On Tue, Jan 09, 2018 at 09:39:37PM +0100, Christoph Hellwig wrote:
> Switch to a plain kzalloc instea of pci_zalloc_coherent to allocate
> memory for the USB DMA.
s/instea/instead/
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c | 13 +++----------
> 1 file changed, 3 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
> index a142b9dc0feb..b8619fb23351 100644
> --- a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
> +++ b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
> @@ -102,7 +102,6 @@ struct ttusb {
> unsigned int isoc_in_pipe;
>
> void *iso_buffer;
> - dma_addr_t iso_dma_handle;
>
> struct urb *iso_urb[ISO_BUF_COUNT];
>
> @@ -792,21 +791,15 @@ static void ttusb_free_iso_urbs(struct ttusb *ttusb)
>
> for (i = 0; i < ISO_BUF_COUNT; i++)
> usb_free_urb(ttusb->iso_urb[i]);
> -
> - pci_free_consistent(NULL,
> - ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF *
> - ISO_BUF_COUNT, ttusb->iso_buffer,
> - ttusb->iso_dma_handle);
> + kfree(ttusb->iso_buffer);
> }
>
> static int ttusb_alloc_iso_urbs(struct ttusb *ttusb)
> {
> int i;
>
> - ttusb->iso_buffer = pci_zalloc_consistent(NULL,
> - ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT,
> - &ttusb->iso_dma_handle);
> -
> + ttusb->iso_buffer = kzalloc(ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF *
> + ISO_BUF_COUNT, GFP_KERNEL);
> if (!ttusb->iso_buffer) {
> dprintk("%s: pci_alloc_consistent - not enough memory\n",
> __func__);
> --
> 2.14.2
>
