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Date: Wed, 6 May 2020 15:49:20 +1000
From: Eizan Miyamoto <eizan@...omium.org>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Eizan Miyamoto <eizan@...omium.org>,
Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
Houlong Wei <houlong.wei@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Minghsiu Tsai <minghsiu.tsai@...iatek.com>,
linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
linux-mediatek@...ts.infradead.org
Subject: [PATCH v2 5/5] [media] mtk-mdp: Remove mtk_mdp_comp.id and supporting functionality
Since components are registered in a list, the numeric component id that
specified a location in an array is not necessary.
Signed-off-by: eizan@...omium.org
Signed-off-by: Eizan Miyamoto <eizan@...omium.org>
---
Changes in v1:
- rebase onto linux-next/master to pick up
757570f11fa4b0ce5472a6583de6f06e996a8527
drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 60 +++----------------
drivers/media/platform/mtk-mdp/mtk_mdp_comp.h | 19 +-----
drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 10 +---
3 files changed, 11 insertions(+), 78 deletions(-)
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
index da2bdad7a8d1..362fff924aef 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
@@ -14,46 +14,6 @@
#include "mtk_mdp_comp.h"
-static const char * const mtk_mdp_comp_stem[MTK_MDP_COMP_TYPE_MAX] = {
- "mdp-rdma",
- "mdp-rsz",
- "mdp-wdma",
- "mdp-wrot",
-};
-
-struct mtk_mdp_comp_match {
- enum mtk_mdp_comp_type type;
- int alias_id;
-};
-
-static const struct mtk_mdp_comp_match mtk_mdp_matches[MTK_MDP_COMP_ID_MAX] = {
- { MTK_MDP_RDMA, 0 },
- { MTK_MDP_RDMA, 1 },
- { MTK_MDP_RSZ, 0 },
- { MTK_MDP_RSZ, 1 },
- { MTK_MDP_RSZ, 2 },
- { MTK_MDP_WDMA, 0 },
- { MTK_MDP_WROT, 0 },
- { MTK_MDP_WROT, 1 },
-};
-
-int mtk_mdp_comp_get_id(struct device *dev, struct device_node *node,
- enum mtk_mdp_comp_type comp_type)
-{
- int id = of_alias_get_id(node, mtk_mdp_comp_stem[comp_type]);
- int i;
-
- for (i = 0; i < ARRAY_SIZE(mtk_mdp_matches); i++) {
- if (comp_type == mtk_mdp_matches[i].type &&
- id == mtk_mdp_matches[i].alias_id)
- return i;
- }
-
- dev_err(dev, "Failed to get id. type: %d, id: %d\n", comp_type, id);
-
- return -EINVAL;
-}
-
void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp)
{
int i, err;
@@ -62,8 +22,8 @@ void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp)
err = mtk_smi_larb_get(comp->larb_dev);
if (err)
dev_err(dev,
- "failed to get larb, err %d. type:%d id:%d\n",
- err, comp->type, comp->id);
+ "failed to get larb, err %d. type:%d\n",
+ err, comp->type);
}
for (i = 0; i < ARRAY_SIZE(comp->clk); i++) {
@@ -72,8 +32,8 @@ void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp)
err = clk_prepare_enable(comp->clk[i]);
if (err)
dev_err(dev,
- "failed to enable clock, err %d. type:%d id:%d i:%d\n",
- err, comp->type, comp->id, i);
+ "failed to enable clock, err %d. type:%d i:%d\n",
+ err, comp->type, i);
}
}
@@ -92,21 +52,15 @@ void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp)
}
int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
- struct mtk_mdp_comp *comp, enum mtk_mdp_comp_id comp_id)
+ struct mtk_mdp_comp *comp,
+ enum mtk_mdp_comp_type comp_type)
{
struct device_node *larb_node;
struct platform_device *larb_pdev;
int i;
- if (comp_id < 0 || comp_id >= MTK_MDP_COMP_ID_MAX) {
- dev_err(dev, "Invalid comp_id %d\n", comp_id);
- return -EINVAL;
- }
-
- INIT_LIST_HEAD(&comp->node);
comp->dev_node = of_node_get(node);
- comp->id = comp_id;
- comp->type = mtk_mdp_matches[comp_id].type;
+ comp->type = comp_type;
for (i = 0; i < ARRAY_SIZE(comp->clk); i++) {
comp->clk[i] = of_clk_get(node, i);
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h
index 1f745891c6c3..1bf0242cce46 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h
@@ -22,18 +22,6 @@ enum mtk_mdp_comp_type {
MTK_MDP_COMP_TYPE_MAX,
};
-enum mtk_mdp_comp_id {
- MTK_MDP_COMP_RDMA0,
- MTK_MDP_COMP_RDMA1,
- MTK_MDP_COMP_RSZ0,
- MTK_MDP_COMP_RSZ1,
- MTK_MDP_COMP_RSZ2,
- MTK_MDP_COMP_WDMA,
- MTK_MDP_COMP_WROT0,
- MTK_MDP_COMP_WROT1,
- MTK_MDP_COMP_ID_MAX,
-};
-
/**
* struct mtk_mdp_comp - the MDP's function component data
* @node: list node to track sibing MDP components
@@ -41,7 +29,6 @@ enum mtk_mdp_comp_id {
* @clk: clocks required for component
* @larb_dev: SMI device required for component
* @type: component type
- * @id: component ID
*/
struct mtk_mdp_comp {
struct list_head node;
@@ -49,14 +36,12 @@ struct mtk_mdp_comp {
struct clk *clk[2];
struct device *larb_dev;
enum mtk_mdp_comp_type type;
- enum mtk_mdp_comp_id id;
};
int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
- struct mtk_mdp_comp *comp, enum mtk_mdp_comp_id comp_id);
+ struct mtk_mdp_comp *comp,
+ enum mtk_mdp_comp_type comp_type);
void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp);
-int mtk_mdp_comp_get_id(struct device *dev, struct device_node *node,
- enum mtk_mdp_comp_type comp_type);
void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp);
void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp);
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
index 40b9fda8b03b..acbc5a01ae4c 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
@@ -137,7 +137,6 @@ static int mtk_mdp_probe(struct platform_device *pdev)
for_each_child_of_node(parent, node) {
const struct of_device_id *of_id;
enum mtk_mdp_comp_type comp_type;
- int comp_id;
of_id = of_match_node(mtk_mdp_comp_dt_ids, node);
if (!of_id)
@@ -150,12 +149,7 @@ static int mtk_mdp_probe(struct platform_device *pdev)
}
comp_type = (enum mtk_mdp_comp_type)of_id->data;
- comp_id = mtk_mdp_comp_get_id(dev, node, comp_type);
- if (comp_id < 0) {
- dev_warn(dev, "Skipping unknown component %pOF\n",
- node);
- continue;
- }
+
comp = devm_kzalloc(dev, sizeof(*comp), GFP_KERNEL);
if (!comp) {
@@ -164,7 +158,7 @@ static int mtk_mdp_probe(struct platform_device *pdev)
goto err_comp;
}
- ret = mtk_mdp_comp_init(dev, node, comp, comp_id);
+ ret = mtk_mdp_comp_init(dev, node, comp, comp_type);
if (ret) {
of_node_put(node);
goto err_comp;
--
2.26.2.526.g744177e7f7-goog
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