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Date:   Thu, 14 Jul 2022 19:06:18 -0700
From:   Dipen Patel <dipenp@...dia.com>
To:     Kent Gibson <warthog618@...il.com>, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, brgl@...ev.pl, linus.walleij@...aro.org
Subject: Re: [PATCH 0/6] gpiolib: cdev: code cleanup following hte integration

On 7/12/22 6:37 PM, Kent Gibson wrote:
> This patch series is a collection of improvements to simplify the
> code, improve readability, and compile out unused code.
> There are no functional changes.
>
> The first patch is a cleanup for my recent linereq_free() fix. I
> noted then that the edge_detector_stop() could probably be safely
> moved inside the line desc check block, but wanted to keep that
> change minimal just in case.  It can be safely moved, and so here
> it is.
>
> Patch 2 makes use of an existing macro to simplify a call.
>
> Patch 3 replaces some more if-else chains with switches, which is
> more readable (YMMV).
>
> Patch 4 reorganizes the line identification code to share code
> common to alternate paths.
>
> Patch 5 consolidates a number of separate flags into one.  This
> reduces code complexity, simplifies any future edge source additions,
> and makes patch 6 significantly simpler.
>
> Patch 6 totally compiles out the hte specific code when CONFIG_HTE
> is not selected.
>
> I've based this series on gpio/for-current, as it requires the fix
> patch -
> commit c8e27a4a5136 ("gpiolib: cdev: fix null pointer dereference in linereq_free()")
> Happy to rebase if that doesn't suit.
>
> Dipen, I don't have any HTE compatible hardware to test with, so
> could you check that this still works for you?
Sure, will do it by Tuesday next week.
>
>
> Kent Gibson (6):
>   gpiolib: cdev: simplify linereq_free
>   gpiolib: cdev: simplify parameter in call to hte_edge_setup
>   gpiolib: cdev: replace if-else chains with switches
>   gpiolib: cdev: simplify line event identification
>   gpiolib: cdev: consolidate edge detector configuration flags
>   gpiolib: cdev: compile out HTE unless CONFIG_HTE selected
>
>  drivers/gpio/gpiolib-cdev.c | 286 +++++++++++++++++++-----------------
>  1 file changed, 149 insertions(+), 137 deletions(-)
>
>
> base-commit: 7329b071729645e243b6207e76bca2f4951c991b


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