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Diffstat (limited to 'arch/sparc64/kernel/prom.c')
-rw-r--r--arch/sparc64/kernel/prom.c195
1 files changed, 67 insertions, 128 deletions
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 3c048ac4e63..dbba82f9b14 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -38,7 +38,7 @@ struct device_node *of_find_node_by_phandle(phandle handle)
{
struct device_node *np;
- for (np = allnodes; np != 0; np = np->allnext)
+ for (np = allnodes; np; np = np->allnext)
if (np->node == handle)
break;
@@ -59,6 +59,9 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
}
EXPORT_SYMBOL(of_getintprop_default);
+DEFINE_MUTEX(of_set_property_mutex);
+EXPORT_SYMBOL(of_set_property_mutex);
+
int of_set_property(struct device_node *dp, const char *name, void *val, int len)
{
struct property **prevp;
@@ -82,7 +85,10 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
void *old_val = prop->value;
int ret;
+ mutex_lock(&of_set_property_mutex);
ret = prom_setprop(dp->node, name, val, len);
+ mutex_unlock(&of_set_property_mutex);
+
err = -EINVAL;
if (ret >= 0) {
prop->value = new_val;
@@ -156,55 +162,11 @@ static unsigned long psycho_pcislot_imap_offset(unsigned long ino)
return PSYCHO_IMAP_B_SLOT0 + (slot * 8);
}
-#define PSYCHO_IMAP_SCSI 0x1000UL
-#define PSYCHO_IMAP_ETH 0x1008UL
-#define PSYCHO_IMAP_BPP 0x1010UL
-#define PSYCHO_IMAP_AU_REC 0x1018UL
-#define PSYCHO_IMAP_AU_PLAY 0x1020UL
-#define PSYCHO_IMAP_PFAIL 0x1028UL
-#define PSYCHO_IMAP_KMS 0x1030UL
-#define PSYCHO_IMAP_FLPY 0x1038UL
-#define PSYCHO_IMAP_SHW 0x1040UL
-#define PSYCHO_IMAP_KBD 0x1048UL
-#define PSYCHO_IMAP_MS 0x1050UL
-#define PSYCHO_IMAP_SER 0x1058UL
-#define PSYCHO_IMAP_TIM0 0x1060UL
-#define PSYCHO_IMAP_TIM1 0x1068UL
-#define PSYCHO_IMAP_UE 0x1070UL
-#define PSYCHO_IMAP_CE 0x1078UL
-#define PSYCHO_IMAP_A_ERR 0x1080UL
-#define PSYCHO_IMAP_B_ERR 0x1088UL
-#define PSYCHO_IMAP_PMGMT 0x1090UL
-#define PSYCHO_IMAP_GFX 0x1098UL
-#define PSYCHO_IMAP_EUPA 0x10a0UL
-
-static unsigned long __psycho_onboard_imap_off[] = {
-/*0x20*/ PSYCHO_IMAP_SCSI,
-/*0x21*/ PSYCHO_IMAP_ETH,
-/*0x22*/ PSYCHO_IMAP_BPP,
-/*0x23*/ PSYCHO_IMAP_AU_REC,
-/*0x24*/ PSYCHO_IMAP_AU_PLAY,
-/*0x25*/ PSYCHO_IMAP_PFAIL,
-/*0x26*/ PSYCHO_IMAP_KMS,
-/*0x27*/ PSYCHO_IMAP_FLPY,
-/*0x28*/ PSYCHO_IMAP_SHW,
-/*0x29*/ PSYCHO_IMAP_KBD,
-/*0x2a*/ PSYCHO_IMAP_MS,
-/*0x2b*/ PSYCHO_IMAP_SER,
-/*0x2c*/ PSYCHO_IMAP_TIM0,
-/*0x2d*/ PSYCHO_IMAP_TIM1,
-/*0x2e*/ PSYCHO_IMAP_UE,
-/*0x2f*/ PSYCHO_IMAP_CE,
-/*0x30*/ PSYCHO_IMAP_A_ERR,
-/*0x31*/ PSYCHO_IMAP_B_ERR,
-/*0x32*/ PSYCHO_IMAP_PMGMT,
-/*0x33*/ PSYCHO_IMAP_GFX,
-/*0x34*/ PSYCHO_IMAP_EUPA,
-};
+#define PSYCHO_OBIO_IMAP_BASE 0x1000UL
+
#define PSYCHO_ONBOARD_IRQ_BASE 0x20
-#define PSYCHO_ONBOARD_IRQ_LAST 0x34
#define psycho_onboard_imap_offset(__ino) \
- __psycho_onboard_imap_off[(__ino) - PSYCHO_ONBOARD_IRQ_BASE]
+ (PSYCHO_OBIO_IMAP_BASE + (((__ino) & 0x1f) << 3))
#define PSYCHO_ICLR_A_SLOT0 0x1400UL
#define PSYCHO_ICLR_SCSI 0x1800UL
@@ -228,10 +190,6 @@ static unsigned int psycho_irq_build(struct device_node *dp,
imap_off = psycho_pcislot_imap_offset(ino);
} else {
/* Onboard device */
- if (ino > PSYCHO_ONBOARD_IRQ_LAST) {
- prom_printf("psycho_irq_build: Wacky INO [%x]\n", ino);
- prom_halt();
- }
imap_off = psycho_onboard_imap_offset(ino);
}
@@ -318,23 +276,6 @@ static void sabre_wsync_handler(unsigned int ino, void *_arg1, void *_arg2)
#define SABRE_IMAP_A_SLOT0 0x0c00UL
#define SABRE_IMAP_B_SLOT0 0x0c20UL
-#define SABRE_IMAP_SCSI 0x1000UL
-#define SABRE_IMAP_ETH 0x1008UL
-#define SABRE_IMAP_BPP 0x1010UL
-#define SABRE_IMAP_AU_REC 0x1018UL
-#define SABRE_IMAP_AU_PLAY 0x1020UL
-#define SABRE_IMAP_PFAIL 0x1028UL
-#define SABRE_IMAP_KMS 0x1030UL
-#define SABRE_IMAP_FLPY 0x1038UL
-#define SABRE_IMAP_SHW 0x1040UL
-#define SABRE_IMAP_KBD 0x1048UL
-#define SABRE_IMAP_MS 0x1050UL
-#define SABRE_IMAP_SER 0x1058UL
-#define SABRE_IMAP_UE 0x1070UL
-#define SABRE_IMAP_CE 0x1078UL
-#define SABRE_IMAP_PCIERR 0x1080UL
-#define SABRE_IMAP_GFX 0x1098UL
-#define SABRE_IMAP_EUPA 0x10a0UL
#define SABRE_ICLR_A_SLOT0 0x1400UL
#define SABRE_ICLR_B_SLOT0 0x1480UL
#define SABRE_ICLR_SCSI 0x1800UL
@@ -364,33 +305,10 @@ static unsigned long sabre_pcislot_imap_offset(unsigned long ino)
return SABRE_IMAP_B_SLOT0 + (slot * 8);
}
-static unsigned long __sabre_onboard_imap_off[] = {
-/*0x20*/ SABRE_IMAP_SCSI,
-/*0x21*/ SABRE_IMAP_ETH,
-/*0x22*/ SABRE_IMAP_BPP,
-/*0x23*/ SABRE_IMAP_AU_REC,
-/*0x24*/ SABRE_IMAP_AU_PLAY,
-/*0x25*/ SABRE_IMAP_PFAIL,
-/*0x26*/ SABRE_IMAP_KMS,
-/*0x27*/ SABRE_IMAP_FLPY,
-/*0x28*/ SABRE_IMAP_SHW,
-/*0x29*/ SABRE_IMAP_KBD,
-/*0x2a*/ SABRE_IMAP_MS,
-/*0x2b*/ SABRE_IMAP_SER,
-/*0x2c*/ 0 /* reserved */,
-/*0x2d*/ 0 /* reserved */,
-/*0x2e*/ SABRE_IMAP_UE,
-/*0x2f*/ SABRE_IMAP_CE,
-/*0x30*/ SABRE_IMAP_PCIERR,
-/*0x31*/ 0 /* reserved */,
-/*0x32*/ 0 /* reserved */,
-/*0x33*/ SABRE_IMAP_GFX,
-/*0x34*/ SABRE_IMAP_EUPA,
-};
-#define SABRE_ONBOARD_IRQ_BASE 0x20
-#define SABRE_ONBOARD_IRQ_LAST 0x30
+#define SABRE_OBIO_IMAP_BASE 0x1000UL
+#define SABRE_ONBOARD_IRQ_BASE 0x20
#define sabre_onboard_imap_offset(__ino) \
- __sabre_onboard_imap_off[(__ino) - SABRE_ONBOARD_IRQ_BASE]
+ (SABRE_OBIO_IMAP_BASE + (((__ino) & 0x1f) << 3))
#define sabre_iclr_offset(ino) \
((ino & 0x20) ? (SABRE_ICLR_SCSI + (((ino) & 0x1f) << 3)) : \
@@ -453,10 +371,6 @@ static unsigned int sabre_irq_build(struct device_node *dp,
imap_off = sabre_pcislot_imap_offset(ino);
} else {
/* onboard device */
- if (ino > SABRE_ONBOARD_IRQ_LAST) {
- prom_printf("sabre_irq_build: Wacky INO [%x]\n", ino);
- prom_halt();
- }
imap_off = sabre_onboard_imap_offset(ino);
}
@@ -1037,22 +951,30 @@ static void __init irq_trans_init(struct device_node *dp)
for (i = 0; i < ARRAY_SIZE(pci_irq_trans_table); i++) {
struct irq_trans *t = &pci_irq_trans_table[i];
- if (!strcmp(model, t->name))
- return t->init(dp);
+ if (!strcmp(model, t->name)) {
+ t->init(dp);
+ return;
+ }
}
}
#endif
#ifdef CONFIG_SBUS
if (!strcmp(dp->name, "sbus") ||
- !strcmp(dp->name, "sbi"))
- return sbus_irq_trans_init(dp);
+ !strcmp(dp->name, "sbi")) {
+ sbus_irq_trans_init(dp);
+ return;
+ }
#endif
if (!strcmp(dp->name, "fhc") &&
- !strcmp(dp->parent->name, "central"))
- return central_irq_trans_init(dp);
+ !strcmp(dp->parent->name, "central")) {
+ central_irq_trans_init(dp);
+ return;
+ }
if (!strcmp(dp->name, "virtual-devices") ||
- !strcmp(dp->name, "niu"))
- return sun4v_vdev_irq_trans_init(dp);
+ !strcmp(dp->name, "niu")) {
+ sun4v_vdev_irq_trans_init(dp);
+ return;
+ }
}
static int is_root_node(const struct device_node *dp)
@@ -1323,32 +1245,49 @@ static void __init __build_path_component(struct device_node *dp, char *tmp_buf)
if (parent != NULL) {
if (!strcmp(parent->type, "pci") ||
- !strcmp(parent->type, "pciex"))
- return pci_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "sbus"))
- return sbus_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "upa"))
- return upa_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "ebus"))
- return ebus_path_component(dp, tmp_buf);
+ !strcmp(parent->type, "pciex")) {
+ pci_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "sbus")) {
+ sbus_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "upa")) {
+ upa_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "ebus")) {
+ ebus_path_component(dp, tmp_buf);
+ return;
+ }
if (!strcmp(parent->name, "usb") ||
- !strcmp(parent->name, "hub"))
- return usb_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "i2c"))
- return i2c_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "firewire"))
- return ieee1394_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "virtual-devices"))
- return vdev_path_component(dp, tmp_buf);
-
+ !strcmp(parent->name, "hub")) {
+ usb_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "i2c")) {
+ i2c_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "firewire")) {
+ ieee1394_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "virtual-devices")) {
+ vdev_path_component(dp, tmp_buf);
+ return;
+ }
/* "isa" is handled with platform naming */
}
/* Use platform naming convention. */
- if (tlb_type == hypervisor)
- return sun4v_path_component(dp, tmp_buf);
- else
- return sun4u_path_component(dp, tmp_buf);
+ if (tlb_type == hypervisor) {
+ sun4v_path_component(dp, tmp_buf);
+ return;
+ } else {
+ sun4u_path_component(dp, tmp_buf);
+ }
}
static char * __init build_path_component(struct device_node *dp)
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-17 22:29:58 +0000