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RE: [PATCH] rtw88: Remove set but not used variable 'ip_sel' and 'orig'

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> -----Original Message-----
> From: YueHaibing [mailto:yuehaibing@xxxxxxxxxx]
> Sent: Wednesday, May 29, 2019 10:58 PM
> To: Tony Chuang; kvalo@xxxxxxxxxxxxxx; davem@xxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx;
> linux-wireless@xxxxxxxxxxxxxxx; YueHaibing
> Subject: [PATCH] rtw88: Remove set but not used variable 'ip_sel' and 'orig'
> 
> Fixes gcc '-Wunused-but-set-variable' warnings:
> 
> drivers/net/wireless/realtek/rtw88/pci.c: In function rtw_pci_phy_cfg:
> drivers/net/wireless/realtek/rtw88/pci.c:978:6: warning: variable ip_sel set
> but not used [-Wunused-but-set-variable]
> drivers/net/wireless/realtek/rtw88/phy.c: In function
> phy_tx_power_limit_config:
> drivers/net/wireless/realtek/rtw88/phy.c:1607:11: warning: variable orig set
> but not used [-Wunused-but-set-variable]
> 
> They are never used, so can be removed.
> 
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
>  drivers/net/wireless/realtek/rtw88/pci.c | 3 ---
>  drivers/net/wireless/realtek/rtw88/phy.c | 3 +--
>  2 files changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/drivers/net/wireless/realtek/rtw88/pci.c
> b/drivers/net/wireless/realtek/rtw88/pci.c
> index 353871c27779..8329f4e447b7 100644
> --- a/drivers/net/wireless/realtek/rtw88/pci.c
> +++ b/drivers/net/wireless/realtek/rtw88/pci.c
> @@ -977,7 +977,6 @@ static void rtw_pci_phy_cfg(struct rtw_dev *rtwdev)
>  	u16 cut;
>  	u16 value;
>  	u16 offset;
> -	u16 ip_sel;
>  	int i;
> 
>  	cut = BIT(0) << rtwdev->hal.cut_version;
> @@ -990,7 +989,6 @@ static void rtw_pci_phy_cfg(struct rtw_dev *rtwdev)
>  			break;
>  		offset = para->offset;
>  		value = para->value;
> -		ip_sel = para->ip_sel;
>  		if (para->ip_sel == RTW_IP_SEL_PHY)
>  			rtw_mdio_write(rtwdev, offset, value, true);
>  		else
> @@ -1005,7 +1003,6 @@ static void rtw_pci_phy_cfg(struct rtw_dev
> *rtwdev)
>  			break;
>  		offset = para->offset;
>  		value = para->value;
> -		ip_sel = para->ip_sel;
>  		if (para->ip_sel == RTW_IP_SEL_PHY)
>  			rtw_mdio_write(rtwdev, offset, value, false);
>  		else
> diff --git a/drivers/net/wireless/realtek/rtw88/phy.c
> b/drivers/net/wireless/realtek/rtw88/phy.c
> index 404d89432c96..c3e75ffe27b5 100644
> --- a/drivers/net/wireless/realtek/rtw88/phy.c
> +++ b/drivers/net/wireless/realtek/rtw88/phy.c
> @@ -1604,12 +1604,11 @@ void rtw_phy_tx_power_by_rate_config(struct
> rtw_hal *hal)
>  static void
>  phy_tx_power_limit_config(struct rtw_hal *hal, u8 regd, u8 bw, u8 rs)
>  {
> -	s8 base, orig;
> +	s8 base;
>  	u8 ch;
> 
>  	for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_2G; ch++) {
>  		base = hal->tx_pwr_by_rate_base_2g[0][rs];
> -		orig = hal->tx_pwr_limit_2g[regd][bw][rs][ch];
>  		hal->tx_pwr_limit_2g[regd][bw][rs][ch] -= base;
>  	}
> 


Hi Haibing

I have submitted a patch fix the unused variable in phy.c
Which is,

> drivers/net/wireless/realtek/rtw88/phy.c: In function
> phy_tx_power_limit_config:
> drivers/net/wireless/realtek/rtw88/phy.c:1607:11: warning: variable orig set
> but not used [-Wunused-but-set-variable]

Can you drop the changes in phy.c and remain the changes in pci.c?
Thanks.

Yan-Hsuan



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