关于linux内核编译过程中打印出警告问题

kangliuye

In file included from drivers/net/wireless/brcm80211/brcmfmac/sdio.c:25:0:
include/linux/mmc/sdio.h:193:35: 警告： ‘struct mmc_host’ declared inside parameter list
void mmc_sdio_force_remove(struct mmc_host *host);
                                   ^
include/linux/mmc/sdio.h:193:35: 警告： its scope is only this definition or declaration, which is probably not what you want
编译linux内核打印过程中出现这样的警告，但是最终能编译出ZImage，请问是什么原因呢

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kangliuye

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