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Sat, 07 Feb 2026 20:04:48 -0800 (PST) Received: from dianders.sjc.corp.google.com ([2a00:79e0:2e7c:8:6d43:22d7:40eb:81e6]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-127041e61b9sm7085064c88.8.2026.02.07.20.04.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Feb 2026 20:04:47 -0800 (PST) From: Douglas Anderson To: jassisinghbrar@gmail.com Cc: Douglas Anderson , Santosh Shilimkar , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, nm@ti.com Subject: [PATCH v2 14/15] soc: ti: wkup_m3_ipc: Use mbox_ring_doorbell() instead of NULL message Date: Sat, 7 Feb 2026 20:01:36 -0800 Message-ID: <20260207200128.v2.14.I0334ef23106cca2014f28ae56930741ca9238105@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 --- (no changes since v1) drivers/soc/ti/wkup_m3_ipc.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c index 5845fc652adc..9f74f2dfc217 100644 --- a/drivers/soc/ti/wkup_m3_ipc.c +++ b/drivers/soc/ti/wkup_m3_ipc.c @@ -328,9 +328,9 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc) * the RX callback to avoid multiple interrupts being received * by the CM3. */ - ret =3D mbox_send_message(m3_ipc->mbox, NULL); + ret =3D mbox_ring_doorbell(m3_ipc->mbox); if (ret < 0) { - dev_err(dev, "%s: mbox_send_message() failed: %d\n", + dev_err(dev, "%s: mbox_ring_doorbell() failed: %d\n", __func__, ret); return ret; } @@ -343,7 +343,6 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc) return -EIO; } =20 - mbox_client_txdone(m3_ipc->mbox, 0); return 0; } =20 @@ -358,14 +357,13 @@ static int wkup_m3_ping_noirq(struct wkup_m3_ipc *m3_= ipc) return -EIO; } =20 - ret =3D mbox_send_message(m3_ipc->mbox, NULL); + ret =3D mbox_ring_doorbell(m3_ipc->mbox); if (ret < 0) { - dev_err(dev, "%s: mbox_send_message() failed: %d\n", + dev_err(dev, "%s: mbox_ring_doorbell() failed: %d\n", __func__, ret); return ret; } =20 - mbox_client_txdone(m3_ipc->mbox, 0); return 0; } =20 --=20 2.53.0.rc2.204.g2597b5adb4-goog