[U-Boot] [PATCH] ehci-ppc4xx: Prepare for usage of readl()/writel() accessors

[Stefan Roese]

On 17.04.2017 18:13, Alexey Brodkin wrote:
> We used to have opencoded ehci_readl()/writel() which required no
> external functions to be called.
>
> Now with attempt to switch to generic readl()/writel() accessors
> we see a missing declaration of those accessors in ehci-ppc4xx.
> Something like that happens if applied
> http://patchwork.ozlabs.org/patch/726714/:
> ---------------->8---------------
>   CC      drivers/usb/host/ehci-ppc4xx.o
> drivers/usb/host/ehci-ppc4xx.c: In function 'ehci_hcd_init':
> drivers/usb/host/ehci-ppc4xx.c:23:3: warning: implicit declaration of function 'readl' [-Wimplicit-function-declaration]
>    HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
>    ^
> ---------------->8---------------
>
> Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
> Cc: Tom Rini <trini at konsulko.com>
> Cc: Marek Vasut <marex at denx.de>
> Cc: Stefan Roese <sr at denx.de>
> ---
>  drivers/usb/host/ehci-ppc4xx.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/host/ehci-ppc4xx.c b/drivers/usb/host/ehci-ppc4xx.c
> index 9aee3ff786cb..9d235776428e 100644
> --- a/drivers/usb/host/ehci-ppc4xx.c
> +++ b/drivers/usb/host/ehci-ppc4xx.c
> @@ -8,6 +8,7 @@
>   */
>  #include <common.h>
>  #include <usb.h>
> +#include <asm/io.h>
>
>  #include "ehci.h"
>
>

Alexey, thanks for looking into this:

Reviewed-by: Stefan Roese <sr at denx.de>

Thanks,
Stefan