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Thu, 04 Jan 2024 06:52:28 -0800 (PST) Received: from [127.0.1.1] ([79.115.23.25]) by smtp.gmail.com with ESMTPSA id k24-20020a056402049800b00555e52fed52sm7970592edv.91.2024.01.04.06.52.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jan 2024 06:52:28 -0800 (PST) From: Abel Vesa Date: Thu, 04 Jan 2024 16:52:11 +0200 Subject: [PATCH 1/2] phy: qualcomm: eusb2-repeater: Fix the regfields for multiple instances Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-phy-qcom-eusb2-repeater-fixes-v1-1-047b7b6b8333@linaro.org> References: <20240104-phy-qcom-eusb2-repeater-fixes-v1-0-047b7b6b8333@linaro.org> In-Reply-To: <20240104-phy-qcom-eusb2-repeater-fixes-v1-0-047b7b6b8333@linaro.org> To: Bjorn Andersson , Konrad Dybcio , Vinod Koul , Kishon Vijay Abraham I Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Abel Vesa X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=2217; i=abel.vesa@linaro.org; h=from:subject:message-id; bh=GBupTnz16tRW20CMsCR0zbSfZA0/1o+u+nwhSpb/+hg=; b=owEBbQKS/ZANAwAKARtfRMkAlRVWAcsmYgBllsYnkiZEJ2ippfJ4YOmJHOtwfvnPW4tdNoU63 9GcXv2t91mJAjMEAAEKAB0WIQRO8+4RTnqPKsqn0bgbX0TJAJUVVgUCZZbGJwAKCRAbX0TJAJUV VuqaD/9GVe1aAodgsSe7hiRo3X1qEr2g4Aeq/yTsLR3B39oPuRDl3pt654Y3Pg8R7VoZY26NLNE BcxraqReoegqo8rhI00yrd0REuYL+cu3T6341Q4pQKmVLZxhH9+V0ZUvE3eImTwOYKho2ruB7AE uye/FilmWm9RbsA3EAiJWuQk9AvmoBiieS05lt2obl1N52TsqQDD6yQeOQRGGgGdD010R9I1iDV ZrBLLBA6JJJJuRQoFNW9a9PSriB+qNHpTxkKqhBCYjcFT66fq8XWFzbB8U7o3IIAJ6IExZ5mRrH nu1eg9mpQa6IVjynBnlLqY6Kd8K8HQ8bE46Yr4f5iifehM/ymdyJosX/LLbSFSsw0c92GBRch4Y YQTg8GeSt6bNCRBwL5NfroooDri7DzNo9IvJMFBNvlDsvb1UcGC/3wTQtRiaPSy2c/RnK2+Kgnl IN8TxKZ9YPZku0ZlK32PmRlDBLhPOXEy2b5qdbFphU5o18pSYPwPnk1/YYTHeCXwE4E0hpUpuh8 sWtjlO0MexqQGvuoYTPCSgZRcCC4TiSwBXBoq5gGQMlIBMsRi1rCJ75S4xFd8WfJlUyhvLOXV4R hkBfhlhWWol93KmOKT9jceVxk+M1ampz28t/gkZNS8ArnOP2j63+Q67xnLpwODXI4gEGKxotZg/ shOi5CRLWVWDUWg== X-Developer-Key: i=abel.vesa@linaro.org; a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1787171949139587977 X-GMAIL-MSGID: 1787171949139587977 The global regmap fields offsets currently get incremented with the base address of the repeater. This issue doesn't get noticed unless the probe defers or there are multiple repeaters on that platform. So instead of incrementing the global ones, copy them for each instance of the repeater. Fixes: 4ba2e52718c0 ("phy: qualcomm: phy-qcom-eusb2-repeater: Use regmap_fields") Signed-off-by: Abel Vesa Reviewed-by: Konrad Dybcio --- drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c index a623f092b11f..5f5862a68b73 100644 --- a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c +++ b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c @@ -101,6 +101,7 @@ struct eusb2_repeater { struct regmap_field *regs[F_NUM_FIELDS]; struct phy *phy; struct regulator_bulk_data *vregs; + struct reg_field *regfields; const struct eusb2_repeater_cfg *cfg; enum phy_mode mode; }; @@ -140,8 +141,8 @@ static int eusb2_repeater_init_vregs(struct eusb2_repeater *rptr) static int eusb2_repeater_init(struct phy *phy) { - struct reg_field *regfields = eusb2_repeater_tune_reg_fields; struct eusb2_repeater *rptr = phy_get_drvdata(phy); + struct reg_field *regfields = rptr->regfields; struct device_node *np = rptr->dev->of_node; u32 init_tbl[F_NUM_TUNE_FIELDS] = { 0 }; u8 override; @@ -262,15 +263,21 @@ static int eusb2_repeater_probe(struct platform_device *pdev) if (!regmap) return -ENODEV; + rptr->regfields = devm_kmemdup(dev, eusb2_repeater_tune_reg_fields, + sizeof(eusb2_repeater_tune_reg_fields), + GFP_KERNEL); + if (!rptr->regfields) + return -ENOMEM; + ret = of_property_read_u32(np, "reg", &res); if (ret < 0) return ret; for (i = 0; i < F_NUM_FIELDS; i++) - eusb2_repeater_tune_reg_fields[i].reg += res; + rptr->regfields[i].reg += res; ret = devm_regmap_field_bulk_alloc(dev, regmap, rptr->regs, - eusb2_repeater_tune_reg_fields, + rptr->regfields, F_NUM_FIELDS); if (ret) return ret; From patchwork Thu Jan 4 14:52:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 185029 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:6f82:b0:100:9c79:88ff with SMTP id tb2csp5656892dyb; Thu, 4 Jan 2024 06:53:15 -0800 (PST) X-Google-Smtp-Source: AGHT+IG/7oVA5VqRoQUW5uCayRJ1ZAUeXZQbm2Kyo6d7mmgPxs3eN503Gifuh0pRv0ej4DdUx/zT X-Received: by 2002:a05:6a20:12c3:b0:196:1b3a:139b with SMTP id v3-20020a056a2012c300b001961b3a139bmr696156pzg.0.1704379995750; Thu, 04 Jan 2024 06:53:15 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1704379995; cv=none; d=google.com; s=arc-20160816; b=KVP6fFkyLpmQhjZ4bH6di65J3u7UBsjMO4TKltejO30tFRt/Ea8n0VFYRTSwU0FilE bNHiiS1HtmvgcMLo/21E4Di7z2VIAOR9aperfpTYv8pRxtI2BhROZUFYJz2f6z8RXT/0 C0zzr9MShWSgCnOxmrxjwMJ7uejWJE00b4SRHNiKUzILIWNU/2uVuS1IvL5UemqLB6H6 5GElGXVUn4Bby0Jvc3HLzM+LDJNAPGbSufzdOBoscHFVwXkmqgU1y27FfXczGaUM56yf y+CYBFbSRuDQxsqDzEazI/jx8r6yT3SNDaQSwcw43iRxPwP/IytkEaTWeJlG8xBybrdJ Q5gg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:list-unsubscribe:list-subscribe:list-id:precedence :subject:date:from:dkim-signature; bh=XMnAxGfIQiueQAO1wNW7BfacgEmomUHtgI56o8wKSTE=; fh=yh+D4SlPqbCucm6NVc/TddKPUVVdkKY8ckTJs2u/4aU=; b=Dx9J7YnrkDRnGwF3r8DbF20c37/sYWeYAlbYjMl9KgbngifwS7beC+X2hsa319SaJE q5ZpRvtonRq1fLRfeFsI/6xL7rCgOHbwrOUHLUOU2Wdw0FmgabbvzKNoNTPzetW0x6eV 2MOcF4D7rdYyqEpIbN2MjuYJU9lGWELULu1lb/NYTV+MNCAYhXIxw9ezR+fNyYygvLul KBQmrANq/m9N4Tl1yhFNXiAoyzB/MPMEtNvfWa18uT/4hLq31gUiZbmCHJY8CThEO4tv VOwb0BOlZmU4F1TPeEceHSXzfIQBFu8i/0DJMEf/6cC9AlUH6WGrKm0KBHN9vg21/BQN lPfw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=NiiynNiA; spf=pass (google.com: domain of linux-kernel+bounces-16807-ouuuleilei=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-16807-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. 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Thu, 04 Jan 2024 06:52:29 -0800 (PST) Received: from [127.0.1.1] ([79.115.23.25]) by smtp.gmail.com with ESMTPSA id k24-20020a056402049800b00555e52fed52sm7970592edv.91.2024.01.04.06.52.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jan 2024 06:52:29 -0800 (PST) From: Abel Vesa Date: Thu, 04 Jan 2024 16:52:12 +0200 Subject: [PATCH 2/2] phy: qualcomm: eusb2-repeater: Drop the redundant zeroing Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-phy-qcom-eusb2-repeater-fixes-v1-2-047b7b6b8333@linaro.org> References: <20240104-phy-qcom-eusb2-repeater-fixes-v1-0-047b7b6b8333@linaro.org> In-Reply-To: <20240104-phy-qcom-eusb2-repeater-fixes-v1-0-047b7b6b8333@linaro.org> To: Bjorn Andersson , Konrad Dybcio , Vinod Koul , Kishon Vijay Abraham I Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Abel Vesa X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1787171958339291700 X-GMAIL-MSGID: 1787171958339291700 The local init_tlb is already zero initialized, so the entire zeroing loop is useless in this case, since the initial values are copied over anyway, before being written. Fixes: 99a517a582fc ("phy: qualcomm: phy-qcom-eusb2-repeater: Zero out untouched tuning regs") Signed-off-by: Abel Vesa --- drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c index 5f5862a68b73..3060c0749797 100644 --- a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c +++ b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c @@ -156,16 +156,6 @@ static int eusb2_repeater_init(struct phy *phy) regmap_field_update_bits(rptr->regs[F_EN_CTL1], EUSB2_RPTR_EN, EUSB2_RPTR_EN); - for (i = 0; i < F_NUM_TUNE_FIELDS; i++) { - if (init_tbl[i]) { - regmap_field_update_bits(rptr->regs[i], init_tbl[i], init_tbl[i]); - } else { - /* Write 0 if there's no value set */ - u32 mask = GENMASK(regfields[i].msb, regfields[i].lsb); - - regmap_field_update_bits(rptr->regs[i], mask, 0); - } - } memcpy(init_tbl, rptr->cfg->init_tbl, sizeof(init_tbl)); if (!of_property_read_u8(np, "qcom,tune-usb2-amplitude", &override))