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authorMarc Zyngier <maz@misterjones.org>2008-08-18 13:08:42 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2008-10-17 14:40:52 -0700
commit27140219373327f2291da5d74a78db0105b15060 (patch)
tree1cbb0eab32d9b847b0f030982429045ff0e8f041 /drivers/usb/host/isp116x-hcd.c
parent7dbcbe88b1495f778f56c742391e49f580dc101a (diff)
downloadlinux-27140219373327f2291da5d74a78db0105b15060.tar.bz2
USB: Let some USB host controllers get IRQ flags from resource
[This version fixes a thinko in the r8a66597 driver] This patch let a few discrete USB host controllers drivers (isp116x-hcd, r8a66597-hcd and sl811-hcd) obtain IRQ flags from their IORESOURCE_IRQ resource if configured as such, much like it's been done for the smc91x driver. It spares people writing support for specific boards the burden to configure the interrupt controller independantly, and keeps all IRQ related information in a single resource. HCD that are integrally part of a SoC have been left aside, as there is probably no "wiring" options... Tested on an Xscale PXA-255 based platform with isp116x-hcd. Signed-off-by: Marc Zyngier <marc.zyngier@altran.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/isp116x-hcd.c')
-rw-r--r--drivers/usb/host/isp116x-hcd.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index ce1ca0ba0515..4dda31b26892 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1562,11 +1562,12 @@ static int __devinit isp116x_probe(struct platform_device *pdev)
{
struct usb_hcd *hcd;
struct isp116x *isp116x;
- struct resource *addr, *data;
+ struct resource *addr, *data, *ires;
void __iomem *addr_reg;
void __iomem *data_reg;
int irq;
int ret = 0;
+ unsigned long irqflags;
if (pdev->num_resources < 3) {
ret = -ENODEV;
@@ -1575,12 +1576,16 @@ static int __devinit isp116x_probe(struct platform_device *pdev)
data = platform_get_resource(pdev, IORESOURCE_MEM, 0);
addr = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- irq = platform_get_irq(pdev, 0);
- if (!addr || !data || irq < 0) {
+ ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+
+ if (!addr || !data || !ires) {
ret = -ENODEV;
goto err1;
}
+ irq = ires->start;
+ irqflags = ires->flags & IRQF_TRIGGER_MASK;
+
if (pdev->dev.dma_mask) {
DBG("DMA not supported\n");
ret = -EINVAL;
@@ -1634,7 +1639,7 @@ static int __devinit isp116x_probe(struct platform_device *pdev)
goto err6;
}
- ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+ ret = usb_add_hcd(hcd, irq, irqflags | IRQF_DISABLED);
if (ret)
goto err6;