[PATCH 1/4] usb: gadget: udc: core: don't starve DMA resources
DORMANTno replies
From: Felipe Balbi <hidden>
Date: 2016-08-25 07:36:47
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
Always unmap all SG entries as required by DMA API
Fixes: a698908d3b3b ("usb: gadget: add generic map/unmap request utilities")
Cc: <redacted> # v3.4+
Signed-off-by: Felipe Balbi <redacted>
---
drivers/usb/gadget/udc/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 934f83881c30..40c04bb25f2f 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c@@ -827,7 +827,7 @@ void usb_gadget_unmap_request_by_dev(struct device *dev, return; if (req->num_mapped_sgs) { - dma_unmap_sg(dev, req->sg, req->num_mapped_sgs, + dma_unmap_sg(dev, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0;
--
2.9.1