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cxl: Split afu_register_irqs() function

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Split the afu_register_irqs() function so that different parts can
be useful elsewhere.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Neuling 2015-05-27 16:07:12 +10:00 committed by Michael Ellerman
parent a6b07d8257
commit c358d84b4e
2 changed files with 26 additions and 8 deletions
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1
drivers/misc/cxl/cxl.h
View File

@ -672,5 +672,6 @@ int cxl_psl_purge(struct cxl_afu *afu);
void cxl_stop_trace(struct cxl *cxl);
extern struct pci_driver cxl_pci_driver;
int afu_allocate_irqs(struct cxl_context *ctx, u32 count);
#endif

33
drivers/misc/cxl/irq.c
View File

@ -416,9 +416,8 @@ void afu_irq_name_free(struct cxl_context *ctx)
}
}
int afu_register_irqs(struct cxl_context *ctx, u32 count)
int afu_allocate_irqs(struct cxl_context *ctx, u32 count)
{
irq_hw_number_t hwirq;
int rc, r, i, j = 1;
struct cxl_irq_name *irq_name;
@ -458,6 +457,18 @@ int afu_register_irqs(struct cxl_context *ctx, u32 count)
j++;
}
}
return 0;
out:
afu_irq_name_free(ctx);
return -ENOMEM;
}
void afu_register_hwirqs(struct cxl_context *ctx)
{
irq_hw_number_t hwirq;
struct cxl_irq_name *irq_name;
int r,i;
/* We've allocated all memory now, so let's do the irq allocations */
irq_name = list_first_entry(&ctx->irq_names, struct cxl_irq_name, list);
@ -469,14 +480,20 @@ int afu_register_irqs(struct cxl_context *ctx, u32 count)
irq_name = list_next_entry(irq_name, list);
}
}
return 0;
out:
afu_irq_name_free(ctx);
return -ENOMEM;
}
int afu_register_irqs(struct cxl_context *ctx, u32 count)
{
int rc;
rc = afu_allocate_irqs(ctx, count);
if (rc)
return rc;
afu_register_hwirqs(ctx);
return 0;
}
void afu_release_irqs(struct cxl_context *ctx, void *cookie)
{
irq_hw_number_t hwirq;