linux-kernel - Re: [PATCH 3/4] i3c: master: svc: Add Silvaco I3C master driver

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Message-ID: <202007091717.4pKLdwqA%lkp@intel.com>
Date:   Thu, 9 Jul 2020 18:02:03 +0800
From:   kernel test robot <lkp@...el.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Boris Brezillon <bbrezillon@...nel.org>,
        linux-i3c@...ts.infradead.org
Cc:     kbuild-all@...ts.01.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Conor Culhane <conor.culhane@...vaco.com>,
        Rajeev Huralikoppi <rajeev.huralikoppi@...vaco.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: Re: [PATCH 3/4] i3c: master: svc: Add Silvaco I3C master driver

Hi Miquel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v5.8-rc4 next-20200709]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Miquel-Raynal/dt-bindings-Add-vendor-prefix-for-Silvaco/20200709-160518
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/i3c/master/svc-i3c-master.c:189:6: warning: no previous prototype for 'svc_i3c_master_enable_interrupts' [-Wmissing-prototypes]
     189 | void svc_i3c_master_enable_interrupts(struct svc_i3c_master *master, u32 mask)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/i3c/master/svc-i3c-master.c:194:6: warning: no previous prototype for 'svc_i3c_master_disable_interrupts' [-Wmissing-prototypes]
     194 | void svc_i3c_master_disable_interrupts(struct svc_i3c_master *master)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/i3c/master/svc-i3c-master.c: In function 'svc_i3c_master_bus_init':
   drivers/i3c/master/svc-i3c-master.c:456:20: warning: comparison is always false due to limited range of data type [-Wtype-limits]
     456 |  if (info.dyn_addr < 0)
         |                    ^
   drivers/i3c/master/svc-i3c-master.c: In function 'svc_i3c_master_do_daa_locked':
   drivers/i3c/master/svc-i3c-master.c:691:21: warning: comparison is always false due to limited range of data type [-Wtype-limits]
     691 |   if (addrs[dev_nb] < 0)
         |                     ^

vim +/svc_i3c_master_enable_interrupts +189 drivers/i3c/master/svc-i3c-master.c

   188	
 > 189	void svc_i3c_master_enable_interrupts(struct svc_i3c_master *master, u32 mask)
   190	{
   191		writel(mask, master->regs + SVC_I3C_MINTSET);
   192	}
   193	
 > 194	void svc_i3c_master_disable_interrupts(struct svc_i3c_master *master)
   195	{
   196		u32 mask = readl(master->regs + SVC_I3C_MINTSET);
   197	
   198		writel(mask, master->regs + SVC_I3C_MINTCLR);
   199	}
   200	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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