linux-kernel - Re: [PATCH v5 02/18] remoteproc: st_slim

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Message-ID: <201606080142.ujZMSAIX%fengguang.wu@intel.com>
Date:	Wed, 8 Jun 2016 01:20:48 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Peter Griffin <peter.griffin@...aro.org>
Cc:	kbuild-all@...org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, kernel@...inux.com,
	maxime.coquelin@...com, patrice.chotard@...com,
	srinivas.kandagatla@...il.com, vinod.koul@...el.com,
	bjorn.andersson@...aro.org, arnaud.pouliquen@...com, arnd@...db.de,
	peter.griffin@...aro.org, lee.jones@...aro.org,
	dmaengine@...r.kernel.org, linux-remoteproc@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v5 02/18] remoteproc: st_slim_rproc: add a slimcore rproc
 driver

Hi,

[auto build test WARNING on robh/for-next]
[also build test WARNING on v4.7-rc2 next-20160607]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Peter-Griffin/Add-support-for-FDMA-DMA-controller-and-slim-core-rproc-found-on-STi-chipsets/20160608-002710
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux for-next
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/remoteproc/st_slim_rproc.c: In function 'slim_rproc_start':
>> drivers/remoteproc/st_slim_rproc.c:137:9: warning: large integer implicitly truncated to unsigned type [-Woverflow]
     writel(~0UL, slim_rproc->peri + SLIM_INT_CLR_OFST);
            ^
   drivers/remoteproc/st_slim_rproc.c:138:9: warning: large integer implicitly truncated to unsigned type [-Woverflow]
     writel(~0UL, slim_rproc->peri + SLIM_CMD_CLR_OFST);
            ^
   drivers/remoteproc/st_slim_rproc.c:141:9: warning: large integer implicitly truncated to unsigned type [-Woverflow]
     writel(~0UL, slim_rproc->peri + SLIM_INT_MASK_OFST);
            ^
   drivers/remoteproc/st_slim_rproc.c:142:9: warning: large integer implicitly truncated to unsigned type [-Woverflow]
     writel(~0UL, slim_rproc->peri + SLIM_CMD_MASK_OFST);
            ^

vim +137 drivers/remoteproc/st_slim_rproc.c

   121			dev_err(dev, "Failed to enable clocks\n");
   122			goto err_clk;
   123		}
   124	
   125		/* disable CPU pipeline clock & reset cpu pipeline */
   126		val = SLIM_CLK_GATE_DIS | SLIM_CLK_GATE_RESET;
   127		writel(val, slim_rproc->slimcore + SLIM_CLK_GATE_OFST);
   128	
   129		/* disable SLIM core STBus sync */
   130		writel(SLIM_STBUS_SYNC_DIS, slim_rproc->peri + SLIM_STBUS_SYNC_OFST);
   131	
   132		/* enable cpu pipeline clock */
   133		writel(!SLIM_CLK_GATE_DIS,
   134			slim_rproc->slimcore + SLIM_CLK_GATE_OFST);
   135	
   136		/* clear int & cmd mailbox */
 > 137		writel(~0UL, slim_rproc->peri + SLIM_INT_CLR_OFST);
   138		writel(~0UL, slim_rproc->peri + SLIM_CMD_CLR_OFST);
   139	
   140		/* enable all channels cmd & int */
   141		writel(~0UL, slim_rproc->peri + SLIM_INT_MASK_OFST);
   142		writel(~0UL, slim_rproc->peri + SLIM_CMD_MASK_OFST);
   143	
   144		/* enable cpu */
   145		writel(SLIM_EN_RUN, slim_rproc->slimcore + SLIM_EN_OFST);

---
0-DAY kernel test infrastructure                Open Source Technology Center
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