB_ARB_CTL_WLAN;
__raw_writel(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
iowrite32(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
/* Enable global WMAC swapping */
reg = __raw_readl((void __iomem *) AR5K_AR2315_BYTESWAP);
reg = ioread32((void __iomem *) AR5K_AR2315_BYTESWAP);
reg |= AR5K_AR2315_BYTESWAP_WMAC;
__raw_writel(reg, (void __iomem *) AR5K_AR2315_BYTESWAP);
iowrite32(reg, (void __iomem *) AR5K_AR2315_BYTESWAP);
} else {
/* Enable WMAC DMA access (assuming 5312 or 231x*/
/* TODO: check other platforms */
reg = __raw_readl((void __iomem *) AR5K_AR5312_ENABLE);
reg = ioread32((void __iomem *) AR5K_AR5312_ENABLE);
if (to_platform_device(ah->dev)->id == 0)
reg |= AR5K_AR5312_ENABLE_WLAN0;
else
reg |= AR5K_AR5312_ENABLE_WLAN1;
__raw_writel(reg, (void __iomem *) AR5K_AR5312_ENABLE);
iowrite32(reg, (void __iomem *) AR5K_AR5312_ENABLE);
/*
* On a dual-band AR5312, the multiband radio is only
@ -203,17 +203,17 @@ static int ath_ahb_remove(struct platform_device *pdev)
if (bcfg->devid >= AR5K_SREV_AR2315_R6) {
/* Disable WMAC AHB arbitration */
reg = __raw_readl((void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
reg = ioread32((void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
reg &= ~AR5K_AR2315_AHB_ARB_CTL_WLAN;
__raw_writel(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
iowrite32(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
} else {
/*Stop DMA access */
reg = __raw_readl((void __iomem *) AR5K_AR5312_ENABLE);
reg = ioread32((void __iomem *) AR5K_AR5312_ENABLE);
if (to_platform_device(ah->dev)->id == 0)
reg &= ~AR5K_AR5312_ENABLE_WLAN0;
else
reg &= ~AR5K_AR5312_ENABLE_WLAN1;
__raw_writel(reg, (void __iomem *) AR5K_AR5312_ENABLE);
iowrite32(reg, (void __iomem *) AR5K_AR5312_ENABLE);
}
ath5k_deinit_ah(ah);

4
drivers/net/wireless/ath/ath5k/ath5k.h
View File

@ -1656,12 +1656,12 @@ static inline void __iomem *ath5k_ahb_reg(struct ath5k_hw *ah, u16 reg)
static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
{
return __raw_readl(ath5k_ahb_reg(ah, reg));
return ioread32(ath5k_ahb_reg(ah, reg));
}
static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg)
{
__raw_writel(val, ath5k_ahb_reg(ah, reg));
iowrite32(val, ath5k_ahb_reg(ah, reg));
}
#else

10
drivers/net/wireless/ath/ath5k/reset.c
View File

@ -473,14 +473,14 @@ ath5k_hw_wisoc_reset(struct ath5k_hw *ah, u32 flags)
}
/* Put BB/MAC into reset */
regval = __raw_readl(reg);
__raw_writel(regval | val, reg);
regval = __raw_readl(reg);
regval = ioread32(reg);
iowrite32(regval | val, reg);
regval = ioread32(reg);
usleep_range(100, 150);
/* Bring BB/MAC out of reset */
__raw_writel(regval & ~val, reg);
regval = __raw_readl(reg);
iowrite32(regval & ~val, reg);
regval = ioread32(reg);
/*
* Reset configuration register (for hw byte-swap). Note that this