* [PATCH] usb: dwc2: disable power_down on Amlogic devices
@ 2018-09-05 14:55 Christian Hewitt
2018-09-06 8:36 ` Minas Harutyunyan
0 siblings, 1 reply; 2+ messages in thread
From: Christian Hewitt @ 2018-09-05 14:55 UTC (permalink / raw)
Cc: christianshewitt, hal, arthur.petrosyan, Minas Harutyunyan,
Greg Kroah-Hartman, linux-usb, linux-kernel
USB devices work when connected to Amlogic GXBB hardware before power
on, but not when connected after boot (hotplugged). With this patch
hotplugging works again. This change was copied from the Rockchip
patch here: (https://marc.info/?l=linux-usb&m=153205711616460&w=2)
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
---
drivers/usb/dwc2/params.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index bf7052e..93561a2 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -110,6 +110,7 @@ static void dwc2_set_amlogic_params(struct dwc2_hsotg *hsotg)
p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI;
p->ahbcfg = GAHBCFG_HBSTLEN_INCR8 <<
GAHBCFG_HBSTLEN_SHIFT;
+ p->power_down = false;
}
static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg)
--
2.7.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] usb: dwc2: disable power_down on Amlogic devices
2018-09-05 14:55 [PATCH] usb: dwc2: disable power_down on Amlogic devices Christian Hewitt
@ 2018-09-06 8:36 ` Minas Harutyunyan
0 siblings, 0 replies; 2+ messages in thread
From: Minas Harutyunyan @ 2018-09-06 8:36 UTC (permalink / raw)
To: Christian Hewitt
Cc: hal, arthur.petrosyan, Minas Harutyunyan, Greg Kroah-Hartman,
linux-usb, linux-kernel
On 9/5/2018 6:56 PM, Christian Hewitt wrote:
> USB devices work when connected to Amlogic GXBB hardware before power
> on, but not when connected after boot (hotplugged). With this patch
> hotplugging works again. This change was copied from the Rockchip
> patch here: (https://urldefense.proofpoint.com/v2/url?u=https-3A__marc.info_-3Fl-3Dlinux-2Dusb-26m-3D153205711616460-26w-3D2&d=DwIBAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=m5T_SsLG-_isQDyjrHuiVqJWdEqZ21Lcr70lObiPwrg&s=D26wJzWeREBz6_XcmdTqo8k69mPRqGaIbRWl_77Ns3c&e=)
>
> Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
> ---
> drivers/usb/dwc2/params.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
> index bf7052e..93561a2 100644
> --- a/drivers/usb/dwc2/params.c
> +++ b/drivers/usb/dwc2/params.c
> @@ -110,6 +110,7 @@ static void dwc2_set_amlogic_params(struct dwc2_hsotg *hsotg)
> p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI;
> p->ahbcfg = GAHBCFG_HBSTLEN_INCR8 <<
> GAHBCFG_HBSTLEN_SHIFT;
> + p->power_down = false;
> }
>
> static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg)
>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2018-09-06 8:36 UTC | newest]
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