xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[SPARC64]: Kill ebus/isa range and interrupt mapping struct members.

Browse Source 
Unused outside of initial bus probe scan.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2006-06-22 19:31:11 -07:00
parent 690c8fd31f
commit 9c10a58ed6
4 changed files with 41 additions and 105 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
arch/sparc64/kernel/ebus.c
View File

@@ -283,60 +283,32 @@ static inline void *ebus_alloc(size_t size)
return mem;
}
static void __init ebus_ranges_init(struct linux_ebus *ebus)
{
struct linux_prom_ebus_ranges *rngs;
int len;
ebus->num_ebus_ranges = 0;
rngs = of_get_property(ebus->prom_node, "ranges", &len);
if (rngs) {
memcpy(ebus->ebus_ranges, rngs, len);
ebus->num_ebus_ranges =
(len / sizeof(struct linux_prom_ebus_ranges));
}
}
static void __init ebus_intmap_init(struct linux_ebus *ebus)
{
struct linux_prom_ebus_intmap *imap;
struct linux_prom_ebus_intmask *imask;
int len;
ebus->num_ebus_intmap = 0;
imap = of_get_property(ebus->prom_node, "interrupt-map", &len);
if (!imap)
return;
memcpy(ebus->ebus_intmap, imap, len);
ebus->num_ebus_intmap = (len / sizeof(struct linux_prom_ebus_intmap));
imask = of_get_property(ebus->prom_node, "interrupt-map-mask", &len);
if (!imask) {
prom_printf("EBUS: can't get interrupt-map-mask\n");
prom_halt();
}
memcpy(&ebus->ebus_intmask, imask, sizeof(ebus->ebus_intmask));
}
int __init ebus_intmap_match(struct linux_ebus *ebus,
struct linux_prom_registers *reg,
int *interrupt)
{
struct linux_prom_ebus_intmap *imap;
struct linux_prom_ebus_intmask *imask;
unsigned int hi, lo, irq;
int i;
int i, len, n_imap;
if (!ebus->num_ebus_intmap)
imap = of_get_property(ebus->prom_node, "interrupt-map", &len);
if (!imap)
return 0;
n_imap = len / sizeof(imap[0]);
imask = of_get_property(ebus->prom_node, "interrupt-map-mask", NULL);
if (!imask)
return 0;
hi = reg->which_io & ebus->ebus_intmask.phys_hi;
lo = reg->phys_addr & ebus->ebus_intmask.phys_lo;
irq = *interrupt & ebus->ebus_intmask.interrupt;
for (i = 0; i < ebus->num_ebus_intmap; i++) {
if ((ebus->ebus_intmap[i].phys_hi == hi) &&
(ebus->ebus_intmap[i].phys_lo == lo) &&
(ebus->ebus_intmap[i].interrupt == irq)) {
*interrupt = ebus->ebus_intmap[i].cinterrupt;
hi = reg->which_io & imask->phys_hi;
lo = reg->phys_addr & imask->phys_lo;
irq = *interrupt & imask->interrupt;
for (i = 0; i < n_imap; i++) {
if ((imap[i].phys_hi == hi) &&
(imap[i].phys_lo == lo) &&
(imap[i].interrupt == irq)) {
*interrupt = imap[i].cinterrupt;
return 0;
}
}
@@ -598,9 +570,6 @@ void __init ebus_init(void)
ebus->self = pdev;
ebus->parent = pbm = cookie->pbm;
ebus_ranges_init(ebus);
ebus_intmap_init(ebus);
child = dp->child;
if (!child)
goto next_ebus;