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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-07-25 13:57:29 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-06 16:00:29 +1000 |
| commit | 225b8b0e3ae3256d8471d027436aad5d3e1e2c73 (patch) | |
| tree | 5bd9e1f7f291c6b8ead312c3f0371520af6f0a10 /lib/libusb | |
| parent | 14bca6ff9ac595d7b4405835c4fa979440c64965 (diff) | |
| download | SLOF-225b8b0e3ae3256d8471d027436aad5d3e1e2c73.zip SLOF-225b8b0e3ae3256d8471d027436aad5d3e1e2c73.tar.gz SLOF-225b8b0e3ae3256d8471d027436aad5d3e1e2c73.tar.bz2 | |
usb-ohci: Add a reset when closing the OHCI
Or it will continue DMA'ing which is not a good idea. On recent qemu's
that add proper DMA error handling, it will get into error state.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'lib/libusb')
| -rw-r--r-- | lib/libusb/usb-ohci.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/libusb/usb-ohci.c b/lib/libusb/usb-ohci.c index 75d833e..9315c8c 100644 --- a/lib/libusb/usb-ohci.c +++ b/lib/libusb/usb-ohci.c @@ -314,6 +314,7 @@ static void ohci_exit(struct usb_hcd_dev *hcidev) return; } ohcd = hcidev->priv; + ohci_hcd_reset(ohcd->regs); write_reg32(&ohcd->regs->hcca, cpu_to_le32(0)); SLOF_dma_map_out(ohcd->pool_phys, ohcd->pool, OHCI_PIPE_POOL_SIZE); SLOF_dma_free(ohcd->pool, OHCI_PIPE_POOL_SIZE); |