From: Haavard Skinnemoen <hskinnemoen@atmel.com>
Date: Mon, 29 Jan 2007 16:59:40 +0000 (+0100)
Subject: [AVR32] Don't reset PIO state at bootup
X-Git-Tag: v2.6.21-rc1~83^2~63^2~6
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dde251033f3e54619317269a908ce40e6f3a8d04;p=linux-2.6

[AVR32] Don't reset PIO state at bootup

Leave the PIO lines as the bootloader left them. This allows us to
use PIOE without disturbing the SDRAM muxing.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
---

diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 17e835de95..c3f596ce52 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -385,9 +385,6 @@ void __init at32_init_pio(struct platform_device *pdev)
 	 */
 	pio->gpio_mask = ~0UL;
 
-	pio_writel(pio, ODR, ~0UL);
-	pio_writel(pio, PER, ~0UL);
-
 	/* start with irqs disabled and acked */
 	pio_writel(pio, IDR, ~0UL);
 	(void) pio_readl(pio, ISR);