linux-kernel - [PATCH v3 03/15] media: qcom: camss: Pass icc bandwidth table as a platform parameter

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 23 Aug 2023 11:44:32 +0100
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     rfoss@...nel.org, todor.too@...il.com, bryan.odonoghue@...aro.org,
        agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        mchehab@...nel.org, hverkuil-cisco@...all.nl,
        laurent.pinchart@...asonboard.com, sakari.ailus@...ux.intel.com,
        andrey.konovalov@...aro.org
Cc:     linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 03/15] media: qcom: camss: Pass icc bandwidth table as a platform parameter

Pass the bandwidth table as a platform parameter not if/else derived
pointer to the static table.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Acked-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/media/platform/qcom/camss/camss.c | 29 +++++++----------------
 drivers/media/platform/qcom/camss/camss.h |  3 ++-
 2 files changed, 11 insertions(+), 21 deletions(-)

diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 82e679c8ca011..9a15f2253aa20 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -1485,21 +1485,15 @@ static int camss_configure_pd(struct camss *camss)
 static int camss_icc_get(struct camss *camss)
 {
 	const struct resources_icc *icc_res;
-	int nbr_icc_paths = 0;
 	int i;
 
-	if (camss->version == CAMSS_8250) {
-		icc_res = &icc_res_sm8250[0];
-		nbr_icc_paths =	ICC_SM8250_COUNT;
-	}
+	icc_res = camss->res->icc_res;
 
-	for (i = 0; i < nbr_icc_paths; i++) {
+	for (i = 0; i < camss->res->icc_path_num; i++) {
 		camss->icc_path[i] = devm_of_icc_get(camss->dev,
 						     icc_res[i].name);
 		if (IS_ERR(camss->icc_path[i]))
 			return PTR_ERR(camss->icc_path[i]);
-
-		camss->icc_bw_tbl[i] = icc_res[i].icc_bw_tbl;
 	}
 
 	return 0;
@@ -1737,6 +1731,8 @@ static const struct camss_resources sm8250_resources = {
 	.csiphy_res = csiphy_res_8250,
 	.csid_res = csid_res_8250,
 	.vfe_res = vfe_res_8250,
+	.icc_res = icc_res_sm8250,
+	.icc_path_num = ARRAY_SIZE(icc_res_sm8250),
 };
 
 static const struct of_device_id camss_dt_match[] = {
@@ -1753,14 +1749,10 @@ MODULE_DEVICE_TABLE(of, camss_dt_match);
 static int __maybe_unused camss_runtime_suspend(struct device *dev)
 {
 	struct camss *camss = dev_get_drvdata(dev);
-	int nbr_icc_paths = 0;
 	int i;
 	int ret;
 
-	if (camss->version == CAMSS_8250)
-		nbr_icc_paths =	ICC_SM8250_COUNT;
-
-	for (i = 0; i < nbr_icc_paths; i++) {
+	for (i = 0; i < camss->res->icc_path_num; i++) {
 		ret = icc_set_bw(camss->icc_path[i], 0, 0);
 		if (ret)
 			return ret;
@@ -1772,17 +1764,14 @@ static int __maybe_unused camss_runtime_suspend(struct device *dev)
 static int __maybe_unused camss_runtime_resume(struct device *dev)
 {
 	struct camss *camss = dev_get_drvdata(dev);
-	int nbr_icc_paths = 0;
+	const struct resources_icc *icc_res = camss->res->icc_res;
 	int i;
 	int ret;
 
-	if (camss->version == CAMSS_8250)
-		nbr_icc_paths =	ICC_SM8250_COUNT;
-
-	for (i = 0; i < nbr_icc_paths; i++) {
+	for (i = 0; i < camss->res->icc_path_num; i++) {
 		ret = icc_set_bw(camss->icc_path[i],
-				 camss->icc_bw_tbl[i].avg,
-				 camss->icc_bw_tbl[i].peak);
+				 icc_res[i].icc_bw_tbl.avg,
+				 icc_res[i].icc_bw_tbl.peak);
 		if (ret)
 			return ret;
 	}
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index f632ee49ad83e..988c313b63551 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -84,6 +84,8 @@ struct camss_resources {
 	const struct resources *csid_res;
 	const struct resources *ispif_res;
 	const struct resources *vfe_res;
+	const struct resources_icc *icc_res;
+	const int icc_path_num;
 };
 
 struct camss {
@@ -105,7 +107,6 @@ struct camss {
 	struct device **genpd;
 	struct device_link **genpd_link;
 	struct icc_path *icc_path[ICC_SM8250_COUNT];
-	struct icc_bw_tbl icc_bw_tbl[ICC_SM8250_COUNT];
 	const struct camss_resources *res;
 };
 
-- 
2.41.0