Commit 927987f3 authored by Sunil Goutham's avatar Sunil Goutham Committed by David S. Miller

net: thunderx: Cleanup receive buffer allocation

Get rid of unnecessary double pointer references and type casting
in receive buffer allocation code.
Signed-off-by: default avatarSunil Goutham <sgoutham@cavium.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0dada88b
......@@ -145,7 +145,7 @@ static struct pgcache *nicvf_alloc_page(struct nicvf *nic,
/* Allocate buffer for packet reception */
static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, struct rbdr *rbdr,
gfp_t gfp, u32 buf_len, u64 **rbuf)
gfp_t gfp, u32 buf_len, u64 *rbuf)
{
struct pgcache *pgcache = NULL;
......@@ -172,10 +172,10 @@ static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, struct rbdr *rbdr,
nic->rb_page = pgcache->page;
ret:
/* HW will ensure data coherency, CPU sync not required */
*rbuf = (u64 *)((u64)dma_map_page_attrs(&nic->pdev->dev, nic->rb_page,
*rbuf = (u64)dma_map_page_attrs(&nic->pdev->dev, nic->rb_page,
nic->rb_page_offset, buf_len,
DMA_FROM_DEVICE,
DMA_ATTR_SKIP_CPU_SYNC));
DMA_ATTR_SKIP_CPU_SYNC);
if (dma_mapping_error(&nic->pdev->dev, (dma_addr_t)*rbuf)) {
if (!nic->rb_page_offset)
__free_pages(nic->rb_page, 0);
......@@ -212,7 +212,7 @@ static int nicvf_init_rbdr(struct nicvf *nic, struct rbdr *rbdr,
int ring_len, int buf_size)
{
int idx;
u64 *rbuf;
u64 rbuf;
struct rbdr_entry_t *desc;
int err;
......@@ -257,7 +257,7 @@ static int nicvf_init_rbdr(struct nicvf *nic, struct rbdr *rbdr,
}
desc = GET_RBDR_DESC(rbdr, idx);
desc->buf_addr = (u64)rbuf & ~(NICVF_RCV_BUF_ALIGN_BYTES - 1);
desc->buf_addr = rbuf & ~(NICVF_RCV_BUF_ALIGN_BYTES - 1);
}
nicvf_get_page(nic);
......@@ -330,7 +330,7 @@ static void nicvf_refill_rbdr(struct nicvf *nic, gfp_t gfp)
int refill_rb_cnt;
struct rbdr *rbdr;
struct rbdr_entry_t *desc;
u64 *rbuf;
u64 rbuf;
int new_rb = 0;
refill:
......@@ -364,7 +364,7 @@ static void nicvf_refill_rbdr(struct nicvf *nic, gfp_t gfp)
break;
desc = GET_RBDR_DESC(rbdr, tail);
desc->buf_addr = (u64)rbuf & ~(NICVF_RCV_BUF_ALIGN_BYTES - 1);
desc->buf_addr = rbuf & ~(NICVF_RCV_BUF_ALIGN_BYTES - 1);
refill_rb_cnt--;
new_rb++;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment