cregit-Linux how code gets into the kernel

Release 4.7 drivers/media/platform/s5p-mfc/s5p_mfc_intr.c

/*
 * drivers/media/platform/samsung/mfc5/s5p_mfc_intr.c
 *
 * C file for Samsung MFC (Multi Function Codec - FIMV) driver
 * This file contains functions used to wait for command completion.
 *
 * Kamil Debski, Copyright (C) 2011 Samsung Electronics Co., Ltd.
 * http://www.samsung.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.
 */

#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/io.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include "s5p_mfc_common.h"
#include "s5p_mfc_debug.h"
#include "s5p_mfc_intr.h"


int s5p_mfc_wait_for_done_dev(struct s5p_mfc_dev *dev, int command) { int ret; ret = wait_event_interruptible_timeout(dev->queue, (dev->int_cond && (dev->int_type == command || dev->int_type == S5P_MFC_R2H_CMD_ERR_RET)), msecs_to_jiffies(MFC_INT_TIMEOUT)); if (ret == 0) { mfc_err("Interrupt (dev->int_type:%d, command:%d) timed out\n", dev->int_type, command); return 1; } else if (ret == -ERESTARTSYS) { mfc_err("Interrupted by a signal\n"); return 1; } mfc_debug(1, "Finished waiting (dev->int_type:%d, command: %d)\n", dev->int_type, command); if (dev->int_type == S5P_MFC_R2H_CMD_ERR_RET) return 1; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
kamil debskikamil debski11598.29%150.00%
arun kumar karun kumar k21.71%150.00%
Total117100.00%2100.00%


void s5p_mfc_clean_dev_int_flags(struct s5p_mfc_dev *dev) { dev->int_cond = 0; dev->int_type = 0; dev->int_err = 0; }

Contributors

PersonTokensPropCommitsCommitProp
kamil debskikamil debski28100.00%1100.00%
Total28100.00%1100.00%


int s5p_mfc_wait_for_done_ctx(struct s5p_mfc_ctx *ctx, int command, int interrupt) { int ret; if (interrupt) { ret = wait_event_interruptible_timeout(ctx->queue, (ctx->int_cond && (ctx->int_type == command || ctx->int_type == S5P_MFC_R2H_CMD_ERR_RET)), msecs_to_jiffies(MFC_INT_TIMEOUT)); } else { ret = wait_event_timeout(ctx->queue, (ctx->int_cond && (ctx->int_type == command || ctx->int_type == S5P_MFC_R2H_CMD_ERR_RET)), msecs_to_jiffies(MFC_INT_TIMEOUT)); } if (ret == 0) { mfc_err("Interrupt (ctx->int_type:%d, command:%d) timed out\n", ctx->int_type, command); return 1; } else if (ret == -ERESTARTSYS) { mfc_err("Interrupted by a signal\n"); return 1; } mfc_debug(1, "Finished waiting (ctx->int_type:%d, command: %d)\n", ctx->int_type, command); if (ctx->int_type == S5P_MFC_R2H_CMD_ERR_RET) return 1; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
kamil debskikamil debski16098.16%150.00%
arun kumar karun kumar k31.84%150.00%
Total163100.00%2100.00%


void s5p_mfc_clean_ctx_int_flags(struct s5p_mfc_ctx *ctx) { ctx->int_cond = 0; ctx->int_type = 0; ctx->int_err = 0; }

Contributors

PersonTokensPropCommitsCommitProp
kamil debskikamil debski28100.00%1100.00%
Total28100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
kamil debskikamil debski35598.34%133.33%
arun kumar karun kumar k51.39%133.33%
mauro carvalho chehabmauro carvalho chehab10.28%133.33%
Total361100.00%3100.00%
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