Re: [PATCH] iwlwifi: add missing type declaration

From: Luca Coelho
Date: Tue Jul 12 2016 - 04:14:58 EST


On Mon, 2016-07-11 at 22:49 +0200, Arnd Bergmann wrote:
> The iwl-debug.h header relies in implicit inclusion of linux/device.h
> and
> we get a lot of warnings without that:
>
> drivers/net/wireless/intel/iwlwifi/iwl-debug.h:44:23: error: 'struct
> device' declared inside parameter list will not be visible outside of
> this definition or declaration [-Werror]
> Âvoid __iwl_err(struct device *dev, bool rfkill_prefix, bool
> only_trace,
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ^~~~~~
> In file included from drivers/net/wireless/intel/iwlwifi/iwl-eeprom-
> read.h:66:0,
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom drivers/net/wireless/intel/iwlwifi/iwl-eeprom-
> read.c:68:
> drivers/net/wireless/intel/iwlwifi/iwl-trans.h: In function
> 'iwl_trans_tx':
> drivers/net/wireless/intel/iwlwifi/iwl-trans.h:1030:348: error:
> passing argument 1 of '__iwl_err' from incompatible pointer type [-
> Werror=incompatible-pointer-types]
> ÂÂÂIWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
> ÂÂÂ^
> In file included from drivers/net/wireless/intel/iwlwifi/iwl-eeprom-
> read.c:67:0:
> drivers/net/wireless/intel/iwlwifi/iwl-debug.h:44:6: note: expected
> 'struct device *' but argument is of type 'struct device *'
> Âvoid __iwl_err(struct device *dev, bool rfkill_prefix, bool
> only_trace,
> ÂÂÂÂÂÂ^~~~~~~~~
>
> The easiest workaround is to just declare 'struct device' before its
> first use,
> rather than including the entire header file.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 21cb3222fe56 ("iwlwifi: decouple PCIe transport from
> mac80211")
> ---

Acked-by: Luca Coelho <luciano.coelho@xxxxxxxxx>

Agree with Kalle that he will take this directly to wireless-drivers-
next.

--
Cheers,
Luca.