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FMC Bus
Commit 70e87341 authored by Alessandro Rubini's avatar Alessandro Rubini
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fmc-trivial: configure gpio in the carrier 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent 5e89cd96
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kernel/fmc-trivial.c
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......@@ -2,6 +2,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/fmc.h>
#include "spec.h"
......@@ -16,6 +17,18 @@ irqreturn_t t_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
struct fmc_gpio t_gpio[] = {
{
.gpio = FMC_GPIO_IRQ(0),
.mode = GPIOF_DIR_IN,
.irqmode = IRQF_TRIGGER_RISING,
}, {
.gpio = FMC_GPIO_IRQ(1),
.mode = GPIOF_DIR_IN,
.irqmode = IRQF_TRIGGER_RISING,
}
};
int t_probe(struct fmc_device *fmc)
{
int ret;
......@@ -28,6 +41,8 @@ int t_probe(struct fmc_device *fmc)
ret = fmc->op->irq_request(fmc, t_handler, "fmc-trivial", 0);
if (ret < 0)
return ret;
/* ignore error code of call below, we really don't care */
fmc->op->gpio_config(fmc, t_gpio, ARRAY_SIZE(t_gpio));
/* Reprogram, if asked to. ESRCH == no filename specified */
ret = fmc->op->reprogram(fmc, &t_drv,"");
......
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