[PATCH 3/3] mtd/nand : workaround for Freescale FCM to support large-page Nand chip

Li Yang-R58472 r58472 at freescale.com
Thu Nov 24 18:49:03 EST 2011


> Subject: Re: [PATCH 3/3] mtd/nand : workaround for Freescale FCM to support
> large-page Nand chip
> 
> On Thu, 2011-11-24 at 08:41 +0800, b35362 at freescale.com wrote:
> > +               /*
> > +                * Freescale FCM controller has a 2K size limitation of buffer
> > +                * RAM, so elbc_fcm_ctrl->buffer have to be used if writesize
> > +                * of chip is greater than 2048.
> > +                * We malloc a large enough buffer (maximum page size is
> 16K).
> > +                */
> > +               elbc_fcm_ctrl->buffer = kmalloc(1024 * 16 + 1024,
> GFP_KERNEL);
> 
> Are there NANDs with 16KiB page size?

We are not sure, but are there possibility that chip with 16K page will appear?  Or maybe we can add a MACRO for the maximum page size?

- Leo


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