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Sat, 07 Feb 2026 20:04:33 -0800 (PST) Received: from dianders.sjc.corp.google.com ([2a00:79e0:2e7c:8:6d43:22d7:40eb:81e6]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-127041e61b9sm7085064c88.8.2026.02.07.20.04.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Feb 2026 20:04:31 -0800 (PST) From: Douglas Anderson To: jassisinghbrar@gmail.com Cc: Douglas Anderson , andersson@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, mathieu.poirier@linaro.org Subject: [PATCH v2 09/15] rpmsg: glink: smem: Use mbox_ring_doorbell() instead of NULL message Date: Sat, 7 Feb 2026 20:01:31 -0800 Message-ID: <20260207200128.v2.9.I6973a32c3fcd6d2edebdd6fd868fe0a046420ed5@changeid> X-Mailer: git-send-email 2.53.0.rc2.204.g2597b5adb4-goog In-Reply-To: <20260208040240.1971442-1-dianders@chromium.org> References: <20260208040240.1971442-1-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. Signed-off-by: Douglas Anderson Acked-by: Bjorn Andersson --- (no changes since v1) drivers/rpmsg/qcom_glink_smem.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/rpmsg/qcom_glink_smem.c b/drivers/rpmsg/qcom_glink_sme= m.c index 7a982c60a8dd..f2a6d94e72ea 100644 --- a/drivers/rpmsg/qcom_glink_smem.c +++ b/drivers/rpmsg/qcom_glink_smem.c @@ -197,8 +197,7 @@ static void glink_smem_tx_kick(struct qcom_glink_pipe *= glink_pipe) struct glink_smem_pipe *pipe =3D to_smem_pipe(glink_pipe); struct qcom_glink_smem *smem =3D pipe->smem; =20 - mbox_send_message(smem->mbox_chan, NULL); - mbox_client_txdone(smem->mbox_chan, 0); + mbox_ring_doorbell(smem->mbox_chan); } =20 static irqreturn_t qcom_glink_smem_intr(int irq, void *data) --=20 2.53.0.rc2.204.g2597b5adb4-goog