linux-kernel - [PATCH] ahci: Changing two module params with static and __read

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Message-ID: <1379436518.26153.31.camel@cliu38-desktop-build>
Date:	Wed, 18 Sep 2013 00:48:38 +0800
From:	Chuansheng Liu <chuansheng.liu@...el.com>
To:	tj@...nel.org
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	chuansheng.liu@...el.com
Subject: [PATCH] ahci: Changing two module params with static and
 __read_mostly


Here module parameters ahci_em_messages and devslp_idle_timeout can
be set as static and __read_mostly.

Signed-off-by: Liu, Chuansheng <chuansheng.liu@...el.com>
---
 drivers/ata/libahci.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index acfd0f7..1757631 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -189,14 +189,15 @@ struct ata_port_operations ahci_pmp_retry_srst_ops = {
 };
 EXPORT_SYMBOL_GPL(ahci_pmp_retry_srst_ops);
 
-int ahci_em_messages = 1;
+static int ahci_em_messages __read_mostly = 1;
 EXPORT_SYMBOL_GPL(ahci_em_messages);
 module_param(ahci_em_messages, int, 0444);
 /* add other LED protocol types when they become supported */
 MODULE_PARM_DESC(ahci_em_messages,
 	"AHCI Enclosure Management Message control (0 = off, 1 = on)");
 
-int devslp_idle_timeout = 1000;	/* device sleep idle timeout in ms */
+/* device sleep idle timeout in ms */
+static int devslp_idle_timeout __read_mostly = 1000;
 module_param(devslp_idle_timeout, int, 0644);
 MODULE_PARM_DESC(devslp_idle_timeout, "device sleep idle timeout");
 
-- 
1.7.9.5



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