linux-kernel - [PATCH] i2c: fix build bug in i2c-designware.c

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Message-ID: <20090625063221.GA17798@elte.hu>
Date:	Thu, 25 Jun 2009 08:32:21 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Baruch Siach <baruch@...s.co.il>,
	Ben Dooks <ben-linux@...ff.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] i2c: fix build bug in i2c-designware.c


Find below a minor build fix for a new ARM-only driver.

	Ingo

--------------->
>From 8bf467c9f4591f77e1d69bd78fb6cc4f1ff387f8 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@...e.hu>
Date: Thu, 25 Jun 2009 08:27:14 +0200
Subject: [PATCH] i2c: fix build bug in i2c-designware.c

This build error triggers on x86:

 drivers/built-in.o: In function `i2c_dw_init':
 i2c-designware.c:(.text+0x4e37ca): undefined reference to `clk_get_rate'
 drivers/built-in.o: In function `dw_i2c_probe':
 i2c-designware.c:(.devinit.text+0x51f5e): undefined reference to `clk_get'
 i2c-designware.c:(.devinit.text+0x51f76): undefined reference to `clk_enable'
 i2c-designware.c:(.devinit.text+0x520ff): undefined reference to `clk_disable'
 i2c-designware.c:(.devinit.text+0x52108): undefined reference to `clk_put'

Because this new driver uses the clk_*() facilities which is an
ARM-only thing currently.

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 drivers/i2c/busses/Kconfig |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index d56351a..0760f25 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -334,6 +334,7 @@ config I2C_DAVINCI
 
 config I2C_DESIGNWARE
 	tristate "Synopsys DesignWare"
+	depends on HAVE_CLK
 	help
 	  If you say yes to this option, support will be included for the
 	  Synopsys DesignWare I2C adapter. Only master mode is supported.

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