AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

powerpc/ipic: Remove unused ipic_set_priority()

Browse Source 
ipic_set_priority() has been unused since 2006 when the last usage was
removed in commit b9f0f1bb2b ("[POWERPC] Adapt ipic driver to new
host_ops interface, add set_irq_type to set IRQ sense").

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman 2018-12-04 21:09:14 +11:00
parent 4d6a198273
commit c7e900c05b
2 changed files with 0 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/powerpc/include/asm/ipic.h
View File

@ -69,7 +69,6 @@ enum ipic_mcp_irq {
IPIC_MCP_MU = 7,
};
extern int ipic_set_priority(unsigned int irq, unsigned int priority);
extern void ipic_set_highest_priority(unsigned int irq);
extern void ipic_set_default_priority(void);
extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq);

28
arch/powerpc/sysdev/ipic.c
View File

@ -771,34 +771,6 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
return ipic;
}
int ipic_set_priority(unsigned int virq, unsigned int priority)
{
struct ipic *ipic = ipic_from_irq(virq);
unsigned int src = virq_to_hw(virq);
u32 temp;
if (priority > 7)
return -EINVAL;
if (src > 127)
return -EINVAL;
if (ipic_info[src].prio == 0)
return -EINVAL;
temp = ipic_read(ipic->regs, ipic_info[src].prio);
if (priority < 4) {
temp &= ~(0x7 << (20 + (3 - priority) * 3));
temp |= ipic_info[src].prio_mask << (20 + (3 - priority) * 3);
} else {
temp &= ~(0x7 << (4 + (7 - priority) * 3));
temp |= ipic_info[src].prio_mask << (4 + (7 - priority) * 3);
}
ipic_write(ipic->regs, ipic_info[src].prio, temp);
return 0;
}
void ipic_set_highest_priority(unsigned int virq)
{
struct ipic *ipic = ipic_from_irq(virq);