{"id":2196964,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2196964/?format=json","project":{"id":21,"url":"http://patchwork.ozlabs.org/api/1.0/projects/21/?format=json","name":"Linux Tegra Development","link_name":"linux-tegra","list_id":"linux-tegra.vger.kernel.org","list_email":"linux-tegra@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260216100943.v3.5.If1255977439f4cdbb3193f73f90a784566254f15@changeid>","date":"2026-02-16T18:09:42","name":"[v3,05/15] firmware: tegra: bpmp: Use mbox_ring_doorbell() instead of NULL message","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4203cb3c1be1fea93387c1d8d992f23a60ec2869","submitter":{"id":9763,"url":"http://patchwork.ozlabs.org/api/1.0/people/9763/?format=json","name":"Douglas Anderson","email":"dianders@chromium.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260216100943.v3.5.If1255977439f4cdbb3193f73f90a784566254f15@changeid/mbox/","series":[{"id":492341,"url":"http://patchwork.ozlabs.org/api/1.0/series/492341/?format=json","date":"2026-02-16T18:09:37","name":"mailbox: Stop sending NULL mailbox messages","version":3,"mbox":"http://patchwork.ozlabs.org/series/492341/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2196964/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=chromium.org header.i=@chromium.org header.a=rsa-sha256\n header.s=google header.b=g56neX0x;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c15:e001:75::12fc:5321; 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Introduce\nmbox_ring_doorbell()\"), we want to switch all users of NULL mailbox\nmessages to use mbox_ring_doorbell().\n\nThis client only ever sent NULL messages, so the transition is\nstraightforward. We can remove the call to mbox_client_txdone(). The\ncall didn't do anything for NULL messages and it's now officially\ndocumented not to be called for doorbells.\n\nSigned-off-by: Douglas Anderson \n---\n\n(no changes since v1)\n\n drivers/firmware/tegra/bpmp-tegra186.c | 4 +---\n 1 file changed, 1 insertion(+), 3 deletions(-)","diff":"diff --git a/drivers/firmware/tegra/bpmp-tegra186.c b/drivers/firmware/tegra/bpmp-tegra186.c\nindex 64863db7a715..c45ea66aabfb 100644\n--- a/drivers/firmware/tegra/bpmp-tegra186.c\n+++ b/drivers/firmware/tegra/bpmp-tegra186.c\n@@ -84,12 +84,10 @@ static int tegra186_bpmp_ring_doorbell(struct tegra_bpmp *bpmp)\n \tstruct tegra186_bpmp *priv = bpmp->priv;\n \tint err;\n \n-\terr = mbox_send_message(priv->mbox.channel, NULL);\n+\terr = mbox_ring_doorbell(priv->mbox.channel);\n \tif (err < 0)\n \t\treturn err;\n \n-\tmbox_client_txdone(priv->mbox.channel, 0);\n-\n \treturn 0;\n }\n \n","prefixes":["v3","05/15"]}