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authorRussell King <rmk+kernel@armlinux.org.uk>2017-09-26 09:56:23 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-26 11:52:00 -0700
commite6c44368761c069b3749c6a5591fe1aa6042f648 (patch)
tree1c8e4debfff48c8f8cb4f31ceb10e5264199708b
parentc2690bd69788c618bb75e1c7a71582ea93375fdf (diff)
downloadlinux-e6c44368761c069b3749c6a5591fe1aa6042f648.tar.bz2
Input: sa1111ps2 - use sa1111_get_irq() to obtain IRQ resources
Use the provided sa1111_get_irq() to fetch the IRQ resources for the SA1111 PS/2 driver. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-rw-r--r--drivers/input/serio/sa1111ps2.c35
1 files changed, 24 insertions, 11 deletions
diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index b3e688911fd9..3b54050b9fc7 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -47,6 +47,8 @@ struct ps2if {
struct serio *io;
struct sa1111_dev *dev;
void __iomem *base;
+ int rx_irq;
+ int tx_irq;
unsigned int open;
spinlock_t lock;
unsigned int head;
@@ -126,7 +128,7 @@ static int ps2_write(struct serio *io, unsigned char val)
sa1111_writel(val, ps2if->base + PS2DATA);
} else {
if (ps2if->head == ps2if->tail)
- enable_irq(ps2if->dev->irq[1]);
+ enable_irq(ps2if->tx_irq);
head = (ps2if->head + 1) & (sizeof(ps2if->buf) - 1);
if (head != ps2if->tail) {
ps2if->buf[ps2if->head] = val;
@@ -147,28 +149,28 @@ static int ps2_open(struct serio *io)
if (ret)
return ret;
- ret = request_irq(ps2if->dev->irq[0], ps2_rxint, 0,
+ ret = request_irq(ps2if->rx_irq, ps2_rxint, 0,
SA1111_DRIVER_NAME(ps2if->dev), ps2if);
if (ret) {
printk(KERN_ERR "sa1111ps2: could not allocate IRQ%d: %d\n",
- ps2if->dev->irq[0], ret);
+ ps2if->rx_irq, ret);
sa1111_disable_device(ps2if->dev);
return ret;
}
- ret = request_irq(ps2if->dev->irq[1], ps2_txint, 0,
+ ret = request_irq(ps2if->tx_irq, ps2_txint, 0,
SA1111_DRIVER_NAME(ps2if->dev), ps2if);
if (ret) {
printk(KERN_ERR "sa1111ps2: could not allocate IRQ%d: %d\n",
- ps2if->dev->irq[1], ret);
- free_irq(ps2if->dev->irq[0], ps2if);
+ ps2if->tx_irq, ret);
+ free_irq(ps2if->rx_irq, ps2if);
sa1111_disable_device(ps2if->dev);
return ret;
}
ps2if->open = 1;
- enable_irq_wake(ps2if->dev->irq[0]);
+ enable_irq_wake(ps2if->rx_irq);
sa1111_writel(PS2CR_ENA, ps2if->base + PS2CR);
return 0;
@@ -180,12 +182,12 @@ static void ps2_close(struct serio *io)
sa1111_writel(0, ps2if->base + PS2CR);
- disable_irq_wake(ps2if->dev->irq[0]);
+ disable_irq_wake(ps2if->rx_irq);
ps2if->open = 0;
- free_irq(ps2if->dev->irq[1], ps2if);
- free_irq(ps2if->dev->irq[0], ps2if);
+ free_irq(ps2if->tx_irq, ps2if);
+ free_irq(ps2if->rx_irq, ps2if);
sa1111_disable_device(ps2if->dev);
}
@@ -264,7 +266,6 @@ static int ps2_probe(struct sa1111_dev *dev)
goto free;
}
-
serio->id.type = SERIO_8042;
serio->write = ps2_write;
serio->open = ps2_open;
@@ -279,6 +280,18 @@ static int ps2_probe(struct sa1111_dev *dev)
spin_lock_init(&ps2if->lock);
+ ps2if->rx_irq = sa1111_get_irq(dev, 0);
+ if (ps2if->rx_irq <= 0) {
+ ret = ps2if->rx_irq ? : -ENXIO;
+ goto free;
+ }
+
+ ps2if->tx_irq = sa1111_get_irq(dev, 1);
+ if (ps2if->tx_irq <= 0) {
+ ret = ps2if->tx_irq ? : -ENXIO;
+ goto free;
+ }
+
/*
* Request the physical region for this PS2 port.
*/