linux-kernel - Re: [PATCH] dmaengine: pl330: fix descriptor allocation fail

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Message-Id: <CD7EEDA0-AF93-47AB-8929-141BB335F3C8@gmail.com>
Date:   Tue, 26 Sep 2017 21:03:50 +0300
From:   Alexander Kochetkov <al.kochet@...il.com>
To:     Vinod Koul <vinod.koul@...el.com>
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: pl330: fix descriptor allocation fail

Hello Vinod! Thanks for review!

> 26 сент. 2017 г., в 20:37, Vinod Koul <vinod.koul@...el.com> написал(а):
> 
> Tested-by please...

In order to test the patch the driver should be rebuild with NR_DEFAULT_DESC defined to 1
and with some trace code included. Is it OK if I provide second patch I used for testing
with trace showing how change work?

> one more wrapper why, we dont have any logic here!
The idea was to keep rest of driver code intact. Ok, I’ll send v2 with no wrappers.

> right justifed please


Some functions has two tabs on second line, some has alignment to beginning of
argument declaration. How correct?

1) or like this (two tabs)
static int add_desc(struct list_head *pool, spinlock_t *lock,
                gfp_t flg, int count)

2) Like this:
static int add_desc(struct list_head *pool, spinlock_t *lock,
		               gfp_t flg, int count)

Regards,
Alexander.