Commit 02c3b4c7 authored by Al Cooper's avatar Al Cooper Committed by Felipe Balbi

usb: gadget: bdc: fix a driver crash on disconnect

ep_dequeue() in bdc_ep.c was capturing the hw dequeue pointer
incorrectly by reading the wrong register for the upper 32 bits.
Signed-off-by: default avatarAl Cooper <alcooperx@gmail.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent cbfe8fa6
...@@ -779,7 +779,7 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req) ...@@ -779,7 +779,7 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req)
/* The current hw dequeue pointer */ /* The current hw dequeue pointer */
tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(0)); tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(0));
deq_ptr_64 = tmp_32; deq_ptr_64 = tmp_32;
tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(1)); tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS1(0));
deq_ptr_64 |= ((u64)tmp_32 << 32); deq_ptr_64 |= ((u64)tmp_32 << 32);
/* we have the dma addr of next bd that will be fetched by hardware */ /* we have the dma addr of next bd that will be fetched by hardware */
......
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