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SubjectRe: [PATCH v1 2/2] dmaengine: stm32-mdma: Fix incomplete Hw descriptors allocator
Hi Pierre-Yves,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.16-rc5 next-20180316]
[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/Pierre-Yves-MORDRET/dmaengine-stm32-mdma-align-TLEN-and-buffer-length-on-burst/20180316-154837
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=sparc64

All warnings (new ones prefixed by >>):

In file included from include/linux/printk.h:329:0,
from include/linux/kernel.h:14,
from include/linux/clk.h:16,
from drivers//dma/stm32-mdma.c:24:
drivers//dma/stm32-mdma.c: In function 'stm32_mdma_dump_hwdesc':
>> drivers//dma/stm32-mdma.c:691:26: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
dev_dbg(chan2dev(chan), "hwdesc: 0x%08x\n", node->hwdesc_phys);
^ ~~~~~~~
include/linux/dynamic_debug.h:135:39: note: in definition of macro 'dynamic_dev_dbg'
__dynamic_dev_dbg(&descriptor, dev, fmt, \
^~~
>> drivers//dma/stm32-mdma.c:691:2: note: in expansion of macro 'dev_dbg'
dev_dbg(chan2dev(chan), "hwdesc: 0x%08x\n", node->hwdesc_phys);
^~~~~~~

vim +/dev_dbg +691 drivers//dma/stm32-mdma.c

687
688 static void stm32_mdma_dump_hwdesc(struct stm32_mdma_chan *chan,
689 struct stm32_mdma_desc_node *node)
690 {
> 691 dev_dbg(chan2dev(chan), "hwdesc: 0x%08x\n", node->hwdesc_phys);
692 dev_dbg(chan2dev(chan), "CTCR: 0x%08x\n", node->hwdesc->ctcr);
693 dev_dbg(chan2dev(chan), "CBNDTR: 0x%08x\n", node->hwdesc->cbndtr);
694 dev_dbg(chan2dev(chan), "CSAR: 0x%08x\n", node->hwdesc->csar);
695 dev_dbg(chan2dev(chan), "CDAR: 0x%08x\n", node->hwdesc->cdar);
696 dev_dbg(chan2dev(chan), "CBRUR: 0x%08x\n", node->hwdesc->cbrur);
697 dev_dbg(chan2dev(chan), "CLAR: 0x%08x\n", node->hwdesc->clar);
698 dev_dbg(chan2dev(chan), "CTBR: 0x%08x\n", node->hwdesc->ctbr);
699 dev_dbg(chan2dev(chan), "CMAR: 0x%08x\n", node->hwdesc->cmar);
700 dev_dbg(chan2dev(chan), "CMDR: 0x%08x\n\n", node->hwdesc->cmdr);
701 }
702

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