[CAD QSPI v2] spi: cadence-qspi: Add disable STIG mode quikrs.

[Ng, Boon Khai]

> -----Original Message-----
> From: Tom Rini <trini at konsulko.com>
> Sent: Friday, 25 April, 2025 12:45 AM
> To: Ng, Boon Khai <boon.khai.ng at altera.com>
> Cc: U-boot Openlist <u-boot at lists.denx.de>; Jagan Teki
> <jagan at amarulasolutions.com>; Michal Simek <michal.simek at amd.com>;
> Venkatesh Yadav Abbarapu <venkatesh.abbarapu at amd.com>; Tejas Bhumkar
> <tejas.arvind.bhumkar at amd.com>; William Zhang
> <william.zhang at broadcom.com>; Hea, Kok Kiang
> <kok.kiang.hea at altera.com>; Maniyam, Dinesh
> <dinesh.maniyam at altera.com>; Chee, Tien Fong
> <tien.fong.chee at altera.com>; Zamri, Muhammad Hazim Izzat
> <muhammad.hazim.izzat.zamri at altera.com>; Meng, Tingting
> <tingting.meng at altera.com>; Yuslaimi, Alif Zakuan
> <alif.zakuan.yuslaimi at altera.com>
> Subject: Re: [CAD QSPI v2] spi: cadence-qspi: Add disable STIG mode quikrs.
> 
> On Wed, Apr 16, 2025 at 11:17:51AM +0800, Boon Khai Ng wrote:
> 
> > Adding quirk to disable STIG mode since cadence controller has issue
> > for read/write using the STIG mode. STIG mode is enabled by default
> > since 2023.04 for small read/write(<8bytes).
> >
> > Updated STIG mode reading from dev_get_driver_data by assigning to
> > platdata struct before read quirks variable.
> >
> > The STIG mode is disabled for normal read case and enabled for QSPI
> > Jedec ID read/write since it requires STIG read/write.
> >
> > Porting from linux implementation
> > https://lore.kernel.org/all/20241204063338.296959-1-niravkumar
> > .l.rabara at intel.com/T/
> >
> > Signed-off-by: Boon Khai Ng <boon.khai.ng at altera.com>
> > Reviewed-by: Tien Fong Chee <tien.fong.chee at altera.com>
> 
> Applied to u-boot/master, thanks!
> 

Thanks a lot Tom.

Regards,
Boon Khai

> --
> Tom