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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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61
arch/m68k/coldfire/intc-5249.c Normal file
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/*
* intc2.c -- support for the 2nd INTC controller of the 5249
*
* (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
static void intc2_irq_gpio_mask(struct irq_data *d)
{
u32 imr;
imr = readl(MCFSIM2_GPIOINTENABLE);
imr &= ~(0x1 << (d->irq - MCF_IRQ_GPIO0));
writel(imr, MCFSIM2_GPIOINTENABLE);
}
static void intc2_irq_gpio_unmask(struct irq_data *d)
{
u32 imr;
imr = readl(MCFSIM2_GPIOINTENABLE);
imr |= (0x1 << (d->irq - MCF_IRQ_GPIO0));
writel(imr, MCFSIM2_GPIOINTENABLE);
}
static void intc2_irq_gpio_ack(struct irq_data *d)
{
writel(0x1 << (d->irq - MCF_IRQ_GPIO0), MCFSIM2_GPIOINTCLEAR);
}
static struct irq_chip intc2_irq_gpio_chip = {
.name = "CF-INTC2",
.irq_mask = intc2_irq_gpio_mask,
.irq_unmask = intc2_irq_gpio_unmask,
.irq_ack = intc2_irq_gpio_ack,
};
static int __init mcf_intc2_init(void)
{
int irq;
/* GPIO interrupt sources */
for (irq = MCF_IRQ_GPIO0; (irq <= MCF_IRQ_GPIO7); irq++) {
irq_set_chip(irq, &intc2_irq_gpio_chip);
irq_set_handler(irq, handle_edge_irq);
}
return 0;
}
arch_initcall(mcf_intc2_init);