Thread (28 messages) 28 messages, 4 authors, 2018-07-06

Re: [PATCH v7 1/4] mfd: bd71837: mfd driver for ROHM BD71837 PMIC

From: Lee Jones <hidden>
Date: 2018-07-03 06:56:58
Also in: linux-clk, linux-devicetree, lkml

On Tue, 26 Jun 2018, Enric Balletbo Serra wrote:
Hi Matti,

Missatge de Matti Vaittinen [off-list ref] del
dia dt., 26 de juny 2018 a les 14:03:
quoted
Hello Again Eric,

On Tue, Jun 26, 2018 at 01:40:40PM +0200, Enric Balletbo Serra wrote:
quoted
Hi Matti,
Missatge de Matti Vaittinen [off-list ref] del
dia dt., 26 de juny 2018 a les 13:25:
quoted
On Tue, Jun 26, 2018 at 11:06:33AM +0200, Enric Balletbo Serra wrote:
quoted
Missatge de Matti Vaittinen [off-list ref] del
dia dt., 19 de juny 2018 a les 12:57:
quoted
quoted
+static const struct of_device_id bd71837_of_match[] = {
+       { .compatible = "rohm,bd71837", .data = (void *)0},
+       { },
nit: { /* sentinel */ }
I am sorry but I didn't quite get the point here. Could you please
explain what did you expect to be added here?
It's a nit but It is a good practice to specify that the last entry is
a sentinel. Just this.

+static const struct of_device_id bd71837_of_match[] = {
+       { .compatible = "rohm,bd71837", .data = (void *)0},
+       { /* sentinel */ }
+};
Oh, I see. Finally something I can disagree =) I quickly opened few
random drivers which declare match table. None of them practiced this
good practice. So I guess it is not such a standard after all. And I
guess the meaning of last entry in match table should be quite obvious.
Adding the comment /* sentinel */ sounds like stating the obvious at
best - at worst it gets one just to wonder what the "sentinel" means =)
git grep "/\* sentinel \*/"

Anyway, I marked this change as a nit, so you don't need to change. I
just commented because at some point I received a "complain" when I
didn't add it. But this is up to the maintainer and I am not sure if
the "complain" was received in this subsystem :)
Certainly not from me.  I don't agree with the practice.

I'd like to know who is enforcing this!

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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