pcmcia: re-work pcmcia_request_irq()

Instead of the old pcmcia_request_irq() interface, drivers may now
choose between:

- calling request_irq/free_irq directly. Use the IRQ from *p_dev->irq.

- use pcmcia_request_irq(p_dev, handler_t); the PCMCIA core will
  clean up automatically on calls to pcmcia_disable_device() or
  device ejection.

- drivers still not capable of IRQF_SHARED (or not telling us so) may
  use the deprecated pcmcia_request_exclusive_irq() for the time
  being; they might receive a shared IRQ nonetheless.

CC: linux-bluetooth@vger.kernel.org
CC: netdev@vger.kernel.org
CC: linux-wireless@vger.kernel.org
CC: linux-serial@vger.kernel.org
CC: alsa-devel@alsa-project.org
CC: linux-usb@vger.kernel.org
CC: linux-ide@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski
2010-03-07 12:21:16 +01:00
orang tua a7debe789d
melakukan eb14120f74
58 mengubah file dengan 244 tambahan dan 593 penghapusan

Melihat File

@@ -107,9 +107,6 @@ static int avmcs_probe(struct pcmcia_device *p_dev)
p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
p_dev->io.NumPorts2 = 0;
/* Interrupt setup */
p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
/* General socket configuration */
p_dev->conf.Attributes = CONF_ENABLE_IRQ;
p_dev->conf.IntType = INT_MEMORY_AND_IO;
@@ -172,7 +169,7 @@ static int avmcs_configcheck(struct pcmcia_device *p_dev,
static int avmcs_config(struct pcmcia_device *link)
{
local_info_t *dev;
int i;
int i = -1;
char devname[128];
int cardtype;
int (*addcard)(unsigned int port, unsigned irq);
@@ -190,11 +187,7 @@ static int avmcs_config(struct pcmcia_device *link)
return -ENODEV;
do {
/*
* allocate an interrupt line
*/
i = pcmcia_request_irq(link, &link->irq);
if (i != 0) {
if (!link->irq) {
/* undo */
pcmcia_disable_device(link);
break;
@@ -249,9 +242,9 @@ static int avmcs_config(struct pcmcia_device *link)
default:
case AVM_CARDTYPE_B1: addcard = b1pcmcia_addcard_b1; break;
}
if ((i = (*addcard)(link->io.BasePort1, link->irq.AssignedIRQ)) < 0) {
if ((i = (*addcard)(link->io.BasePort1, link->irq)) < 0) {
printk(KERN_ERR "avm_cs: failed to add AVM-%s-Controller at i/o %#x, irq %d\n",
dev->node.dev_name, link->io.BasePort1, link->irq.AssignedIRQ);
dev->node.dev_name, link->io.BasePort1, link->irq);
avmcs_release(link);
return -ENODEV;
}
@@ -270,7 +263,7 @@ static int avmcs_config(struct pcmcia_device *link)
static void avmcs_release(struct pcmcia_device *link)
{
b1pcmcia_delcard(link->io.BasePort1, link->irq.AssignedIRQ);
b1pcmcia_delcard(link->io.BasePort1, link->irq);
pcmcia_disable_device(link);
} /* avmcs_release */