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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-28 03:17:02 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-28 03:17:02 +0200
commit9e4db1c3eed55c22328d8022c2c80adb3093833f (patch)
tree9643545e6bd182f1d3e19942f590a6a1e3198320 /drivers/input/serio/rpckbd.c
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
parentMerge branches 'acorn', 'ebsa110' and 'sa11x0' into platforms (diff)
downloadlinux-9e4db1c3eed55c22328d8022c2c80adb3093833f.tar.xz
linux-9e4db1c3eed55c22328d8022c2c80adb3093833f.zip
Merge branch 'platforms' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM platform updates from Russell King: "This covers platform stuff for platforms I have a direct interest in (iow, I have the hardware). Essentially: - as we no longer support any other Acorn platforms other than RiscPC anymore, we can collect all that code into mach-rpc. - convert Acorn expansion card stuff to use IRQ allocation functions, and get rid of NO_IRQ from there. - cleanups to the ebsa110 platform to move some private stuff out of its header files. - large amount of SA11x0 updates: - conversion of private DMA implementation to DMA engine support (this actually gives us greater flexibility in drivers over the old API.) - re-worked ucb1x00 updates - convert to genirq, remove sa11x0 dependencies, fix various minor issues - move platform specific sa11x0 framebuffer data into platform files in arch/arm instead of keeping this in the driver itself - update sa11x0 IrDA driver for DMA engine, and allow it to use DMA for SIR transmissions as well as FIR - rework sa1111 support for genirq, and irq allocation - fix sa1111 IRQ support so it works again - use sparse IRQ support After this, I have one more pull request remaining from my current set, which I think is going to be the most problematical as it generates 8 conflicts." Fixed up the trivial conflict in arch/arm/mach-rpc/Makefile as per Russell. * 'platforms' of git://git.linaro.org/people/rmk/linux-arm: (125 commits) ARM: 7343/1: sa11x0: convert to sparse IRQ ARM: 7342/2: sa1100: prepare for sparse irq conversion ARM: 7341/1: input: prepare jornada720 keyboard and ts for sa11x0 sparse irq ARM: 7340/1: rtc: sa1100: include mach/irqs.h instead of asm/irq.h ARM: sa11x0: remove unused DMA controller definitions ARM: sa11x0: remove old SoC private DMA driver USB: sa1111: add hcd .reset method USB: sa1111: add OHCI shutdown methods USB: sa1111: reorganize ohci-sa1111.c USB: sa1111: get rid of nasty printk(KERN_DEBUG "%s: ...", __FILE__) USB: sa1111: sparse and checkpatch cleanups ARM: sa11x0: don't static map sa1111 ARM: sa1111: use dev_err() rather than printk() ARM: sa1111: cleanup sub-device registration and unregistration ARM: sa1111: only setup DMA for DMA capable devices ARM: sa1111: register sa1111 devices with dmabounce in bus notifier ARM: sa1111: move USB interface register definitions to ohci-sa1111.c ARM: sa1111: move PCMCIA interface register definitions to sa1111_generic.c ARM: sa1111: move PS/2 interface register definitions to sa1111p2.c ARM: sa1111: delete unused physical GPIO register definitions ...
Diffstat (limited to 'drivers/input/serio/rpckbd.c')
-rw-r--r--drivers/input/serio/rpckbd.c44
1 files changed, 37 insertions, 7 deletions
diff --git a/drivers/input/serio/rpckbd.c b/drivers/input/serio/rpckbd.c
index 8b44ddc8041c..58b224498b35 100644
--- a/drivers/input/serio/rpckbd.c
+++ b/drivers/input/serio/rpckbd.c
@@ -36,7 +36,6 @@
#include <linux/io.h>
#include <linux/slab.h>
-#include <asm/irq.h>
#include <mach/hardware.h>
#include <asm/hardware/iomd.h>
#include <asm/system.h>
@@ -46,6 +45,11 @@ MODULE_DESCRIPTION("Acorn RiscPC PS/2 keyboard controller driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:kart");
+struct rpckbd_data {
+ int tx_irq;
+ int rx_irq;
+};
+
static int rpckbd_write(struct serio *port, unsigned char val)
{
while (!(iomd_readb(IOMD_KCTRL) & (1 << 7)))
@@ -78,19 +82,21 @@ static irqreturn_t rpckbd_tx(int irq, void *dev_id)
static int rpckbd_open(struct serio *port)
{
+ struct rpckbd_data *rpckbd = port->port_data;
+
/* Reset the keyboard state machine. */
iomd_writeb(0, IOMD_KCTRL);
iomd_writeb(8, IOMD_KCTRL);
iomd_readb(IOMD_KARTRX);
- if (request_irq(IRQ_KEYBOARDRX, rpckbd_rx, 0, "rpckbd", port) != 0) {
+ if (request_irq(rpckbd->rx_irq, rpckbd_rx, 0, "rpckbd", port) != 0) {
printk(KERN_ERR "rpckbd.c: Could not allocate keyboard receive IRQ\n");
return -EBUSY;
}
- if (request_irq(IRQ_KEYBOARDTX, rpckbd_tx, 0, "rpckbd", port) != 0) {
+ if (request_irq(rpckbd->tx_irq, rpckbd_tx, 0, "rpckbd", port) != 0) {
printk(KERN_ERR "rpckbd.c: Could not allocate keyboard transmit IRQ\n");
- free_irq(IRQ_KEYBOARDRX, port);
+ free_irq(rpckbd->rx_irq, port);
return -EBUSY;
}
@@ -99,8 +105,10 @@ static int rpckbd_open(struct serio *port)
static void rpckbd_close(struct serio *port)
{
- free_irq(IRQ_KEYBOARDRX, port);
- free_irq(IRQ_KEYBOARDTX, port);
+ struct rpckbd_data *rpckbd = port->port_data;
+
+ free_irq(rpckbd->rx_irq, port);
+ free_irq(rpckbd->tx_irq, port);
}
/*
@@ -109,17 +117,35 @@ static void rpckbd_close(struct serio *port)
*/
static int __devinit rpckbd_probe(struct platform_device *dev)
{
+ struct rpckbd_data *rpckbd;
struct serio *serio;
+ int tx_irq, rx_irq;
+
+ rx_irq = platform_get_irq(dev, 0);
+ if (rx_irq <= 0)
+ return rx_irq < 0 ? rx_irq : -ENXIO;
+
+ tx_irq = platform_get_irq(dev, 1);
+ if (tx_irq <= 0)
+ return tx_irq < 0 ? tx_irq : -ENXIO;
serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
- if (!serio)
+ rpckbd = kzalloc(sizeof(*rpckbd), GFP_KERNEL);
+ if (!serio || !rpckbd) {
+ kfree(rpckbd);
+ kfree(serio);
return -ENOMEM;
+ }
+
+ rpckbd->rx_irq = rx_irq;
+ rpckbd->tx_irq = tx_irq;
serio->id.type = SERIO_8042;
serio->write = rpckbd_write;
serio->open = rpckbd_open;
serio->close = rpckbd_close;
serio->dev.parent = &dev->dev;
+ serio->port_data = rpckbd;
strlcpy(serio->name, "RiscPC PS/2 kbd port", sizeof(serio->name));
strlcpy(serio->phys, "rpckbd/serio0", sizeof(serio->phys));
@@ -131,7 +157,11 @@ static int __devinit rpckbd_probe(struct platform_device *dev)
static int __devexit rpckbd_remove(struct platform_device *dev)
{
struct serio *serio = platform_get_drvdata(dev);
+ struct rpckbd_data *rpckbd = serio->port_data;
+
serio_unregister_port(serio);
+ kfree(rpckbd);
+
return 0;
}