diff options
Diffstat (limited to 'arch/parisc/kernel/perf.c')
| -rw-r--r-- | arch/parisc/kernel/perf.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index ac8ee205c35..ba0c053e25a 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -24,7 +24,7 @@ * * This driver programs the PCX-U/PCX-W performance counters * on the PA-RISC 2.0 chips. The driver keeps all images now - * internally to the kernel to hopefully eliminate the possiblity + * internally to the kernel to hopefully eliminate the possibility * of a bad image halting the CPU. Also, there are different * images for the PCX-W and later chips vs the PCX-U chips. * @@ -171,7 +171,7 @@ static const uint64_t perf_bitmasks[] = { /* * Write control bitmasks for Pa-8700 processor given - * somethings have changed slightly. + * some things have changed slightly. */ static const uint64_t perf_bitmasks_piranha[] = { 0x0000000000000000ul, /* first dbl word must be zero */ @@ -479,7 +479,7 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return error; } -static struct file_operations perf_fops = { +static const struct file_operations perf_fops = { .llseek = no_llseek, .read = perf_read, .write = perf_write, @@ -511,10 +511,12 @@ static int __init perf_init(void) } else if (boot_cpu_data.cpu_type == pcxw || boot_cpu_data.cpu_type == pcxw_ || boot_cpu_data.cpu_type == pcxw2 || - boot_cpu_data.cpu_type == mako) { + boot_cpu_data.cpu_type == mako || + boot_cpu_data.cpu_type == mako2) { perf_processor_interface = CUDA_INTF; if (boot_cpu_data.cpu_type == pcxw2 || - boot_cpu_data.cpu_type == mako) + boot_cpu_data.cpu_type == mako || + boot_cpu_data.cpu_type == mako2) bitmask_array = perf_bitmasks_piranha; } else { perf_processor_interface = UNKNOWN_INTF; @@ -535,9 +537,9 @@ static int __init perf_init(void) spin_lock_init(&perf_lock); /* TODO: this only lets us access the first cpu.. what to do for SMP? */ - cpu_device = cpu_data[0].dev; + cpu_device = per_cpu(cpu_data, 0).dev; printk("Performance monitoring counters enabled for %s\n", - cpu_data[0].dev->name); + per_cpu(cpu_data, 0).dev->name); return 0; } @@ -574,27 +576,27 @@ static int perf_stop_counters(uint32_t *raddr) if (!perf_rdr_read_ubuf(16, userbuf)) return -13; - /* Counter0 is bits 1398 thru 1429 */ + /* Counter0 is bits 1398 to 1429 */ tmp64 = (userbuf[21] << 22) & 0x00000000ffc00000; tmp64 |= (userbuf[22] >> 42) & 0x00000000003fffff; /* OR sticky0 (bit 1430) to counter0 bit 32 */ tmp64 |= (userbuf[22] >> 10) & 0x0000000080000000; raddr[0] = (uint32_t)tmp64; - /* Counter1 is bits 1431 thru 1462 */ + /* Counter1 is bits 1431 to 1462 */ tmp64 = (userbuf[22] >> 9) & 0x00000000ffffffff; /* OR sticky1 (bit 1463) to counter1 bit 32 */ tmp64 |= (userbuf[22] << 23) & 0x0000000080000000; raddr[1] = (uint32_t)tmp64; - /* Counter2 is bits 1464 thru 1495 */ + /* Counter2 is bits 1464 to 1495 */ tmp64 = (userbuf[22] << 24) & 0x00000000ff000000; tmp64 |= (userbuf[23] >> 40) & 0x0000000000ffffff; /* OR sticky2 (bit 1496) to counter2 bit 32 */ tmp64 |= (userbuf[23] >> 8) & 0x0000000080000000; raddr[2] = (uint32_t)tmp64; - /* Counter3 is bits 1497 thru 1528 */ + /* Counter3 is bits 1497 to 1528 */ tmp64 = (userbuf[23] >> 7) & 0x00000000ffffffff; /* OR sticky3 (bit 1529) to counter3 bit 32 */ tmp64 |= (userbuf[23] << 25) & 0x0000000080000000; @@ -616,7 +618,7 @@ static int perf_stop_counters(uint32_t *raddr) userbuf[23] = 0; /* - * Write back the zero'ed bytes + the image given + * Write back the zeroed bytes + the image given * the read was destructive. */ perf_rdr_write(16, userbuf); |