From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
To: Roger Quadros <rogerq@kernel.org>
Cc: Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Siddharth Vadapalli <s-vadapalli@ti.com>,
"srk@ti.com" <srk@ti.com>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] usb: dwc3: dwc3-am62: Re-initialize controller if lost power in PM suspend
Date: Tue, 26 Nov 2024 22:15:37 +0000 [thread overview]
Message-ID: <20241126221536.n4ecwbndpelx3bmv@synopsys.com> (raw)
In-Reply-To: <523727cd-7950-45b1-a0d3-3f978e789015@kernel.org>
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@kernel.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
next prev parent reply other threads:[~2024-11-26 22:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-22 13:57 Roger Quadros
2024-11-25 18:23 ` Thinh Nguyen
2024-11-25 19:01 ` Roger Quadros
2024-11-26 22:15 ` Thinh Nguyen [this message]
2024-11-27 14:35 ` Roger Quadros
2024-12-03 0:50 ` Thinh Nguyen
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