system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-07-09 04:38:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

powerpc/powernv: Fix endian issues in OPAL ICS backend

Browse Source 
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2013-09-23 12:04:59 +10:00
parent 46d319e5d8
commit bf8e0f891a
1 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/powerpc/sysdev/xics/ics-opal.c
View File

@ -112,6 +112,7 @@ static int ics_opal_set_affinity(struct irq_data *d,
bool force)
{
unsigned int hw_irq = (unsigned int)irqd_to_hwirq(d);
__be16 oserver;
int16_t server;
int8_t priority;
int64_t rc;
@ -120,13 +121,13 @@ static int ics_opal_set_affinity(struct irq_data *d,
if (hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS)
return -1;
rc = opal_get_xive(hw_irq, &server, &priority);
rc = opal_get_xive(hw_irq, &oserver, &priority);
if (rc != OPAL_SUCCESS) {
pr_err("%s: opal_set_xive(irq=%d [hw 0x%x] server=%x)"
" error %lld\n",
__func__, d->irq, hw_irq, server, rc);
pr_err("%s: opal_get_xive(irq=%d [hw 0x%x]) error %lld\n",
__func__, d->irq, hw_irq, rc);
return -1;
}
server = be16_to_cpu(oserver);
wanted_server = xics_get_irq_server(d->irq, cpumask, 1);
if (wanted_server < 0) {
@ -181,7 +182,7 @@ static int ics_opal_map(struct ics *ics, unsigned int virq)
{
unsigned int hw_irq = (unsigned int)virq_to_hw(virq);
int64_t rc;
int16_t server;
__be16 server;
int8_t priority;
if (WARN_ON(hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS))
@ -201,7 +202,7 @@ static int ics_opal_map(struct ics *ics, unsigned int virq)
static void ics_opal_mask_unknown(struct ics *ics, unsigned long vec)
{
int64_t rc;
int16_t server;
__be16 server;
int8_t priority;
/* Check if HAL knows about this interrupt */
@ -215,14 +216,14 @@ static void ics_opal_mask_unknown(struct ics *ics, unsigned long vec)
static long ics_opal_get_server(struct ics *ics, unsigned long vec)
{
int64_t rc;
int16_t server;
__be16 server;
int8_t priority;
/* Check if HAL knows about this interrupt */
rc = opal_get_xive(vec, &server, &priority);
if (rc != OPAL_SUCCESS)
return -1;
return ics_opal_unmangle_server(server);
return ics_opal_unmangle_server(be16_to_cpu(server));
}
int __init ics_opal_init(void)