CC: [email protected] CC: [email protected] TO: Elliot Berman <[email protected]> CC: Bjorn Andersson <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fc4f28bb3daf3265d6bc5f73b497306985bb23ab commit: 57d3b816718c1cf832e2929a754da3564c6127cc firmware: qcom_scm: Remove thin wrappers date: 8 months ago :::::: branch date: 24 hours ago :::::: commit date: 8 months ago compiler: aarch64-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> cppcheck warnings: (new ones prefixed by >>) >> drivers/firmware/qcom_scm.c:181:12: warning: Redundant condition: cpus. >> '!cpus || (cpus && cpumask_empty(cpus))' is equivalent to '!cpus || >> cpumask_empty(cpus)' [redundantCondition] if (!cpus || (cpus && cpumask_empty(cpus))) ^ # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=57d3b816718c1cf832e2929a754da3564c6127cc git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 57d3b816718c1cf832e2929a754da3564c6127cc vim +181 drivers/firmware/qcom_scm.c 2ce76a6ad32fa0 Lina Iyer 2015-03-02 155 2ce76a6ad32fa0 Lina Iyer 2015-03-02 156 /** 65f0c90b7d4685 Elliot Berman 2020-01-07 157 * qcom_scm_set_cold_boot_addr() - Set the cold boot address for cpus 2ce76a6ad32fa0 Lina Iyer 2015-03-02 158 * @entry: Entry point function for the cpus 2ce76a6ad32fa0 Lina Iyer 2015-03-02 159 * @cpus: The cpumask of cpus that will use the entry point 2ce76a6ad32fa0 Lina Iyer 2015-03-02 160 * 65f0c90b7d4685 Elliot Berman 2020-01-07 161 * Set the cold boot address of the cpus. Any cpu outside the supported 65f0c90b7d4685 Elliot Berman 2020-01-07 162 * range would be removed from the cpu present mask. 2ce76a6ad32fa0 Lina Iyer 2015-03-02 163 */ 65f0c90b7d4685 Elliot Berman 2020-01-07 164 int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus) 2ce76a6ad32fa0 Lina Iyer 2015-03-02 165 { 57d3b816718c1c Elliot Berman 2020-01-07 166 int flags = 0; 57d3b816718c1c Elliot Berman 2020-01-07 167 int cpu; 57d3b816718c1c Elliot Berman 2020-01-07 168 int scm_cb_flags[] = { 57d3b816718c1c Elliot Berman 2020-01-07 169 QCOM_SCM_FLAG_COLDBOOT_CPU0, 57d3b816718c1c Elliot Berman 2020-01-07 170 QCOM_SCM_FLAG_COLDBOOT_CPU1, 57d3b816718c1c Elliot Berman 2020-01-07 171 QCOM_SCM_FLAG_COLDBOOT_CPU2, 57d3b816718c1c Elliot Berman 2020-01-07 172 QCOM_SCM_FLAG_COLDBOOT_CPU3, 57d3b816718c1c Elliot Berman 2020-01-07 173 }; 57d3b816718c1c Elliot Berman 2020-01-07 174 struct qcom_scm_desc desc = { 57d3b816718c1c Elliot Berman 2020-01-07 175 .svc = QCOM_SCM_SVC_BOOT, 57d3b816718c1c Elliot Berman 2020-01-07 176 .cmd = QCOM_SCM_BOOT_SET_ADDR, 57d3b816718c1c Elliot Berman 2020-01-07 177 .arginfo = QCOM_SCM_ARGS(2), 57d3b816718c1c Elliot Berman 2020-01-07 178 .owner = ARM_SMCCC_OWNER_SIP, 57d3b816718c1c Elliot Berman 2020-01-07 179 }; 57d3b816718c1c Elliot Berman 2020-01-07 180 57d3b816718c1c Elliot Berman 2020-01-07 @181 if (!cpus || (cpus && cpumask_empty(cpus))) 57d3b816718c1c Elliot Berman 2020-01-07 182 return -EINVAL; 57d3b816718c1c Elliot Berman 2020-01-07 183 57d3b816718c1c Elliot Berman 2020-01-07 184 for_each_cpu(cpu, cpus) { 57d3b816718c1c Elliot Berman 2020-01-07 185 if (cpu < ARRAY_SIZE(scm_cb_flags)) 57d3b816718c1c Elliot Berman 2020-01-07 186 flags |= scm_cb_flags[cpu]; 57d3b816718c1c Elliot Berman 2020-01-07 187 else 57d3b816718c1c Elliot Berman 2020-01-07 188 set_cpu_present(cpu, false); 57d3b816718c1c Elliot Berman 2020-01-07 189 } 57d3b816718c1c Elliot Berman 2020-01-07 190 57d3b816718c1c Elliot Berman 2020-01-07 191 desc.args[0] = flags; 57d3b816718c1c Elliot Berman 2020-01-07 192 desc.args[1] = virt_to_phys(entry); 57d3b816718c1c Elliot Berman 2020-01-07 193 57d3b816718c1c Elliot Berman 2020-01-07 194 return qcom_scm_call_atomic(__scm ? __scm->dev : NULL, &desc, NULL); 2ce76a6ad32fa0 Lina Iyer 2015-03-02 195 } 65f0c90b7d4685 Elliot Berman 2020-01-07 196 EXPORT_SYMBOL(qcom_scm_set_cold_boot_addr); 767b0235dd4765 Lina Iyer 2015-03-02 197 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
