Re: [PATCH v2] rtlwifi: btcoex: Use proper enumerated types for Wi-Fi only interface

From: Pkshih
Date: Mon Sep 24 2018 - 22:44:01 EST


On Sat, 2018-09-22 at 23:31 -0700, Nathan Chancellor wrote:
> Clang warns when one enumerated type is implicitly converted to another.
>
> drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c:1327:34:
> warning: implicit conversion from enumeration type 'enum
> btc_chip_interface' to different enumeration type 'enum
> wifionly_chip_interface' [-Wenum-conversion]
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂwifionly_cfg->chip_interface = BTC_INTF_PCI;
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ~ ^~~~~~~~~~~~
> drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c:1330:34:
> warning: implicit conversion from enumeration type 'enum
> btc_chip_interface' to different enumeration type 'enum
> wifionly_chip_interface' [-Wenum-conversion]
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂwifionly_cfg->chip_interface = BTC_INTF_USB;
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ~ ^~~~~~~~~~~~
> drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c:1333:34:
> warning: implicit conversion from enumeration type 'enum
> btc_chip_interface' to different enumeration type 'enum
> wifionly_chip_interface' [-Wenum-conversion]
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂwifionly_cfg->chip_interface = BTC_INTF_UNKNOWN;
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ~ ^~~~~~~~~~~~~~~~
> 3 warnings generated.
>
> Use the values from the correct enumerated type, wifionly_chip_interface.
>
> BTC_INTF_UNKNOWN = WIFIONLY_INTF_UNKNOWN = 0
> BTC_INTF_PCI = WIFIONLY_INTF_PCI = 1
> BTC_INTF_USB = WIFIONLY_INTF_USB = 2
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/135
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>

Acked-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>