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 A7A381CDFCA; Wed, 20 May 2026 16:46:24 +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=1779295585; cv=none; b=KMTPUNCGxvUVhUvXjPuvVwEgt3ceaskKD2xB/vCbKuO1EtdE3Y2v7XPcq8F1tvsAV4Jbjmsdas0Xlj1Ca2CfVXbSjnJF+d2/otA3fLxQeniFTl5VsiONwSxAajCHjqJXflNJ/N2WtQYzCg7wwbrW3Fa1svGo2i7A8im+M5qpFGE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779295585; c=relaxed/simple; bh=HStzBdvHbx35AKvvAT0iVBCfoirHS6nt8HyGMH/kGB0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e0w6sGBLPyASWJUQ6dwUfaxUnILF0EGOKmQIcsZYwQNVCqRq2ILP5nwgtoJcrLW9VsV7iCtw6P5dBidSJ7/H9BklHvBGPz55LP4/sXpNOlHSXInmxPvhmbsawCErXSdLhXHzh6Z8VpVwZUgyV2SWXUZgVp76zKGv2bJNFgUBmDo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fI8XyVfE; 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="fI8XyVfE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 18B3A1F000E9; Wed, 20 May 2026 16:46:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779295584; bh=YmkP0rjXypqSoqokMrPohMb/nHo3wicXhRb7SEsEhpU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=fI8XyVfEBhg0jAwqSRMSJBrOpVFYyjoHxRH4vwjeAmQUaFJCFlAuldFhI+6D+O98v JkWFXbyZMuHbpdqNEryCBaDFsFtSfABfmTLjcH3uDjJ8Csq0Qqf5xl7nXmAUB7Xu52 4Q2/bn+1x02ya5zYPYmovBaKiKh/ODSYCKyDLo9A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pei Xiao , Mark Brown , Sasha Levin Subject: [PATCH 7.0 0434/1146] spi: mtk-snfi: unregister ECC engine on probe failure and remove() callback Date: Wed, 20 May 2026 18:11:24 +0200 Message-ID: <20260520162158.021133342@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162148.390695140@linuxfoundation.org> References: <20260520162148.390695140@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 7.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pei Xiao [ Upstream commit ab00febad191d7a4400aa1c3468279fb508258d4 ] mtk_snand_probe() registers the on-host NAND ECC engine, but teardown was missing from both probe unwind and remove-time cleanup. Add a devm cleanup action after successful registration so nand_ecc_unregister_on_host_hw_engine() runs automatically on probe failures and during device removal. Fixes: 764f1b748164 ("spi: add driver for MTK SPI NAND Flash Interface") Signed-off-by: Pei Xiao Link: https://patch.msgid.link/20263f885f1a9c9d559f95275298cd6de4b11ed5.1775546401.git.xiaopei01@kylinos.cn Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-mtk-snfi.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/spi/spi-mtk-snfi.c b/drivers/spi/spi-mtk-snfi.c index 437edbd658aa2..73fa84475f0e4 100644 --- a/drivers/spi/spi-mtk-snfi.c +++ b/drivers/spi/spi-mtk-snfi.c @@ -1303,6 +1303,13 @@ static const struct spi_controller_mem_caps mtk_snand_mem_caps = { .ecc = true, }; +static void mtk_unregister_ecc_engine(void *data) +{ + struct nand_ecc_engine *eng = data; + + nand_ecc_unregister_on_host_hw_engine(eng); +} + static irqreturn_t mtk_snand_irq(int irq, void *id) { struct mtk_snand *snf = id; @@ -1443,6 +1450,13 @@ static int mtk_snand_probe(struct platform_device *pdev) goto release_ecc; } + ret = devm_add_action_or_reset(&pdev->dev, mtk_unregister_ecc_engine, + &ms->ecc_eng); + if (ret) { + dev_err_probe(&pdev->dev, ret, "failed to add ECC unregister action\n"); + goto release_ecc; + } + ctlr->num_chipselect = 1; ctlr->mem_ops = &mtk_snand_mem_ops; ctlr->mem_caps = &mtk_snand_mem_caps; -- 2.53.0