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Mon, 16 Feb 2026 10:11:40 -0800 (PST) Received: from dianders.sjc.corp.google.com ([2a00:79e0:2e7c:8:2953:dae1:1e39:73b3]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-12742c64282sm13724326c88.5.2026.02.16.10.11.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Feb 2026 10:11:38 -0800 (PST) From: Douglas Anderson To: jassisinghbrar@gmail.com Cc: Douglas Anderson , Bjorn Andersson , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, mathieu.poirier@linaro.org Subject: [PATCH v3 08/15] rpmsg: qcom_glink_rpm: Use mbox_ring_doorbell() instead of NULL message Date: Mon, 16 Feb 2026 10:09:45 -0800 Message-ID: <20260216100943.v3.8.I700ba93ec437db5100c0076941d8470344ea9995@changeid> X-Mailer: git-send-email 2.53.0.273.g2a3d683680-goog In-Reply-To: <20260216181002.3475421-1-dianders@chromium.org> References: <20260216181002.3475421-1-dianders@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" As per the patch ("mailbox: Deprecate NULL mbox messages; Introduce mbox_ring_doorbell()"), we want to switch all users of NULL mailbox messages to use mbox_ring_doorbell(). This client only ever sent NULL messages, so the transition is straightforward. We can remove the call to mbox_client_txdone(). The call didn't do anything for NULL messages and it's now officially documented not to be called for doorbells. Acked-by: Bjorn Andersson Signed-off-by: Douglas Anderson --- (no changes since v1) drivers/rpmsg/qcom_glink_rpm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/rpmsg/qcom_glink_rpm.c b/drivers/rpmsg/qcom_glink_rpm.c index e3ba2c63a5fc..4cb9c36adcd4 100644 --- a/drivers/rpmsg/qcom_glink_rpm.c +++ b/drivers/rpmsg/qcom_glink_rpm.c @@ -197,8 +197,7 @@ static void glink_rpm_tx_kick(struct qcom_glink_pipe *g= link_pipe) struct glink_rpm_pipe *pipe =3D to_rpm_pipe(glink_pipe); struct glink_rpm *rpm =3D container_of(pipe, struct glink_rpm, tx_pipe); =20 - mbox_send_message(rpm->mbox_chan, NULL); - mbox_client_txdone(rpm->mbox_chan, 0); + mbox_ring_doorbell(rpm->mbox_chan); } =20 static irqreturn_t qcom_glink_rpm_intr(int irq, void *data) --=20 2.53.0.273.g2a3d683680-goog