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author | H Hartley Sweeten | 2016-05-02 19:11:38 +0200 |
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committer | Greg Kroah-Hartman | 2016-05-03 23:11:15 +0200 |
commit | b0af848ca3d4f1f234828ea92feb08667ff8c81e (patch) | |
tree | fd29d4bb4beb225d01ce553910803f4291d2d091 /drivers/staging/comedi | |
parent | staging: comedi: mite: rename mite_ring member 'descriptors_dma_addr' (diff) | |
download | kernel-qcow2-linux-b0af848ca3d4f1f234828ea92feb08667ff8c81e.tar.gz kernel-qcow2-linux-b0af848ca3d4f1f234828ea92feb08667ff8c81e.tar.xz kernel-qcow2-linux-b0af848ca3d4f1f234828ea92feb08667ff8c81e.zip |
staging: comedi: mite: rename mite_ring member 'descriptors'
Rename this member of struct mite_ring to 'descs' to help shorten the
long lines.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi')
-rw-r--r-- | drivers/staging/comedi/drivers/mite.c | 28 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/mite.h | 2 |
2 files changed, 15 insertions, 15 deletions
diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c index cf1157e9837b..c21d9fa0de27 100644 --- a/drivers/staging/comedi/drivers/mite.c +++ b/drivers/staging/comedi/drivers/mite.c @@ -368,7 +368,7 @@ struct mite_ring *mite_alloc_ring(struct mite *mite) return NULL; } ring->n_links = 0; - ring->descriptors = NULL; + ring->descs = NULL; ring->dma_addr = 0; return ring; }; @@ -377,11 +377,11 @@ EXPORT_SYMBOL_GPL(mite_alloc_ring); void mite_free_ring(struct mite_ring *ring) { if (ring) { - if (ring->descriptors) { + if (ring->descs) { dma_free_coherent(ring->hw_dev, ring->n_links * sizeof(struct mite_dma_desc), - ring->descriptors, + ring->descs, ring->dma_addr); } put_device(ring->hw_dev); @@ -473,14 +473,14 @@ int mite_buf_change(struct mite_ring *ring, struct comedi_async *async = s->async; unsigned int n_links; - if (ring->descriptors) { + if (ring->descs) { dma_free_coherent(ring->hw_dev, ring->n_links * sizeof(struct mite_dma_desc), - ring->descriptors, + ring->descs, ring->dma_addr); } - ring->descriptors = NULL; + ring->descs = NULL; ring->dma_addr = 0; ring->n_links = 0; @@ -489,11 +489,11 @@ int mite_buf_change(struct mite_ring *ring, n_links = async->prealloc_bufsz >> PAGE_SHIFT; - ring->descriptors = + ring->descs = dma_alloc_coherent(ring->hw_dev, n_links * sizeof(struct mite_dma_desc), &ring->dma_addr, GFP_KERNEL); - if (!ring->descriptors) { + if (!ring->descs) { dev_err(s->device->class_dev, "mite: ring buffer allocation failed\n"); return -ENOMEM; @@ -531,10 +531,10 @@ int mite_init_ring_descriptors(struct mite_ring *ring, /* We set the descriptors for all full links. */ for (i = 0; i < n_full_links; ++i) { - ring->descriptors[i].count = cpu_to_le32(PAGE_SIZE); - ring->descriptors[i].addr = + ring->descs[i].count = cpu_to_le32(PAGE_SIZE); + ring->descs[i].addr = cpu_to_le32(async->buf_map->page_list[i].dma_addr); - ring->descriptors[i].next = + ring->descs[i].next = cpu_to_le32(ring->dma_addr + (i + 1) * sizeof(struct mite_dma_desc)); } @@ -542,15 +542,15 @@ int mite_init_ring_descriptors(struct mite_ring *ring, /* the last link is either a remainder or was a full link. */ if (remainder > 0) { /* set the lesser count for the remainder link */ - ring->descriptors[i].count = cpu_to_le32(remainder); - ring->descriptors[i].addr = + ring->descs[i].count = cpu_to_le32(remainder); + ring->descs[i].addr = cpu_to_le32(async->buf_map->page_list[i].dma_addr); /* increment i so that assignment below refs last link */ ++i; } /* Assign the last link->next to point back to the head of the list. */ - ring->descriptors[i - 1].next = cpu_to_le32(ring->dma_addr); + ring->descs[i - 1].next = cpu_to_le32(ring->dma_addr); /* * barrier is meant to insure that all the writes to the dma descriptors diff --git a/drivers/staging/comedi/drivers/mite.h b/drivers/staging/comedi/drivers/mite.h index cd0883c6b62e..991e6b63c846 100644 --- a/drivers/staging/comedi/drivers/mite.h +++ b/drivers/staging/comedi/drivers/mite.h @@ -38,7 +38,7 @@ struct mite_dma_desc { struct mite_ring { struct device *hw_dev; unsigned int n_links; - struct mite_dma_desc *descriptors; + struct mite_dma_desc *descs; dma_addr_t dma_addr; }; |