linux-kernel - [PATCH V2 7/9] gadget/m66592: Remove conditional compilation of clk code

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Message-ID: <fa347aaef380908eb154f5aa01ccf0daa933cd49.1335246730.git.viresh.kumar@st.com>
Date:	Tue, 24 Apr 2012 11:26:15 +0530
From:	Viresh Kumar <viresh.kumar@...com>
To:	<akpm@...ux-foundation.org>
Cc:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <mturquette@...aro.org>,
	<sshtylyov@...sta.com>, <jgarzik@...hat.com>,
	<linux@....linux.org.uk>, <spear-devel@...t.st.com>,
	<viresh.linux@...il.com>, Viresh Kumar <viresh.kumar@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linux-usb@...r.kernel.org>
Subject: [PATCH V2 7/9] gadget/m66592: Remove conditional compilation of clk code

With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h,
there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif
macros.

Signed-off-by: Viresh Kumar <viresh.kumar@...com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-usb@...r.kernel.org
---
 drivers/usb/gadget/m66592-udc.c |   19 +++++--------------
 drivers/usb/gadget/m66592-udc.h |    5 -----
 2 files changed, 5 insertions(+), 19 deletions(-)

diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 3608b3b..34eee07 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -1583,12 +1583,10 @@ static int __exit m66592_remove(struct platform_device *pdev)
 	iounmap(m66592->reg);
 	free_irq(platform_get_irq(pdev, 0), m66592);
 	m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
-#ifdef CONFIG_HAVE_CLK
-	if (m66592->pdata->on_chip) {
+	if (m66592->pdata->on_chip && !IS_ERR(m66592->clk)) {
 		clk_disable(m66592->clk);
 		clk_put(m66592->clk);
 	}
-#endif
 	kfree(m66592);
 	return 0;
 }
@@ -1602,9 +1600,7 @@ static int __init m66592_probe(struct platform_device *pdev)
 	struct resource *res, *ires;
 	void __iomem *reg = NULL;
 	struct m66592 *m66592 = NULL;
-#ifdef CONFIG_HAVE_CLK
 	char clk_name[8];
-#endif
 	int ret = 0;
 	int i;
 
@@ -1671,19 +1667,17 @@ static int __init m66592_probe(struct platform_device *pdev)
 		goto clean_up;
 	}
 
-#ifdef CONFIG_HAVE_CLK
 	if (m66592->pdata->on_chip) {
 		snprintf(clk_name, sizeof(clk_name), "usbf%d", pdev->id);
 		m66592->clk = clk_get(&pdev->dev, clk_name);
 		if (IS_ERR(m66592->clk)) {
 			dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
 				clk_name);
-			ret = PTR_ERR(m66592->clk);
-			goto clean_up2;
+		} else {
+			clk_enable(m66592->clk);
 		}
-		clk_enable(m66592->clk);
 	}
-#endif
+
 	INIT_LIST_HEAD(&m66592->gadget.ep_list);
 	m66592->gadget.ep0 = &m66592->ep[0].ep;
 	INIT_LIST_HEAD(&m66592->gadget.ep0->ep_list);
@@ -1731,13 +1725,10 @@ err_add_udc:
 	m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
 
 clean_up3:
-#ifdef CONFIG_HAVE_CLK
-	if (m66592->pdata->on_chip) {
+	if (m66592->pdata->on_chip && !IS_ERR(m66592->clk)) {
 		clk_disable(m66592->clk);
 		clk_put(m66592->clk);
 	}
-clean_up2:
-#endif
 	free_irq(ires->start, m66592);
 clean_up:
 	if (m66592) {
diff --git a/drivers/usb/gadget/m66592-udc.h b/drivers/usb/gadget/m66592-udc.h
index 9d9f7e3..a044ad3 100644
--- a/drivers/usb/gadget/m66592-udc.h
+++ b/drivers/usb/gadget/m66592-udc.h
@@ -13,10 +13,7 @@
 #ifndef __M66592_UDC_H__
 #define __M66592_UDC_H__
 
-#ifdef CONFIG_HAVE_CLK
 #include <linux/clk.h>
-#endif
-
 #include <linux/usb/m66592.h>
 
 #define M66592_SYSCFG		0x00
@@ -468,9 +465,7 @@ struct m66592_ep {
 struct m66592 {
 	spinlock_t		lock;
 	void __iomem		*reg;
-#ifdef CONFIG_HAVE_CLK
 	struct clk *clk;
-#endif
 	struct m66592_platdata	*pdata;
 	unsigned long		irq_trigger;
 
-- 
1.7.9

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