genirq/affinity: Code consolidation

All information and calculations in the interrupt affinity spreading code
is strictly unsigned int. Though the code uses int all over the place.

Convert it over to unsigned int.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Bjorn Helgaas <helgaas@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: linux-nvme@lists.infradead.org
Cc: linux-pci@vger.kernel.org
Cc: Keith Busch <keith.busch@intel.com>
Cc: Sumit Saxena <sumit.saxena@broadcom.com>
Cc: Kashyap Desai <kashyap.desai@broadcom.com>
Cc: Shivasharan Srikanteshwara <shivasharan.srikanteshwara@broadcom.com>
Link: https://lkml.kernel.org/r/20190216172228.336424556@linutronix.de

1 files changed, 11 insertions, 9 deletions

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 4a728dba02e2..35e7389c2011 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -251,10 +251,10 @@ struct irq_affinity_notify {
  * @sets:               Number of affinitized sets
  */
 struct irq_affinity {
-        int     pre_vectors;
-        int     post_vectors;
-        int     nr_sets;
-        int     *sets;
+        unsigned int    pre_vectors;
+        unsigned int    post_vectors;
+        unsigned int    nr_sets;
+        unsigned int    *sets;
 };
 
 /**
@@ -314,9 +314,10 @@ extern int
 irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify);
 
 struct irq_affinity_desc *
-irq_create_affinity_masks(int nvec, const struct irq_affinity *affd);
+irq_create_affinity_masks(unsigned int nvec, const struct irq_affinity *affd);
 
-int irq_calc_affinity_vectors(int minvec, int maxvec, const struct irq_affinity *affd);
+unsigned int irq_calc_affinity_vectors(unsigned int minvec, unsigned int maxvec,
+                                       const struct irq_affinity *affd);
 
 #else /* CONFIG_SMP */
 
@@ -350,13 +351,14 @@ irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify)
 }
 
 static inline struct irq_affinity_desc *
-irq_create_affinity_masks(int nvec, const struct irq_affinity *affd)
+irq_create_affinity_masks(unsigned int nvec, const struct irq_affinity *affd)
 {
         return NULL;
 }
 
-static inline int
-irq_calc_affinity_vectors(int minvec, int maxvec, const struct irq_affinity *affd)
+static inline unsigned int
+irq_calc_affinity_vectors(unsigned int minvec, unsigned int maxvec,
+                          const struct irq_affinity *affd)
 {
         return maxvec;
 }