aboutsummaryrefslogtreecommitdiff
path: root/arch/parisc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/drivers.c3
-rw-r--r--arch/parisc/kernel/pci.c11
-rw-r--r--arch/parisc/kernel/perf.c35
-rw-r--r--arch/parisc/kernel/perf_images.h4
-rw-r--r--arch/parisc/kernel/traps.c3
5 files changed, 27 insertions, 29 deletions
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 2d804e2d16d1..3d569a485a1a 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -408,11 +408,10 @@ static void setup_bus_id(struct parisc_device *padev)
struct parisc_device * create_tree_node(char id, struct device *parent)
{
- struct parisc_device *dev = kmalloc(sizeof(*dev), GFP_KERNEL);
+ struct parisc_device *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return NULL;
- memset(dev, 0, sizeof(*dev));
dev->hw_path = id;
dev->id.hw_type = HPHW_FAULTY;
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c
index 88cba49c5301..3a7dda860336 100644
--- a/arch/parisc/kernel/pci.c
+++ b/arch/parisc/kernel/pci.c
@@ -47,18 +47,17 @@
* this makes the boot time much longer than necessary.
* 20ms seems to work for all the HP PCI implementations to date.
*
- * XXX: turn into a #defined constant in <asm/pci.h> ?
+ * #define pci_post_reset_delay 50
*/
-int pci_post_reset_delay = 50;
-struct pci_port_ops *pci_port;
-struct pci_bios_ops *pci_bios;
+struct pci_port_ops *pci_port __read_mostly;
+struct pci_bios_ops *pci_bios __read_mostly;
-int pci_hba_count = 0;
+static int pci_hba_count __read_mostly;
/* parisc_pci_hba used by pci_port->in/out() ops to lookup bus data. */
#define PCI_HBA_MAX 32
-struct pci_hba_data *parisc_pci_hba[PCI_HBA_MAX];
+struct pci_hba_data *parisc_pci_hba[PCI_HBA_MAX] __read_mostly;
/********************************************************************
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 11d406cd0b3e..11178ccbb89a 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -68,20 +68,20 @@ struct rdr_tbl_ent {
};
static int perf_processor_interface __read_mostly = UNKNOWN_INTF;
-static int perf_enabled __read_mostly = 0;
+static int perf_enabled __read_mostly;
static spinlock_t perf_lock;
-struct parisc_device *cpu_device __read_mostly = NULL;
+struct parisc_device *cpu_device __read_mostly;
/* RDRs to write for PCX-W */
-static int perf_rdrs_W[] =
+static const int perf_rdrs_W[] =
{ 0, 1, 4, 5, 6, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, -1 };
/* RDRs to write for PCX-U */
-static int perf_rdrs_U[] =
+static const int perf_rdrs_U[] =
{ 0, 1, 4, 5, 6, 7, 16, 17, 18, 20, 21, 22, 23, 24, 25, -1 };
/* RDR register descriptions for PCX-W */
-static struct rdr_tbl_ent perf_rdr_tbl_W[] = {
+static const struct rdr_tbl_ent perf_rdr_tbl_W[] = {
{ 19, 1, 8 }, /* RDR 0 */
{ 16, 1, 16 }, /* RDR 1 */
{ 72, 2, 0 }, /* RDR 2 */
@@ -117,7 +117,7 @@ static struct rdr_tbl_ent perf_rdr_tbl_W[] = {
};
/* RDR register descriptions for PCX-U */
-static struct rdr_tbl_ent perf_rdr_tbl_U[] = {
+static const struct rdr_tbl_ent perf_rdr_tbl_U[] = {
{ 19, 1, 8 }, /* RDR 0 */
{ 32, 1, 16 }, /* RDR 1 */
{ 20, 1, 0 }, /* RDR 2 */
@@ -156,7 +156,7 @@ static struct rdr_tbl_ent perf_rdr_tbl_U[] = {
* A non-zero write_control in the above tables is a byte offset into
* this array.
*/
-static uint64_t perf_bitmasks[] = {
+static const uint64_t perf_bitmasks[] = {
0x0000000000000000ul, /* first dbl word must be zero */
0xfdffe00000000000ul, /* RDR0 bitmask */
0x003f000000000000ul, /* RDR1 bitmask */
@@ -173,7 +173,7 @@ static uint64_t perf_bitmasks[] = {
* Write control bitmasks for Pa-8700 processor given
* somethings have changed slightly.
*/
-static uint64_t perf_bitmasks_piranha[] = {
+static const uint64_t perf_bitmasks_piranha[] = {
0x0000000000000000ul, /* first dbl word must be zero */
0xfdffe00000000000ul, /* RDR0 bitmask */
0x003f000000000000ul, /* RDR1 bitmask */
@@ -186,7 +186,7 @@ static uint64_t perf_bitmasks_piranha[] = {
0xfffc000000000000ul
};
-static uint64_t *bitmask_array; /* array of bitmasks to use */
+static const uint64_t *bitmask_array; /* array of bitmasks to use */
/******************************************************************************
* Function Prototypes
@@ -200,7 +200,7 @@ static ssize_t perf_write(struct file *file, const char __user *buf, size_t coun
static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
static void perf_start_counters(void);
static int perf_stop_counters(uint32_t *raddr);
-static struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num);
+static const struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num);
static int perf_rdr_read_ubuf(uint32_t rdr_num, uint64_t *buffer);
static int perf_rdr_clear(uint32_t rdr_num);
static int perf_write_image(uint64_t *memaddr);
@@ -655,7 +655,7 @@ static int perf_stop_counters(uint32_t *raddr)
* Retrieve a pointer to the description of what this
* RDR contains.
*/
-static struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num)
+static const struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num)
{
if (perf_processor_interface == ONYX_INTF) {
return &perf_rdr_tbl_U[rdr_num];
@@ -673,7 +673,7 @@ static int perf_rdr_read_ubuf(uint32_t rdr_num, uint64_t *buffer)
{
uint64_t data, data_mask = 0;
uint32_t width, xbits, i;
- struct rdr_tbl_ent *tentry;
+ const struct rdr_tbl_ent *tentry;
tentry = perf_rdr_get_entry(rdr_num);
if ((width = tentry->width) == 0)
@@ -721,7 +721,7 @@ static int perf_rdr_read_ubuf(uint32_t rdr_num, uint64_t *buffer)
*/
static int perf_rdr_clear(uint32_t rdr_num)
{
- struct rdr_tbl_ent *tentry;
+ const struct rdr_tbl_ent *tentry;
int32_t i;
tentry = perf_rdr_get_entry(rdr_num);
@@ -753,10 +753,11 @@ static int perf_write_image(uint64_t *memaddr)
uint64_t buffer[MAX_RDR_WORDS];
uint64_t *bptr;
uint32_t dwords;
- uint32_t *intrigue_rdr;
- uint64_t *intrigue_bitmask, tmp64;
+ const uint32_t *intrigue_rdr;
+ const uint64_t *intrigue_bitmask;
+ uint64_t tmp64;
void __iomem *runway;
- struct rdr_tbl_ent *tentry;
+ const struct rdr_tbl_ent *tentry;
int i;
/* Clear out counters */
@@ -830,7 +831,7 @@ static int perf_write_image(uint64_t *memaddr)
*/
static void perf_rdr_write(uint32_t rdr_num, uint64_t *buffer)
{
- struct rdr_tbl_ent *tentry;
+ const struct rdr_tbl_ent *tentry;
int32_t i;
printk("perf_rdr_write\n");
diff --git a/arch/parisc/kernel/perf_images.h b/arch/parisc/kernel/perf_images.h
index d9562fe3f75c..7fef9644df47 100644
--- a/arch/parisc/kernel/perf_images.h
+++ b/arch/parisc/kernel/perf_images.h
@@ -25,7 +25,7 @@
#define PCXU_IMAGE_SIZE 584
-static uint32_t onyx_images[][PCXU_IMAGE_SIZE/sizeof(uint32_t)] = {
+static uint32_t onyx_images[][PCXU_IMAGE_SIZE/sizeof(uint32_t)] __read_mostly = {
/*
* CPI:
*
@@ -2093,7 +2093,7 @@ static uint32_t onyx_images[][PCXU_IMAGE_SIZE/sizeof(uint32_t)] = {
};
#define PCXW_IMAGE_SIZE 576
-static uint32_t cuda_images[][PCXW_IMAGE_SIZE/sizeof(uint32_t)] = {
+static uint32_t cuda_images[][PCXW_IMAGE_SIZE/sizeof(uint32_t)] __read_mostly = {
/*
* CPI: FROM CPI.IDF (Image 0)
*
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 15914f0235a0..ff200608c851 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -193,10 +193,9 @@ void show_stack(struct task_struct *task, unsigned long *s)
HERE:
asm volatile ("copy %%r30, %0" : "=r"(sp));
- r = (struct pt_regs *)kmalloc(sizeof(struct pt_regs), GFP_KERNEL);
+ r = kzalloc(sizeof(struct pt_regs), GFP_KERNEL);
if (!r)
return;
- memset(r, 0, sizeof(struct pt_regs));
r->iaoq[0] = (unsigned long)&&HERE;
r->gr[2] = (unsigned long)__builtin_return_address(0);
r->gr[30] = sp;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 10:03:10 +0000