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SubjectRe: [PATCH v2 3/4] mfd: dln2: add start/stop RX URBs helpers
On Tue, Dec 16, 2014 at 05:57:14PM +0200, Octavian Purdila wrote:
> This is in preparation for adding suspend / resume support.
>
> Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
> ---
> drivers/mfd/dln2.c | 51 +++++++++++++++++++++++++++++++++++++++++----------
> 1 file changed, 41 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
> index 6d49685..75358d2 100644
> --- a/drivers/mfd/dln2.c
> +++ b/drivers/mfd/dln2.c
> @@ -587,12 +587,19 @@ static void dln2_free_rx_urbs(struct dln2_dev *dln2)
> int i;
>
> for (i = 0; i < DLN2_MAX_URBS; i++) {
> - usb_kill_urb(dln2->rx_urb[i]);
> usb_free_urb(dln2->rx_urb[i]);
> kfree(dln2->rx_buf[i]);
> }
> }
>
> +static void dln2_stop_rx_urbs(struct dln2_dev *dln2)
> +{
> + int i;
> +
> + for (i = 0; i < DLN2_MAX_URBS; i++)
> + usb_kill_urb(dln2->rx_urb[i]);
> +}
> +
> static void dln2_free(struct dln2_dev *dln2)
> {
> dln2_free_rx_urbs(dln2);
> @@ -604,9 +611,7 @@ static int dln2_setup_rx_urbs(struct dln2_dev *dln2,
> struct usb_host_interface *hostif)
> {
> int i;
> - int ret;
> const int rx_max_size = DLN2_RX_BUF_SIZE;
> - struct device *dev = &dln2->interface->dev;
>
> for (i = 0; i < DLN2_MAX_URBS; i++) {
> dln2->rx_buf[i] = kmalloc(rx_max_size, GFP_KERNEL);
> @@ -621,7 +626,19 @@ static int dln2_setup_rx_urbs(struct dln2_dev *dln2,
> usb_rcvbulkpipe(dln2->usb_dev, dln2->ep_in),
> dln2->rx_buf[i], rx_max_size, dln2_rx, dln2);
>

You should remove this stray newline as well.

> - ret = usb_submit_urb(dln2->rx_urb[i], GFP_KERNEL);
> + }
> +
> + return 0;
> +}

Otherwise,

Reviewed-by: Johan Hovold <johan@kernel.org>

Johan


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