drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:183:18: sparse: sparse: incorrect type in assignment (different base types)
From: kernel test robot
Date: Mon Dec 18 2023 - 16:11:32 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a
commit: 7fdf9b05c73b79c4d9a85b5a9905efa10ee482a6 dmaengine: fsl-dpaa2-qdma: Add NXP dpaa2 qDMA controller driver for Layerscape SoCs
date: 4 years, 2 months ago
config: arm64-randconfig-r112-20231117 (https://download.01.org/0day-ci/archive/20231219/202312190533.Lbc18dxc-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231219/202312190533.Lbc18dxc-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312190533.Lbc18dxc-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:183:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] cmd @@ got restricted __le32 [usertype] @@
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:183:18: sparse: expected unsigned int [usertype] cmd
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:183:18: sparse: got restricted __le32 [usertype]
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:188:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] cmd @@ got restricted __le32 [usertype] @@
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:188:26: sparse: expected unsigned int [usertype] cmd
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:188:26: sparse: got restricted __le32 [usertype]
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:190:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] cmd @@ got restricted __le32 [usertype] @@
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:190:26: sparse: expected unsigned int [usertype] cmd
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:190:26: sparse: got restricted __le32 [usertype]
--
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:81:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] @@ got restricted __le32 [usertype] @@
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:81:24: sparse: expected restricted __le64 [usertype]
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:81:24: sparse: got restricted __le32 [usertype]
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:148:9: sparse: sparse: invalid assignment: |=
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:148:9: sparse: left side has type restricted __le64
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:148:9: sparse: right side has type unsigned long long
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:148:9: sparse: sparse: invalid assignment: |=
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:148:9: sparse: left side has type restricted __le64
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:148:9: sparse: right side has type unsigned long long
vim +183 drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
170
171 /* first frame list for descriptor buffer */
172 static void
173 dpaa2_qdma_populate_first_framel(struct dpaa2_fl_entry *f_list,
174 struct dpaa2_qdma_comp *dpaa2_comp,
175 bool wrt_changed)
176 {
177 struct dpaa2_qdma_sd_d *sdd;
178
179 sdd = dpaa2_comp->desc_virt_addr;
180 memset(sdd, 0, 2 * (sizeof(*sdd)));
181
182 /* source descriptor CMD */
> 183 sdd->cmd = cpu_to_le32(QDMA_SD_CMD_RDTTYPE_COHERENT);
184 sdd++;
185
186 /* dest descriptor CMD */
187 if (wrt_changed)
188 sdd->cmd = cpu_to_le32(LX2160_QDMA_DD_CMD_WRTTYPE_COHERENT);
189 else
190 sdd->cmd = cpu_to_le32(QDMA_DD_CMD_WRTTYPE_COHERENT);
191
192 memset(f_list, 0, sizeof(struct dpaa2_fl_entry));
193
194 /* first frame list to source descriptor */
195 dpaa2_fl_set_addr(f_list, dpaa2_comp->desc_bus_addr);
196 dpaa2_fl_set_len(f_list, 0x20);
197 dpaa2_fl_set_format(f_list, QDMA_FL_FMT_SBF | QDMA_FL_SL_LONG);
198
199 /* bypass memory translation */
200 if (smmu_disable)
201 f_list->bpid = cpu_to_le16(QDMA_FL_BMT_ENABLE);
202 }
203
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki