From: Gustavo Padovan gustavo.padovan@collabora.co.uk
We can glue the sw_sync file operations directly on the sync framework without the need to pass through sw_sync wrappers.
It only builds sw_sync debugfs file support if CONFIG_SW_SYNC is enabled.
Signed-off-by: Gustavo Padovan gustavo.padovan@collabora.co.uk --- drivers/staging/android/Makefile | 1 - drivers/staging/android/sw_sync.c | 45 ---------------------------------- drivers/staging/android/sw_sync.h | 47 ------------------------------------ drivers/staging/android/sync_debug.c | 17 ++++++++++--- 4 files changed, 13 insertions(+), 97 deletions(-) delete mode 100644 drivers/staging/android/sw_sync.c delete mode 100644 drivers/staging/android/sw_sync.h
diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile index 980d6dc..bf45967 100644 --- a/drivers/staging/android/Makefile +++ b/drivers/staging/android/Makefile @@ -5,4 +5,3 @@ obj-y += ion/ obj-$(CONFIG_ASHMEM) += ashmem.o obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER) += lowmemorykiller.o obj-$(CONFIG_SYNC) += sync.o sync_debug.o -obj-$(CONFIG_SW_SYNC) += sw_sync.o diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c deleted file mode 100644 index 461dbd9..0000000 --- a/drivers/staging/android/sw_sync.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * drivers/base/sw_sync.c - * - * Copyright (C) 2012 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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/kernel.h> -#include <linux/init.h> -#include <linux/export.h> -#include <linux/file.h> -#include <linux/fs.h> -#include <linux/miscdevice.h> -#include <linux/syscalls.h> -#include <linux/uaccess.h> - -#include "sw_sync.h" - -struct fence *sw_sync_pt_create(struct sync_timeline *obj, u32 value) -{ - return sync_pt_create(obj, sizeof(struct fence), value); -} -EXPORT_SYMBOL(sw_sync_pt_create); - -struct sync_timeline *sw_sync_timeline_create(const char *name) -{ - return sync_timeline_create(sizeof(struct sync_timeline), - "sw_sync", name); -} -EXPORT_SYMBOL(sw_sync_timeline_create); - -void sw_sync_timeline_inc(struct sync_timeline *obj, u32 inc) -{ - sync_timeline_signal(obj, inc); -} -EXPORT_SYMBOL(sw_sync_timeline_inc); diff --git a/drivers/staging/android/sw_sync.h b/drivers/staging/android/sw_sync.h deleted file mode 100644 index 9f26c62..0000000 --- a/drivers/staging/android/sw_sync.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * include/linux/sw_sync.h - * - * Copyright (C) 2012 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#ifndef _LINUX_SW_SYNC_H -#define _LINUX_SW_SYNC_H - -#include <linux/types.h> -#include <linux/kconfig.h> -#include "sync.h" -#include "uapi/sw_sync.h" - -#if IS_ENABLED(CONFIG_SW_SYNC) -struct sync_timeline *sw_sync_timeline_create(const char *name); -void sw_sync_timeline_inc(struct sync_timeline *obj, u32 inc); - -struct fence *sw_sync_pt_create(struct sync_timeline *obj, u32 value); -#else -static inline struct sync_timeline *sw_sync_timeline_create(const char *name) -{ - return NULL; -} - -static inline void sw_sync_timeline_inc(struct sync_timeline *obj, u32 inc) -{ -} - -static inline struct fence *sw_sync_pt_create(struct sync_timeline *obj, - u32 value) -{ - return NULL; -} -#endif /* IS_ENABLED(CONFIG_SW_SYNC) */ - -#endif /* _LINUX_SW_SYNC_H */ diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c index e207a4d..dc85d5f 100644 --- a/drivers/staging/android/sync_debug.c +++ b/drivers/staging/android/sync_debug.c @@ -27,7 +27,11 @@ #include <linux/anon_inodes.h> #include <linux/time64.h> #include <linux/sync_file.h> -#include "sw_sync.h" +#include <linux/types.h> +#include <linux/kconfig.h> + +#include "uapi/sw_sync.h" +#include "sync.h"
#ifdef CONFIG_DEBUG_FS
@@ -200,6 +204,7 @@ static const struct file_operations sync_info_debugfs_fops = { .release = single_release, };
+#if IS_ENABLED(CONFIG_SW_SYNC) /* * *WARNING* * @@ -214,7 +219,7 @@ static int sw_sync_debugfs_open(struct inode *inode, struct file *file)
get_task_comm(task_comm, current);
- obj = sw_sync_timeline_create(task_comm); + obj = sync_timeline_create(sizeof(*obj), "sw_sync", task_comm); if (!obj) return -ENOMEM;
@@ -248,7 +253,7 @@ static long sw_sync_ioctl_create_fence(struct sync_timeline *obj, goto err; }
- fence = sw_sync_pt_create(obj, data.value); + fence = sync_pt_create(obj, sizeof(*fence), data.value); if (!fence) { err = -ENOMEM; goto err; @@ -284,7 +289,7 @@ static long sw_sync_ioctl_inc(struct sync_timeline *obj, unsigned long arg) if (copy_from_user(&value, (void __user *)arg, sizeof(value))) return -EFAULT;
- sw_sync_timeline_inc(obj, value); + sync_timeline_signal(obj, value);
return 0; } @@ -312,14 +317,18 @@ static const struct file_operations sw_sync_debugfs_fops = { .unlocked_ioctl = sw_sync_ioctl, .compat_ioctl = sw_sync_ioctl, }; +#endif
static __init int sync_debugfs_init(void) { dbgfs = debugfs_create_dir("sync", NULL);
debugfs_create_file("info", 0444, dbgfs, NULL, &sync_info_debugfs_fops); + +#if IS_ENABLED(CONFIG_SW_SYNC) debugfs_create_file("sw_sync", 0644, dbgfs, NULL, &sw_sync_debugfs_fops); +#endif
return 0; }