diff mbox series

[U-Boot,v2,14/14] usb:ci_udc: don't overwrite configuration on pullup

Message ID 20180921103555.16240-15-ramon.fried@gmail.com
State Accepted
Commit 30b3241368aff899c56359f63214c164ed3fb3fb
Delegated to: Tom Rini
Headers show
Series Introduce fastboot support for dragonboard410c | expand

Commit Message

Ramon Fried Sept. 21, 2018, 10:35 a.m. UTC
change writel to writebits32 in ci_pullup() in order
to keep phy configuration in tact.

Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
---

Changes in v2:
Patch introduced

 drivers/usb/gadget/ci_udc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Tom Rini Sept. 30, 2018, 7:26 p.m. UTC | #1
On Fri, Sep 21, 2018 at 01:35:56PM +0300, Ramon Fried wrote:

> change writel to writebits32 in ci_pullup() in order
> to keep phy configuration in tact.
> 
> Signed-off-by: Ramon Fried <ramon.fried@gmail.com>

Applied to u-boot/master, thanks!
Lukasz Majewski Oct. 1, 2018, 12:50 p.m. UTC | #2
Hi Ramon,

> change writel to writebits32 in ci_pullup() in order
> to keep phy configuration in tact.
> 
> Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
> ---
> 
> Changes in v2:
> Patch introduced
> 
>  drivers/usb/gadget/ci_udc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c
> index 8d23fab3b7..0a84f6850d 100644
> --- a/drivers/usb/gadget/ci_udc.c
> +++ b/drivers/usb/gadget/ci_udc.c
> @@ -906,7 +906,8 @@ static int ci_pullup(struct usb_gadget *gadget,
> int is_on) writel(0xffffffff, &udc->epflush);
>  
>  		/* Turn on the USB connection by enabling the pullup
> resistor */
> -		writel(USBCMD_ITC(MICRO_8FRAME) | USBCMD_RUN,
> &udc->usbcmd);
> +		setbits_le32(&udc->usbcmd, USBCMD_ITC(MICRO_8FRAME) |
> +			     USBCMD_RUN);
>  	} else {
>  		udc_disconnect();
>  	}

Reviewed-by: Lukasz Majewski <lukma@denx.de>


Best regards,

Lukasz Majewski

--

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diff mbox series

Patch

diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c
index 8d23fab3b7..0a84f6850d 100644
--- a/drivers/usb/gadget/ci_udc.c
+++ b/drivers/usb/gadget/ci_udc.c
@@ -906,7 +906,8 @@  static int ci_pullup(struct usb_gadget *gadget, int is_on)
 		writel(0xffffffff, &udc->epflush);
 
 		/* Turn on the USB connection by enabling the pullup resistor */
-		writel(USBCMD_ITC(MICRO_8FRAME) | USBCMD_RUN, &udc->usbcmd);
+		setbits_le32(&udc->usbcmd, USBCMD_ITC(MICRO_8FRAME) |
+			     USBCMD_RUN);
 	} else {
 		udc_disconnect();
 	}