> Add callback to ehci_hcd.c to prepare
> for solving the problem with VBUS reset on Efika.
>
> Signed-off-by: Jana Rapava <ferma...@gmail.com>
> Cc: Marek Vasut <marek.va...@gmail.com>
> Cc: Remy Bohmer <li...@bohmer.net>
> Cc: Stefano Babic <sba...@denx.de>
>
> Acked-by: Marek Vasut <marek.va...@gmail.com>
> ---
> Changes for v1:
> - split into patchset
> - add callback ehci_fixup
> Changes for v2:
> - make this the second patch in series
> - add comment to alias ehci_fixup
> - no actual changes
> Changes for v3:
> - no actual changes
> - make the comment a sentence
> - rebase patch on top of u-boot-imx/next
> Changes for v4:
> - no actual changes
> - change the versioning of changelog
> from per patchset to per patch
> - fix the appearance of comment
> Changes for v5:
> - no actual changes
> - reword the comment
>
> drivers/usb/host/ehci-hcd.c | 14 +++++++++++++-
> 1 files changed, 13 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
> index bdadd46..fb64f23 100644
> --- a/drivers/usb/host/ehci-hcd.c
> +++ b/drivers/usb/host/ehci-hcd.c
> @@ -536,6 +536,18 @@ static inline int min3(int a, int b, int c)
> return a;
> }
>
> +inline void __ehci_fixup(uint32_t *status_reg, uint32_t *reg_ref)
> +{
> + wait_ms(50);
> +}
> +
> +/*
> + * This is an alias to __ehci_fixup
__ehci_fixup() and why do you break the line there so early?
> + * unless user provides other definition of ehci_fixup function.
> + */
> +void ehci_fixup(uint32_t *status_reg, uint32_t *reg_ref)
> + __attribute__((weak, alias("__ehci_fixup")));
> +
> int
> ehci_submit_root(struct usb_device *dev, unsigned long pipe, void
> *buffer, int length, struct devrequest *req)
> @@ -709,7 +721,7 @@ ehci_submit_root(struct usb_device *dev, unsigned
> long pipe, void *buffer, * usb 2.0 specification say 50 ms
> resets on
> * root
> */
> - wait_ms(50);
> + ehci_fixup(status_reg, ®);
> /* terminate the reset */
> ehci_writel(status_reg, reg & ~EHCI_PS_PR);
> /*
> --
> 1.7.6.3
>
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