Re: [PATCH 2/2] dmaengine: dma: Add Hiedma Controller v310 Device Driver

kernel test robot
2020-11-15T20:11:04Z

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Hi Dongjiu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on vkoul-dmaengine/next]
[also build test WARNING on robh/for-next pza/reset/next v5.10-rc3 next-20201113]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Dongjiu-Geng/dt-bindings-dma-Add-DT-bindings-for-HiSilicon-Hiedma-Controller/20201114-001353
base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/bafd07a67a5daf6eefedcd050312e9ee307c255a
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Dongjiu-Geng/dt-bindings-dma-Add-DT-bindings-for-HiSilicon-Hiedma-Controller/20201114-001353
git checkout bafd07a67a5daf6eefedcd050312e9ee307c255a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64

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

All warnings (new ones prefixed by >>):

>> drivers/dma/hiedmacv310.c:144:6: warning: no previous prototype for 'dump_lli' [-Wmissing-prototypes]
144 | void dump_lli(u64 *llis_vaddr, unsigned int num)
| ^~~~~~~~
drivers/dma/hiedmacv310.c: In function 'hiedmac_pause_phy_chan':
>> drivers/dma/hiedmacv310.c:527:28: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
527 | phychan->id, timeout);
| ^
drivers/dma/hiedmacv310.c: At top level:
>> drivers/dma/hiedmacv310.c:650:23: warning: no previous prototype for 'hiedmac_init_tsf_desc' [-Wmissing-prototypes]
650 | struct transfer_desc *hiedmac_init_tsf_desc(struct dma_chan *chan,
| ^~~~~~~~~~~~~~~~~~~~~
>> drivers/dma/hiedmacv310.c:1088:6: warning: no previous prototype for 'handle_irq' [-Wmissing-prototypes]
1088 | bool handle_irq(struct hiedmacv310_driver_data *hiedmac, int chan_id)
| ^~~~~~~~~~
>> drivers/dma/hiedmacv310.c:1210:6: warning: no previous prototype for 'hiedmac_free_virt_channels' [-Wmissing-prototypes]
1210 | void hiedmac_free_virt_channels(struct dma_device *dmadev)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/dump_lli +144 drivers/dma/hiedmacv310.c

142
143 #else
> 144 void dump_lli(u64 *llis_vaddr, unsigned int num)
145 {
146 }
147 #endif
148

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

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