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Message-ID: <20241126221536.n4ecwbndpelx3bmv@synopsys.com>
Date: Tue, 26 Nov 2024 22:15:37 +0000
From: Thinh Nguyen <Thinh.Nguyen@...opsys.com>
To: Roger Quadros <rogerq@...nel.org>
CC: Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Siddharth Vadapalli <s-vadapalli@...com>, "srk@...com" <srk@...com>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: dwc3: dwc3-am62: Re-initialize controller if lost
 power in PM suspend

On Mon, Nov 25, 2024, Roger Quadros wrote:
> 
> 
> On 25/11/2024 20:23, Thinh Nguyen wrote:
> > On Fri, Nov 22, 2024, Roger Quadros wrote:
> >> If controller looses power during PM suspend then re-initialize
> >> it. We use the DEBUG_CFG register to track if controller lost power
> >> or was reset in PM suspend.
> >>
> >> Move all initialization code into dwc3_ti_init() so it can be re-used.
> >>
> >> Signed-off-by: Roger Quadros <rogerq@...nel.org>
> >> ---
> >>  drivers/usb/dwc3/dwc3-am62.c | 82 +++++++++++++++++++++++++++++---------------
> >>  1 file changed, 55 insertions(+), 27 deletions(-)
> >>
> >> diff --git a/drivers/usb/dwc3/dwc3-am62.c b/drivers/usb/dwc3/dwc3-am62.c
> >> index fad151e78fd6..2192222faf4f 100644
> >> --- a/drivers/usb/dwc3/dwc3-am62.c
> >> +++ b/drivers/usb/dwc3/dwc3-am62.c
> >> @@ -108,6 +108,9 @@
> >>  
> >>  #define DWC3_AM62_AUTOSUSPEND_DELAY	100
> >>  
> >> +#define USBSS_DEBUG_CFG_OFF		0x7
> >> +#define USBSS_DEBUG_CFG_DISABLED	0x7
> > 
> > Do we need 2 different macros with the same value of the same register
> > for this?
> 
> Oops. This is a mistake. The second one should be 0.
> 

Ok. Please send a fix.

Thanks,
Thinh

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