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Commit 114f2afb authored by Siva Kumar Akkireddi's avatar Siva Kumar Akkireddi Committed by Siddartha Mohanadoss
Browse files

msm: mhi_dev: Set correct transfer length in completion events 



Set the correct transfer length in completion events sent to the
host to avoid errors in host drivers.

Change-Id: I510f6fd2d24e40ac92cf028ecb14684461b20585
Signed-off-by: default avatarSiva Kumar Akkireddi <sivaa@codeaurora.org>
parent 03cafa97

drivers/platform/msm/mhi_dev/mhi.c

+3 −2
Original line number Diff line number Diff line
@@ -1751,7 +1751,7 @@ static void mhi_dev_transfer_completion_cb(void *mreq) 
	ch = client->channel;

	mhi = ch->ring->mhi_dev;

	el = req->el;

	transfer_len = req->len;

	transfer_len = req->transfer_len;

	snd_cmpl = req->snd_cmpl;

	rd_offset = req->rd_offset;

	ch->curr_ereq->context = ch;
@@ -2448,7 +2448,7 @@ int mhi_dev_read_channel(struct mhi_req *mreq) 
			(mreq->len - usr_buf_remaining);

		ch->tre_bytes_left -= bytes_to_read;

		mreq->el = el;

		mreq->actual_len = bytes_read;

		mreq->transfer_len = bytes_to_read;

		mreq->rd_offset = ring->rd_offset;

		mhi_log(MHI_MSG_VERBOSE, "reading %d bytes from chan %d\n",

				bytes_to_read, mreq->chan);
@@ -2612,6 +2612,7 @@ int mhi_dev_write_channel(struct mhi_req *wreq) 
		write_to_loc = el->tre.data_buf_ptr;

		wreq->rd_offset = ring->rd_offset;

		wreq->el = el;

		wreq->transfer_len = bytes_to_write;

		rc = mhi_ctx->device_to_host(write_to_loc,

						(void *) read_from_loc,

						bytes_to_write,

drivers/platform/msm/mhi_dev/mhi_dev_net.c

+2 −2
Original line number Diff line number Diff line
@@ -246,10 +246,10 @@ static void mhi_dev_net_read_completion_cb(void *req) 
	struct sk_buff *skb = mreq->context;

	unsigned long   flags;



	skb->len = mreq->actual_len;

	skb->len = mreq->transfer_len;

	skb->protocol =

		mhi_dev_net_eth_type_trans(skb);

	skb_put(skb, mreq->actual_len);

	skb_put(skb, mreq->transfer_len);

	net_handle->dev->stats.rx_packets++;

	skb->dev = net_handle->dev;

	netif_rx(skb);

drivers/platform/msm/mhi_dev/mhi_uci.c

+2 −2
Original line number Diff line number Diff line
@@ -608,7 +608,7 @@ static int mhi_uci_read_async(struct uci_client *uci_handle, 
			"wk up Read completed on ch %d\n", ureq->chan);



		uci_handle->pkt_loc = (void *)ureq->buf;

		uci_handle->pkt_size = ureq->actual_len;

		uci_handle->pkt_size = ureq->transfer_len;



		uci_log(UCI_DBG_VERBOSE,

			"Got pkt of sz 0x%x at adr %pK, ch %d\n",
@@ -641,7 +641,7 @@ static int mhi_uci_read_sync(struct uci_client *uci_handle, 


	if (*bytes_avail > 0) {

		uci_handle->pkt_loc = (void *)ureq->buf;

		uci_handle->pkt_size = ureq->actual_len;

		uci_handle->pkt_size = ureq->transfer_len;



		uci_log(UCI_DBG_VERBOSE,

			"Got pkt of sz 0x%x at adr %pK, ch %d\n",

include/linux/msm_mhi_dev.h

+1 −1
Original line number Diff line number Diff line
@@ -67,7 +67,7 @@ struct mhi_req { 
	u32                             snd_cmpl;

	void                            *context;

	size_t                          len;

	size_t                          actual_len;

	size_t                          transfer_len;

	uint32_t                        rd_offset;

	struct mhi_dev_client           *client;

	struct list_head                list;