Re: [PATCH] net: ethernet: pcnet32: Setup the SRAM and NOUFLO on Am79C97{3,5}

From: Markos Chandras
Date: Thu Mar 19 2015 - 04:37:21 EST


Hi Don,

On Wed, Mar 18, 2015 at 07:07:34PM -0700, Don Fry wrote:
> One little change to the comment is needed. See below
>
> Don
>
> On Wed, 2015-03-18 at 20:10 +0000, Markos Chandras wrote:
> > + if (sram) {
> > + /*
> > + * The SRAM is being configured in two steps. First we
> > + * set the SRAM size in the BCR25:SRAM_SIZE bits. According
> > + * to the datasheet, each bit corresponds to a 512-byte
> > + * page so we can have at most 24 pages. The SRAM_SIZE
> > + * corresponds holds the value of the upper 8 bits of
> > + * the 16-bit SRAM size. The low 8-bits start at 0x00
> > + * and end at 0xff. So the address range is from 0x0000
> > + * up to 0x17ff. Therefore, the SRAM_SIZE is set to 0x17.
> > + * The next step is to set the BCR24:SRAM_BND midway through
> > + * so the Tx and Rx buffers can share the SRAM equally.
> > + */
>
> The comment specifies BCR24 but the code is changing BCR26 which matches
> the documentation. Please correct the comment to avoid confusion.
>

Ah good catch. I will fix it and send a v2.

--
markos
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