lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-Id: <1514402931-14408-4-git-send-email-alcooperx@gmail.com> Date: Wed, 27 Dec 2017 14:28:50 -0500 From: Al Cooper <alcooperx@...il.com> To: Kishon Vijay Abraham I <kishon@...com> Cc: Al Cooper <al.cooper@...adcom.com>, Al Cooper <alcooperx@...il.com>, linux-kernel@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com Subject: [PATCH 3/4] phy: usb: phy-brcm-usb-init: Power down USB 3.0 PHY when XHCI disabled From: Al Cooper <al.cooper@...adcom.com> 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 <alcooperx@...il.com> --- drivers/phy/broadcom/phy-brcm-usb-init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/phy/broadcom/phy-brcm-usb-init.c b/drivers/phy/broadcom/phy-brcm-usb-init.c index 69ea479..6672adcc 100644 --- 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 */ @@ -998,6 +999,7 @@ void brcm_usb_uninit_eohci(struct brcm_usb_init_params *params) 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) -- 1.9.0.138.g2de3478
Powered by blists - more mailing lists