> -----Original Message-----
> From: Mark Brown <[email protected]>
> Sent: Wednesday, July 10, 2019 10:16 AM
> To: Han Xu <[email protected]>
> Cc: Ashish Kumar <[email protected]>; [email protected]; linux-
> [email protected]; dl-linux-imx <[email protected]>
> Subject: [EXT] Re: [PATCH 1/3] spi: spi-nxp-fspi: dynamically alloc AHB memory
> for FSPI
>
> On Wed, Jul 10, 2019 at 10:31:26AM +0800, [email protected] wrote:
> > From: Han Xu <[email protected]>
> >
> > dynamically alloc AHB memory for FSPI controller
>
> Why? This is currently done at probe which is what you'd expect to happen
> here, there's no explanation as to why this change is being made.
Explained in cover letter, It failed to alloc the whole memory mapping area
during
probe on some platforms, since the AHB memory area could be pretty large. The
error may look like:
[ 1.129404] fsl-quadspi 1550000.spi: ioremap failed for resource [mem
0x40000000-0x7fffffff]
