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Commit e5615101 authored by Tao Zhang's avatar Tao Zhang
Browse files

dcc_v2: Control the cti trigger of each link list individually 



To be able to control the cti trigger of each list individually,
instead of using a cti_trig variable to control all link lists.

Change-Id: If81ba94bd02849ec63be16204859f7031bda60bf
Signed-off-by: default avatarTao Zhang <taozha@codeaurora.org>
parent 15adff88

drivers/soc/qcom/dcc_v2.c

+13 −6
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.

 */



#include <linux/module.h>
@@ -157,7 +157,7 @@ struct dcc_drvdata { 
	uint32_t		*nr_config;

	uint32_t		nr_link_list;

	uint8_t			curr_list;

	uint8_t			cti_trig;

	uint8_t			*cti_trig;

	uint8_t			loopoff;

};
@@ -776,7 +776,7 @@ static int dcc_enable(struct dcc_drvdata *drvdata) 
		}



		/* 5. Configure trigger */

		dcc_writel(drvdata, BIT(9) | ((drvdata->cti_trig << 8) |

		dcc_writel(drvdata, BIT(9) | ((drvdata->cti_trig[list] << 8) |

			   (drvdata->data_sink[list] << 4) |

			   (drvdata->func_type[list])), DCC_LL_CFG(list));

	}
@@ -1485,7 +1485,8 @@ static ssize_t cti_trig_show(struct device *dev, 
{

	struct dcc_drvdata *drvdata = dev_get_drvdata(dev);



	return scnprintf(buf, PAGE_SIZE, "%d\n", drvdata->cti_trig);

	return scnprintf(buf, PAGE_SIZE, "%d\n",

			drvdata->cti_trig[drvdata->curr_list]);

}



static ssize_t cti_trig_store(struct device *dev,
@@ -1513,9 +1514,11 @@ static ssize_t cti_trig_store(struct device *dev, 
	}



	if (val)

		drvdata->cti_trig = 1;

		drvdata->cti_trig[drvdata->curr_list] = 1;

	else

		drvdata->cti_trig = 0;

		drvdata->cti_trig[drvdata->curr_list] = 0;



	ret = size;

out:

	mutex_unlock(&drvdata->mutex);

	return ret;
@@ -1864,6 +1867,10 @@ static int dcc_probe(struct platform_device *pdev) 
			sizeof(uint32_t), GFP_KERNEL);

	if (!drvdata->nr_config)

		return -ENOMEM;

	drvdata->cti_trig = devm_kzalloc(dev, drvdata->nr_link_list *

			sizeof(uint8_t), GFP_KERNEL);

	if (!drvdata->cti_trig)

		return -ENOMEM;

	drvdata->cfg_head = devm_kzalloc(dev, drvdata->nr_link_list *

			sizeof(struct list_head), GFP_KERNEL);

	if (!drvdata->cfg_head)