diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c index 9f8bcb32dd6aadee4ef787c6b4a95c670a32b005..4992d4df27e1af06c9d0fd5709b91dcaa55b81e3 100644 --- a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c @@ -37,29 +37,7 @@ #ifdef BCMDBG -/* ARM trap handling */ -struct brcmf_trap { - u32 type; - u32 epc; - u32 cpsr; - u32 spsr; - u32 r0; - u32 r1; - u32 r2; - u32 r3; - u32 r4; - u32 r5; - u32 r6; - u32 r7; - u32 r8; - u32 r9; - u32 r10; - u32 r11; - u32 r12; - u32 r13; - u32 r14; - u32 pc; -}; +#define BRCMF_TRAP_INFO_SIZE 80 #define CBUF_LEN (128) @@ -2890,231 +2868,6 @@ brcmf_sdbrcm_membytes(struct brcmf_bus *bus, bool write, u32 address, u8 *data, } #ifdef BCMDBG -static int -brcmf_sdbrcm_readshared(struct brcmf_bus *bus, struct sdpcm_shared *sh) -{ - u32 addr; - __le32 addr_le; - int rv; - struct sdpcm_shared_le sh_le; - - /* Read last word in memory to determine address of - sdpcm_shared structure */ - rv = brcmf_sdbrcm_membytes(bus, false, bus->ramsize - 4, (u8 *)&addr_le, - 4); - if (rv < 0) - return rv; - - addr = le32_to_cpu(addr_le); - - brcmf_dbg(INFO, "sdpcm_shared address 0x%08X\n", addr); - - /* - * Check if addr is valid. - * NVRAM length at the end of memory should have been overwritten. - */ - if (addr == 0 || ((~addr >> 16) & 0xffff) == (addr & 0xffff)) { - brcmf_dbg(ERROR, "address (0x%08x) of sdpcm_shared invalid\n", - addr); - return -EBADE; - } - - /* Read rte_shared structure */ - rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *) &sh_le, - sizeof(struct sdpcm_shared_le)); - if (rv < 0) - return rv; - - /* Endianness */ - sh->flags = le32_to_cpu(sh_le.flags); - sh->trap_addr = le32_to_cpu(sh_le.trap_addr); - sh->assert_exp_addr = le32_to_cpu(sh_le.assert_exp_addr); - sh->assert_file_addr = le32_to_cpu(sh_le.assert_file_addr); - sh->assert_line = le32_to_cpu(sh_le.assert_line); - sh->console_addr = le32_to_cpu(sh_le.console_addr); - sh->msgtrace_addr = le32_to_cpu(sh_le.msgtrace_addr); - memcpy(sh->tag, sh_le.tag, sizeof(sh->tag)); - - if ((sh->flags & SDPCM_SHARED_VERSION_MASK) != SDPCM_SHARED_VERSION) { - brcmf_dbg(ERROR, "sdpcm_shared version %d in brcmf is different than sdpcm_shared version %d in dongle\n", - SDPCM_SHARED_VERSION, - sh->flags & SDPCM_SHARED_VERSION_MASK); - return -EBADE; - } - - return 0; -} - -static int brcmf_sdbrcm_mem_dump(struct brcmf_bus *bus) -{ - int ret = 0; - int size; /* Full mem size */ - int start = 0; /* Start address */ - int read_size = 0; /* Read size of each iteration */ - u8 *buf = NULL, *databuf = NULL; - - /* Get full mem size */ - size = bus->ramsize; - buf = kmalloc(size, GFP_ATOMIC); - if (!buf) - return -1; - - /* Read mem content */ - printk(KERN_DEBUG "Dump dongle memory"); - databuf = buf; - while (size) { - read_size = min(MEMBLOCK, size); - ret = brcmf_sdbrcm_membytes(bus, false, start, databuf, - read_size); - if (ret) { - brcmf_dbg(ERROR, "Error membytes %d\n", ret); - kfree(buf); - return -1; - } - printk("."); - - /* Decrement size and increment start address */ - size -= read_size; - start += read_size; - databuf += read_size; - } - printk(KERN_DEBUG "Done\n"); - - /* free buf before return !!! */ - if (brcmf_write_to_file(bus->drvr, buf, bus->ramsize)) { - brcmf_dbg(ERROR, "Error writing to files\n"); - return -1; - } - - /* buf free handled in brcmf_write_to_file, not here */ - return 0; -} - -static int brcmf_sdbrcm_checkdied(struct brcmf_bus *bus, u8 *data, uint size) -{ - int bcmerror = 0; - uint msize = 512; - char *mbuffer = NULL; - uint maxstrlen = 256; - char *str = NULL; - struct brcmf_trap tr; - struct sdpcm_shared sdpcm_shared; - struct brcmu_strbuf strbuf; - - brcmf_dbg(TRACE, "Enter\n"); - - if (data == NULL) { - /* - * Called after a rx ctrl timeout. "data" is NULL. - * allocate memory to trace the trap or assert. - */ - size = msize; - mbuffer = data = kmalloc(msize, GFP_ATOMIC); - if (mbuffer == NULL) { - bcmerror = -ENOMEM; - goto done; - } - } - - str = kmalloc(maxstrlen, GFP_ATOMIC); - if (str == NULL) { - bcmerror = -ENOMEM; - goto done; - } - - bcmerror = brcmf_sdbrcm_readshared(bus, &sdpcm_shared); - if (bcmerror < 0) - goto done; - - brcmu_binit(&strbuf, data, size); - - brcmu_bprintf(&strbuf, - "msgtrace address : 0x%08X\nconsole address : 0x%08X\n", - sdpcm_shared.msgtrace_addr, sdpcm_shared.console_addr); - - if ((sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT) == 0) - /* NOTE: Misspelled assert is intentional - DO NOT FIX. - * (Avoids conflict with real asserts for programmatic - * parsing of output.) - */ - brcmu_bprintf(&strbuf, "Assrt not built in dongle\n"); - - if ((sdpcm_shared.flags & (SDPCM_SHARED_ASSERT | SDPCM_SHARED_TRAP)) == - 0) { - /* NOTE: Misspelled assert is intentional - DO NOT FIX. - * (Avoids conflict with real asserts for programmatic - * parsing of output.) - */ - brcmu_bprintf(&strbuf, "No trap%s in dongle", - (sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT) - ? "/assrt" : ""); - } else { - if (sdpcm_shared.flags & SDPCM_SHARED_ASSERT) { - /* Download assert */ - brcmu_bprintf(&strbuf, "Dongle assert"); - if (sdpcm_shared.assert_exp_addr != 0) { - str[0] = '\0'; - bcmerror = brcmf_sdbrcm_membytes(bus, false, - sdpcm_shared.assert_exp_addr, - (u8 *) str, maxstrlen); - if (bcmerror < 0) - goto done; - - str[maxstrlen - 1] = '\0'; - brcmu_bprintf(&strbuf, " expr \"%s\"", str); - } - - if (sdpcm_shared.assert_file_addr != 0) { - str[0] = '\0'; - bcmerror = brcmf_sdbrcm_membytes(bus, false, - sdpcm_shared.assert_file_addr, - (u8 *) str, maxstrlen); - if (bcmerror < 0) - goto done; - - str[maxstrlen - 1] = '\0'; - brcmu_bprintf(&strbuf, " file \"%s\"", str); - } - - brcmu_bprintf(&strbuf, " line %d ", - sdpcm_shared.assert_line); - } - - if (sdpcm_shared.flags & SDPCM_SHARED_TRAP) { - bcmerror = brcmf_sdbrcm_membytes(bus, false, - sdpcm_shared.trap_addr, (u8 *)&tr, - sizeof(struct brcmf_trap)); - if (bcmerror < 0) - goto done; - - brcmu_bprintf(&strbuf, - "Dongle trap type 0x%x @ epc 0x%x, cpsr 0x%x, spsr 0x%x, sp 0x%x," - "lp 0x%x, rpc 0x%x Trap offset 0x%x, " - "r0 0x%x, r1 0x%x, r2 0x%x, r3 0x%x, r4 0x%x, r5 0x%x, r6 0x%x, r7 0x%x\n", - tr.type, tr.epc, tr.cpsr, tr.spsr, tr.r13, - tr.r14, tr.pc, sdpcm_shared.trap_addr, - tr.r0, tr.r1, tr.r2, tr.r3, tr.r4, tr.r5, - tr.r6, tr.r7); - } - } - - if (sdpcm_shared.flags & (SDPCM_SHARED_ASSERT | SDPCM_SHARED_TRAP)) - brcmf_dbg(ERROR, "%s\n", strbuf.origbuf); - -#ifdef BCMDBG - if (sdpcm_shared.flags & SDPCM_SHARED_TRAP) - /* Mem dump to a file on device */ - brcmf_sdbrcm_mem_dump(bus); - -#endif /* BCMDBG */ - -done: - kfree(mbuffer); - kfree(str); - - return bcmerror; -} - #define CONSOLE_LINE_MAX 192 static int brcmf_sdbrcm_readconsole(struct brcmf_bus *bus) @@ -3377,21 +3130,11 @@ brcmf_sdbrcm_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint msglen) rxlen, msglen); } else if (timeleft == 0) { brcmf_dbg(ERROR, "resumed on timeout\n"); -#ifdef BCMDBG - brcmf_sdbrcm_sdlock(bus); - brcmf_sdbrcm_checkdied(bus, NULL, 0); - brcmf_sdbrcm_sdunlock(bus); -#endif /* BCMDBG */ } else if (pending == true) { brcmf_dbg(CTL, "cancelled\n"); return -ERESTARTSYS; } else { brcmf_dbg(CTL, "resumed for unknown reason?\n"); -#ifdef BCMDBG - brcmf_sdbrcm_sdlock(bus); - brcmf_sdbrcm_checkdied(bus, NULL, 0); - brcmf_sdbrcm_sdunlock(bus); -#endif /* BCMDBG */ } if (rxlen)