A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 03:27:44 -04:00
Code Issues Projects Releases Packages Wiki Activity

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

Browse source 
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: Al Cooper <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
This commit is contained in:
Al Cooper 2015-07-24 16:09:36 -04:00 • committed by Felipe Balbi
commit 02c3b4c759
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/usb/gadget/udc/bdc/bdc_ep.c
View file

@ -779,7 +779,7 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req)
/* The current hw dequeue pointer */
tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(0));
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);
/* we have the dma addr of next bd that will be fetched by hardware */