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From: Alexander Shiyan <shc_work@mail.ru>
To: barebox@lists.infradead.org
Subject: [PATCH 3/3] ARM: ccmx51: Add powerup delay for LAN9221
Date: Fri,  8 Feb 2013 16:28:28 +0400	[thread overview]
Message-ID: <1360326508-30214-3-git-send-email-shc_work@mail.ru> (raw)
In-Reply-To: <1360326508-30214-1-git-send-email-shc_work@mail.ru>

LAN9221 requires 50ms delay after power up. This patch adds this delay.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
 arch/arm/boards/ccxmx51/ccxmx51.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/arm/boards/ccxmx51/ccxmx51.c b/arch/arm/boards/ccxmx51/ccxmx51.c
index 01e0204..b1c579b 100644
--- a/arch/arm/boards/ccxmx51/ccxmx51.c
+++ b/arch/arm/boards/ccxmx51/ccxmx51.c
@@ -364,8 +364,10 @@ static int ccxmx51_power_init(void)
 	/* GP02 - LAN9221 Power */
 	/* GP03 - FEC Reset */
 	/* GP04 - Wireless Power */
-	if (IS_ENABLED(CONFIG_DRIVER_NET_SMC911X) && ccxmx51_id->eth1)
+	if (IS_ENABLED(CONFIG_DRIVER_NET_SMC911X) && ccxmx51_id->eth1) {
 		val |= (1 << 8);
+		mdelay(50);
+	}
 	if (IS_ENABLED(CONFIG_DRIVER_NET_FEC_IMX) && ccxmx51_id->eth0)
 		val |= (1 << 10);
 	if (ccxmx51_id->wless)
-- 
1.7.3.4


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  parent reply	other threads:[~2013-02-08 12:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-08 12:28 [PATCH 1/3] ARM: ccmx51: Fix printing board HW-revision Alexander Shiyan
2013-02-08 12:28 ` [PATCH 2/3] ARM: ccmx51: Replace ifdefs with IS_ENABLED Alexander Shiyan
2013-02-08 12:28 ` Alexander Shiyan [this message]
2013-02-11  9:51 ` [PATCH 1/3] ARM: ccmx51: Fix printing board HW-revision Sascha Hauer

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