[PATCH 42/62] remoteproc: convert to idr_alloc()

[Tejun Heo]

Convert to the much saner new idr interface.

Only compile tested.

Signed-off-by: Tejun Heo <t...@kernel.org>
Cc: Ohad Ben-Cohen <o...@wizery.com>
---
This patch depends on an earlier idr changes and I think it would be
best to route these together through -mm.  Please holler if there's
any objection.  Thanks.

 drivers/remoteproc/remoteproc_core.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c 
b/drivers/remoteproc/remoteproc_core.c
index 634d367..29387df 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -199,11 +199,6 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)
        /* actual size of vring (in bytes) */
        size = PAGE_ALIGN(vring_size(rvring->len, rvring->align));
 
-       if (!idr_pre_get(&rproc->notifyids, GFP_KERNEL)) {
-               dev_err(dev, "idr_pre_get failed\n");
-               return -ENOMEM;
-       }
-
        /*
         * Allocate non-cacheable memory for the vring. In the future
         * this call will also configure the IOMMU for us
@@ -221,12 +216,13 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)
         * TODO: let the rproc know the notifyid of this vring
         * TODO: support predefined notifyids (via resource table)
         */
-       ret = idr_get_new(&rproc->notifyids, rvring, &notifyid);
+       ret = idr_alloc(&rproc->notifyids, rvring, 0, 0, GFP_KERNEL);
        if (ret) {
-               dev_err(dev, "idr_get_new failed: %d\n", ret);
+               dev_err(dev, "idr_alloc failed: %d\n", ret);
                dma_free_coherent(dev->parent, size, va, dma);
                return ret;
        }
+       notifyid = ret;
 
        /* Store largest notifyid */
        rproc->max_notifyid = max(rproc->max_notifyid, notifyid);
-- 
1.8.1

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