drivers/net/ethernet/freescale/dpaa2/dpmac.c:180:18: sparse: sparse: cast to restricted __le64

From: kernel test robot
Date: Mon Jul 06 2020 - 03:56:49 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dcb7fd82c75ee2d6e6f9d8cc71c52519ed52e258
commit: 991df1fbb0dc3b44a88b4775b32d95839bf779e6 dpaa2-eth: add ethtool MAC counters
date: 8 months ago
config: arm64-randconfig-s032-20200706 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-14-g8fce3d7a-dirty
git checkout 991df1fbb0dc3b44a88b4775b32d95839bf779e6
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)

>> drivers/net/ethernet/freescale/dpaa2/dpmac.c:180:18: sparse: sparse: cast to restricted __le64

vim +180 drivers/net/ethernet/freescale/dpaa2/dpmac.c

150
151 /**
152 * dpmac_get_counter() - Read a specific DPMAC counter
153 * @mc_io: Pointer to opaque I/O object
154 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
155 * @token: Token of DPMAC object
156 * @id: The requested counter ID
157 * @value: Returned counter value
158 *
159 * Return: The requested counter; '0' otherwise.
160 */
161 int dpmac_get_counter(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
162 enum dpmac_counter_id id, u64 *value)
163 {
164 struct dpmac_cmd_get_counter *dpmac_cmd;
165 struct dpmac_rsp_get_counter *dpmac_rsp;
166 struct fsl_mc_command cmd = { 0 };
167 int err = 0;
168
169 cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_COUNTER,
170 cmd_flags,
171 token);
172 dpmac_cmd = (struct dpmac_cmd_get_counter *)cmd.params;
173 dpmac_cmd->id = id;
174
175 err = mc_send_command(mc_io, &cmd);
176 if (err)
177 return err;
178
179 dpmac_rsp = (struct dpmac_rsp_get_counter *)cmd.params;
> 180 *value = le64_to_cpu(dpmac_rsp->counter);

---
0-DAY CI Kernel Test Service, Intel Corporation
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Attachment: .config.gz
Description: application/gzip