From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 87 ++++++++++++++++++++++++++-----------------
1 files changed, 52 insertions(+), 35 deletions(-)
diff --git a/kernel/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/kernel/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
index 3deb054..976aa1f 100644
--- a/kernel/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
+++ b/kernel/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2015-2016 MediaTek Inc.
* Author: Houlong Wei <houlong.wei@mediatek.com>
* Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/clk.h>
@@ -63,19 +55,19 @@
static void mtk_mdp_clock_on(struct mtk_mdp_dev *mdp)
{
struct device *dev = &mdp->pdev->dev;
- int i;
+ struct mtk_mdp_comp *comp_node;
- for (i = 0; i < ARRAY_SIZE(mdp->comp); i++)
- mtk_mdp_comp_clock_on(dev, mdp->comp[i]);
+ list_for_each_entry(comp_node, &mdp->comp_list, node)
+ mtk_mdp_comp_clock_on(dev, comp_node);
}
static void mtk_mdp_clock_off(struct mtk_mdp_dev *mdp)
{
struct device *dev = &mdp->pdev->dev;
- int i;
+ struct mtk_mdp_comp *comp_node;
- for (i = 0; i < ARRAY_SIZE(mdp->comp); i++)
- mtk_mdp_comp_clock_off(dev, mdp->comp[i]);
+ list_for_each_entry(comp_node, &mdp->comp_list, node)
+ mtk_mdp_comp_clock_off(dev, comp_node);
}
static void mtk_mdp_wdt_worker(struct work_struct *work)
@@ -99,12 +91,25 @@
queue_work(mdp->wdt_wq, &mdp->wdt_work);
}
+void mtk_mdp_register_component(struct mtk_mdp_dev *mdp,
+ struct mtk_mdp_comp *comp)
+{
+ list_add(&comp->node, &mdp->comp_list);
+}
+
+void mtk_mdp_unregister_component(struct mtk_mdp_dev *mdp,
+ struct mtk_mdp_comp *comp)
+{
+ list_del(&comp->node);
+}
+
static int mtk_mdp_probe(struct platform_device *pdev)
{
struct mtk_mdp_dev *mdp;
struct device *dev = &pdev->dev;
struct device_node *node, *parent;
- int i, ret = 0;
+ struct mtk_mdp_comp *comp, *comp_temp;
+ int ret = 0;
mdp = devm_kzalloc(dev, sizeof(*mdp), GFP_KERNEL);
if (!mdp)
@@ -112,6 +117,7 @@
mdp->id = pdev->id;
mdp->pdev = pdev;
+ INIT_LIST_HEAD(&mdp->comp_list);
INIT_LIST_HEAD(&mdp->ctx_list);
mutex_init(&mdp->lock);
@@ -131,8 +137,6 @@
for_each_child_of_node(parent, node) {
const struct of_device_id *of_id;
enum mtk_mdp_comp_type comp_type;
- int comp_id;
- struct mtk_mdp_comp *comp;
of_id = of_match_node(mtk_mdp_comp_dt_ids, node);
if (!of_id)
@@ -145,23 +149,21 @@
}
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) {
ret = -ENOMEM;
+ of_node_put(node);
goto err_comp;
}
- mdp->comp[comp_id] = comp;
- ret = mtk_mdp_comp_init(dev, node, comp, comp_id);
- if (ret)
+ ret = mtk_mdp_comp_init(dev, node, comp, comp_type);
+ if (ret) {
+ of_node_put(node);
goto err_comp;
+ }
+
+ mtk_mdp_register_component(mdp, comp);
}
mdp->job_wq = create_singlethread_workqueue(MTK_MDP_MODULE_NAME);
@@ -193,12 +195,20 @@
}
mdp->vpu_dev = vpu_get_plat_device(pdev);
- vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
- VPU_RST_MDP);
+ ret = vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
+ VPU_RST_MDP);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register reset handler\n");
+ goto err_m2m_register;
+ }
platform_set_drvdata(pdev, mdp);
- vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+ ret = vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to set vb2 dma mag seg size\n");
+ goto err_m2m_register;
+ }
pm_runtime_enable(dev);
dev_dbg(dev, "mdp-%d registered successfully\n", mdp->id);
@@ -217,8 +227,10 @@
err_alloc_job_wq:
err_comp:
- for (i = 0; i < ARRAY_SIZE(mdp->comp); i++)
- mtk_mdp_comp_deinit(dev, mdp->comp[i]);
+ list_for_each_entry_safe(comp, comp_temp, &mdp->comp_list, node) {
+ mtk_mdp_unregister_component(mdp, comp);
+ mtk_mdp_comp_deinit(dev, comp);
+ }
dev_dbg(dev, "err %d\n", ret);
return ret;
@@ -227,18 +239,23 @@
static int mtk_mdp_remove(struct platform_device *pdev)
{
struct mtk_mdp_dev *mdp = platform_get_drvdata(pdev);
- int i;
+ struct mtk_mdp_comp *comp, *comp_temp;
pm_runtime_disable(&pdev->dev);
vb2_dma_contig_clear_max_seg_size(&pdev->dev);
mtk_mdp_unregister_m2m_device(mdp);
v4l2_device_unregister(&mdp->v4l2_dev);
+ flush_workqueue(mdp->wdt_wq);
+ destroy_workqueue(mdp->wdt_wq);
+
flush_workqueue(mdp->job_wq);
destroy_workqueue(mdp->job_wq);
- for (i = 0; i < ARRAY_SIZE(mdp->comp); i++)
- mtk_mdp_comp_deinit(&pdev->dev, mdp->comp[i]);
+ list_for_each_entry_safe(comp, comp_temp, &mdp->comp_list, node) {
+ mtk_mdp_unregister_component(mdp, comp);
+ mtk_mdp_comp_deinit(&pdev->dev, comp);
+ }
dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name);
return 0;
--
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