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UPSTREAM: usb: dwc3: gadget: rely on sg_is_last() and list_is_last()

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sg_is_last() and list_is_last() will encode the
required information for the driver to make
decisions WRT CHN and LST bits.

While at that, also replace '1' with 'true' for
consistency.

Change-Id: I827e39df3058f696d753e03130a951017ed45bf5
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit 6aff483295)
This commit is contained in:
Felipe Balbi
2016-05-13 10:07:47 +03:00
committed by Huang, Tao
parent 5ff1323f84
commit a8d6bbd8c6
1 changed files with 5 additions and 5 deletions
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10
drivers/usb/dwc3/gadget.c
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@@ -940,10 +940,10 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep)
length = sg_dma_len(s);
dma = sg_dma_address(s);
if (i == (request->num_mapped_sgs - 1) ||
sg_is_last(s)) {
if (list_empty(&dep->pending_list))
if (sg_is_last(s)) {
if (list_is_last(&req->list, &dep->pending_list))
last_one = true;
chain = false;
}
@@ -969,11 +969,11 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep)
trbs_left--;
if (!trbs_left)
last_one = 1;
last_one = true;
/* Is this the last request? */
if (list_is_last(&req->list, &dep->pending_list))
last_one = 1;
last_one = true;
dwc3_prepare_one_trb(dep, req, dma, length,
last_one, false, 0);