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ath6kl: print firmware crashes always

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Currently firmware crash dump is printed only if debug is enabled.
Change it so that the crash dump is always printed.

Also move the code from init.c to hif.c.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Kalle Valo 2011-10-30 21:16:41 +02:00
parent 68469341f3
commit 6250aac6df
3 changed files with 61 additions and 64 deletions
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1
drivers/net/wireless/ath/ath6kl/core.h
View file

@ -654,7 +654,6 @@ void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid);
void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
u8 win_sz);
void ath6kl_wakeup_event(void *dev);
void ath6kl_target_failure(struct ath6kl *ar);
void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
bool wait_fot_compltn, bool cold_reset);

69
drivers/net/wireless/ath/ath6kl/hif.c
View file

@ -59,26 +59,79 @@ int ath6kl_hif_rw_comp_handler(void *context, int status)
return 0;
}
#define REG_DUMP_COUNT_AR6003 60
#define REGISTER_DUMP_LEN_MAX 60
static void ath6kl_hif_dump_fw_crash(struct ath6kl *ar)
{
__le32 regdump_val[REGISTER_DUMP_LEN_MAX];
u32 i, address, regdump_addr = 0;
int ret;
if (ar->target_type != TARGET_TYPE_AR6003)
return;
/* the reg dump pointer is copied to the host interest area */
address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_failure_state));
address = TARG_VTOP(ar->target_type, address);
/* read RAM location through diagnostic window */
ret = ath6kl_diag_read32(ar, address, &regdump_addr);
if (ret || !regdump_addr) {
ath6kl_warn("failed to get ptr to register dump area: %d\n",
ret);
return;
}
ath6kl_dbg(ATH6KL_DBG_IRQ, "register dump data address 0x%x\n",
regdump_addr);
regdump_addr = TARG_VTOP(ar->target_type, regdump_addr);
/* fetch register dump data */
ret = ath6kl_diag_read(ar, regdump_addr, (u8 *)&regdump_val[0],
REG_DUMP_COUNT_AR6003 * (sizeof(u32)));
if (ret) {
ath6kl_warn("failed to get register dump: %d\n", ret);
return;
}
ath6kl_info("crash dump:\n");
ath6kl_info("hw 0x%x fw %s\n", ar->wiphy->hw_version,
ar->wiphy->fw_version);
BUILD_BUG_ON(REG_DUMP_COUNT_AR6003 % 4);
for (i = 0; i < REG_DUMP_COUNT_AR6003 / 4; i++) {
ath6kl_info("%d: 0x%8.8x 0x%8.8x 0x%8.8x 0x%8.8x\n",
4 * i,
le32_to_cpu(regdump_val[i]),
le32_to_cpu(regdump_val[i + 1]),
le32_to_cpu(regdump_val[i + 2]),
le32_to_cpu(regdump_val[i + 3]));
}
}
static int ath6kl_hif_proc_dbg_intr(struct ath6kl_device *dev)
{
u32 dummy;
int status;
int ret;
ath6kl_err("target debug interrupt\n");
ath6kl_target_failure(dev->ar);
ath6kl_warn("firmware crashed\n");
/*
* read counter to clear the interrupt, the debug error interrupt is
* counter 0.
*/
status = hif_read_write_sync(dev->ar, COUNT_DEC_ADDRESS,
ret = hif_read_write_sync(dev->ar, COUNT_DEC_ADDRESS,
(u8 *)&dummy, 4, HIF_RD_SYNC_BYTE_INC);
if (status)
WARN_ON(1);
if (ret)
ath6kl_warn("Failed to clear debug interrupt: %d\n", ret);
return status;
ath6kl_hif_dump_fw_crash(dev->ar);
return ret;
}
/* mailbox recv message polling */

55
drivers/net/wireless/ath/ath6kl/init.c
View file

@ -298,61 +298,6 @@ static int ath6kl_set_htc_params(struct ath6kl *ar, u32 mbox_isr_yield_val,
return status;
}
#define REG_DUMP_COUNT_AR6003 60
#define REGISTER_DUMP_LEN_MAX 60
static void ath6kl_dump_target_assert_info(struct ath6kl *ar)
{
u32 address;
u32 regdump_loc = 0;
int status;
u32 regdump_val[REGISTER_DUMP_LEN_MAX];
u32 i;
if (ar->target_type != TARGET_TYPE_AR6003)
return;
/* the reg dump pointer is copied to the host interest area */
address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_failure_state));
address = TARG_VTOP(ar->target_type, address);
/* read RAM location through diagnostic window */
status = ath6kl_diag_read32(ar, address, &regdump_loc);
if (status || !regdump_loc) {
ath6kl_err("failed to get ptr to register dump area\n");
return;
}
ath6kl_dbg(ATH6KL_DBG_TRC, "location of register dump data: 0x%X\n",
regdump_loc);
regdump_loc = TARG_VTOP(ar->target_type, regdump_loc);
/* fetch register dump data */
status = ath6kl_diag_read(ar, regdump_loc, (u8 *)&regdump_val[0],
REG_DUMP_COUNT_AR6003 * (sizeof(u32)));
if (status) {
ath6kl_err("failed to get register dump\n");
return;
}
ath6kl_dbg(ATH6KL_DBG_TRC, "Register Dump:\n");
for (i = 0; i < REG_DUMP_COUNT_AR6003; i++)
ath6kl_dbg(ATH6KL_DBG_TRC, " %d : 0x%8.8X\n",
i, regdump_val[i]);
}
void ath6kl_target_failure(struct ath6kl *ar)
{
ath6kl_err("target asserted\n");
/* try dumping target assertion information (if any) */
ath6kl_dump_target_assert_info(ar);
}
static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx)
{
int status = 0;