From patchwork Fri May 23 14:46:32 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yixun Lan X-Patchwork-Id: 892373 Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (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 C94D7296D39; Fri, 23 May 2025 14:47:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.183 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748011650; cv=none; b=PtIVZPkyPVCYnvc9qY0JhCh/+CtZ6yXvZOfSHOOlMtZ0ofp1tuJN5v7+nhXlt5zbr76vQYHXejpa8xCcYDLMwLTP4/HKXS2XjyD+b4CVFypCXIR2nM7Tfbj9M6csTvfKFhLsS7tydg4vvvV8VCom4GgjSKIExAao1mcJZBNDEwo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748011650; c=relaxed/simple; bh=ci51TN0zWIkUuCtREvFuALW7XcksRaibdd6IoD9Sm2g=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=cO9d2UFkuQpkyzbkf39TPr87VAKrLWXSng/MjC61UtuqFBmSU3wAHtFDFpsLamSwSX4lzBttiZGK30iGFEP6NodA3gf/VKf+Py1Wq2PVuZYdhd8+VcmIEjXgn5/mCHd4EiJJRk4Da4/3hLTUR87t+LOVuI15eoWA5H+1q2lzn7Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org; spf=pass smtp.mailfrom=gentoo.org; arc=none smtp.client-ip=140.211.166.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentoo.org Received: from [127.0.0.1] (unknown [116.232.18.143]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dlan) by smtp.gentoo.org (Postfix) with ESMTPSA id 77F9B343270; Fri, 23 May 2025 14:47:23 +0000 (UTC) From: Yixun Lan Date: Fri, 23 May 2025 22:46:32 +0800 Subject: [PATCH 2/2] mmc: sdhci-of-k1: disable HW busy detection Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250523-21-k1-sdhci-v1-2-9f293116a7e7@gentoo.org> References: <20250523-21-k1-sdhci-v1-0-9f293116a7e7@gentoo.org> In-Reply-To: <20250523-21-k1-sdhci-v1-0-9f293116a7e7@gentoo.org> To: Adrian Hunter , Ulf Hansson Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, Yixun Lan X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1167; i=dlan@gentoo.org; h=from:subject:message-id; bh=ci51TN0zWIkUuCtREvFuALW7XcksRaibdd6IoD9Sm2g=; b=owEBzQIy/ZANAwAKATGq6kdZTbvtAcsmYgBoMIpyusZ8D6qbB+Gs/i5nVYuZsa0KAy+jE6sr9 4Jzp4cyFhWJApMEAAEKAH0WIQS1urjJwxtxFWcCI9wxqupHWU277QUCaDCKcl8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0QjVCQUI4QzlDMzF CNzExNTY3MDIyM0RDMzFBQUVBNDc1OTREQkJFRAAKCRAxqupHWU277agdD/9arIG33iPsRPT10E r3siK0Jzx331n/x1wWBEQpcPdFVnkYdMUh5FMmG0XN4zXPFjii2T82PJDM4F8i/thQ2dex9mPrV puQPBg0tEVJs4UABj4N4KSuA9bmCEH76BB44+XSMvBrWejUmQfP+DN5wrDWihXJL0RPL+z7ziT5 XGGj2FIrCPoWnLvrF1WwD4EUbJtxgrROXKB3qW8AFUMYHSwjOzvec795itMAI1XrlFXT35HSsEm U64F4k2OpbL3qnfgSdkhs/qakKo8WImxyLNwuE9TkRaAo73DSOhiZ8ZYUh4y/aY+ci0uORQSvSd xWTYf0CsymAI/eDKAWMTdTjeXCkBxgbfteujZbpcbAa7l9PJd5cC4RFQUixKfC5YgQCY0r4aktD n4uV1ZTqiQEbaACGgrqaNK5EoP+MxvbbEN8PwZ1yccSsljkMpDs5xzN7f3kBZE/bAAvz/W6fb/x afcWfLOu+o/2Lo+vk/qqAmCIOnkpSx0ACcm9apH/G9Xfzc0fvQ9m8U+0r8d4zl7iXZj+nLSxdWY vBZRfdDEGtvwC+C0ByqWKPEMHr7HV2EiTPwS7Tdvdki6Je1SZNaD2DjPHDcUJd716dbOjtt5LaY xNup/HkQEje5HbDRzK2fojE9p80l9ao32RWPw1RGPxrU/zf0xaiOPe3bGin4BDA6YZSg== X-Developer-Key: i=dlan@gentoo.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 It doesn't make sense to enable HW busy detection in pre_select_hs400(), while disable it later in post_select_hs400(). And the reason behind this isn't clear. Therefore, let's disable it for now. Signed-off-by: Yixun Lan --- drivers/mmc/host/sdhci-of-k1.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/mmc/host/sdhci-of-k1.c b/drivers/mmc/host/sdhci-of-k1.c index 1e1e012cdff9143a7dffa4e00bd9baac2a2dff2d..89f37f147a8a12cc80978d637cd31b9ecc0e9eac 100644 --- a/drivers/mmc/host/sdhci-of-k1.c +++ b/drivers/mmc/host/sdhci-of-k1.c @@ -178,7 +178,6 @@ static int spacemit_sdhci_pre_select_hs400(struct mmc_host *mmc) struct sdhci_host *host = mmc_priv(mmc); spacemit_sdhci_setbits(host, SDHC_MMC_HS400, SPACEMIT_SDHC_MMC_CTRL_REG); - host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY; return 0; } @@ -188,7 +187,6 @@ static void spacemit_sdhci_post_select_hs400(struct mmc_host *mmc) struct sdhci_host *host = mmc_priv(mmc); spacemit_sdhci_phy_dll_init(host); - host->mmc->caps &= ~MMC_CAP_WAIT_WHILE_BUSY; } static void spacemit_sdhci_pre_hs400_to_hs200(struct mmc_host *mmc)