On Wed, Mar 20, 2013 at 11:26:51PM +0100, Michael Grzeschik wrote:
> The prepared memory for the qhead needs to be contiguos and 2K aligned.
> We change the code from allocating extra buffer for every ep qhead to
> one big area. This patch lowers the amount of code to prepare the
> memory.
>
> Signed-off-by: Michael Grzeschik <[email protected]>
> ---
> drivers/usb/chipidea/ci.h | 6 ++++++
> drivers/usb/chipidea/udc.c | 33 +++++++++++++++------------------
> drivers/usb/chipidea/udc.h | 2 +-
> 3 files changed, 22 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
> index 4ca3373..1e7cc61 100644
> --- a/drivers/usb/chipidea/ci.h
> +++ b/drivers/usb/chipidea/ci.h
> @@ -158,6 +158,12 @@ struct ci13xxx {
> struct dma_pool *qh_pool;
I realised that qh_pool got superseeded by struct qh.
Will fix that.
> struct dma_pool *td_pool;
>
> + struct {
> + struct ci13xxx_qh *ptr;
> + dma_addr_t dma;
> + size_t size;
> + } qh;
Michael
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
