diff options
Diffstat (limited to 'drivers/media/platform/msm/camera/cam_core/cam_context.c')
| -rw-r--r-- | drivers/media/platform/msm/camera/cam_core/cam_context.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/media/platform/msm/camera/cam_core/cam_context.c b/drivers/media/platform/msm/camera/cam_core/cam_context.c index da785271053f..8a3dbba5ec19 100644 --- a/drivers/media/platform/msm/camera/cam_core/cam_context.c +++ b/drivers/media/platform/msm/camera/cam_core/cam_context.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved. +/* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -42,6 +42,7 @@ int cam_context_shutdown(struct cam_context *ctx) int rc = 0; int32_t ctx_hdl = ctx->dev_hdl; + mutex_lock(&ctx->ctx_mutex); if (ctx->state_machine[ctx->state].ioctl_ops.stop_dev) { rc = ctx->state_machine[ctx->state].ioctl_ops.stop_dev( ctx, NULL); @@ -54,6 +55,7 @@ int cam_context_shutdown(struct cam_context *ctx) if (rc < 0) CAM_ERR(CAM_CORE, "Error while dev release %d", rc); } + mutex_unlock(&ctx->ctx_mutex); if (!rc) rc = cam_destroy_device_hdl(ctx_hdl); @@ -221,6 +223,27 @@ int cam_context_handle_crm_process_evt(struct cam_context *ctx, return rc; } +int cam_context_dump_pf_info(struct cam_context *ctx, unsigned long iova, + uint32_t buf_info) +{ + int rc = 0; + + if (!ctx->state_machine) { + CAM_ERR(CAM_CORE, "Context is not ready"); + return -EINVAL; + } + + if (ctx->state_machine[ctx->state].pagefault_ops) { + rc = ctx->state_machine[ctx->state].pagefault_ops(ctx, iova, + buf_info); + } else { + CAM_WARN(CAM_CORE, "No dump ctx in dev %d, state %d", + ctx->dev_hdl, ctx->state); + } + + return rc; +} + int cam_context_handle_acquire_dev(struct cam_context *ctx, struct cam_acquire_dev_cmd *cmd) { @@ -431,7 +454,7 @@ int cam_context_init(struct cam_context *ctx, mutex_init(&ctx->sync_mutex); spin_lock_init(&ctx->lock); - ctx->dev_name = dev_name; + strlcpy(ctx->dev_name, dev_name, CAM_CTX_DEV_NAME_MAX_LENGTH); ctx->dev_id = dev_id; ctx->ctx_id = ctx_id; ctx->ctx_crm_intf = NULL; |