1 files changed, 0 insertions, 130 deletions
diff --git a/arch/m32r/lib/delay.c b/arch/m32r/lib/delay.c
deleted file mode 100644
index ae1fe90892f9..000000000000
--- a/arch/m32r/lib/delay.c
+++ /dev/null
@@ -1,130 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/lib/delay.c
- *
- * Copyright (c) 2002  Hitoshi Yamamoto, Hirokazu Takata
- * Copyright (c) 2004  Hirokazu Takata
- */
-#include <linux/param.h>
-#include <linux/module.h>
-#ifdef CONFIG_SMP
-#include <linux/sched.h>
-#include <asm/current.h>
-#include <asm/smp.h>
-#endif  /* CONFIG_SMP */
-#include <asm/processor.h>
-void __delay(unsigned long loops)
-{
-#ifdef CONFIG_ISA_DUAL_ISSUE
-        __asm__ __volatile__ (
-                "beqz   %0, 2f                  \n\t"
-                "addi   %0, #-1                 \n\t"
-                " .fillinsn                     \n\t"
-                "1:                             \n\t"
-                "cmpz   %0  ||  addi  %0, #-1   \n\t"
-                "bc     2f  ||  cmpz  %0        \n\t"
-                "bc     2f  ||  addi  %0, #-1   \n\t"
-                "cmpz   %0  ||  addi  %0, #-1   \n\t"
-                "bc     2f  ||  cmpz  %0        \n\t"
-                "bnc    1b  ||  addi  %0, #-1   \n\t"
-                " .fillinsn                     \n\t"
-                "2:                             \n\t"
-                : "+r" (loops)
-                : "r" (0)
-                : "cbit"
-        );
-#else
-        __asm__ __volatile__ (
-                "beqz   %0, 2f                  \n\t"
-                " .fillinsn                     \n\t"
-                "1:                             \n\t"
-                "addi   %0, #-1                 \n\t"
-                "blez   %0, 2f                  \n\t"
-                "addi   %0, #-1                 \n\t"
-                "blez   %0, 2f                  \n\t"
-                "addi   %0, #-1                 \n\t"
-                "blez   %0, 2f                  \n\t"
-                "addi   %0, #-1                 \n\t"
-                "bgtz   %0, 1b                  \n\t"
-                " .fillinsn                     \n\t"
-                "2:                             \n\t"
-                : "+r" (loops)
-                : "r" (0)
-        );
-#endif
-}
-void __const_udelay(unsigned long xloops)
-{
-#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2)
-        /*
-         * loops [1] = (xloops >> 32) [sec] * loops_per_jiffy [1/jiffy]
-         *            * HZ [jiffy/sec]
-         *          = (xloops >> 32) [sec] * (loops_per_jiffy * HZ) [1/sec]
-         *          = (((xloops * loops_per_jiffy) >> 32) * HZ) [1]
-         *
-         * NOTE:
-         *   - '[]' depicts variable's dimension in the above equation.
-         *   - "rac" instruction rounds the accumulator in word size.
-         */
-        __asm__ __volatile__ (
-                "srli   %0, #1                          \n\t"
-                "mulwhi %0, %1  ; a0                    \n\t"
-                "mulwu1 %0, %1  ; a1                    \n\t"
-                "sadd           ; a0 += (a1 >> 16)      \n\t"
-                "rac    a0, a0, #1                      \n\t"
-                "mvfacmi %0, a0                         \n\t"
-                : "+r" (xloops)
-                : "r" (current_cpu_data.loops_per_jiffy)
-                : "a0", "a1"
-        );
-#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
-        /*
-         * u64 ull;
-         * ull = (u64)xloops * (u64)current_cpu_data.loops_per_jiffy;
-         * xloops = (ull >> 32);
-         */
-        __asm__ __volatile__ (
-                "and3   r4, %0, #0xffff         \n\t"
-                "and3   r5, %1, #0xffff         \n\t"
-                "mul    r4, r5                  \n\t"
-                "srl3   r6, %0, #16             \n\t"
-                "srli   r4, #16                 \n\t"
-                "mul    r5, r6                  \n\t"
-                "add    r4, r5                  \n\t"
-                "and3   r5, %0, #0xffff         \n\t"
-                "srl3   r6, %1, #16             \n\t"
-                "mul    r5, r6                  \n\t"
-                "add    r4, r5                  \n\t"
-                "srl3   r5, %0, #16             \n\t"
-                "srli   r4, #16                 \n\t"
-                "mul    r5, r6                  \n\t"
-                "add    r4, r5                  \n\t"
-                "mv     %0, r4                  \n\t"
-                : "+r" (xloops)
-                : "r" (current_cpu_data.loops_per_jiffy)
-                : "r4", "r5", "r6"
-        );
-#else
-#error unknown isa configuration
-#endif
-        __delay(xloops * HZ);
-}
-void __udelay(unsigned long usecs)
-{
-        __const_udelay(usecs * 0x000010c7);  /* 2**32 / 1000000 (rounded up) */
-}
-void __ndelay(unsigned long nsecs)
-{
-        __const_udelay(nsecs * 0x00005);  /* 2**32 / 1000000000 (rounded up) */
-}
-EXPORT_SYMBOL(__delay);
-EXPORT_SYMBOL(__const_udelay);
-EXPORT_SYMBOL(__udelay);
-EXPORT_SYMBOL(__ndelay);

diff --git a/arch/m32r/lib/delay.c b/arch/m32r/lib/delay.c deleted file mode 100644 index ae1fe90892f9..000000000000 --- a/arch/m32r/lib/delay.c +++ /dev/null
@@ -1,130 +0,0 @@
1	// SPDX-License-Identifier: GPL-2.0
2	/*
3	* linux/arch/m32r/lib/delay.c
4	*
5	* Copyright (c) 2002 Hitoshi Yamamoto, Hirokazu Takata
6	* Copyright (c) 2004 Hirokazu Takata
7	*/
8
9	#include <linux/param.h>
10	#include <linux/module.h>
11	#ifdef CONFIG_SMP
12	#include <linux/sched.h>
13	#include <asm/current.h>
14	#include <asm/smp.h>
15	#endif /* CONFIG_SMP */
16	#include <asm/processor.h>
17
18	void __delay(unsigned long loops)
19	{
20	#ifdef CONFIG_ISA_DUAL_ISSUE
21	__asm__ __volatile__ (
22	"beqz %0, 2f \n\t"
23	"addi %0, #-1 \n\t"
24
25	" .fillinsn \n\t"
26	"1: \n\t"
27	"cmpz %0 \|\| addi %0, #-1 \n\t"
28	"bc 2f \|\| cmpz %0 \n\t"
29	"bc 2f \|\| addi %0, #-1 \n\t"
30	"cmpz %0 \|\| addi %0, #-1 \n\t"
31	"bc 2f \|\| cmpz %0 \n\t"
32	"bnc 1b \|\| addi %0, #-1 \n\t"
33	" .fillinsn \n\t"
34	"2: \n\t"
35	: "+r" (loops)
36	: "r" (0)
37	: "cbit"
38	);
39	#else
40	__asm__ __volatile__ (
41	"beqz %0, 2f \n\t"
42	" .fillinsn \n\t"
43	"1: \n\t"
44	"addi %0, #-1 \n\t"
45	"blez %0, 2f \n\t"
46	"addi %0, #-1 \n\t"
47	"blez %0, 2f \n\t"
48	"addi %0, #-1 \n\t"
49	"blez %0, 2f \n\t"
50	"addi %0, #-1 \n\t"
51	"bgtz %0, 1b \n\t"
52	" .fillinsn \n\t"
53	"2: \n\t"
54	: "+r" (loops)
55	: "r" (0)
56	);
57	#endif
58	}
59
60	void __const_udelay(unsigned long xloops)
61	{
62	#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2)
63	/*
64	* loops [1] = (xloops >> 32) [sec] * loops_per_jiffy [1/jiffy]
65	* * HZ [jiffy/sec]
66	* = (xloops >> 32) [sec] * (loops_per_jiffy * HZ) [1/sec]
67	* = (((xloops * loops_per_jiffy) >> 32) * HZ) [1]
68	*
69	* NOTE:
70	* - '[]' depicts variable's dimension in the above equation.
71	* - "rac" instruction rounds the accumulator in word size.
72	*/
73	__asm__ __volatile__ (
74	"srli %0, #1 \n\t"
75	"mulwhi %0, %1 ; a0 \n\t"
76	"mulwu1 %0, %1 ; a1 \n\t"
77	"sadd ; a0 += (a1 >> 16) \n\t"
78	"rac a0, a0, #1 \n\t"
79	"mvfacmi %0, a0 \n\t"
80	: "+r" (xloops)
81	: "r" (current_cpu_data.loops_per_jiffy)
82	: "a0", "a1"
83	);
84	#elif defined(CONFIG_ISA_M32R2) \|\| defined(CONFIG_ISA_M32R)
85	/*
86	* u64 ull;
87	* ull = (u64)xloops * (u64)current_cpu_data.loops_per_jiffy;
88	* xloops = (ull >> 32);
89	*/
90	__asm__ __volatile__ (
91	"and3 r4, %0, #0xffff \n\t"
92	"and3 r5, %1, #0xffff \n\t"
93	"mul r4, r5 \n\t"
94	"srl3 r6, %0, #16 \n\t"
95	"srli r4, #16 \n\t"
96	"mul r5, r6 \n\t"
97	"add r4, r5 \n\t"
98	"and3 r5, %0, #0xffff \n\t"
99	"srl3 r6, %1, #16 \n\t"
100	"mul r5, r6 \n\t"
101	"add r4, r5 \n\t"
102	"srl3 r5, %0, #16 \n\t"
103	"srli r4, #16 \n\t"
104	"mul r5, r6 \n\t"
105	"add r4, r5 \n\t"
106	"mv %0, r4 \n\t"
107	: "+r" (xloops)
108	: "r" (current_cpu_data.loops_per_jiffy)
109	: "r4", "r5", "r6"
110	);
111	#else
112	#error unknown isa configuration
113	#endif
114	__delay(xloops * HZ);
115	}
116
117	void __udelay(unsigned long usecs)
118	{
119	__const_udelay(usecs * 0x000010c7); /* 2*32 / 1000000 (rounded up) /
120	}
121
122	void __ndelay(unsigned long nsecs)
123	{
124	__const_udelay(nsecs * 0x00005); /* 2*32 / 1000000000 (rounded up) /
125	}
126
127	EXPORT_SYMBOL(__delay);
128	EXPORT_SYMBOL(__const_udelay);
129	EXPORT_SYMBOL(__udelay);
130	EXPORT_SYMBOL(__ndelay);