From: kbuild test robot <lkp@intel.com>
To: Jitao Shi <jitao.shi@mediatek.com>
Cc: kbuild-all@01.org, David Airlie <airlied@linux.ie>,
Matthias Brugger <matthias.bgg@gmail.com>,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Jitao Shi <jitao.shi@mediatek.com>,
Thierry Reding <treding@nvidia.com>,
Ajay Kumar <ajaykumar.rs@samsung.com>,
Inki Dae <inki.dae@samsung.com>,
Rahul Sharma <rahul.sharma@samsung.com>,
Sean Paul <seanpaul@chromium.org>,
Vincent Palatin <vpalatin@chromium.org>,
Andy Yan <andy.yan@rock-chips.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Russell King <rmk+kernel@arm.linux.org.uk>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com,
Sascha Hauer <kernel@pengutronix.de>,
yingjoe.chen@mediatek.com, eddie.huang@mediatek.com,
cawa.cheng@mediatek.com, bibby.hsieh@mediatek.com,
ck.hu@mediatek.com, stonea168@163.com
Subject: Re: [PATCH v12 2/2] drm/bridge: Add I2C based driver for ps8640 bridge
Date: Wed, 16 Mar 2016 23:00:10 +0800 [thread overview]
Message-ID: <201603162215.JRlvsJLx%fengguang.wu@intel.com> (raw)
In-Reply-To: <1458134885-6748-2-git-send-email-jitao.shi@mediatek.com>
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Hi Jitao,
[auto build test WARNING on drm/drm-next]
[also build test WARNING on v4.5 next-20160316]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Jitao-Shi/Documentation-bridge-Add-documentation-for-ps8640-DT-properties/20160316-213031
base: git://people.freedesktop.org/~airlied/linux.git drm-next
config: x86_64-allmodconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
include/linux/compiler.h:228:8: sparse: attribute 'no_sanitize_address': unknown attribute
drivers/gpu/drm/bridge/parade-ps8640.c:114:30: sparse: invalid initializer
drivers/gpu/drm/bridge/parade-ps8640.c:430:24: sparse: undefined identifier 'of_find_mipi_dsi_host_by_node'
drivers/gpu/drm/bridge/parade-ps8640.c:114:37: warning: excess elements in scalar initializer
static const u8 hw_chip_id = {0x00, 0x0a, 0x00, 0x30};
^
drivers/gpu/drm/bridge/parade-ps8640.c:114:37: note: (near initialization for 'hw_chip_id')
drivers/gpu/drm/bridge/parade-ps8640.c:114:43: warning: excess elements in scalar initializer
static const u8 hw_chip_id = {0x00, 0x0a, 0x00, 0x30};
^
drivers/gpu/drm/bridge/parade-ps8640.c:114:43: note: (near initialization for 'hw_chip_id')
drivers/gpu/drm/bridge/parade-ps8640.c:114:49: warning: excess elements in scalar initializer
static const u8 hw_chip_id = {0x00, 0x0a, 0x00, 0x30};
^
drivers/gpu/drm/bridge/parade-ps8640.c:114:49: note: (near initialization for 'hw_chip_id')
drivers/gpu/drm/bridge/parade-ps8640.c: In function 'ps8640_bridge_attach':
drivers/gpu/drm/bridge/parade-ps8640.c:430:10: error: implicit declaration of function 'of_find_mipi_dsi_host_by_node' [-Werror=implicit-function-declaration]
host = of_find_mipi_dsi_host_by_node(dsi_node);
^
drivers/gpu/drm/bridge/parade-ps8640.c:430:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
host = of_find_mipi_dsi_host_by_node(dsi_node);
^
drivers/gpu/drm/bridge/parade-ps8640.c: In function 'ps8640_check_chip_id':
>> drivers/gpu/drm/bridge/parade-ps8640.c:717:21: warning: passing argument 2 of 'memcmp' makes pointer from integer without a cast [-Wint-conversion]
return memcmp(buf, hw_chip_id, sizeof(buf));
^
In file included from include/linux/bitmap.h:8:0,
from include/linux/cpumask.h:11,
from arch/x86/include/asm/cpumask.h:4,
from arch/x86/include/asm/msr.h:10,
from arch/x86/include/asm/processor.h:20,
from arch/x86/include/asm/thread_info.h:52,
from include/linux/thread_info.h:54,
from arch/x86/include/asm/preempt.h:6,
from include/linux/preempt.h:59,
from include/linux/spinlock.h:50,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:5,
from include/linux/firmware.h:6,
from drivers/gpu/drm/bridge/parade-ps8640.c:16:
include/linux/string.h:112:12: note: expected 'const void *' but argument is of type 'u8 {aka const unsigned char}'
extern int memcmp(const void *,const void *,__kernel_size_t);
^
cc1: some warnings being treated as errors
sparse warnings: (new ones prefixed by >>)
include/linux/compiler.h:228:8: sparse: attribute 'no_sanitize_address': unknown attribute
>> drivers/gpu/drm/bridge/parade-ps8640.c:114:30: sparse: invalid initializer
drivers/gpu/drm/bridge/parade-ps8640.c:430:24: sparse: undefined identifier 'of_find_mipi_dsi_host_by_node'
drivers/gpu/drm/bridge/parade-ps8640.c:114:37: warning: excess elements in scalar initializer
static const u8 hw_chip_id = {0x00, 0x0a, 0x00, 0x30};
^
drivers/gpu/drm/bridge/parade-ps8640.c:114:37: note: (near initialization for 'hw_chip_id')
drivers/gpu/drm/bridge/parade-ps8640.c:114:43: warning: excess elements in scalar initializer
static const u8 hw_chip_id = {0x00, 0x0a, 0x00, 0x30};
^
drivers/gpu/drm/bridge/parade-ps8640.c:114:43: note: (near initialization for 'hw_chip_id')
drivers/gpu/drm/bridge/parade-ps8640.c:114:49: warning: excess elements in scalar initializer
static const u8 hw_chip_id = {0x00, 0x0a, 0x00, 0x30};
^
drivers/gpu/drm/bridge/parade-ps8640.c:114:49: note: (near initialization for 'hw_chip_id')
drivers/gpu/drm/bridge/parade-ps8640.c: In function 'ps8640_bridge_attach':
drivers/gpu/drm/bridge/parade-ps8640.c:430:10: error: implicit declaration of function 'of_find_mipi_dsi_host_by_node' [-Werror=implicit-function-declaration]
host = of_find_mipi_dsi_host_by_node(dsi_node);
^
drivers/gpu/drm/bridge/parade-ps8640.c:430:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
host = of_find_mipi_dsi_host_by_node(dsi_node);
^
drivers/gpu/drm/bridge/parade-ps8640.c: In function 'ps8640_check_chip_id':
drivers/gpu/drm/bridge/parade-ps8640.c:717:21: warning: passing argument 2 of 'memcmp' makes pointer from integer without a cast [-Wint-conversion]
return memcmp(buf, hw_chip_id, sizeof(buf));
^
In file included from include/linux/bitmap.h:8:0,
from include/linux/cpumask.h:11,
from arch/x86/include/asm/cpumask.h:4,
from arch/x86/include/asm/msr.h:10,
from arch/x86/include/asm/processor.h:20,
from arch/x86/include/asm/thread_info.h:52,
from include/linux/thread_info.h:54,
from arch/x86/include/asm/preempt.h:6,
from include/linux/preempt.h:59,
from include/linux/spinlock.h:50,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:5,
from include/linux/firmware.h:6,
from drivers/gpu/drm/bridge/parade-ps8640.c:16:
include/linux/string.h:112:12: note: expected 'const void *' but argument is of type 'u8 {aka const unsigned char}'
extern int memcmp(const void *,const void *,__kernel_size_t);
^
cc1: some warnings being treated as errors
vim +/memcmp +717 drivers/gpu/drm/bridge/parade-ps8640.c
701
702 ret = ps8640_wait_rom_idle(ps_bridge);
703 if (ret) {
704 dev_err(dev, "fail wait rom idle: %d\n", ret);
705 return ret;
706 }
707
708 return 0;
709 }
710
711 static int ps8640_check_chip_id(struct ps8640 *ps_bridge)
712 {
713 struct i2c_client *client = ps_bridge->page[4];
714 u8 buf[4];
715
716 ps8640_read(client, PAGE4_REV_L, buf, 4);
> 717 return memcmp(buf, hw_chip_id, sizeof(buf));
718 }
719
720 static int ps8640_validate_firmware(struct ps8640 *ps_bridge,
721 const struct firmware *fw)
722 {
723 struct i2c_client *client = ps_bridge->page[0];
724 u16 fw_chip_id;
725
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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prev parent reply other threads:[~2016-03-16 15:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-16 13:28 [PATCH v12 1/2] Documentation: bridge: Add documentation for ps8640 DT properties Jitao Shi
2016-03-16 13:28 ` [PATCH v12 2/2] drm/bridge: Add I2C based driver for ps8640 bridge Jitao Shi
2016-03-16 14:39 ` kbuild test robot
2016-03-16 15:00 ` kbuild test robot [this message]
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