[U-Boot] [PATCH] usb: sunxi: don't touch reset bits in ccm if CONFIG_SUNXI_GEN_SUN6I is not defined
Chen-Yu Tsai
wens at csie.org
Thu Jun 14 03:23:19 UTC 2018
On Thu, Jun 14, 2018 at 11:04 AM, Vasily Khoruzhick <anarsoul at gmail.com> wrote:
> CCM in sun4i and sun5i doesn't have reset.
>
> Fixes commit 1ed9c1118 ("usb: sunxi: ehci: get rid of ifdefs")
> and commit 56830cee3 ("usb: sunxi: ohci: get rid of ifdefs")
>
> Signed-off-by: Vasily Khoruzhick <anarsoul at gmail.com>
> ---
> drivers/usb/host/ehci-sunxi.c | 10 ++++++++--
> drivers/usb/host/ohci-sunxi.c | 10 ++++++++--
> 2 files changed, 16 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c
> index 35fbe03331..f5b661ef12 100644
> --- a/drivers/usb/host/ehci-sunxi.c
> +++ b/drivers/usb/host/ehci-sunxi.c
> @@ -85,9 +85,12 @@ no_phy:
>
> setbits_le32(&priv->ccm->ahb_gate0,
> priv->ahb_gate_mask | extra_ahb_gate_mask);
> - if (priv->cfg->has_reset)
> + if (priv->cfg->has_reset) {
> +#ifdef CONFIG_SUNXI_GEN_SUN6I
The "has_reset" field is supposed to deal with this. Is it not working?
ChenYu
> setbits_le32(&priv->ccm->ahb_reset0_cfg,
> priv->ahb_gate_mask | extra_ahb_gate_mask);
> +#endif
> + }
>
> hcor = (struct ehci_hcor *)((uintptr_t)hccr +
> HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
> @@ -112,8 +115,11 @@ static int ehci_usb_remove(struct udevice *dev)
> if (ret)
> return ret;
>
> - if (priv->cfg->has_reset)
> + if (priv->cfg->has_reset) {
> +#ifdef CONFIG_SUNXI_GEN_SUN6I
> clrbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask);
> +#endif
> + }
> clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask);
>
> return 0;
> diff --git a/drivers/usb/host/ohci-sunxi.c b/drivers/usb/host/ohci-sunxi.c
> index 2b99169da6..c8c9e1d2fe 100644
> --- a/drivers/usb/host/ohci-sunxi.c
> +++ b/drivers/usb/host/ohci-sunxi.c
> @@ -92,9 +92,12 @@ no_phy:
> priv->ahb_gate_mask | extra_ahb_gate_mask);
> setbits_le32(&priv->ccm->usb_clk_cfg,
> priv->usb_gate_mask | priv->cfg->extra_usb_gate_mask);
> - if (priv->cfg->has_reset)
> + if (priv->cfg->has_reset) {
> +#ifdef CONFIG_SUNXI_GEN_SUN6I
> setbits_le32(&priv->ccm->ahb_reset0_cfg,
> priv->ahb_gate_mask | extra_ahb_gate_mask);
> +#endif
> + }
>
> return ohci_register(dev, regs);
> }
> @@ -116,8 +119,11 @@ static int ohci_usb_remove(struct udevice *dev)
> if (ret)
> return ret;
>
> - if (priv->cfg->has_reset)
> + if (priv->cfg->has_reset) {
> +#ifdef CONFIG_SUNXI_GEN_SUN6I
> clrbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask);
> +#endif
> + }
> clrbits_le32(&priv->ccm->usb_clk_cfg, priv->usb_gate_mask);
> clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask);
>
> --
> 2.17.1
>
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