I have just checked that the patch was already submitted by commit b38b03b363a5
("usb: gadget: include <linux/prefetch.h> to fix compiling error")
Thanks.
> ------- Original Message -------
> Sender : JinGoo Han<jg1.han@xxxxxxxxxxx> E4/Engineer/SW Solution Development Team/Samsung Electronics
> Date : Jun 07, 2011 08:33 (GMT+09:00)
> Title : [PATCH] USB: s3c-hsudc: include linux/prefetch.h
>
> Commit e66eed651fd1 ("list: remove prefetching from regular list
> iterators") removed the include of prefetch.h from list.h.
> So, we need to include it to fix build errors on s3c-hsudc as follows:
>
> drivers/usb/gadget/s3c-hsudc.c: In function 's3c_hsudc_write_fifo':
> drivers/usb/gadget/s3c-hsudc.c:339: error: implicit declaration of function 'prefetch'
> drivers/usb/gadget/s3c-hsudc.c: In function 's3c_hsudc_read_fifo':
> drivers/usb/gadget/s3c-hsudc.c:391: error: implicit declaration of function 'prefetchw'
>
> Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
> ---
> drivers/usb/gadget/s3c-hsudc.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
> index cfe3cf5..9a1b966 100644
> --- a/drivers/usb/gadget/s3c-hsudc.c
> +++ b/drivers/usb/gadget/s3c-hsudc.c
> @@ -26,6 +26,7 @@
> #include <linux/clk.h>
> #include <linux/usb/ch9.h>
> #include <linux/usb/gadget.h>
> +#include <linux/prefetch.h>
>
> #include <mach/regs-s3c2443-clock.h>
> #include <plat/udc.h>
> --
> 1.7.1
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