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Tue, 30 Sep 2025 00:44:01 -0700 (PDT) From: Jinhui Guo To: corey@minyard.net Cc: openipmi-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, guojinhui.liam@bytedance.com Subject: [PATCH v2 3/3] ipmi: Skip channel scan if channels are already marked ready Date: Tue, 30 Sep 2025 15:42:39 +0800 Message-Id: <20250930074239.2353-4-guojinhui.liam@bytedance.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20250930074239.2353-1-guojinhui.liam@bytedance.com> References: <20250930074239.2353-1-guojinhui.liam@bytedance.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Channels remain static unless the BMC firmware changes. Therefore, rescanning is unnecessary while they are marked ready and no BMC update has occurred. Signed-off-by: Jinhui Guo --- drivers/char/ipmi/ipmi_msghandler.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_m= sghandler.c index 536484b8e52d..db8ef2e46488 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -3439,6 +3439,10 @@ static int __scan_channels(struct ipmi_smi *intf, intf->channels_ready =3D false; } =20 + /* Skip channel scan if channels are already marked ready */ + if (intf->channels_ready) + return 0; + if (ipmi_version_major(id) > 1 || (ipmi_version_major(id) =3D=3D 1 && ipmi_version_minor(id) >=3D 5)) { --=20 2.20.1