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Re: [PATCH] net: emac: emac gigabit ethernet controller driver

From Gilad Avidov <gavidov@codeaurora.org>
Newsgroups linux.kernel
Subject Re: [PATCH] net: emac: emac gigabit ethernet controller driver
Date 2015-12-08 00:50 +0100
Message-ID <qDdHz-2YK-11@gated-at.bofh.it> (permalink)
References <qDcVc-2rG-7@gated-at.bofh.it> <qDdxU-2Vw-17@gated-at.bofh.it>
Organization Qualcomm Innovation Center, Inc.

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On Tue, 8 Dec 2015 00:33:04 +0100
Felix Fietkau <nbd@openwrt.org> wrote:


> On 2015-12-07 23:58, Gilad Avidov wrote:
> > +/* RRD (Receive Return Descriptor) */
> > +union emac_rrd {
> > +	struct {
> > +		/* 32bit word 0 */
> > +		u32  xsum:16;
> > +		u32  nor:4;       /* number of RFD */
> > +		u32  si:12;       /* start index of rfd-ring */
> > +		/* 32bit word 1 */
> > +		u32  hash;
> > +		/* 32bit word 2 */
> You should never use bitfields for hardware structs.
> I think in general, kernel code should be made endian safe, even if
> you only care about one particular endian type for your platform.
> 
> - Felix

Thank you Felix,
I will change the bit fields to bitwise operations and macros.

Gilad
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Re: [PATCH] net: emac: emac gigabit ethernet controller driver Felix Fietkau <nbd@openwrt.org> - 2015-12-08 00:40 +0100
  Re: [PATCH] net: emac: emac gigabit ethernet controller driver Gilad Avidov <gavidov@codeaurora.org> - 2015-12-08 00:50 +0100

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