From patchwork Fri Mar 22 13:25:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 783357 Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) (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 0D6946169F for ; Fri, 22 Mar 2024 13:27:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711114031; cv=none; b=K2gGaP2B92ZQVPiBrL97pThYPvwavMWA4KinZ+L34rcvIZO+1PaLnaKNYP3pVIKf60LAKbQObViGExkfYw5aJFcpocN/JY0bJGO6zghE0a6EHIOqE97JYn+LWOGP1G58pOtVHIrurdFVDsoZjJ+/92K8Lku2cXD7QRHY2XjuA60= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711114031; c=relaxed/simple; bh=d93/wLGnI5/n0fe59/25C/Z1j+ZGzmWXJC4x/8Nz3Pc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GLZ9I63HrzNqnO8S5vMS18T/EyQAopAydhXbFeJeE/sG47whdgfidbnEq9F0XP/SRGhFdrRGAMbyFTXxC6FDKgdCCpZdnqqASkrb9Z+WzHZQI8PP0zZEn+FNAhEbJdw/U5MDtb10YkDqvVwTEBCzb3FOrE5gg+Y8t4IOrdxxClU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=JCMAymug; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="JCMAymug" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; s=k1; bh=IJHYhfVob2IIWsQ5AQJ5s3UyVYL/b57GkPzyj7v/jBg=; b=JCMAym uga3ra3pl3AOnmrwJi+DoCpjdViinewm+Jrkxp2tUUg5+4qvjHsMoVJDnMYzdOdP Rc9GL2yFF8CmeEY+oX5O+hrHfZnckry2xlToCZuJ6LGvjDwBU5cOzQyv2kkXRdmv JS8OVBwmZTDS9PqcEF99N57dVzwLQNXwvDxMeuCmtqBC9eaMDIlFM+YAyZRwLtLq t5+4ttz9MxH3DOPGqSiIR+S1pd7/p7+DiPO2hygssgv3ZBw4OYt9TxJe4g1/TBn9 FJlquben0fO4ZN1YD/GYRLqXAxwBY63oNrCbfL+VHWLFG49I55JAP1XwVl3IJqVx x3fhs7hLAXxyq6IA== Received: (qmail 3871264 invoked from network); 22 Mar 2024 14:26:51 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 22 Mar 2024 14:26:51 +0100 X-UD-Smtp-Session: l3s3148p1@y13Wxj8UVLBehhtF From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: Wolfram Sang , Stefan Roese , Andi Shyti , Matthias Brugger , AngeloGioacchino Del Regno , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH 37/64] i2c: mt7621: reword according to newest specification Date: Fri, 22 Mar 2024 14:25:30 +0100 Message-ID: <20240322132619.6389-38-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240322132619.6389-1-wsa+renesas@sang-engineering.com> References: <20240322132619.6389-1-wsa+renesas@sang-engineering.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Match the wording of this driver wrt. the newest I2C v7, SMBus 3.2, I3C specifications and replace "master/slave" with more appropriate terms. They are also more specific because we distinguish now between a remote entity ("client") and a local one ("target"). Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-mt7621.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/i2c/busses/i2c-mt7621.c b/drivers/i2c/busses/i2c-mt7621.c index 81d46169bc1f..c567a2cf4a90 100644 --- a/drivers/i2c/busses/i2c-mt7621.c +++ b/drivers/i2c/busses/i2c-mt7621.c @@ -117,26 +117,26 @@ static int mtk_i2c_check_ack(struct mtk_i2c *i2c, u32 expected) return ((ack & ack_expected) == ack_expected) ? 0 : -ENXIO; } -static int mtk_i2c_master_start(struct mtk_i2c *i2c) +static int mtk_i2c_host_start(struct mtk_i2c *i2c) { iowrite32(SM0CTL1_START | SM0CTL1_TRI, i2c->base + REG_SM0CTL1_REG); return mtk_i2c_wait_idle(i2c); } -static int mtk_i2c_master_stop(struct mtk_i2c *i2c) +static int mtk_i2c_host_stop(struct mtk_i2c *i2c) { iowrite32(SM0CTL1_STOP | SM0CTL1_TRI, i2c->base + REG_SM0CTL1_REG); return mtk_i2c_wait_idle(i2c); } -static int mtk_i2c_master_cmd(struct mtk_i2c *i2c, u32 cmd, int page_len) +static int mtk_i2c_host_cmd(struct mtk_i2c *i2c, u32 cmd, int page_len) { iowrite32(cmd | SM0CTL1_TRI | SM0CTL1_PGLEN(page_len), i2c->base + REG_SM0CTL1_REG); return mtk_i2c_wait_idle(i2c); } -static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, +static int mtk_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) { struct mtk_i2c *i2c; @@ -157,7 +157,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, goto err_timeout; /* start sequence */ - ret = mtk_i2c_master_start(i2c); + ret = mtk_i2c_host_start(i2c); if (ret) goto err_timeout; @@ -169,14 +169,14 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, if (pmsg->flags & I2C_M_RD) addr |= 1; iowrite32(addr, i2c->base + REG_SM0D0_REG); - ret = mtk_i2c_master_cmd(i2c, SM0CTL1_WRITE, 2); + ret = mtk_i2c_host_cmd(i2c, SM0CTL1_WRITE, 2); if (ret) goto err_timeout; } else { /* 7 bits address */ addr = i2c_8bit_addr_from_msg(pmsg); iowrite32(addr, i2c->base + REG_SM0D0_REG); - ret = mtk_i2c_master_cmd(i2c, SM0CTL1_WRITE, 1); + ret = mtk_i2c_host_cmd(i2c, SM0CTL1_WRITE, 1); if (ret) goto err_timeout; } @@ -202,7 +202,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, cmd = SM0CTL1_WRITE; } - ret = mtk_i2c_master_cmd(i2c, cmd, page_len); + ret = mtk_i2c_host_cmd(i2c, cmd, page_len); if (ret) goto err_timeout; @@ -222,7 +222,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, } } - ret = mtk_i2c_master_stop(i2c); + ret = mtk_i2c_host_stop(i2c); if (ret) goto err_timeout; @@ -230,7 +230,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, return i; err_ack: - ret = mtk_i2c_master_stop(i2c); + ret = mtk_i2c_host_stop(i2c); if (ret) goto err_timeout; return -ENXIO; @@ -247,7 +247,7 @@ static u32 mtk_i2c_func(struct i2c_adapter *a) } static const struct i2c_algorithm mtk_i2c_algo = { - .master_xfer = mtk_i2c_master_xfer, + .xfer = mtk_i2c_xfer, .functionality = mtk_i2c_func, };