From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756832AbaGVURY (ORCPT ); Tue, 22 Jul 2014 16:17:24 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:48848 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751462AbaGVURX (ORCPT ); Tue, 22 Jul 2014 16:17:23 -0400 Date: Tue, 22 Jul 2014 13:17:22 -0700 From: Greg KH To: Jeff Oczek Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] staging: cxt1e1: Fix static symbol sparse warnings for global vars in linux.c Message-ID: <20140722201722.GA20515@kroah.com> References: <1406059671-6536-1-git-send-email-jeffoczek@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1406059671-6536-1-git-send-email-jeffoczek@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 22, 2014 at 04:07:51PM -0400, Jeff Oczek wrote: > Put extern declarations in cxt1e1_common.h to reduce sparse warnings for linux.c: > drivers/staging/cxt1e1/linux.c:86:13: warning: > symbol 'error_flag' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:91:13: warning: > symbol 'cxt1e1_max_mru' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:95:13: warning: > symbol 'cxt1e1_max_mtu' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:96:13: warning: > symbol 'max_mtu_default' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:99:13: warning: > symbol 'max_txdesc_used' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:100:13: warning: > symbol 'max_txd:esc_default' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:103:13: warning: > symbol 'max_rxdesc_used' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:104:13: warning: > symbol 'max_rxdesc_default' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:153:1: warning: > symbol 'c4_wk_chan_restart' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:171:1: warning: > symbol 'c4_wk_chan_init' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:186:1: warning: > symbol 'c4_wq_port_init' was not declared. Should it be static? > drivers/staging/cxt1e1/linux.c:208:1: warning: > symbol 'c4_wq_port_cleanup' was not declared. Should it be static? > > Signed-off-by: Jeff Oczek > --- > drivers/staging/cxt1e1/cxt1e1_common.h | 15 +++++++++++++++ > drivers/staging/cxt1e1/hwprobe.c | 2 +- > drivers/staging/cxt1e1/linux.c | 2 +- > drivers/staging/cxt1e1/musycc.c | 7 +------ > drivers/staging/cxt1e1/pmcc4_drv.c | 5 +---- > 5 files changed, 19 insertions(+), 12 deletions(-) > create mode 100644 drivers/staging/cxt1e1/cxt1e1_common.h > > diff --git a/drivers/staging/cxt1e1/cxt1e1_common.h b/drivers/staging/cxt1e1/cxt1e1_common.h > new file mode 100644 > index 0000000..ac6b974 > --- /dev/null > +++ b/drivers/staging/cxt1e1/cxt1e1_common.h > @@ -0,0 +1,15 @@ > +#ifndef __CXT1E1_COMMON_H > +#define __CXT1E1_COMMON_H > + > +#include "pmcc4.h" > + > +extern int error_flag; I know you didn't name this variable, but wow, that's a horrid name for a global variable :) Any way you could change this to first fix up the name of the variable to something a bit more "device-specific" first, before this patch? Perhaps "cxt1e1_error_flag"? > +extern int cxt1e1_max_mru; > +extern int cxt1e1_max_mtu; These are fine. > +extern int max_mtu_default; > +extern int max_txdesc_used; > +extern int max_txdesc_default; > +extern int max_rxdesc_used; > +extern int max_rxdesc_default; Again, these are bad names, can you do the same thing here? thanks, greg k-h