linux-kernel - Re: [PATCH v3 5/6] soc: sifive: ccache: use pr

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Message-ID: <CANXhq0rRZhPtrpRQOnwbJj-GRVSCHErLxvGnPAxqfJBk8rNRPQ@mail.gmail.com>
Date:   Mon, 12 Sep 2022 14:40:55 +0800
From:   Zong Li <zong.li@...ive.com>
To:     Conor Dooley <Conor.Dooley@...rochip.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        krzysztof.kozlowski+dt@...aro.org,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Greentime Hu <greentime.hu@...ive.com>,
        Ben Dooks <ben.dooks@...ive.com>, bp@...en8.de,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        linux-edac@...r.kernel.org,
        "linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 5/6] soc: sifive: ccache: use pr_fmt() to remove
 CCACHE: prefixes

On Fri, Sep 9, 2022 at 2:40 AM <Conor.Dooley@...rochip.com> wrote:
>
> On 08/09/2022 15:44, Zong Li wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > From: Ben Dooks <ben.dooks@...ive.com>
> >
> > Use the pr_fmt() macro to prefix all the output with "CCACHE:"
> > to avoid having to write it out each time, or make a large diff
> > when the next change comes along.
> >
> > Signed-off-by: Ben Dooks <ben.dooks@...ive.com>
> > Signed-off-by: Zong Li <zong.li@...ive.com>
> > Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
>
> btw, I think Ben missed a print - a pr_err() in init().
>

I got that one, I will fix it in v4

> > ---
> >  drivers/soc/sifive/sifive_ccache.c | 15 +++++++++------
> >  1 file changed, 9 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/soc/sifive/sifive_ccache.c b/drivers/soc/sifive/sifive_ccache.c
> > index 58d14f11a63a..b3929c4d6d5b 100644
> > --- a/drivers/soc/sifive/sifive_ccache.c
> > +++ b/drivers/soc/sifive/sifive_ccache.c
> > @@ -5,6 +5,9 @@
> >   * Copyright (C) 2018-2022 SiFive, Inc.
> >   *
> >   */
> > +
> > +#define pr_fmt(fmt) "CCACHE: " fmt
> > +
> >  #include <linux/debugfs.h>
> >  #include <linux/interrupt.h>
> >  #include <linux/of_irq.h>
> > @@ -85,13 +88,13 @@ static void ccache_config_read(void)
> >
> >         cfg = readl(ccache_base + SIFIVE_CCACHE_CONFIG);
> >
> > -       pr_info("CCACHE: %u banks, %u ways, sets/bank=%llu, bytes/block=%llu\n",
> > +       pr_info("%u banks, %u ways, sets/bank=%llu, bytes/block=%llu\n",
> >                 (cfg & 0xff), (cfg >> 8) & 0xff,
> >                 BIT_ULL((cfg >> 16) & 0xff),
> >                 BIT_ULL((cfg >> 24) & 0xff));
> >
> >         cfg = readl(ccache_base + SIFIVE_CCACHE_WAYENABLE);
> > -       pr_info("CCACHE: Index of the largest way enabled: %u\n", cfg);
> > +       pr_info("Index of the largest way enabled: %u\n", cfg);
> >  }
> >
> >  static const struct of_device_id sifive_ccache_ids[] = {
> > @@ -155,7 +158,7 @@ static irqreturn_t ccache_int_handler(int irq, void *device)
> >         if (irq == g_irq[DIR_CORR]) {
> >                 add_h = readl(ccache_base + SIFIVE_CCACHE_DIRECCFIX_HIGH);
> >                 add_l = readl(ccache_base + SIFIVE_CCACHE_DIRECCFIX_LOW);
> > -               pr_err("CCACHE: DirError @ 0x%08X.%08X\n", add_h, add_l);
> > +               pr_err("DirError @ 0x%08X.%08X\n", add_h, add_l);
> >                 /* Reading this register clears the DirError interrupt sig */
> >                 readl(ccache_base + SIFIVE_CCACHE_DIRECCFIX_COUNT);
> >                 atomic_notifier_call_chain(&ccache_err_chain,
> > @@ -175,7 +178,7 @@ static irqreturn_t ccache_int_handler(int irq, void *device)
> >         if (irq == g_irq[DATA_CORR]) {
> >                 add_h = readl(ccache_base + SIFIVE_CCACHE_DATECCFIX_HIGH);
> >                 add_l = readl(ccache_base + SIFIVE_CCACHE_DATECCFIX_LOW);
> > -               pr_err("CCACHE: DataError @ 0x%08X.%08X\n", add_h, add_l);
> > +               pr_err("DataError @ 0x%08X.%08X\n", add_h, add_l);
> >                 /* Reading this register clears the DataError interrupt sig */
> >                 readl(ccache_base + SIFIVE_CCACHE_DATECCFIX_COUNT);
> >                 atomic_notifier_call_chain(&ccache_err_chain,
> > @@ -185,7 +188,7 @@ static irqreturn_t ccache_int_handler(int irq, void *device)
> >         if (irq == g_irq[DATA_UNCORR]) {
> >                 add_h = readl(ccache_base + SIFIVE_CCACHE_DATECCFAIL_HIGH);
> >                 add_l = readl(ccache_base + SIFIVE_CCACHE_DATECCFAIL_LOW);
> > -               pr_err("CCACHE: DataFail @ 0x%08X.%08X\n", add_h, add_l);
> > +               pr_err("DataFail @ 0x%08X.%08X\n", add_h, add_l);
> >                 /* Reading this register clears the DataFail interrupt sig */
> >                 readl(ccache_base + SIFIVE_CCACHE_DATECCFAIL_COUNT);
> >                 atomic_notifier_call_chain(&ccache_err_chain,
> > @@ -227,7 +230,7 @@ static int __init sifive_ccache_init(void)
> >                 rc = request_irq(g_irq[i], ccache_int_handler, 0, "ccache_ecc",
> >                                  NULL);
> >                 if (rc) {
> > -                       pr_err("CCACHE: Could not request IRQ %d\n", g_irq[i]);
> > +                       pr_err("Could not request IRQ %d\n", g_irq[i]);
> >                         return rc;
> >                 }
> >         }
> > --
> > 2.17.1
> >
>