From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757076Ab1GKDmw (ORCPT ); Sun, 10 Jul 2011 23:42:52 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:49483 "EHLO opensource2.wolfsonmicro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757032Ab1GKDmq (ORCPT ); Sun, 10 Jul 2011 23:42:46 -0400 From: Mark Brown To: Jeremy Kerr Cc: Grant Likely , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sh@vger.kernel.org, patches@opensource.wolfsonmicro.com, Mark Brown Subject: [PATCH 2/6] clk: Provide a dummy clk_unregister() Date: Mon, 11 Jul 2011 11:53:53 +0900 Message-Id: <1310352837-4277-2-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1310352837-4277-1-git-send-email-broonie@opensource.wolfsonmicro.com> References: <20110711025344.GA27497@opensource.wolfsonmicro.com> <1310352837-4277-1-git-send-email-broonie@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Even though unregistration is not actually supported by the clk API it is still useful to provide a clk_unregister() so that drivers can implement their unregistration code. This saves having to go back later and update them once unregistration is possible. Signed-off-by: Mark Brown --- include/linux/clk.h | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/include/linux/clk.h b/include/linux/clk.h index 2ca4f66..df5c64f 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -149,6 +149,21 @@ extern struct clk_hw_ops clk_gate_ops; struct clk *clk_register(struct clk_hw_ops *ops, struct clk_hw *hw, const char *name); +/** + * clk_unregister - remove a clock + * + * @clk: clock to unregister + * + * Remove a clock from the clk subsystem. This is currently not + * implemented but is provided to allow unregistration code to be + * written in drivers ready for use when an implementation is + * provided. + */ +static inline int clk_unregister(struct clk *clk) +{ + return -ENOTSUPP; +} + #else /* !CONFIG_GENERIC_CLK */ /* -- 1.7.5.4