Re: [PATCH v5 02/18] remoteproc: st_slim_rproc: add a slimcore rproc driver

From: kbuild test robot <lkp@intel.com>
To: Peter Griffin <peter.griffin@linaro.org>
Cc: kbuild-all@01.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, kernel@stlinux.com,
	maxime.coquelin@st.com, patrice.chotard@st.com,
	srinivas.kandagatla@gmail.com, vinod.koul@intel.com,
	bjorn.andersson@linaro.org, arnaud.pouliquen@st.com,
	arnd@arndb.de, peter.griffin@linaro.org, lee.jones@linaro.org,
	dmaengine@vger.kernel.org, linux-remoteproc@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v5 02/18] remoteproc: st_slim_rproc: add a slimcore rproc driver
Date: Wed, 8 Jun 2016 01:20:48 +0800	[thread overview]
Message-ID: <201606080142.ujZMSAIX%fengguang.wu@intel.com> (raw)
In-Reply-To: <1465316352-20691-3-git-send-email-peter.griffin@linaro.org>

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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);

---
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