From nobody Sun Oct 5 21:48:08 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7272A269806; Wed, 30 Jul 2025 09:35:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753868139; cv=none; b=I+lmfC4eNcVKms/sGXVlyRnnXbaV+AyKLof1FmZSHu+zfLW/d4bM+AEvmjiAnj1viNfcPLT+EqxCczhDGWrLYTY4CX0c1GixRLEwH8ptBWLPHFo+onuyptjnEKTNM9vTXTusPOAAubWeJFf20/2BNEfvj4r3lr5ofjjFzUPr4X8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753868139; c=relaxed/simple; bh=gPmFOCUj56gB0mgUUsKxqdENITaoV8SNoAcVzVDUVXQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=VHUr5TjMlA8fwkCUt6WW0K6k+QsCsjeio5BkpZ8uSumJvogzdb/G3qiDmfDuNRxO4+MWkzgdajFjy4YvNWFEMekuymlANWsJHf/CGPWyxTpsUZptF+IHJz2LcjNvQLXvUteJrsMeXtTkAHdkuJVwk9S1+98p39ZuELoCKHE4+Mg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gUey1day; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gUey1day" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B07B0C4CEF6; Wed, 30 Jul 2025 09:35:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753868137; bh=gPmFOCUj56gB0mgUUsKxqdENITaoV8SNoAcVzVDUVXQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=gUey1daysHX4CjFYuMEGjnbmPolvDXae9NnSIwYiFjcedOZLw+Z1H91EszY3i9Bc+ RQb/4FH768f4vRWIXstiydvBg+lsjMHIYvVN+AQ0Luf2kvzaT/+ifGBQ7GjMRHFqct tLb1O8mFe9RIBntuWpGyZY+EnmBlnKZdEPAXnHzfDreCdthUu7eGCtl3xQ1/l1Kxe5 AYTdZjvbTKquJpRVroXwWZ5ko5AHCLbaAde97Nidc33PwK9Cmfdm7LwL1SMxNmoOhU UCe10rrtQlM4Jt4MzH4+scSeEZXRR7w5bPsNNJosKHQPaDrtTYSR9/fDH1RhxNM6ij rZmNU67Z9qVvw== From: Konrad Dybcio Date: Wed, 30 Jul 2025 11:33:31 +0200 Subject: [PATCH RFC 4/6] i2c: qcom-geni: Hint GENI protocol ID to GPI DMA Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250730-topic-dma_genise_cookie-v1-4-b505c1238f9f@oss.qualcomm.com> References: <20250730-topic-dma_genise_cookie-v1-0-b505c1238f9f@oss.qualcomm.com> In-Reply-To: <20250730-topic-dma_genise_cookie-v1-0-b505c1238f9f@oss.qualcomm.com> To: Vinod Koul , Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Ludovic Desroches , Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Paul Cercueil , Eugeniy Paltsev , Viresh Kumar , Andy Shevchenko , Frank Li , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Taichi Sugaya , Takao Orito , =?utf-8?q?Andreas_F=C3=A4rber?= , Manivannan Sadhasivam , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Geert Uytterhoeven , Magnus Damm , Patrice Chotard , Linus Walleij , =?utf-8?q?Am=C3=A9lie_Delaunay?= , Maxime Coquelin , Alexandre Torgue , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Laxman Dewangan , Jon Hunter , Thierry Reding , Peter Ujfalusi , Kunihiko Hayashi , Masami Hiramatsu , Michal Simek , Laurent Pinchart , Rob Herring , Saravana Kannan , =?utf-8?q?Martin_Povi=C5=A1er?= , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Kuninori Morimoto , Mukesh Kumar Savaliya , Viken Dadhaniya , Andi Shyti , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: Marijn Suijten , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-mips@vger.kernel.org, imx@lists.linux.dev, linux-actions@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-sound@vger.kernel.org, linux-i2c@vger.kernel.org, linux-spi@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1753868049; l=1290; i=konrad.dybcio@oss.qualcomm.com; s=20230215; h=from:subject:message-id; bh=I3VYNNnaYUUJT+yNxJu2LDKZ0p5QFLebL1fPwM6iQcU=; b=r8aKTBYPiwfltdkmnV7Jw0zxdzT1E+Hq8RSvGglxlhd/28VcOh7CqbzzK2Fs5vifRSyZ6bAiZ 4ZgyjRNT4cvDIvkGt7EnjNhvpWuKR/4k4cVpRwSghCBSCh7hc6aFGyn X-Developer-Key: i=konrad.dybcio@oss.qualcomm.com; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= From: Konrad Dybcio With the API in place, request the correct protocol ID with the GPI DMA to avoid having to hardcode this obvious information in the device tree. Signed-off-by: Konrad Dybcio --- drivers/i2c/busses/i2c-qcom-geni.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qc= om-geni.c index ff2289b52c84ccf9ef786c2618bd869453c5f611..4c702ee728d6cc9282688bc278b= d401f3de3266a 100644 --- a/drivers/i2c/busses/i2c-qcom-geni.c +++ b/drivers/i2c/busses/i2c-qcom-geni.c @@ -754,14 +754,14 @@ static int setup_gpi_dma(struct geni_i2c_dev *gi2c) int ret; =20 geni_se_select_mode(&gi2c->se, GENI_GPI_DMA); - gi2c->tx_c =3D dma_request_chan(gi2c->se.dev, "tx"); + gi2c->tx_c =3D dma_request_chan_w_data(gi2c->se.dev, "tx", (void *)GENI_S= E_I2C); if (IS_ERR(gi2c->tx_c)) { ret =3D dev_err_probe(gi2c->se.dev, PTR_ERR(gi2c->tx_c), "Failed to get tx DMA ch\n"); goto err_tx; } =20 - gi2c->rx_c =3D dma_request_chan(gi2c->se.dev, "rx"); + gi2c->rx_c =3D dma_request_chan_w_data(gi2c->se.dev, "rx", (void *)GENI_S= E_I2C); if (IS_ERR(gi2c->rx_c)) { ret =3D dev_err_probe(gi2c->se.dev, PTR_ERR(gi2c->rx_c), "Failed to get rx DMA ch\n"); --=20 2.50.1