Re: [PATCH 07/12] imx-usb-loader: Add i.MX8MP support

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On Fri, Jul 29, 2022 at 11:33:36AM +0200, Marco Felsch wrote:
> Hi Sascha,
> 
> please see below.
> 
> On 22-07-14, Sascha Hauer wrote:
> > For the i.MX8MP NXP dropped the SDP protocol used on other SoCs.
> > Instead the image is just sent straight to the device.
> > 
> > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> > ---
> >  scripts/imx/imx-usb-loader.c | 37 +++++++++++++++++++++++++++---------
> >  1 file changed, 28 insertions(+), 9 deletions(-)
> > 
> > diff --git a/scripts/imx/imx-usb-loader.c b/scripts/imx/imx-usb-loader.c
> > index 5f7dc3bc0b..974ff741bf 100644
> > --- a/scripts/imx/imx-usb-loader.c
> > +++ b/scripts/imx/imx-usb-loader.c
> > @@ -74,6 +74,7 @@ struct mach_id {
> >  #define DEV_IMX		0
> >  #define DEV_MXS		1
> >  	unsigned char dev_type;
> > +	unsigned char hid_endpoint;
> >  };
> >  
> >  struct usb_work {
> > @@ -180,6 +181,14 @@ static const struct mach_id imx_ids[] = {
> >  		.header_type = HDR_MX53,
> >  		.mode = MODE_HID,
> >  		.max_transfer = 1024,
> > +	}, {
> > +		.vid = 0x1fc9,
> > +		.pid = 0x0146,
> > +		.name = "i.MX8MP",
> > +		.header_type = HDR_MX53,
> > +		.max_transfer = 1020,
> > +		.mode = MODE_HID,
> > +		.hid_endpoint = 1,
> >  	}, {
> >  		.vid = 0x1fc9,
> >  		.pid = 0x012b,
> > @@ -470,15 +479,22 @@ static int transfer(int report, unsigned char *p, unsigned cnt, int *last_trans)
> >  
> >  		if (report < 3) {
> >  			memcpy(&tmp[1], p, cnt);
> > -			err = libusb_control_transfer(usb_dev_handle,
> > -					CTRL_OUT,
> > -					HID_SET_REPORT,
> > -					(HID_REPORT_TYPE_OUTPUT << 8) | report,
> > -					0,
> > -					tmp, cnt + 1, 1000);
> > -			*last_trans = (err > 0) ? err - 1 : 0;
> > -			if (err > 0)
> > -				err = 0;
> > +			if (mach_id->hid_endpoint) {
> > +				int trans;
> > +				err = libusb_interrupt_transfer(usb_dev_handle,
> > +						mach_id->hid_endpoint, tmp, cnt + 1, &trans, 1000);
> > +				*last_trans = trans - 1;
> > +			} else {
> > +				err = libusb_control_transfer(usb_dev_handle,
> > +						CTRL_OUT,
> > +						HID_SET_REPORT,
> > +						(HID_REPORT_TYPE_OUTPUT << 8) | report,
> > +						0,
> > +						tmp, cnt + 1, 1000);
> > +				*last_trans = (err > 0) ? err - 1 : 0;
> > +				if (err > 0)
> > +					err = 0;
> > +			}
> >  		} else {
> >  			*last_trans = 0;
> >  			memset(&tmp[1], 0, cnt);
> > @@ -1353,6 +1369,9 @@ static int do_irom_download(struct usb_work *curr, int verify)
> >  
> >  	header_offset = ret;
> >  
> > +	if (mach_id->hid_endpoint)
> > +		return send_file(buf + header_offset, fsize - header_offset);
>                          ^
> This function is defined nowhere and the compiler aborts. Did you forget
> to send a patch defining this function?

Should be send_buf(). I renamed this function at some point during
rebasing.

Sascha

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