linux-kernel - Re: [PATCH v2 2/6] soc: sifive: ccache: Rename SiFive L2 cache to Composable cache.

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Message-ID: <2a22c6ac-dc0e-7066-8f5f-04c428c77ee2@microchip.com>
Date:   Mon, 5 Sep 2022 18:46:49 +0000
From:   <Conor.Dooley@...rochip.com>
To:     <zong.li@...ive.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <palmer@...belt.com>,
        <paul.walmsley@...ive.com>, <aou@...s.berkeley.edu>,
        <greentime.hu@...ive.com>, <ben.dooks@...ive.com>, <bp@...en8.de>,
        <devicetree@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-edac@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/6] soc: sifive: ccache: Rename SiFive L2 cache to
 Composable cache.

Noticed a another thing, sorry..

On 05/09/2022 09:31, Zong Li wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> From: Greentime Hu <greentime.hu@...ive.com>
> 
> Since composable cache may be L3 cache if pL2 cache exists, we should use
> its original name composable cache to prevent confusion.
> 
> Apart from renaming, we also add the compatible "sifive,ccache0" into ID
> table.
> 
> Signed-off-by: Greentime Hu <greentime.hu@...ive.com>
> Signed-off-by: Zong Li <zong.li@...ive.com>
> ---
>  drivers/soc/sifive/Kconfig                    |   6 +-
>  drivers/soc/sifive/Makefile                   |   2 +-
>  .../{sifive_l2_cache.c => sifive_ccache.c}    | 163 +++++++++---------
>  .../{sifive_l2_cache.h => sifive_ccache.h}    |  16 +-
>  4 files changed, 94 insertions(+), 93 deletions(-)
>  rename drivers/soc/sifive/{sifive_l2_cache.c => sifive_ccache.c} (35%)
>  rename include/soc/sifive/{sifive_l2_cache.h => sifive_ccache.h} (12%)
> 

> -static ssize_t l2_write(struct file *file, const char __user *data,
> +static ssize_t ccache_write(struct file *file, const char __user *data,
>                         size_t count, loff_t *ppos)

You need to fix the alignment here as per checkpatch:
CHECK: Alignment should match open parenthesis
#112: FILE: drivers/soc/sifive/sifive_ccache.c:53:
+static ssize_t ccache_write(struct file *file, const char __user *data,
+                       size_t count, loff_t *ppos)

>  {
>         unsigned int val;
> @@ -57,75 +57,76 @@ static ssize_t l2_write(struct file *file, const char __user *data,
>         if (kstrtouint_from_user(data, count, 0, &val))
>                 return -EINVAL;
>         if ((val < 0xFF) || (val >= 0x10000 && val < 0x100FF))
> -               writel(val, l2_base + SIFIVE_L2_ECCINJECTERR);
> +               writel(val, ccache_base + SIFIVE_CCACHE_ECCINJECTERR);
>         else
>                 return -EINVAL;
>         return count;
>  }
>