From c358d84b4e57b060e0287d0c614f8f076d725612 Mon Sep 17 00:00:00 2001 From: Michael Neuling Date: Wed, 27 May 2015 16:07:12 +1000 Subject: [PATCH] cxl: Split afu_register_irqs() function Split the afu_register_irqs() function so that different parts can be useful elsewhere. Signed-off-by: Michael Neuling Acked-by: Ian Munsie Signed-off-by: Michael Ellerman --- drivers/misc/cxl/cxl.h | 1 + drivers/misc/cxl/irq.c | 33 +++++++++++++++++++++++++-------- 2 files changed, 26 insertions(+), 8 deletions(-) diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index eccddfe5d5a3..778161afd0a3 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -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 diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c index c740c7bc2bd2..212790b4ee57 100644 --- a/drivers/misc/cxl/irq.c +++ b/drivers/misc/cxl/irq.c @@ -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;