shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

pcie-dma-trx: Reinit completion signal before dma start

Browse Source 
Change-Id: Ic353c7f6b5195026eade229df7d77adb3c495945
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2022-03-19 20:36:58 +08:00
committed by Tao Huang
parent ca205d9e99
commit 97155db74b
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pci/controller/rockchip-pcie-dma.c
View File

@@ -286,6 +286,7 @@ static void rk_pcie_dma_trx_work(struct work_struct *work)
WARN_ON(1);
return;
}
reinit_completion(&obj->done);
obj->start_dma_func(obj);
}
}
@@ -538,7 +539,6 @@ static long rk_pcie_misc_ioctl(struct file *filp, unsigned int cmd,
DMA_FROM_DEVICE);
break;
case PCIE_DMA_WAIT_TRANSFER_COMPLETE:
reinit_completion(&obj->done);
ret = wait_for_completion_interruptible(&obj->done);
if (WARN_ON(ret)) {
pr_info("failed to wait complete\n");