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[93.89.165.28]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-459dbba5210sm287721715e9.2.2025.08.10.07.39.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Aug 2025 07:39:16 -0700 (PDT) From: Gabor Juhos Date: Sun, 10 Aug 2025 16:38:50 +0200 Subject: [PATCH 1/2] spi: spi-qpic-snand: remove unused 'dev' member of struct 'qpic_ecc' 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: <20250810-qpic-snand-qpic_ecc-cleanup-v1-1-33a6b2bcbc67@gmail.com> References: <20250810-qpic-snand-qpic_ecc-cleanup-v1-0-33a6b2bcbc67@gmail.com> In-Reply-To: <20250810-qpic-snand-qpic_ecc-cleanup-v1-0-33a6b2bcbc67@gmail.com> To: Mark Brown Cc: Md Sadre Alam , Varadarajan Narayanan , Sricharan Ramabadhran , linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Gabor Juhos X-Mailer: b4 0.14.2 The 'dev' member of the 'qpic_ecc' structure is never used in the code so remove that. No functional changes. Signed-off-by: Gabor Juhos Reviewed-by: Konrad Dybcio --- drivers/spi/spi-qpic-snand.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/spi/spi-qpic-snand.c b/drivers/spi/spi-qpic-snand.c index 7b76d2c82a5287df13ee6fcebc4abbe58ca861ee..bc2158e560be3b0ab1b26882e4d= e524ecf662d14 100644 --- a/drivers/spi/spi-qpic-snand.c +++ b/drivers/spi/spi-qpic-snand.c @@ -78,7 +78,6 @@ struct qcom_ecc_stats { }; =20 struct qpic_ecc { - struct device *dev; int ecc_bytes_hw; int spare_bytes; int bbm_size; --=20 2.50.1 From nobody Sun Oct 5 03:36:54 2025 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2DF0A267B02; Sun, 10 Aug 2025 14:39:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754836761; cv=none; b=dhn22PB1IHO7rhXMXoOa6UmHETHDIOztyJVI07g831ngh4KhBSjxxoF0klb3m4y/aFQV3mo9976zZnwWfBMCFPr5I3QPl/wHFUhBbDjGPi9uGlIKAMeZcmZCrBB2GS6pFvy2eqo7BZ5utNPqreUKpnyr2Y/hdd7RQxtMjEKycBY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754836761; c=relaxed/simple; bh=sd116yBRfTrFTiTq7X2NwY8LjAgyVCQApOiIDIKWWPA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Sin1zLJn2Dc7NvB7ZkFSoTNAxrsa0LOCJwfCxHbc7NGp1SG+IjLCfMop1NgBOh/ElnEEmSRv8rn1dEta44vTOzTMVswTOcrYArUSRKRwKwMAatX47Sk57vateB6aordq+OKl2dKo2LEOcROu4PvpnsAUBuLpCjckrjfeiSYw34o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ik6Q0UUQ; arc=none smtp.client-ip=209.85.128.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ik6Q0UUQ" Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-459ebb6bbdfso22547705e9.0; Sun, 10 Aug 2025 07:39:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1754836758; x=1755441558; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=DcmxIpPYdCpfPFBt8uKF7gd7DS2ROw7aJi4hs4RfP1Y=; b=ik6Q0UUQFPhsE06SUKW4Sxvw2Iwy3ASeil3LxwBAvB9gF6Ou7VLs3lSEcvKoX3KRtI lkeHQO59Ei78+N3h6smXVCl2jL5bH5es61qTdH4yrFwAexq5HLUQ22LfhWY3jQbxKo+0 dXIsgpXOs9whBMdTM40bNHiDU5e1htVg7etvK//sOVlaHdwpRcLy2AnhTfDKBWWCM41n +ll/za3RXcncNerT6WlTnwftSD03ZgtQKn9myJB/QgsfNjCDE7SC+szKOTs0REHVNaSq PoKZ5veOiDSZGI7iKmFEFRL6TejB9jXE8Aur6IfnAawat4gfSI/cu+LVldYJOX2R311F sWoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754836758; x=1755441558; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DcmxIpPYdCpfPFBt8uKF7gd7DS2ROw7aJi4hs4RfP1Y=; b=dHQKfDvyqyF1+FUfN/4ndTCMtfh+USDnBJGUhpDryfKgd/Ea0pYI4PPLY9f0ZQRD3l vqgcRA/70EAJT4cUNV9ndlVk5WFn5U1CieiR1d6hd/NFrru2i7VvhiaFlvT4JEmIdkS3 bBPyTYWg5vIE7inwhcOXtWxLjDH0Bu2HBpy9BJA9ExAHGOzy/zU00Iwv2ScR5zrxsJWF Xsuf+SG3VuDpFc0EZ/mQ+9+kpgWjnTu11zE2K93oWRYFyRgY8qv2WHiP8pPdY7WehdrT /EFH+q4Ijhugdb30j/N/Htz2yl7KhgGByWUUpZTygEzf0oU17dei9Full9+gP99eRSJf AAwA== X-Forwarded-Encrypted: i=1; AJvYcCUpb6eylQNB9jooY3YQlMUBrfAVO7bsw0Ct7RYs3ZLT8y+OC3HRyPrU3qxTeTaWu3g7k7wPxkbT1dPcmVI5@vger.kernel.org, AJvYcCVgpdXylYKhDBZGS7tPBjU7Ly10h8z1HuCtMuIKl1qHoHsD0DHFk8nxbf/aZjcYhtPQGuE6KD7jrv7ZDeuS@vger.kernel.org, AJvYcCXFUMVvLPloiuWS6e7iSTIGrj1MgYMMM0AECbbCUmjFJVSbaJkMAauUZKWPbGExFb23OVgCoAsulF64@vger.kernel.org X-Gm-Message-State: AOJu0YwW5ejhmLJcFvwWKGfz5lUn5KacgEdEioIwFYINqXCs4UUKM12E p3u1575PtRXgsLTfWTA95ITpQ9UJYhHIxs3aP4xVrsN81vZcXnc/AHISx5Q/Sw== X-Gm-Gg: ASbGncvKMbNfUMUh0tX7z5P+nENyqceE/M7bYNoemGF2Oqy7rqQvKgv2wUB0aOKE9lD I2urGKUJCOj8trmo7xBVvysGpptRNqe2hawDo11L44yOHoB9jP72ZduCNwqnP5URI1esjlTTLXm kfvB+ocgYqjj7nFORxm/jreYptgidJYQRhzUbLS3Rwjo8o7kx/oJt+ovPfYlkVmzYuDMPcl7wWc 6HLnclROXUCCVxjISDI+l2ZTSGp/CWE+4vi8omdQ49Sv17T3rsHYwCciIzv2kRQ7YgzQxpw69Ox JwpSJn20vPs8WxftkMcYYd23z5/l/QOJu2ML6LtyGakCwMt8NuOb9F09lzvl3ucjvOW/vcuzsT6 QgaasRGSCdbOo5xZFNx093HfT6IFp6YLepQ2e2uuGL1nXTvFUrJg= X-Google-Smtp-Source: AGHT+IGnnqxXALeugOVFPoFTxC2pIiR+d5jk8lpEovJ2tb6XVsxkdrVtmSfFxdJSHhTjsHQA9RZzsQ== X-Received: by 2002:a05:600c:3b87:b0:459:db80:c2d0 with SMTP id 5b1f17b1804b1-45a0a90d9cbmr42735e9.7.1754836758214; Sun, 10 Aug 2025 07:39:18 -0700 (PDT) Received: from [192.168.0.253] (5D59A51C.catv.pool.telekom.hu. [93.89.165.28]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-459dbba5210sm287721715e9.2.2025.08.10.07.39.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Aug 2025 07:39:17 -0700 (PDT) From: Gabor Juhos Date: Sun, 10 Aug 2025 16:38:51 +0200 Subject: [PATCH 2/2] spi: spi-qpic-snand: remove 'clr*status' members of struct 'qpic_ecc' 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: <20250810-qpic-snand-qpic_ecc-cleanup-v1-2-33a6b2bcbc67@gmail.com> References: <20250810-qpic-snand-qpic_ecc-cleanup-v1-0-33a6b2bcbc67@gmail.com> In-Reply-To: <20250810-qpic-snand-qpic_ecc-cleanup-v1-0-33a6b2bcbc67@gmail.com> To: Mark Brown Cc: Md Sadre Alam , Varadarajan Narayanan , Sricharan Ramabadhran , linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Gabor Juhos X-Mailer: b4 0.14.2 In the qcom_spi_ecc_init_ctx_pipelined() function, the 'clrflashstatus' and the 'clrreadstatus' members of the ECC context gets initialized with constant values. Then these values are used by several functions to set the corresponding members in the register cache. Because the values are never modified, change the code to set the those directly in the register cache by the qcom_spi_ecc_init_ctx_pipelined() function, and remove the repetitive code from the other functions to reduce code duplication. Also, remove the respective members from the 'qpic_ecc' structure as those became unused due to the change. No functional changes intended. Signed-off-by: Gabor Juhos --- drivers/spi/spi-qpic-snand.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/spi/spi-qpic-snand.c b/drivers/spi/spi-qpic-snand.c index bc2158e560be3b0ab1b26882e4de524ecf662d14..01f16f49d4cafa608373a176cd1= bd88bd00d2a99 100644 --- a/drivers/spi/spi-qpic-snand.c +++ b/drivers/spi/spi-qpic-snand.c @@ -94,8 +94,6 @@ struct qpic_ecc { u32 cfg1_raw; u32 ecc_buf_cfg; u32 ecc_bch_cfg; - u32 clrflashstatus; - u32 clrreadstatus; bool bch_enabled; }; =20 @@ -381,12 +379,12 @@ static int qcom_spi_ecc_init_ctx_pipelined(struct nan= d_device *nand) FIELD_PREP(ECC_PARITY_SIZE_BYTES_BCH_MASK, ecc_cfg->ecc_bytes_hw= ); =20 ecc_cfg->ecc_buf_cfg =3D FIELD_PREP(NUM_STEPS_MASK, 0x203); - ecc_cfg->clrflashstatus =3D FS_READY_BSY_N; - ecc_cfg->clrreadstatus =3D 0xc0; =20 conf->step_size =3D ecc_cfg->step_size; conf->strength =3D ecc_cfg->strength; =20 + snandc->regs->clrflashstatus =3D cpu_to_le32(FS_READY_BSY_N); + snandc->regs->clrreadstatus =3D cpu_to_le32(0xc0); snandc->regs->erased_cw_detect_cfg_clr =3D cpu_to_le32(CLR_ERASED_PAGE_DE= T); snandc->regs->erased_cw_detect_cfg_set =3D cpu_to_le32(SET_ERASED_PAGE_DE= T); =20 @@ -598,8 +596,6 @@ static int qcom_spi_read_last_cw(struct qcom_nand_contr= oller *snandc, snandc->regs->cfg0 =3D cpu_to_le32(cfg0); snandc->regs->cfg1 =3D cpu_to_le32(cfg1); snandc->regs->ecc_bch_cfg =3D cpu_to_le32(ecc_bch_cfg); - snandc->regs->clrflashstatus =3D cpu_to_le32(ecc_cfg->clrflashstatus); - snandc->regs->clrreadstatus =3D cpu_to_le32(ecc_cfg->clrreadstatus); snandc->regs->exec =3D cpu_to_le32(1); =20 qcom_spi_set_read_loc(snandc, num_cw - 1, 0, 0, ecc_cfg->cw_size, 1); @@ -733,8 +729,6 @@ static int qcom_spi_read_cw_raw(struct qcom_nand_contro= ller *snandc, u8 *data_bu snandc->regs->cfg0 =3D cpu_to_le32(cfg0); snandc->regs->cfg1 =3D cpu_to_le32(cfg1); snandc->regs->ecc_bch_cfg =3D cpu_to_le32(ecc_bch_cfg); - snandc->regs->clrflashstatus =3D cpu_to_le32(ecc_cfg->clrflashstatus); - snandc->regs->clrreadstatus =3D cpu_to_le32(ecc_cfg->clrreadstatus); snandc->regs->exec =3D cpu_to_le32(1); =20 qcom_spi_set_read_loc(snandc, raw_cw, 0, 0, ecc_cfg->cw_size, 1); @@ -849,8 +843,6 @@ static int qcom_spi_read_page_ecc(struct qcom_nand_cont= roller *snandc, snandc->regs->cfg0 =3D cpu_to_le32(cfg0); snandc->regs->cfg1 =3D cpu_to_le32(cfg1); snandc->regs->ecc_bch_cfg =3D cpu_to_le32(ecc_bch_cfg); - snandc->regs->clrflashstatus =3D cpu_to_le32(ecc_cfg->clrflashstatus); - snandc->regs->clrreadstatus =3D cpu_to_le32(ecc_cfg->clrreadstatus); snandc->regs->exec =3D cpu_to_le32(1); =20 qcom_spi_set_read_loc(snandc, 0, 0, 0, ecc_cfg->cw_data, 1); @@ -942,8 +934,6 @@ static int qcom_spi_read_page_oob(struct qcom_nand_cont= roller *snandc, snandc->regs->cfg0 =3D cpu_to_le32(cfg0); snandc->regs->cfg1 =3D cpu_to_le32(cfg1); snandc->regs->ecc_bch_cfg =3D cpu_to_le32(ecc_bch_cfg); - snandc->regs->clrflashstatus =3D cpu_to_le32(ecc_cfg->clrflashstatus); - snandc->regs->clrreadstatus =3D cpu_to_le32(ecc_cfg->clrreadstatus); snandc->regs->exec =3D cpu_to_le32(1); =20 qcom_spi_set_read_loc(snandc, 0, 0, 0, ecc_cfg->cw_data, 1); @@ -1063,8 +1053,6 @@ static int qcom_spi_program_raw(struct qcom_nand_cont= roller *snandc, snandc->regs->cfg0 =3D cpu_to_le32(cfg0); snandc->regs->cfg1 =3D cpu_to_le32(cfg1); snandc->regs->ecc_bch_cfg =3D cpu_to_le32(ecc_bch_cfg); - snandc->regs->clrflashstatus =3D cpu_to_le32(ecc_cfg->clrflashstatus); - snandc->regs->clrreadstatus =3D cpu_to_le32(ecc_cfg->clrreadstatus); snandc->regs->exec =3D cpu_to_le32(1); =20 qcom_spi_config_page_write(snandc); --=20 2.50.1