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SubjectRe: [PATCH] mfd: mc13xxx-spi: make SPI buffers DMA-safe
Hi Marcus,

[auto build test ERROR on ljones-mfd/for-mfd-next]
[also build test ERROR on v4.9 next-20161219]
[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/Marcus-Folkesson/mfd-mc13xxx-spi-make-SPI-buffers-DMA-safe/20161209-212034
base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
config: s390-allmodconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=s390

All errors (new ones prefixed by >>):

drivers/mfd/mc13xxx-spi.c: In function 'mc13xxx_spi_read':
>> drivers/mfd/mc13xxx-spi.c:71:20: error: 'struct mc13xxx' has no member named 'wbuf'
.tx_buf = mc13xxx->wbuf,
^~
>> drivers/mfd/mc13xxx-spi.c:72:20: error: 'struct mc13xxx' has no member named 'rbuf'
.rx_buf = mc13xxx->rbuf,
^~
drivers/mfd/mc13xxx-spi.c:82:9: error: 'struct mc13xxx' has no member named 'wbuf'
mc13xxx->wbuf[0] = *(unsigned char *)reg;
^~
drivers/mfd/mc13xxx-spi.c:87:20: error: 'struct mc13xxx' has no member named 'rbuf'
memcpy(p, &mc13xxx->rbuf[1], 3);
^~

vim +71 drivers/mfd/mc13xxx-spi.c

65 {
66 unsigned char *p = val;
67 struct device *dev = context;
68 struct spi_device *spi = to_spi_device(dev);
69 struct mc13xxx *mc13xxx = dev_get_drvdata(dev);
70 struct spi_transfer t = {
> 71 .tx_buf = mc13xxx->wbuf,
> 72 .rx_buf = mc13xxx->rbuf,
73 .len = 4,
74 };
75

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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