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

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Message-ID: <1537843423.3221.0.camel@realtek.com>
Date:   Tue, 25 Sep 2018 02:43:50 +0000
From:   Pkshih <pkshih@...ltek.com>
To:     "kvalo@...eaurora.org" <kvalo@...eaurora.org>,
        "natechancellor@...il.com" <natechancellor@...il.com>
CC:     "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] rtlwifi: btcoex: Use proper enumerated types for Wi-Fi only interface

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]
>                 wifionly_cfg->chip_interface = BTC_INTF_PCI;
>                                              ~ ^~~~~~~~~~~~
> 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]
>                 wifionly_cfg->chip_interface = BTC_INTF_USB;
>                                              ~ ^~~~~~~~~~~~
> 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]
>                 wifionly_cfg->chip_interface = BTC_INTF_UNKNOWN;
>                                              ~ ^~~~~~~~~~~~~~~~
> 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@...il.com>

Acked-by: Ping-Ke Shih <pkshih@...ltek.com>