From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CD985198E96; Wed, 6 Nov 2024 12:31:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730896271; cv=none; b=HoxfehV1YYCUriEaGujmVfTMtb9dxA7tnb3N6bMRRYifTNtq7ZXfaBYelDc523Ey/CYMBr/lyK8XoaaytversCZX5sq/oZDu/9FJ7GPjjiRLznvwjMom0vldsZXyIbAZtoSqNMMycX+voIaaSY4g4DWB1EFdkOh+gUhuOaFF4AE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730896271; c=relaxed/simple; bh=3xgvypl63aFfPZJFs2006wfYdCWtDhBmsnL/lMMn2aE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jCdgJto7VZCdXZwW3ab/K8nZw7cUe1BSmCjUq1OSXL376Ks0iC+EeodL5D5v3QvduF/V52TkfIsg2MuJpuW8UBuHBGlsQm/sw82mtpTPNYJCwh/JEglQKjLZnfzDVGRrV3wByuPLyxI2ttjNN3CUOJlGllZwEy5BMmirL7Md7Jw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=VoCUyC9U; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="VoCUyC9U" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFA95C4CECD; Wed, 6 Nov 2024 12:31:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730896271; bh=3xgvypl63aFfPZJFs2006wfYdCWtDhBmsnL/lMMn2aE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VoCUyC9UxiH5yDa7ogEyw+sHUUQjMiXp5xXdeTMKj45PlH/O8BArkYJfCRkXn1omT mg8IAbNoiJSZjKi+VYDuQHcjyj+e68tsMDpWK5arN5hzJV2kSEtUDCsUFE6pecxV2I fTe9NYsPFFBh0R/LfWxM+PS75gp8o9hBq7EIWMt0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ben Chuang , Ulf Hansson Subject: [PATCH 6.11 146/245] mmc: sdhci-pci-gli: GL9767: Fix low power mode in the SD Express process Date: Wed, 6 Nov 2024 13:03:19 +0100 Message-ID: <20241106120322.820943243@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241106120319.234238499@linuxfoundation.org> References: <20241106120319.234238499@linuxfoundation.org> User-Agent: quilt/0.67 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 6.11-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ben Chuang commit c4dedaaeb3f78d3718e9c1b1e4d972a6b99073cd upstream. When starting the SD Express process, the low power negotiation mode will be disabled, so we need to re-enable it after switching back to SD mode. Fixes: 0e92aec2efa0 ("mmc: sdhci-pci-gli: Add support SD Express card for GL9767") Signed-off-by: Ben Chuang Cc: stable@vger.kernel.org Message-ID: <20241025060017.1663697-2-benchuanggli@gmail.com> Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/sdhci-pci-gli.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/mmc/host/sdhci-pci-gli.c +++ b/drivers/mmc/host/sdhci-pci-gli.c @@ -1068,6 +1068,9 @@ static int gl9767_init_sd_express(struct sdhci_writew(host, value, SDHCI_CLOCK_CONTROL); } + pci_read_config_dword(pdev, PCIE_GLI_9767_CFG, &value); + value &= ~PCIE_GLI_9767_CFG_LOW_PWR_OFF; + pci_write_config_dword(pdev, PCIE_GLI_9767_CFG, value); gl9767_vhs_read(pdev); return 0;