12:55 p.m.
Hi Colin,
[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on next-20211217]
[also build test WARNING on v5.16-rc5]
[cannot apply to net-next/master lee-mfd/for-mfd-next linusw-pinctrl/devel net/master
horms-ipvs/master linus/master v5.16-rc5 v5.16-rc4 v5.16-rc3]
[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/Colin-Foster/add-support-for-VSC...
base: c122052c3cb861b3e61a01d2c2ab9069e470663e
config: m68k-allmodconfig
(https://download.01.org/0day-ci/archive/20211219/202112190908.GDAHmtPe-lk...)
compiler: m68k-linux-gcc (GCC) 11.2.0
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/ec7f2a8290ac0b1f74a64884f16444c56...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Colin-Foster/add-support-for-VSC75XX-control-over-SPI/20211219-055252
git checkout ec7f2a8290ac0b1f74a64884f16444c56edb274f
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir
ARCH=m68k SHELL=/bin/bash drivers/mfd/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
drivers/mfd/ocelot-spi.c: In function 'ocelot_spi_reg_read':
> drivers/mfd/ocelot-spi.c:124:28: warning: variable
'ocelot_spi' set but not used [-Wunused-but-set-variable]
124 |
struct ocelot_spi *ocelot_spi;
| ^~~~~~~~~~
vim +/ocelot_spi +124 drivers/mfd/ocelot-spi.c
118
119 static int ocelot_spi_reg_read(void *context, unsigned int reg,
120 unsigned int *val)
121 {
122 struct ocelot_spi_regmap_context *regmap_context = context;
123 struct spi_transfer tx, padding, rx;
124 struct ocelot_spi *ocelot_spi;
125 struct spi_message
msg;
126 struct spi_device *spi;
127 unsigned int addr;
128 u8 *tx_buf;
129
130 WARN_ON(!val);
131
132 spi = regmap_context->spi;
133
134 ocelot_spi = spi_get_drvdata(spi);
135
136 addr = ocelot_spi_translate_address(reg + regmap_context->base);
137 tx_buf = (u8 *)&addr;
138
139 spi_message_init(&msg);
140
141 memset(&tx, 0, sizeof(struct spi_transfer));
142
143 /* Ignore the first byte for the 24-bit address */
144 tx.tx_buf = &tx_buf[1];
145 tx.len = 3;
146
147 spi_message_add_tail(&tx, &msg);
148
149 if (regmap_context->padding_bytes > 0) {
150 u8 dummy_buf[16] = {0};
151
152 memset(&padding, 0, sizeof(struct spi_transfer));
153
154 /* Just toggle the clock for padding bytes */
155 padding.len = regmap_context->padding_bytes;
156 padding.tx_buf = dummy_buf;
157 padding.dummy_data = 1;
158
159 spi_message_add_tail(&padding, &msg);
160 }
161
162 memset(&rx, 0, sizeof(struct spi_transfer));
163 rx.rx_buf = val;
164 rx.len = 4;
165
166 spi_message_add_tail(&rx, &msg);
167
168 return spi_sync(spi, &msg);
169 }
170
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org