diff options
| author |   Lina Iyer <ilina@codeaurora.org> | 2018-06-20 18:57:00 +0530 |
|---|---|---|
| committer |   Andy Gross <andy.gross@linaro.org> | 2018-07-21 13:32:31 -0500 |
| commit | fc087fe5a45e7210be89fe015505e1bb3746395c (patch) | |
| tree | 3183082114506ee9ff53f6f66da4ecd95eb63555 /drivers/soc/qcom/rpmh-rsc.c | |
| parent | dt-bindings: introduce RPMH RSC bindings for Qualcomm SoCs (diff) | |
| download | linux-dev-fc087fe5a45e7210be89fe015505e1bb3746395c.tar.xz linux-dev-fc087fe5a45e7210be89fe015505e1bb3746395c.zip | |
drivers: qcom: rpmh-rsc: log RPMH requests in FTRACE
Log sent RPMH requests and interrupt responses in FTRACE.
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
[rplsssn@codeaurora.org: rebase to v4.18-rc1 & fix merge conflict]
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Diffstat (limited to 'drivers/soc/qcom/rpmh-rsc.c')
| -rw-r--r-- | drivers/soc/qcom/rpmh-rsc.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index c5e0793cdfb7..89d41cdd8d71 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -23,6 +23,9 @@ #include "rpmh-internal.h" +#define CREATE_TRACE_POINTS +#include "trace-rpmh.h" + #define RSC_DRV_TCS_OFFSET 672 #define RSC_DRV_CMD_OFFSET 20 @@ -135,7 +138,7 @@ static const struct tcs_request *get_req_from_tcs(struct rsc_drv *drv, static irqreturn_t tcs_tx_done(int irq, void *p) { struct rsc_drv *drv = p; - int i, j; + int i, j, err; unsigned long irq_status; const struct tcs_request *req; struct tcs_cmd *cmd; @@ -149,6 +152,7 @@ static irqreturn_t tcs_tx_done(int irq, void *p) goto skip; } + err = 0; for (j = 0; j < req->num_cmds; j++) { u32 sts; @@ -159,8 +163,11 @@ static irqreturn_t tcs_tx_done(int irq, void *p) !(sts & CMD_STATUS_COMPL))) { pr_err("Incomplete request: %s: addr=%#x data=%#x", drv->name, cmd->addr, cmd->data); + err = -EIO; } } + + trace_rpmh_tx_done(drv, i, req, err); skip: /* Reclaim the TCS */ write_tcs_reg(drv, RSC_DRV_CMD_ENABLE, i, 0); @@ -194,9 +201,11 @@ static void __tcs_buffer_write(struct rsc_drv *drv, int tcs_id, int cmd_id, cmd_complete |= cmd->wait << j; msgid = cmd_msgid; msgid |= cmd->wait ? CMD_MSGID_RESP_REQ : 0; + write_tcs_cmd(drv, RSC_DRV_CMD_MSGID, tcs_id, j, msgid); write_tcs_cmd(drv, RSC_DRV_CMD_ADDR, tcs_id, j, cmd->addr); write_tcs_cmd(drv, RSC_DRV_CMD_DATA, tcs_id, j, cmd->data); + trace_rpmh_send_msg(drv, tcs_id, j, msgid, cmd); } write_tcs_reg(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, tcs_id, cmd_complete); |