[MIPS] Sibyte: Fix ZBbus profiler

 o Fix build error.
 o Handle error returns.
 o Deal with signals received while sleeping.
 o Don't allow to be selected when we're not building the directory with
   the driver anyway.
 o Coding style cleanups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 110 deletions

diff --git a/include/asm-mips/sibyte/trace_prof.h b/include/asm-mips/sibyte/trace_prof.h
deleted file mode 100644
index 557792075e9a..000000000000
--- a/include/asm-mips/sibyte/trace_prof.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 2001 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- */
-
-#ifndef __ASM_SIBYTE_TRACE_PROF_H
-#define __ASM_SIBYTE_TRACE_PROF_H
-
-#undef DBG
-#if SBPROF_TB_DEBUG
-#define DBG(a) a
-#else
-#define DBG(a)
-#endif
-
-#define SBPROF_TB_MAJOR 240
-#define DEVNAME "bcm1250_tbprof"
-
-typedef u_int64_t tb_sample_t[6*256];
-
-struct sbprof_tb {
-        int          open;
-        tb_sample_t *sbprof_tbbuf;
-        int          next_tb_sample;
-
-        volatile int tb_enable;
-        volatile int tb_armed;
-
-        wait_queue_head_t tb_sync;
-        wait_queue_head_t tb_read;
-};
-
-#define MAX_SAMPLE_BYTES (24*1024*1024)
-#define MAX_TBSAMPLE_BYTES (12*1024*1024)
-
-#define MAX_SAMPLES (MAX_SAMPLE_BYTES/sizeof(u_int32_t))
-#define TB_SAMPLE_SIZE (sizeof(tb_sample_t))
-#define MAX_TB_SAMPLES (MAX_TBSAMPLE_BYTES/TB_SAMPLE_SIZE)
-
-/* IOCTLs */
-#define SBPROF_ZBSTART          _IOW('s', 0, int)
-#define SBPROF_ZBSTOP           _IOW('s', 1, int)
-#define SBPROF_ZBWAITFULL       _IOW('s', 2, int)
-
-/***************************************************************************
- * Routines for gathering ZBbus profiles using trace buffer
- ***************************************************************************/
-
-/* Requires: Already called zclk_timer_init with a value that won't
-             saturate 40 bits.  No subsequent use of SCD performance counters
-             or trace buffer.
-   Effect:   Starts gathering random ZBbus profiles using trace buffer. */
-extern int sbprof_zbprof_start(struct file *filp);
-
-/* Effect: Stops collection of ZBbus profiles */
-extern int sbprof_zbprof_stop(void);
-
-
-/***************************************************************************
- * Routines for using 40-bit SCD cycle counter
- *
- * Client responsible for either handling interrupts or making sure
- * the cycles counter never saturates, e.g., by doing
- * zclk_timer_init(0) at least every 2^40 - 1 ZCLKs.
- ***************************************************************************/
-
-/* Configures SCD counter 0 to count ZCLKs starting from val;
-   Configures SCD counters1,2,3 to count nothing.
-   Must not be called while gathering ZBbus profiles.
-
-unsigned long long val; */
-#define zclk_timer_init(val) \
-  __asm__ __volatile__ (".set push;" \
-                        ".set mips64;" \
-                        "la   $8, 0xb00204c0;" /* SCD perf_cnt_cfg */ \
-                        "sd   %0, 0x10($8);"   /* write val to counter0 */ \
-                        "sd   %1, 0($8);"      /* config counter0 for zclks*/ \
-                        ".set pop" \
-                        : /* no outputs */ \
-                                                     /* enable, counter0 */ \
-                        : /* inputs */ "r"(val), "r" ((1ULL << 33) | 1ULL) \
-                        : /* modifies */ "$8" )
-
-
-/* Reads SCD counter 0 and puts result in value
-   unsigned long long val; */
-#define zclk_get(val) \
-  __asm__ __volatile__ (".set push;" \
-                        ".set mips64;" \
-                        "la   $8, 0xb00204c0;" /* SCD perf_cnt_cfg */ \
-                        "ld   %0, 0x10($8);"   /* write val to counter0 */ \
-                        ".set pop" \
-                        : /* outputs */ "=r"(val) \
-                        : /* inputs */ \
-                        : /* modifies */ "$8" )
-
-#endif /* __ASM_SIBYTE_TRACE_PROF_H */