From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755712AbbAWPNn (ORCPT ); Fri, 23 Jan 2015 10:13:43 -0500 Received: from mga14.intel.com ([192.55.52.115]:30550 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752411AbbAWPNR (ORCPT ); Fri, 23 Jan 2015 10:13:17 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,454,1418112000"; d="scan'208";a="666508983" From: Heikki Krogerus To: Felipe Balbi , Greg Kroah-Hartman Cc: Baolu Lu , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Kishon Vijay Abraham I Subject: [PATCH 7/8] phy: helpers for USB ULPI PHY registering Date: Fri, 23 Jan 2015 17:12:57 +0200 Message-Id: <1422025978-178336-8-git-send-email-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1422025978-178336-1-git-send-email-heikki.krogerus@linux.intel.com> References: <1422025978-178336-1-git-send-email-heikki.krogerus@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ULPI PHYs need to be bound to their controllers with a lookup. This adds helpers that the ULPI drivers can use to do both, the registration of the PHY and the lookup, at the same time. Signed-off-by: Heikki Krogerus Cc: Kishon Vijay Abraham I --- drivers/phy/ulpi_phy.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 drivers/phy/ulpi_phy.h diff --git a/drivers/phy/ulpi_phy.h b/drivers/phy/ulpi_phy.h new file mode 100644 index 0000000..ac49fb6 --- /dev/null +++ b/drivers/phy/ulpi_phy.h @@ -0,0 +1,31 @@ +#include + +/** + * Helper that registers PHY for a ULPI device and adds a lookup for binding it + * and it's controller, which is always the parent. + */ +static inline struct phy +*ulpi_phy_create(struct ulpi *ulpi, struct phy_ops *ops) +{ + struct phy *phy; + int ret; + + phy = phy_create(&ulpi->dev, NULL, ops); + if (IS_ERR(phy)) + return phy; + + ret = phy_create_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent)); + if (ret) { + phy_destroy(phy); + return ERR_PTR(ret); + } + + return phy; +} + +/* Remove a PHY that was created with ulpi_phy_create() and it's lookup. */ +static inline void ulpi_phy_destroy(struct ulpi *ulpi, struct phy *phy) +{ + phy_remove_lookup(phy, "usb2-phy", dev_name(ulpi->dev.parent)); + phy_destroy(phy); +} -- 2.1.4