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SubjectRe: [PATCH] usb: musb: Fix format specifier warning
Hello.

On 06/01/2013 12:22 AM, Emil Goode wrote:

> This patch fixes a format specifier warning. dma_addr_t can be either
> u32 or u64 so we should cast to the largest type and change the format
> specifier to %llx.
> The addition of urb->transfer_dma and urb->actual_length is also done a
> few lines below. I have moved this code up and pass the variable buf to
> dev_dbg.
>
> Sparse output:
> drivers/usb/musb/musb_host.c:1761:4: warning:
> format ‘%x’ expects argument of type ‘unsigned int’,
> but argument 6 has type ‘dma_addr_t’ [-Wformat]
>
> Signed-off-by: Emil Goode <emilgoode@gmail.com>
> ---
> drivers/usb/musb/musb_host.c | 11 ++++-------
> 1 file changed, 4 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
> index 094cf80..d647ccb 100644
> --- a/drivers/usb/musb/musb_host.c
> +++ b/drivers/usb/musb/musb_host.c
[...]
> @@ -1789,11 +1789,8 @@ void musb_host_rx(struct musb *musb, u8 epnum)
> length = rx_count;
> d->status = d_status;
> buf = urb->transfer_dma + d->offset;
> - } else {
> + } else

You should keep {} on the *else* branch since *if* branch has {},
according to Documentation/CodingStyle.

> length = rx_count;
> - buf = urb->transfer_dma +
> - urb->actual_length;
> - }

WBR, Sergei


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