CC: [email protected]
CC: Kalle Valo <[email protected]>
CC: [email protected]
CC: [email protected]
TO: Anilkumar Kolli <[email protected]>
CC: Kalle Valo <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git pending
head:   34cbb4043dca455fca888e1ced323e588912b6a2
commit: c18d89a2ec8070e904a6db3b111a761a5becd620 [46/56] ath11k: Use reserved 
host DDR addresses from DT for PCI devices
:::::: branch date: 25 hours ago
:::::: commit date: 33 hours ago
config: riscv-randconfig-m031-20211210 
(https://download.01.org/0day-ci/archive/20211211/[email protected]/config)
compiler: riscv64-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>

New smatch warnings:
drivers/net/wireless/ath/ath11k/qmi.c:1891 ath11k_qmi_assign_target_mem_chunk() 
error: uninitialized symbol 'ret'.

Old smatch warnings:
drivers/net/wireless/ath/ath11k/qmi.c:2161 ath11k_qmi_load_file_target_mem() 
error: uninitialized symbol 'ret'.

vim +/ret +1891 drivers/net/wireless/ath/ath11k/qmi.c

6eb6ea51382873 Govind Singh          2020-08-14  1875  
6eb6ea51382873 Govind Singh          2020-08-14  1876  static int 
ath11k_qmi_assign_target_mem_chunk(struct ath11k_base *ab)
d5c65159f28953 Kalle Valo            2019-11-23  1877  {
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1878   struct device *dev = 
ab->dev;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1879   struct device_node 
*hremote_node = NULL;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1880   struct resource res;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1881   u32 host_ddr_sz;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1882   int i, idx, ret;
d5c65159f28953 Kalle Valo            2019-11-23  1883  
d5c65159f28953 Kalle Valo            2019-11-23  1884   for (i = 0, idx = 0; i 
< ab->qmi.mem_seg_count; i++) {
d5c65159f28953 Kalle Valo            2019-11-23  1885           switch 
(ab->qmi.target_mem[i].type) {
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1886           case 
HOST_DDR_REGION_TYPE:
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1887                   
hremote_node = of_parse_phandle(dev->of_node, "memory-region", 0);
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1888                   if 
(!hremote_node) {
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1889                           
ath11k_dbg(ab, ATH11K_DBG_QMI,
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1890                           
           "qmi fail to get hremote_node\n");
c18d89a2ec8070 Anilkumar Kolli       2021-12-09 @1891                           
return ret;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1892                   }
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1893  
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1894                   ret = 
of_address_to_resource(hremote_node, 0, &res);
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1895                   if 
(ret) {
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1896                           
ath11k_dbg(ab, ATH11K_DBG_QMI,
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1897                           
           "qmi fail to get reg from hremote\n");
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1898                           
return ret;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1899                   }
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1900  
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1901                   if 
(res.end - res.start + 1 < ab->qmi.target_mem[i].size) {
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1902                           
ath11k_dbg(ab, ATH11K_DBG_QMI,
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1903                           
           "qmi fail to assign memory of sz\n");
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1904                           
return -EINVAL;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1905                   }
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1906  
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1907                   
ab->qmi.target_mem[idx].paddr = res.start;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1908                   
ab->qmi.target_mem[idx].iaddr =
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1909                           
ioremap(ab->qmi.target_mem[idx].paddr,
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1910                           
        ab->qmi.target_mem[i].size);
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1911                   
ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1912                   
host_ddr_sz = ab->qmi.target_mem[i].size;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1913                   
ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1914                   idx++;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1915                   break;
d5c65159f28953 Kalle Valo            2019-11-23  1916           case 
BDF_MEM_REGION_TYPE:
3b94ae4c62db0b Anilkumar Kolli       2020-06-16  1917                   
ab->qmi.target_mem[idx].paddr = ab->hw_params.bdf_addr;
6eb6ea51382873 Govind Singh          2020-08-14  1918                   
ab->qmi.target_mem[idx].vaddr = NULL;
d5c65159f28953 Kalle Valo            2019-11-23  1919                   
ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size;
d5c65159f28953 Kalle Valo            2019-11-23  1920                   
ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type;
d5c65159f28953 Kalle Valo            2019-11-23  1921                   idx++;
d5c65159f28953 Kalle Valo            2019-11-23  1922                   break;
d5c65159f28953 Kalle Valo            2019-11-23  1923           case 
CALDB_MEM_REGION_TYPE:
d5c65159f28953 Kalle Valo            2019-11-23  1924                   if 
(ab->qmi.target_mem[i].size > ATH11K_QMI_CALDB_SIZE) {
d5c65159f28953 Kalle Valo            2019-11-23  1925                           
ath11k_warn(ab, "qmi mem size is low to load caldata\n");
d5c65159f28953 Kalle Valo            2019-11-23  1926                           
return -EINVAL;
d5c65159f28953 Kalle Valo            2019-11-23  1927                   }
02f9d3c1b918a6 Govindaraj Saminathan 2020-10-16  1928  
02f9d3c1b918a6 Govindaraj Saminathan 2020-10-16  1929                   if 
(ath11k_cold_boot_cal && ab->hw_params.cold_boot_calib) {
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1930                           
if (hremote_node) {
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1931                           
        ab->qmi.target_mem[idx].paddr =
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1932                           
                        res.start + host_ddr_sz;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1933                           
        ab->qmi.target_mem[idx].iaddr =
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1934                           
                ioremap(ab->qmi.target_mem[idx].paddr,
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1935                           
                        ab->qmi.target_mem[i].size);
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1936                           
} else {
02f9d3c1b918a6 Govindaraj Saminathan 2020-10-16  1937                           
        ab->qmi.target_mem[idx].paddr =
02f9d3c1b918a6 Govindaraj Saminathan 2020-10-16  1938                           
                ATH11K_QMI_CALDB_ADDRESS;
c18d89a2ec8070 Anilkumar Kolli       2021-12-09  1939                           
}
02f9d3c1b918a6 Govindaraj Saminathan 2020-10-16  1940                   } else {
d5c65159f28953 Kalle Valo            2019-11-23  1941                           
ab->qmi.target_mem[idx].paddr = 0;
6eb6ea51382873 Govind Singh          2020-08-14  1942                           
ab->qmi.target_mem[idx].vaddr = NULL;
02f9d3c1b918a6 Govindaraj Saminathan 2020-10-16  1943                   }
d5c65159f28953 Kalle Valo            2019-11-23  1944                   
ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size;
d5c65159f28953 Kalle Valo            2019-11-23  1945                   
ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type;
d5c65159f28953 Kalle Valo            2019-11-23  1946                   idx++;
d5c65159f28953 Kalle Valo            2019-11-23  1947                   break;
d5c65159f28953 Kalle Valo            2019-11-23  1948           default:
d5c65159f28953 Kalle Valo            2019-11-23  1949                   
ath11k_warn(ab, "qmi ignore invalid mem req type %d\n",
d5c65159f28953 Kalle Valo            2019-11-23  1950                           
    ab->qmi.target_mem[i].type);
d5c65159f28953 Kalle Valo            2019-11-23  1951                   break;
d5c65159f28953 Kalle Valo            2019-11-23  1952           }
d5c65159f28953 Kalle Valo            2019-11-23  1953   }
d5c65159f28953 Kalle Valo            2019-11-23  1954   ab->qmi.mem_seg_count = 
idx;
d5c65159f28953 Kalle Valo            2019-11-23  1955  
d5c65159f28953 Kalle Valo            2019-11-23  1956   return 0;
d5c65159f28953 Kalle Valo            2019-11-23  1957  }
d5c65159f28953 Kalle Valo            2019-11-23  1958  

---
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