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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: "Yang, Shunyong" <shunyong.yang@hxt-semitech.com>
Cc: "linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Zheng, Joey" <yu.zheng@hxt-semitech.com>
Subject: Re: [PATCH] efi/capsule-loader: Don't output reset log when header flags is not set
Date: Wed, 2 May 2018 09:19:32 +0200	[thread overview]
Message-ID: <CAKv+Gu_QfR0=md3kqQXEufw+3j5BF-hgzfxSy=PTNKrusyUsiw@mail.gmail.com> (raw)
In-Reply-To: <1525224594.2901.4.camel@hxt-semitech.com>

On 2 May 2018 at 03:29, Yang, Shunyong <shunyong.yang@hxt-semitech.com> wrote:
> Hi, Ard,
>
> On Tue, 2018-05-01 at 11:54 +0200, Ard Biesheuvel wrote:
>> On 25 April 2018 at 05:10, Shunyong Yang <shunyong.yang@hxt-semitech.
>> com> wrote:
>> >
>> > It means firmware attempts to immediately process or launch the
>> > capsule
>> > when flags in capsule header is not set. Moreover, reset is not
>> > needed
>> > in this case. Current code will output log to indicate reset.
>> >
>> > This patch adds a branch to avoid reset log output when the flags
>> > is not
>> > set.
>> >
>> > Cc: Joey Zheng <yu.zheng@hxt-semitech.com>
>> > Signed-off-by: Shunyong Yang <shunyong.yang@hxt-semitech.com>
>> > ---
>> >  drivers/firmware/efi/capsule-loader.c | 13 +++++++++----
>> >  1 file changed, 9 insertions(+), 4 deletions(-)
>> >
>> > diff --git a/drivers/firmware/efi/capsule-loader.c
>> > b/drivers/firmware/efi/capsule-loader.c
>> > index e456f4602df1..a63b8e5bde23 100644
>> > --- a/drivers/firmware/efi/capsule-loader.c
>> > +++ b/drivers/firmware/efi/capsule-loader.c
>> > @@ -134,10 +134,15 @@ static ssize_t
>> > efi_capsule_submit_update(struct capsule_info *cap_info)
>> >
>> >         /* Indicate capsule binary uploading is done */
>> >         cap_info->index = NO_FURTHER_WRITE_ACTION;
>> > -       pr_info("Successfully upload capsule file with reboot type
>> > '%s'\n",
>> > -               !cap_info->reset_type ? "RESET_COLD" :
>> > -               cap_info->reset_type == 1 ? "RESET_WARM" :
>> > -               "RESET_SHUTDOWN");
>> > +
>> > +       if (cap_info->header.flags)
>> You should check for the relevant flag bits here, because the 16
>> lower
>> bits are platform dependent.
> In current three bits in flags, CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE and
> CAPSULE_FLAGS_INITIATE_RESET are dependent on
> CAPSULE_FLAGS_PERSIST_ACROSS_RESET.
>
> So, maybe I only need to check CAPSULE_FLAGS_PERSIST_ACROSS_RESET?
>

Yes I think that's fine

>>
>> >
>> > +               pr_info("Successfully upload capsule file with
>> > reboot type '%s'\n",
>> > +                       !cap_info->reset_type ? "RESET_COLD" :
>> > +                       cap_info->reset_type == 1 ? "RESET_WARM" :
>> > +                       "RESET_SHUTDOWN");
>> > +       else
>> > +               pr_info("Successfully upload, process and launch
>> > capsule file\n");
>> > +
>> >         return 0;
>> >  }
>> >
>> > --
>> > 1.8.3.1
>> > --
> To unsubscribe from this list: send the line "unsubscribe linux-efi" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

      reply	other threads:[~2018-05-02  7:19 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-25  3:10 Shunyong Yang
2018-05-01  9:54 ` Ard Biesheuvel
2018-05-02  1:29   ` Yang, Shunyong
2018-05-02  7:19     ` Ard Biesheuvel [this message]

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