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[linux] porting cvitek asic chips.

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1. update cv182x/cv183x configuration file
	2. update cv181x/cv180x configuration file
	3. update clk driver for cvitek
	4. update dma driver for cvitek
	5. update soc driver for cvitek
	6. porting cvitek ion driver from kernel-4.19
	7. compatible with riscv

Change-Id: Icff9fafe0ebe7d6bab824bbadb952e08bdc66c19
This commit is contained in:
wangliang.wang
2023-03-09 14:38:25 +08:00
committed by sam.xiang
parent 4bc998a131
commit 4f810186ab
2062 changed files with 544892 additions and 2134 deletions
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25
linux_5.10/arch/riscv/include/asm/uaccess.h
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@ -10,6 +10,31 @@
#include <asm/pgtable.h> /* for TASK_SIZE */
#ifdef CONFIG_SET_FS
/*
* The fs value determines whether argument validity checking should be
* performed or not. If get_fs() == USER_DS, checking is performed, with
* get_fs() == KERNEL_DS, checking is bypassed.
*
* For historical reasons, these macros are grossly misnamed.
*/
#define KERNEL_DS (~0UL)
#define USER_DS (TASK_SIZE)
#define get_ds() (KERNEL_DS)
#define get_fs() (current_thread_info()->addr_limit)
static inline void set_fs(mm_segment_t fs)
{
current_thread_info()->addr_limit = fs;
}
#define segment_eq(a, b) ((a) == (b))
#define user_addr_max() (get_fs())
#define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS)
#endif /* CONFIG_SET_FS */
/*
* User space memory access functions
*/