// SPDX-License-Identifier: GPL-2.0-only
/*
* 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/
*/
#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 ;
}
void s5p_mfc_clean_dev_int_flags(struct s5p_mfc_dev *dev)
{
dev->int_cond = 0 ;
dev->int_type = 0 ;
dev->int_err = 0 ;
}
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 ;
}
void s5p_mfc_clean_ctx_int_flags(struct s5p_mfc_ctx *ctx)
{
ctx->int_cond = 0 ;
ctx->int_type = 0 ;
ctx->int_err = 0 ;
}
Messung V0.5 in Prozent C=94 H=93 G=93
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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