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authorGravatar Arnd Bergmann <arnd@arndb.de> 2019-09-11 16:10:33 +0200
committerGravatar Arnd Bergmann <arnd@arndb.de> 2022-05-07 22:55:47 +0200
commit047dc2a21ed01437f99bc78c55a8ff86dfe3493e (patch)
tree226a7f02e444fcf33652b1d7effd5e976426340c /drivers/usb/gadget
parentARM: pxa: hx4700: use gpio descriptors for audio (diff)
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ARM: pxa: lubbock: pass udc irqs as resource
Lubbock is the only machine that has three IRQs for the UDC. These are currently hardcoded in the driver based on a machine header file. Change this to use platform device resources as we use for the generic IRQ anyway. Cc: Felipe Balbi <balbi@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-usb@vger.kernel.org Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/udc/pxa25x_udc.c37
-rw-r--r--drivers/usb/gadget/udc/pxa25x_udc.h7
2 files changed, 21 insertions, 23 deletions
diff --git a/drivers/usb/gadget/udc/pxa25x_udc.c b/drivers/usb/gadget/udc/pxa25x_udc.c
index 6c414c99d01c..c593fc383481 100644
--- a/drivers/usb/gadget/udc/pxa25x_udc.c
+++ b/drivers/usb/gadget/udc/pxa25x_udc.c
@@ -44,10 +44,6 @@
#include <linux/usb/gadget.h>
#include <linux/usb/otg.h>
-#ifdef CONFIG_ARCH_LUBBOCK
-#include <mach/lubbock.h>
-#endif
-
#define UDCCR 0x0000 /* UDC Control Register */
#define UDC_RES1 0x0004 /* UDC Undocumented - Reserved1 */
#define UDC_RES2 0x0008 /* UDC Undocumented - Reserved2 */
@@ -1578,18 +1574,15 @@ lubbock_vbus_irq(int irq, void *_dev)
int vbus;
dev->stats.irqs++;
- switch (irq) {
- case LUBBOCK_USB_IRQ:
+ if (irq == dev->usb_irq) {
vbus = 1;
- disable_irq(LUBBOCK_USB_IRQ);
- enable_irq(LUBBOCK_USB_DISC_IRQ);
- break;
- case LUBBOCK_USB_DISC_IRQ:
+ disable_irq(dev->usb_irq);
+ enable_irq(dev->usb_disc_irq);
+ } else if (irq == dev->usb_disc_irq) {
vbus = 0;
- disable_irq(LUBBOCK_USB_DISC_IRQ);
- enable_irq(LUBBOCK_USB_IRQ);
- break;
- default:
+ disable_irq(dev->usb_disc_irq);
+ enable_irq(dev->usb_irq);
+ } else {
return IRQ_NONE;
}
@@ -2422,20 +2415,28 @@ static int pxa25x_udc_probe(struct platform_device *pdev)
#ifdef CONFIG_ARCH_LUBBOCK
if (machine_is_lubbock()) {
- retval = devm_request_irq(&pdev->dev, LUBBOCK_USB_DISC_IRQ,
+ dev->usb_irq = platform_get_irq(pdev, 1);
+ if (dev->usb_irq < 0)
+ return dev->usb_irq;
+
+ dev->usb_disc_irq = platform_get_irq(pdev, 2);
+ if (dev->usb_disc_irq < 0)
+ return dev->usb_disc_irq;
+
+ retval = devm_request_irq(&pdev->dev, dev->usb_disc_irq,
lubbock_vbus_irq, 0, driver_name,
dev);
if (retval != 0) {
pr_err("%s: can't get irq %i, err %d\n",
- driver_name, LUBBOCK_USB_DISC_IRQ, retval);
+ driver_name, dev->usb_disc_irq, retval);
goto err;
}
- retval = devm_request_irq(&pdev->dev, LUBBOCK_USB_IRQ,
+ retval = devm_request_irq(&pdev->dev, dev->usb_irq,
lubbock_vbus_irq, 0, driver_name,
dev);
if (retval != 0) {
pr_err("%s: can't get irq %i, err %d\n",
- driver_name, LUBBOCK_USB_IRQ, retval);
+ driver_name, dev->usb_irq, retval);
goto err;
}
} else
diff --git a/drivers/usb/gadget/udc/pxa25x_udc.h b/drivers/usb/gadget/udc/pxa25x_udc.h
index aa4b68fd9fc0..6ab6047edc83 100644
--- a/drivers/usb/gadget/udc/pxa25x_udc.h
+++ b/drivers/usb/gadget/udc/pxa25x_udc.h
@@ -117,16 +117,13 @@ struct pxa25x_udc {
u64 dma_mask;
struct pxa25x_ep ep [PXA_UDC_NUM_ENDPOINTS];
void __iomem *regs;
+ int usb_irq;
+ int usb_disc_irq;
};
#define to_pxa25x(g) (container_of((g), struct pxa25x_udc, gadget))
/*-------------------------------------------------------------------------*/
-#ifdef CONFIG_ARCH_LUBBOCK
-#include <mach/lubbock.h>
-/* lubbock can also report usb connect/disconnect irqs */
-#endif
-
static struct pxa25x_udc *the_controller;
/*-------------------------------------------------------------------------*/