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SubjectRe: [PATCH 2/2] staging: emxx_udc: Added a temporary variable with address.
On Tue, Nov 27, 2018 at 12:19:09AM +0100, Cristian Sicilia wrote:
> Replace the IO_ADDRESS call with a temporary variable.
>
> Signed-off-by: Cristian Sicilia <sicilia.cristian@gmail.com>
> ---
> drivers/staging/emxx_udc/emxx_udc.c | 18 ++++++++++--------
> 1 file changed, 10 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
> index ebc622f..d55cadd 100644
> --- a/drivers/staging/emxx_udc/emxx_udc.c
> +++ b/drivers/staging/emxx_udc/emxx_udc.c
> @@ -108,20 +108,22 @@ static void _nbu2ss_dump_register(struct nbu2ss_udc *udc)
>
> dev_dbg(&udc->dev, "\n-USB REG-\n");
> for (i = 0x0 ; i < USB_BASE_SIZE ; i += 16) {
> - reg_data = _nbu2ss_readl(
> - (u32 *)IO_ADDRESS(USB_BASE_ADDRESS + i));
> + u32 *tmp;
> +
> + tmp = (u32 *)IO_ADDRESS(USB_BASE_ADDRESS + i);
> + reg_data = _nbu2ss_readl(tmp);


What problem are you trying to solve? Shouldn't it just be:

reg_data = _nbu2ss_readl(IO_ADDRESS(USB_BASE_ADDRESS + i));

regards,
dan carpenter

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