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x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935711AbeCSSfs (ORCPT ); Mon, 19 Mar 2018 14:35:48 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:54130 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1032132AbeCSSdC (ORCPT ); Mon, 19 Mar 2018 14:33:02 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Al Cooper , Florian Fainelli , Kishon Vijay Abraham I Subject: [PATCH 4.15 50/52] phy: phy-brcm-usb-init: Some Low Speed keyboards fail on 7271 Date: Mon, 19 Mar 2018 19:08:48 +0100 Message-Id: <20180319180737.711929771@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180319180734.976730813@linuxfoundation.org> References: <20180319180734.976730813@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Al Cooper commit 279a0cd0e02aa1e506d9acf94a7ecb530821359c upstream. Enable the the Low Speed Keep Alive signal on the 7271b0 by setting the LS_KEEP_ALIVE bit in the USB CTRL OBRIDGE register otherwise some Dell Low Speed keyboards fail. Also do a little cleanup of the EBRIDGE ESTOP_SCB_REQ bit. Since this is only used on one platform, remove it from the platform tables and just use "if (family == "). 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 | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) --- a/drivers/phy/broadcom/phy-brcm-usb-init.c +++ b/drivers/phy/broadcom/phy-brcm-usb-init.c @@ -50,6 +50,8 @@ #define USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK 0x80000000 /* option */ #define USB_CTRL_EBRIDGE 0x0c #define USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK 0x00020000 /* option */ +#define USB_CTRL_OBRIDGE 0x10 +#define USB_CTRL_OBRIDGE_LS_KEEP_ALIVE_MASK 0x08000000 #define USB_CTRL_MDIO 0x14 #define USB_CTRL_MDIO2 0x18 #define USB_CTRL_UTMI_CTL_1 0x2c @@ -116,7 +118,6 @@ enum { USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR, USB_CTRL_SETUP_OC3_DISABLE_SELECTOR, USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR, - USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_SELECTOR, USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR, USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR, USB_CTRL_USB_PM_USB_PWRDN_SELECTOR, @@ -203,7 +204,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, USB_CTRL_SETUP_OC3_DISABLE_MASK, 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ - USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK, 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, USB_CTRL_USB_PM_USB_PWRDN_MASK, @@ -225,7 +225,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ USB_CTRL_SETUP_OC3_DISABLE_MASK, USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, - USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK, 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK, 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ @@ -247,7 +246,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, USB_CTRL_SETUP_OC3_DISABLE_MASK, 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ - USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK, USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, USB_CTRL_USB_PM_USB_PWRDN_MASK, @@ -269,7 +267,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ USB_CTRL_SETUP_OC3_DISABLE_MASK, USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, - USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK, 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK, 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ @@ -291,7 +288,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ USB_CTRL_SETUP_OC3_DISABLE_MASK, 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ - USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK, 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK, USB_CTRL_USB_PM_USB_PWRDN_MASK, @@ -313,7 +309,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ 0, /* USB_CTRL_SETUP_OC3_DISABLE_MASK */ USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, - 0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK */ 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ 0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */ 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ @@ -335,7 +330,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, USB_CTRL_SETUP_OC3_DISABLE_MASK, 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ - 0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK */ USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, USB_CTRL_USB_PM_USB_PWRDN_MASK, @@ -357,7 +351,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ USB_CTRL_SETUP_OC3_DISABLE_MASK, USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, - 0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK */ 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ 0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */ 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ @@ -379,7 +372,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, USB_CTRL_SETUP_OC3_DISABLE_MASK, 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ - USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK, USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, USB_CTRL_USB_PM_USB_PWRDN_MASK, @@ -401,7 +393,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, USB_CTRL_SETUP_OC3_DISABLE_MASK, 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ - USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK, USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, USB_CTRL_USB_PM_USB_PWRDN_MASK, @@ -952,13 +943,17 @@ void brcm_usb_init_eohci(struct brcm_usb * Don't enable this so the memory controller doesn't read * into memory holes. NOTE: This bit is low true on 7366C0. */ - USB_CTRL_SET_FAMILY(params, EBRIDGE, ESTOP_SCB_REQ); + USB_CTRL_SET(ctrl, EBRIDGE, ESTOP_SCB_REQ); /* Setup the endian bits */ reg = brcmusb_readl(USB_CTRL_REG(ctrl, SETUP)); reg &= ~USB_CTRL_SETUP_ENDIAN_BITS; reg |= USB_CTRL_MASK_FAMILY(params, SETUP, ENDIAN); brcmusb_writel(reg, USB_CTRL_REG(ctrl, SETUP)); + + if (params->selected_family == BRCM_FAMILY_7271A0) + /* Enable LS keep alive fix for certain keyboards */ + USB_CTRL_SET(ctrl, OBRIDGE, LS_KEEP_ALIVE); } void brcm_usb_init_xhci(struct brcm_usb_init_params *params)