tree:
https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git topic/tasklet
head: 59cd818763e8b12e85f28e27fa0a6821faf45660
commit: 59cd818763e8b12e85f28e27fa0a6821faf45660 [81/81] dmaengine: fsl: convert tasklets
to use new tasklet_setup() API
config: powerpc-randconfig-r014-20200917 (attached as .config)
compiler: powerpc-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
git checkout 59cd818763e8b12e85f28e27fa0a6821faf45660
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
drivers/dma/fsl_raid.c: In function 'fsl_re_dequeue':
> drivers/dma/fsl_raid.c:166:45: error: 'data' undeclared
(first use in this function); did you mean '_data'?
166 | re_chan =
dev_get_drvdata((struct device *)data);
| ^~~~
| _data
drivers/dma/fsl_raid.c:166:45: note: each undeclared identifier is reported only once
for each function it appears in
drivers/dma/fsl_raid.c: In function 'fsl_re_prep_dma_genq':
drivers/dma/fsl_raid.c:338:11: warning: ordered comparison of pointer with integer zero
[-Wextra]
338 | if (desc <= 0)
| ^~
drivers/dma/fsl_raid.c: In function 'fsl_re_prep_dma_pq':
drivers/dma/fsl_raid.c:462:11: warning: ordered comparison of pointer with integer zero
[-Wextra]
462 | if (desc <= 0)
| ^~
drivers/dma/fsl_raid.c: In function 'fsl_re_prep_dma_memcpy':
drivers/dma/fsl_raid.c:546:11: warning: ordered comparison of pointer with integer zero
[-Wextra]
546 | if (desc <= 0)
| ^~
#
https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git/commi...
git remote add vkoul-dmaengine
https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git
git fetch --no-tags vkoul-dmaengine topic/tasklet
git checkout 59cd818763e8b12e85f28e27fa0a6821faf45660
vim +166 drivers/dma/fsl_raid.c
ad80da658bbcaa Xuelin Shi 2015-03-03 156
59cd818763e8b1 Allen Pais 2020-08-31 157 static void fsl_re_dequeue(struct
tasklet_struct *t)
ad80da658bbcaa Xuelin Shi 2015-03-03 158 {
59cd818763e8b1 Allen Pais 2020-08-31 159 struct fsl_re_chan *re_chan =
from_tasklet(re_chan, t, irqtask);
ad80da658bbcaa Xuelin Shi 2015-03-03 160 struct fsl_re_desc *desc, *_desc;
ad80da658bbcaa Xuelin Shi 2015-03-03 161 struct fsl_re_hw_desc *hwdesc;
ad80da658bbcaa Xuelin Shi 2015-03-03 162 unsigned long flags;
ad80da658bbcaa Xuelin Shi 2015-03-03 163 unsigned int count, oub_count;
ad80da658bbcaa Xuelin Shi 2015-03-03 164 int found;
ad80da658bbcaa Xuelin Shi 2015-03-03 165
ad80da658bbcaa Xuelin Shi 2015-03-03 @166 re_chan = dev_get_drvdata((struct device
*)data);
ad80da658bbcaa Xuelin Shi 2015-03-03 167
ad80da658bbcaa Xuelin Shi 2015-03-03 168 fsl_re_cleanup_descs(re_chan);
ad80da658bbcaa Xuelin Shi 2015-03-03 169
ad80da658bbcaa Xuelin Shi 2015-03-03 170 spin_lock_irqsave(&re_chan->desc_lock,
flags);
ad80da658bbcaa Xuelin Shi 2015-03-03 171 count
= FSL_RE_SLOT_FULL(in_be32(&re_chan->jrregs->oubring_slot_full));
ad80da658bbcaa Xuelin Shi 2015-03-03 172 while (count--) {
ad80da658bbcaa Xuelin Shi 2015-03-03 173 found = 0;
ad80da658bbcaa Xuelin Shi 2015-03-03 174 hwdesc =
&re_chan->oub_ring_virt_addr[re_chan->oub_count];
ad80da658bbcaa Xuelin Shi 2015-03-03 175 list_for_each_entry_safe(desc, _desc,
&re_chan->active_q,
ad80da658bbcaa Xuelin Shi 2015-03-03 176 node) {
ad80da658bbcaa Xuelin Shi 2015-03-03 177 /* compare the hw dma addr to find the
completed */
ad80da658bbcaa Xuelin Shi 2015-03-03 178 if (desc->hwdesc.lbea32 ==
hwdesc->lbea32 &&
ad80da658bbcaa Xuelin Shi 2015-03-03 179 desc->hwdesc.addr_low ==
hwdesc->addr_low) {
ad80da658bbcaa Xuelin Shi 2015-03-03 180 found = 1;
ad80da658bbcaa Xuelin Shi 2015-03-03 181 break;
ad80da658bbcaa Xuelin Shi 2015-03-03 182 }
ad80da658bbcaa Xuelin Shi 2015-03-03 183 }
ad80da658bbcaa Xuelin Shi 2015-03-03 184
ad80da658bbcaa Xuelin Shi 2015-03-03 185 if (found) {
ad80da658bbcaa Xuelin Shi 2015-03-03 186 fsl_re_desc_done(desc);
ad80da658bbcaa Xuelin Shi 2015-03-03 187 list_move_tail(&desc->node,
&re_chan->ack_q);
ad80da658bbcaa Xuelin Shi 2015-03-03 188 } else {
ad80da658bbcaa Xuelin Shi 2015-03-03 189 dev_err(re_chan->dev,
ad80da658bbcaa Xuelin Shi 2015-03-03 190 "found hwdesc not in sw queue, discard
it\n");
ad80da658bbcaa Xuelin Shi 2015-03-03 191 }
ad80da658bbcaa Xuelin Shi 2015-03-03 192
ad80da658bbcaa Xuelin Shi 2015-03-03 193 oub_count = (re_chan->oub_count + 1) &
FSL_RE_RING_SIZE_MASK;
ad80da658bbcaa Xuelin Shi 2015-03-03 194 re_chan->oub_count = oub_count;
ad80da658bbcaa Xuelin Shi 2015-03-03 195
ad80da658bbcaa Xuelin Shi 2015-03-03 196
out_be32(&re_chan->jrregs->oubring_job_rmvd,
ad80da658bbcaa Xuelin Shi 2015-03-03 197 FSL_RE_RMVD_JOB(1));
ad80da658bbcaa Xuelin Shi 2015-03-03 198 }
ad80da658bbcaa Xuelin Shi 2015-03-03 199
spin_unlock_irqrestore(&re_chan->desc_lock, flags);
ad80da658bbcaa Xuelin Shi 2015-03-03 200 }
ad80da658bbcaa Xuelin Shi 2015-03-03 201
:::::: The code at line 166 was first introduced by commit
:::::: ad80da658bbcaaac1d3617ea6cb0f4d5e16da422 dmaengine: Driver support for FSL
RaidEngine device.
:::::: TO: Xuelin Shi <xuelin.shi(a)freescale.com>
:::::: CC: Vinod Koul <vinod.koul(a)intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org