From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: Patch "ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN" has been added to the 3.12-stable tree Date: Mon, 06 Jan 2014 10:56:21 -0800 Message-ID: <13890345811491@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Return-path: Sender: stable-owner@vger.kernel.org To: marex@denx.de, eric.nelson@boundarydevices.com, gregkh@linuxfoundation.org, linux-ide@vger.kernel.org, r65037@freescale.com, shawn.guo@linaro.org, tj@kernel.org Cc: stable@vger.kernel.org, stable-commits@vger.kernel.org List-Id: linux-ide@vger.kernel.org This is a note to let you know that I've just added the patch titled ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN to the 3.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ahci-imx-explicitly-clear-imx6q_gpr13_sata_mpll_clk_en.patch and it can be found in the queue-3.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 10becdb402af4fd4808a0491a726b96128c41076 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 25 Nov 2013 09:47:00 +0100 Subject: ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN From: Marek Vasut commit 10becdb402af4fd4808a0491a726b96128c41076 upstream. We must clear this IMX6Q_GPR13_SATA_MPLL_CLK_EN bit on i.MX6Q, otherwise Linux will fail to find the attached drive on some boards. This entire fix was: Reported-by: Eric Nelson Signed-off-by: Marek Vasut Reviewed-by: Shawn Guo Cc: Richard Zhu Cc: Linux-IDE Signed-off-by: Tejun Heo Signed-off-by: Greg Kroah-Hartman --- drivers/ata/ahci_imx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/ata/ahci_imx.c +++ b/drivers/ata/ahci_imx.c @@ -60,7 +60,7 @@ static int imx6q_sata_init(struct device /* * set PHY Paremeters, two steps to configure the GPR13, * one write for rest of parameters, mask of first write - * is 0x07fffffd, and the other one write for setting + * is 0x07ffffff, and the other one write for setting * the mpll_clk_en. */ regmap_update_bits(imxpriv->gpr, 0x34, IMX6Q_GPR13_SATA_RX_EQ_VAL_MASK @@ -71,6 +71,7 @@ static int imx6q_sata_init(struct device | IMX6Q_GPR13_SATA_TX_ATTEN_MASK | IMX6Q_GPR13_SATA_TX_BOOST_MASK | IMX6Q_GPR13_SATA_TX_LVL_MASK + | IMX6Q_GPR13_SATA_MPLL_CLK_EN | IMX6Q_GPR13_SATA_TX_EDGE_RATE , IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB | IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M Patches currently in stable-queue which might be from marex@denx.de are queue-3.12/ahci-imx-explicitly-clear-imx6q_gpr13_sata_mpll_clk_en.patch