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Message-ID: <523727cd-7950-45b1-a0d3-3f978e789015@kernel.org> Date: Mon, 25 Nov 2024 21:01:18 +0200 From: Roger Quadros <rogerq@...nel.org> To: Thinh Nguyen <Thinh.Nguyen@...opsys.com> Cc: 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 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. -- cheers, -roger
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