From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:48438 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966725AbeCSRKi (ORCPT ); Mon, 19 Mar 2018 13:10:38 -0400 Subject: Patch "phy: phy-brcm-usb-init: Power down USB 3.0 PHY when XHCI disabled" has been added to the 4.15-stable tree To: al.cooper@broadcom.com, alcooperx@gmail.com, f.fainelli@gmail.com, gregkh@linuxfoundation.org, kishon@ti.com Cc: , From: Date: Mon, 19 Mar 2018 18:10:34 +0100 Message-ID: <152147943456156@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled phy: phy-brcm-usb-init: Power down USB 3.0 PHY when XHCI disabled to the 4.15-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: phy-phy-brcm-usb-init-power-down-usb-3.0-phy-when-xhci-disabled.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From cd6f769fdea7ff7d77a6cc97658c60ca0b836d0e Mon Sep 17 00:00:00 2001 From: Al Cooper Date: Wed, 27 Dec 2017 14:28:50 -0500 Subject: phy: phy-brcm-usb-init: Power down USB 3.0 PHY when XHCI disabled From: Al Cooper commit cd6f769fdea7ff7d77a6cc97658c60ca0b836d0e upstream. Set PHY3_IDDQ_OVERRIDE in the xhci uninit routine. This will save additional power when the XHCI driver is not enabled. Fixes: 49859e55e364 ("phy: usb: phy-brcm-usb: Add Broadcom STB USB phy driver") Signed-off-by: Al Cooper Acked-by: Florian Fainelli Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Greg Kroah-Hartman --- drivers/phy/broadcom/phy-brcm-usb-init.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/phy/broadcom/phy-brcm-usb-init.c +++ b/drivers/phy/broadcom/phy-brcm-usb-init.c @@ -73,6 +73,7 @@ #define USB_CTRL_USB30_CTL1_USB3_IPP_MASK 0x20000000 /* option */ #define USB_CTRL_USB30_PCTL 0x70 #define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_MASK 0x00000002 +#define USB_CTRL_USB30_PCTL_PHY3_IDDQ_OVERRIDE_MASK 0x00008000 #define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_P1_MASK 0x00020000 #define USB_CTRL_USB_DEVICE_CTL1 0x90 #define USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK 0x00000003 /* option */ @@ -999,6 +1000,7 @@ void brcm_usb_uninit_eohci(struct brcm_u void brcm_usb_uninit_xhci(struct brcm_usb_init_params *params) { brcmusb_xhci_soft_reset(params, 1); + USB_CTRL_SET(params->ctrl_regs, USB30_PCTL, PHY3_IDDQ_OVERRIDE); } void brcm_usb_set_family_map(struct brcm_usb_init_params *params) Patches currently in stable-queue which might be from al.cooper@broadcom.com are queue-4.15/phy-phy-brcm-usb-init-power-down-usb-3.0-phy-when-xhci-disabled.patch queue-4.15/phy-phy-brcm-usb-init-drd-mode-can-cause-crash-on-startup.patch queue-4.15/phy-phy-brcm-usb-init-some-low-speed-keyboards-fail-on-7271.patch