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drivers: qcom: rpmh-rsc: Add IPC logging support for RSC driver

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In addition to logging using FTRACE. let's also log in the IPC logging
for all RPMH transactions.

Change-Id: I2b19006bbc776053f63eee55b447428fdb023ba4
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Maulik Shah <quic_mkshah@quicinc.com>
This commit is contained in:
Lina Iyer 2019-03-06 12:58:44 -07:00 committed by Gerrit - the friendly Code Review server
parent 406c64307d
commit dac9bfe822
2 changed files with 17 additions and 0 deletions
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2
drivers/soc/qcom/rpmh-internal.h
View File

@ -119,6 +119,7 @@ struct rpmh_ctrlr {
* @client: Handle to the DRV's client.
* @genpd_nb: PM Domain notifier
* @dev: RSC device
* @ipc_log_ctx: IPC logger handle
*/
struct rsc_drv {
const char *name;
@ -136,6 +137,7 @@ struct rsc_drv {
struct rpmh_ctrlr client;
struct notifier_block genpd_nb;
struct device *dev;
void *ipc_log_ctx;
};
extern bool rpmh_standalone;

15
drivers/soc/qcom/rpmh-rsc.c
View File

@ -34,6 +34,10 @@
#define CREATE_TRACE_POINTS
#include "trace-rpmh.h"
#include <linux/ipc_logging.h>
#define RSC_DRV_IPC_LOG_SIZE 2
#define RSC_DRV_TCS_OFFSET 672
#define RSC_DRV_CMD_OFFSET 20
@ -412,6 +416,7 @@ static irqreturn_t tcs_tx_done(int irq, void *p)
goto skip;
trace_rpmh_tx_done(drv, i, req);
ipc_log_string(drv->ipc_log_ctx, "IRQ response: m=%d", i);
/*
* If wake tcs was re-purposed for sending active
@ -478,6 +483,10 @@ static void __tcs_buffer_write(struct rsc_drv *drv, int tcs_id, int cmd_id,
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);
ipc_log_string(drv->ipc_log_ctx,
"TCS write: m=%d n=%d msgid=%#x addr=%#x data=%#x wait=%d",
tcs_id, j, msgid, cmd->addr,
cmd->data, cmd->wait);
}
cmd_enable |= read_tcs_reg(drv, RSC_DRV_CMD_ENABLE, tcs_id);
@ -648,6 +657,7 @@ int rpmh_rsc_send_data(struct rsc_drv *drv, const struct tcs_request *msg)
*/
__tcs_buffer_write(drv, tcs_id, 0, msg);
__tcs_set_trigger(drv, tcs_id, true);
ipc_log_string(drv->ipc_log_ctx, "TCS trigger: m=%d", tcs_id);
return 0;
}
@ -978,6 +988,8 @@ int rpmh_rsc_mode_solver_set(struct rsc_drv *drv, bool enable)
if (!enable || !rpmh_rsc_ctrlr_is_busy(drv)) {
drv->in_solver_mode = enable;
trace_rpmh_solver_set(drv, enable);
ipc_log_string(drv->ipc_log_ctx,
"solver mode set: %d", enable);
ret = 0;
}
spin_unlock(&drv->lock);
@ -1262,6 +1274,9 @@ static int rpmh_rsc_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&drv->client.cache);
INIT_LIST_HEAD(&drv->client.batch_cache);
drv->ipc_log_ctx = ipc_log_context_create(RSC_DRV_IPC_LOG_SIZE,
drv->name, 0);
dev_set_drvdata(&pdev->dev, drv);
if (__rsc_count < MAX_RSC_COUNT)