From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=185.246.85.4 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793789371; b=rFquUizhWxEunvvSdUNodb79elXorUaUtgdWgqGPZUDUpvaAIpqFUEjIjDGzwSVP8iH4 Kq1bjPlN29vcWFjt6JFxEsJGu8K8vIrFG73a1yex0ENR4qDGxBA6K29WIDBcwg2ULmIm/ qAgyUI3zzZPONhD5+9NtukUOtJiLPtC6Gmm2ZBT4qwz1op10W4UlIbjVChXuzV4GIf7Wp GhyjvZ5UGglZDyt5hU29kYBa8hWRKGOv8ISAbb0577YiLrCWDID/oyxMTBVg6zvKpF2xK PgS9J/I0P4sHQyp3Wln3KAg8tiq4bhbfxC6DqmKmUvqxACF/aZYlTdwN7Ru8MBSSNqQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793789371; h=DMARC-Filter:Received:Received:Received:DKIM-Signature:From:To:Cc: Subject:Date:Message-ID:X-Mailer:MIME-Version: Content-Transfer-Encoding:X-Last-TLS-Session-Version; bh=PeiTE4L7cDiBX3okf4cJ5RjaFHsp1BNxTKSquB0awMA=; b=YfEzeUiUnGq4JtF3KaC2R8qnxyO5PB5huB604yfNEjL0lQ97n0N5CBimuRhA2vj+CRo8 tg6bzaTjGhxfZDFDwDeLxKSHShRsy7oI31fEA39jQz+DLxJWmN5Y13X/zxjl2Q+H0dGqG /UNV7AsXMItg3/EsXTKPL5R0lzWPFzPCjvegzVrLA6suCb8V77ui0Ptk9ihXi2JvhJldB oKr0IqeYtg/8dL0CTwLDNEKA6kqtioLRbteExH8fsmhQNX+QjqqaQMwMb4rfcdLQL06N/ a2HianuqZJGik7lkpyzTzPf8htdy7az5qj5dkph/BMgiIIeOaaBqgp1qNqAwhAhtHAg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=dkim header.b=x8mLVKv2; arc=none smtp.remote-ip=185.246.85.4 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A6731606A32F for ; Wed, 4 Nov 2026 10:49:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org A6731606A32F Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=dkim header.b=x8mLVKv2 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id ED5ED4E413F7; Wed, 4 Nov 2026 10:49:27 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id C1FF760770; Wed, 4 Nov 2026 10:49:27 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 71047103291F6; Wed, 4 Nov 2026 11:49:23 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1793789366; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding; bh=PeiTE4L7cDiBX3okf4cJ5RjaFHsp1BNxTKSquB0awMA=; b=x8mLVKv2sDXPU0x8hMssSMe27NlCxzyArdGIYh63Rlv8YSvaAirqVpPCOKgJVrhHdvIhVU vWKsYx/NQ+Vv+bGQOMbONBFzWnPkr9xvtQjrhgaDvhcwtq2DpdkRBJFS8c9zngaObe9FUl IAvMekqKXmK3RUBOGr5OXVw3t5N4YWHZnpSYOIfzuG+p4ZgXYS48EoRKKqhQ8EDbSA4TWB P+rZPAeSJ9K0SxtolQfgB8enrQ7dhJQnA0846z4fiKfKcNhtU0T2mVyWBPCx58zoV7k+0Z 2cPydq3w+78qbXt42kLJvvy5Qg2GPFNBXvJbhwxr2yKBQnR2m2M2v+8JMIL8VQ== From: Paul Cercueil To: Robert Richter , Andi Shyti Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Petazzoni , Sunil Kovvuri Goutham , Umesh Kumar , Shashank Gupta , Tanmay Jagdale , Paul Cercueil Subject: [PATCH 0/3] i2c: octeon/thunderx: Fix DMA mask + improvements Date: Wed, 4 Nov 2026 11:49:09 +0100 Message-ID: <20261104104912.166301-1-paul.cercueil@bootlin.com> X-Mailer: git-send-email 2.47.3 X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Hi Robert, Andi, This patchset adds a fix to the ThunderX driver where the DMA mask was not set, sometimes preventing MSI-X from being initialized properly. The first patch improves error handling on the bus, and the third patch improves the latency in HS mode. Cheers, -Paul Tanmay Jagdale (3): i2c: octeon: Add error state recovery i2c: thunderx: Set DMA mask i2c: thunderx: Use polling with delay in HS mode drivers/i2c/busses/i2c-octeon-core.c | 31 ++++++++++++++---------- drivers/i2c/busses/i2c-thunderx-pcidrv.c | 4 +++ 2 files changed, 22 insertions(+), 13 deletions(-) -- 2.47.3