diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2016-08-04 13:59:41 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-08-08 11:12:06 +0300 |
| commit | 626d2f07de89bf6be3d7301524d0ab3375b81b9c (patch) | |
| tree | a6295aa86917d7a92f066098183b66f8b809c43b /drivers/dma/fsldma.c | |
| parent | 29b4817d4018df78086157ea3a55c1d9424a7cfc (diff) | |
| download | linux-626d2f07de89bf6be3d7301524d0ab3375b81b9c.tar.xz | |
dmaengine: usb-dmac: check CHCR.DE bit in usb_dmac_isr_channel()
The USB-DMAC's interruption happens even if the CHCR.DE is not set to 1
because CHCR.NULLE is set to 1. So, this driver should call
usb_dmac_isr_transfer_end() if the DE bit is set to 1 only. Otherwise,
the desc is possible to be NULL in the usb_dmac_isr_transfer_end().
Fixes: 0c1c8ff32fa2 ("dmaengine: usb-dmac: Add Renesas USB DMA Controller (USB-DMAC) driver)
Cc: <stable@vger.kernel.org> # v4.1+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/fsldma.c')
0 files changed, 0 insertions, 0 deletions