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Message-Id: <1583746236-13325-6-git-send-email-mkshah@codeaurora.org>
Date: Mon, 9 Mar 2020 15:00:36 +0530
From: Maulik Shah <mkshah@...eaurora.org>
To: swboyd@...omium.org, mka@...omium.org, evgreen@...omium.org,
bjorn.andersson@...aro.org
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
agross@...nel.org, dianders@...omium.org, rnayak@...eaurora.org,
ilina@...eaurora.org, lsrao@...eaurora.org,
Maulik Shah <mkshah@...eaurora.org>,
Taniya Das <tdas@...eaurora.org>,
Odelu Kukatla <okukatla@...eaurora.org>,
Kiran Gunda <kgunda@...eaurora.org>,
Sibi Sankar <sibis@...eaurora.org>
Subject: [PATCH v13 5/5] drivers: qcom: Update rpmh clients to use start and end transactions
Update all rpmh clients to start using rpmh_start_transaction() and
rpmh_end_transaction().
Cc: Taniya Das <tdas@...eaurora.org>
Cc: Odelu Kukatla <okukatla@...eaurora.org>
Cc: Kiran Gunda <kgunda@...eaurora.org>
Cc: Sibi Sankar <sibis@...eaurora.org>
Signed-off-by: Maulik Shah <mkshah@...eaurora.org>
---
drivers/clk/qcom/clk-rpmh.c | 21 ++++++++++++++-------
drivers/interconnect/qcom/bcm-voter.c | 13 +++++++++----
drivers/regulator/qcom-rpmh-regulator.c | 4 ++++
drivers/soc/qcom/rpmhpd.c | 11 +++++++++--
4 files changed, 36 insertions(+), 13 deletions(-)
diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
index 12bd871..16f68d4 100644
--- a/drivers/clk/qcom/clk-rpmh.c
+++ b/drivers/clk/qcom/clk-rpmh.c
@@ -154,22 +154,27 @@ static int clk_rpmh_send_aggregate_command(struct clk_rpmh *c)
cmd_state = c->aggr_state;
on_val = c->res_on_val;
+ rpmh_start_transaction(c->dev);
+
for (; state <= RPMH_ACTIVE_ONLY_STATE; state++) {
if (has_state_changed(c, state)) {
if (cmd_state & BIT(state))
cmd.data = on_val;
ret = rpmh_write_async(c->dev, state, &cmd, 1);
- if (ret) {
- dev_err(c->dev, "set %s state of %s failed: (%d)\n",
- !state ? "sleep" :
- state == RPMH_WAKE_ONLY_STATE ?
- "wake" : "active", c->res_name, ret);
- return ret;
- }
+ if (ret)
+ break;
}
}
+ ret |= rpmh_end_transaction(c->dev);
+ if (ret) {
+ dev_err(c->dev, "set %s state of %s failed: (%d)\n",
+ !state ? "sleep" : state == RPMH_WAKE_ONLY_STATE ?
+ "wake" : "active", c->res_name, ret);
+ return ret;
+ }
+
c->last_sent_aggr_state = c->aggr_state;
c->peer->last_sent_aggr_state = c->last_sent_aggr_state;
@@ -267,7 +272,9 @@ static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable)
cmd.addr = c->res_addr;
cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state);
+ rpmh_start_transaction(c->dev);
ret = rpmh_write_async(c->dev, RPMH_ACTIVE_ONLY_STATE, &cmd, 1);
+ ret |= rpmh_end_transaction(c->dev);
if (ret) {
dev_err(c->dev, "set active state of %s failed: (%d)\n",
c->res_name, ret);
diff --git a/drivers/interconnect/qcom/bcm-voter.c b/drivers/interconnect/qcom/bcm-voter.c
index 2adfde8..fbe18b2 100644
--- a/drivers/interconnect/qcom/bcm-voter.c
+++ b/drivers/interconnect/qcom/bcm-voter.c
@@ -263,7 +263,9 @@ int qcom_icc_bcm_voter_commit(struct bcm_voter *voter)
tcs_list_gen(&voter->commit_list, QCOM_ICC_BUCKET_AMC, cmds, commit_idx);
if (!commit_idx[0])
- goto out;
+ goto end;
+
+ rpmh_start_transaction(voter-dev);
ret = rpmh_invalidate(voter->dev);
if (ret) {
@@ -312,12 +314,15 @@ int qcom_icc_bcm_voter_commit(struct bcm_voter *voter)
tcs_list_gen(&voter->commit_list, QCOM_ICC_BUCKET_SLEEP, cmds, commit_idx);
ret = rpmh_write_batch(voter->dev, RPMH_SLEEP_STATE, cmds, commit_idx);
- if (ret) {
+ if (ret)
pr_err("Error sending SLEEP RPMH requests (%d)\n", ret);
- goto out;
- }
out:
+ ret = rpmh_end_transaction(voter-dev);
+ if (ret)
+ pr_err("Error ending rpmh transaction (%d)\n", ret);
+
+end:
list_for_each_entry_safe(bcm, bcm_tmp, &voter->commit_list, list)
list_del_init(&bcm->list);
diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c
index c86ad40..f4b9176 100644
--- a/drivers/regulator/qcom-rpmh-regulator.c
+++ b/drivers/regulator/qcom-rpmh-regulator.c
@@ -163,12 +163,16 @@ static int rpmh_regulator_send_request(struct rpmh_vreg *vreg,
{
int ret;
+ rpmh_start_transaction(vreg->dev);
+
if (wait_for_ack || vreg->always_wait_for_ack)
ret = rpmh_write(vreg->dev, RPMH_ACTIVE_ONLY_STATE, cmd, 1);
else
ret = rpmh_write_async(vreg->dev, RPMH_ACTIVE_ONLY_STATE, cmd,
1);
+ ret |= rpmh_end_transaction(vreg->dev);
+
return ret;
}
diff --git a/drivers/soc/qcom/rpmhpd.c b/drivers/soc/qcom/rpmhpd.c
index 4d264d0..0e9d204 100644
--- a/drivers/soc/qcom/rpmhpd.c
+++ b/drivers/soc/qcom/rpmhpd.c
@@ -193,19 +193,26 @@ static const struct of_device_id rpmhpd_match_table[] = {
static int rpmhpd_send_corner(struct rpmhpd *pd, int state,
unsigned int corner, bool sync)
{
+ int ret;
struct tcs_cmd cmd = {
.addr = pd->addr,
.data = corner,
};
+ rpmh_start_transaction(pd->dev);
+
/*
* Wait for an ack only when we are increasing the
* perf state of the power domain
*/
if (sync)
- return rpmh_write(pd->dev, state, &cmd, 1);
+ ret = rpmh_write(pd->dev, state, &cmd, 1);
else
- return rpmh_write_async(pd->dev, state, &cmd, 1);
+ ret = rpmh_write_async(pd->dev, state, &cmd, 1);
+
+ ret |= rpmh_end_transaction(pd->dev);
+
+ return ret;
}
static void to_active_sleep(struct rpmhpd *pd, unsigned int corner,
--
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