From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 93A3946C4AE; Tue, 21 Jul 2026 17:52:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656353; cv=none; b=dFBPs9TSJZ5kNGe4SzAY5gTOk3scY7RsYNSEbUX3TS/oEx7Ljz9ofD6aW4adzKff+D1ia+7B62+Rox11N2w1BLYp26/Cck6V0oSDOePQ/+NuQpouQhqPrTO7Jun+9xvs90BjJLYd8g23rEvoz0RxWgR/zaER7LwVlUhpQ4IGhPA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656353; c=relaxed/simple; bh=J9l1VL6JXRge4KHln7G/A8g8p8ng//ZuUb1aEtHRWw0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DLrqtWNZ3gmRzNo+U9t/+Spp4D7e7wfGqDdfly0db/T0eceG8EG0mNcyYPMsDtspkzpzIBov84RfcG/PalLi70fmnW/4Yy+ZuhFkwhVF2xzK6Mn9m7iHvUS+BW6A9gylOV3mLJtfc4v8RVJK06xyQ0rPCO9/3LYKthCgPQeZ+FI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=TlCnzFsM; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="TlCnzFsM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06D491F000E9; Tue, 21 Jul 2026 17:52:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784656352; bh=4E6lynj7cQb8i/rzZiUES2GYQDPj4PJtYFCXRwDjlhI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=TlCnzFsMchEy1CLShUvvvI0Tm0mGX8sFY5N0Z/1OyQ2HUH5OQ/KQKDrIAxHGqqiip 5a/6PdbdJaxOHM2/bQr3hbSi1Xl9D1McJrRcOJiT1QxeMm2kh8lsYJWDJq8HtA+ow4 5YdVTusHtOluxBIVZEbDaAik6oUNtnRFPBL1U9Fs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Frieder Schrempf , Frank Li , Sasha Levin Subject: [PATCH 6.18 0355/1611] arm64: dts: imx8mp-kontron: Reduce EERAM SPI clock frequency Date: Tue, 21 Jul 2026 17:07:51 +0200 Message-ID: <20260721152523.126717856@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152514.750365251@linuxfoundation.org> References: <20260721152514.750365251@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Frieder Schrempf [ Upstream commit 95f5bc1632ab8f243e517357b5da0dd28d1c6c92 ] There is an onboard level shifter for the SPI signals that causes additional propagation delay and renders the SPI transmission unreliable at 20 MHz. Reduce the clock frequency to a safe value. Fixes: 946ab10e3f40 ("arm64: dts: Add support for Kontron OSM-S i.MX8MP SoM and BL carrier board") Signed-off-by: Frieder Schrempf Signed-off-by: Frank Li Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts b/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts index 0924ac50fd2dbc..75ae4664278214 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts @@ -63,7 +63,7 @@ &ecspi2 { eeram@0 { compatible = "microchip,48l640"; reg = <0>; - spi-max-frequency = <20000000>; + spi-max-frequency = <16000000>; }; }; -- 2.53.0