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net: ipa: set DMA length in gsi_trans_cmd_add()

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When a command gets added to a transaction for the AP->command
channel we set the DMA address of its scatterlist entry, but not
its DMA length.  Fix this bug.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alex Elder 2020-05-07 14:14:03 -05:00 committed by David S. Miller
parent e8a1b0efd6
commit c781e1d4f3
1 changed files with 3 additions and 2 deletions
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5
drivers/net/ipa/gsi_trans.c
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@ -399,13 +399,14 @@ void gsi_trans_cmd_add(struct gsi_trans *trans, void *buf, u32 size,
/* assert(which < trans->tre_count); */
/* Set the page information for the buffer. We also need to fill in
* the DMA address for the buffer (something dma_map_sg() normally
* does).
* the DMA address and length for the buffer (something dma_map_sg()
* normally does).
*/
sg = &trans->sgl[which];
sg_set_buf(sg, buf, size);
sg_dma_address(sg) = addr;
sg_dma_len(sg) = sg->length;
info = &trans->info[which];
info->opcode = opcode;