linux-kernel - [PATCH RFT 05/20] media: venus: pm

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Message-Id: <20230911-topic-mars-v1-5-a7d38bf87bdb@linaro.org>
Date:   Mon, 11 Sep 2023 17:10:19 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH RFT 05/20] media: venus: pm_helpers: Kill dead code

A situation like:

if (!foo)
	goto bar;

for (i = 0; i < foo; i++)
	...1...

bar:
	...2...

is totally identical to:

for (i = 0; i < 0; i++) // === if (0)
	...1...

...2...

Get rid of such boilerplate.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/media/platform/qcom/venus/pm_helpers.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index 9bedb3bc7223..f5130aa3ddfc 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -875,9 +875,6 @@ static int vcodec_domains_get(struct venus_core *core)
 	struct device *pd;
 	unsigned int i;
 
-	if (!res->vcodec_pmdomains_num)
-		goto skip_pmdomains;
-
 	for (i = 0; i < res->vcodec_pmdomains_num; i++) {
 		pd = dev_pm_domain_attach_by_name(dev,
 						  res->vcodec_pmdomains[i]);
@@ -886,7 +883,6 @@ static int vcodec_domains_get(struct venus_core *core)
 		core->pmdomains[i] = pd;
 	}
 
-skip_pmdomains:
 	if (!core->res->opp_pmdomain)
 		return 0;
 
@@ -922,16 +918,12 @@ static void vcodec_domains_put(struct venus_core *core)
 	const struct venus_resources *res = core->res;
 	unsigned int i;
 
-	if (!res->vcodec_pmdomains_num)
-		goto skip_pmdomains;
-
 	for (i = 0; i < res->vcodec_pmdomains_num; i++) {
 		if (IS_ERR_OR_NULL(core->pmdomains[i]))
 			continue;
 		dev_pm_domain_detach(core->pmdomains[i], true);
 	}
 
-skip_pmdomains:
 	if (!core->has_opp_table)
 		return;
 
@@ -945,9 +937,6 @@ static int core_resets_reset(struct venus_core *core)
 	unsigned int i;
 	int ret;
 
-	if (!res->resets_num)
-		return 0;
-
 	for (i = 0; i < res->resets_num; i++) {
 		ret = reset_control_assert(core->resets[i]);
 		if (ret)
@@ -970,9 +959,6 @@ static int core_resets_get(struct venus_core *core)
 	unsigned int i;
 	int ret;
 
-	if (!res->resets_num)
-		return 0;
-
 	for (i = 0; i < res->resets_num; i++) {
 		core->resets[i] =
 			devm_reset_control_get_exclusive(dev, res->resets[i]);

-- 
2.42.0