netdev - Re: [PATCH net-next 08/11] net: stmmac: Add EMAC3 variant of dwmac4

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Date:   Thu, 16 Mar 2023 11:52:34 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Andrew Halaney <ahalaney@...hat.com>
Cc:     linux-kernel@...r.kernel.org, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org,
        davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
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        vkoul@...nel.org, bhupesh.sharma@...aro.org,
        mturquette@...libre.com, sboyd@...nel.org, peppe.cavallaro@...com,
        alexandre.torgue@...s.st.com, joabreu@...opsys.com,
        mcoquelin.stm32@...il.com, richardcochran@...il.com,
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        andrey.konovalov@...aro.org, linux-arm-msm@...r.kernel.org,
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        linux-arm-kernel@...ts.infradead.org, ncai@...cinc.com,
        jsuraj@....qualcomm.com, hisunil@...cinc.com
Subject: Re: [PATCH net-next 08/11] net: stmmac: Add EMAC3 variant of dwmac4

On Thu, 16 Mar 2023 13:36:09 -0500 Andrew Halaney wrote:
> static void emac3_config_cbs(struct mac_device_info *hw, u32 send_slope,
> 				    u32 idle_slope, u32 high_credit,
> 				    u32 low_credit, u32 queue)
> 
> I agree, that's quite gnarly to read. the emac3_config_cbs is the
> callback, so it's already at 6 arguments, so there's nothing I can
> trim there. I could create some struct for readability, populate that,
> then call the do_config_cbs() func with it from emac3_config_cbs.
> Is that the sort of thing you want to see?

Yes, a structure is much better, because it can be initialized member
by member,

struct bla my_bla = { .this = 1, .that = 2, .and = 3, another = 4, };

That's much easier to read. A poor man's version of Python's keyword
arguments, if you will.