disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/arch/mips/include/asm/uaccess.h
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@@ -69,11 +69,10 @@
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 #define USER_DS		((mm_segment_t) { __UA_LIMIT })
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 #endif
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-#define get_ds()	(KERNEL_DS)
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 #define get_fs()	(current_thread_info()->addr_limit)
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 #define set_fs(x)	(current_thread_info()->addr_limit = (x))
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-#define segment_eq(a, b)	((a).seg == (b).seg)
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+#define uaccess_kernel()	(get_fs().seg == KERNEL_DS.seg)
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 /*
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  * eva_kernel_access() - determine whether kernel memory access on an EVA system
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@@ -109,9 +108,6 @@
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 /*
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  * access_ok: - Checks if a user space pointer is valid
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- * @type: Type of access: %VERIFY_READ or %VERIFY_WRITE.  Note that
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- *	  %VERIFY_WRITE is a superset of %VERIFY_READ - if it is safe
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- *	  to write to a block, it is always safe to read from it.
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  * @addr: User space pointer to start of block to check
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  * @size: Size of block to check
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  *
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@@ -134,7 +130,7 @@
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 	return (get_fs().seg & (addr | (addr + size) | __ua_size(size))) == 0;
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 }
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-#define access_ok(type, addr, size)					\
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+#define access_ok(addr, size)					\
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 	likely(__access_ok((addr), (size)))
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 /*
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@@ -304,7 +300,7 @@
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 	const __typeof__(*(ptr)) __user * __gu_ptr = (ptr);		\
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 									\
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 	might_fault();							\
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-	if (likely(access_ok(VERIFY_READ,  __gu_ptr, size))) {		\
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+	if (likely(access_ok( __gu_ptr, size))) {		\
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 		if (eva_kernel_access())				\
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 			__get_kernel_common((x), size, __gu_ptr);	\
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 		else							\
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@@ -446,7 +442,7 @@
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 	int __pu_err = -EFAULT;						\
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 									\
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 	might_fault();							\
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-	if (likely(access_ok(VERIFY_WRITE,  __pu_addr, size))) {	\
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+	if (likely(access_ok( __pu_addr, size))) {	\
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 		if (eva_kernel_access())				\
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 			__put_kernel_common(__pu_addr, size);		\
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 		else							\
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@@ -691,8 +687,7 @@
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 ({									\
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 	void __user * __cl_addr = (addr);				\
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 	unsigned long __cl_size = (n);					\
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-	if (__cl_size && access_ok(VERIFY_WRITE,			\
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-					__cl_addr, __cl_size))		\
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+	if (__cl_size && access_ok(__cl_addr, __cl_size))		\
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 		__cl_size = __clear_user(__cl_addr, __cl_size);		\
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 	__cl_size;							\
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 })