summaryrefslogtreecommitdiffstats
path: root/drivers/usb/host/isp1760-if.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 11:17:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 11:17:39 -0700
commit61a091827e273650b39eb87c799a6d260913fa0b (patch)
tree19f0a4840fc90da6ca3787ee7efacb5bb0c6c7a2 /drivers/usb/host/isp1760-if.c
parent0c93ea4064a209cdc36de8a9a3003d43d08f46f7 (diff)
parentfd8345f8dea93691b0ceba55146088d8c05415f6 (diff)
downloadlinux-61a091827e273650b39eb87c799a6d260913fa0b.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (97 commits) USB: qcserial: add device id for HP devices USB: isp1760: Add a delay before reading the SKIPMAP registers in isp1760-hcd.c USB: allow malformed LANGID descriptors USB: pxa27x_udc: typo fixes and code cleanups USB: gadget: gadget zero uses new suspend/resume hooks USB: gadget: composite device-level suspend/resume hooks USB: r8a66597-hcd: suspend/resume support USB: more u32 conversion after transfer_buffer_length and actual_length USB: Fix cp2101 USB serial device driver termios functions for console use USB: CP2101 New Device ID USB: ipaq: handle 4 endpoint devices USB: S3C: Move usb-control.h to platform include USB: ohci-hcd: Add ARCH_S3C24XX to the ohci-s3c2410.c glue USB: pedantic: spelling correction in comment for ch9.h USB: host: fix sparse warning: Using plain integer as NULL pointer USB: ohci-s3c2410: fix name of bus clock USB: ohci-s3c2410: remove <mach/hardware.h> include USB: serial: rename cp2101 driver to cp210x USB: CP2101 Reduce Error Logging USB: CP2101 Support AN205 baud rates ...
Diffstat (limited to 'drivers/usb/host/isp1760-if.c')
-rw-r--r--drivers/usb/host/isp1760-if.c95
1 files changed, 79 insertions, 16 deletions
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 4cf7ca428b33..3fa3a1702796 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -10,6 +10,7 @@
#include <linux/usb.h>
#include <linux/io.h>
+#include <linux/platform_device.h>
#include "../core/hcd.h"
#include "isp1760-hcd.h"
@@ -300,39 +301,101 @@ static struct pci_driver isp1761_pci_driver = {
};
#endif
+static int __devinit isp1760_plat_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+ struct usb_hcd *hcd;
+ struct resource *mem_res;
+ struct resource *irq_res;
+ resource_size_t mem_size;
+ unsigned long irqflags = IRQF_SHARED | IRQF_DISABLED;
+
+ mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem_res) {
+ pr_warning("isp1760: Memory resource not available\n");
+ ret = -ENODEV;
+ goto out;
+ }
+ mem_size = resource_size(mem_res);
+ if (!request_mem_region(mem_res->start, mem_size, "isp1760")) {
+ pr_warning("isp1760: Cannot reserve the memory resource\n");
+ ret = -EBUSY;
+ goto out;
+ }
+
+ irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!irq_res) {
+ pr_warning("isp1760: IRQ resource not available\n");
+ return -ENODEV;
+ }
+ irqflags |= irq_res->flags & IRQF_TRIGGER_MASK;
+
+ hcd = isp1760_register(mem_res->start, mem_size, irq_res->start,
+ irqflags, &pdev->dev, dev_name(&pdev->dev), 0);
+ if (IS_ERR(hcd)) {
+ pr_warning("isp1760: Failed to register the HCD device\n");
+ ret = -ENODEV;
+ goto cleanup;
+ }
+
+ pr_info("ISP1760 USB device initialised\n");
+ return ret;
+
+cleanup:
+ release_mem_region(mem_res->start, mem_size);
+out:
+ return ret;
+}
+
+static int __devexit isp1760_plat_remove(struct platform_device *pdev)
+{
+ struct resource *mem_res;
+ resource_size_t mem_size;
+
+ mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ mem_size = resource_size(mem_res);
+ release_mem_region(mem_res->start, mem_size);
+
+ return 0;
+}
+
+static struct platform_driver isp1760_plat_driver = {
+ .probe = isp1760_plat_probe,
+ .remove = isp1760_plat_remove,
+ .driver = {
+ .name = "isp1760",
+ },
+};
+
static int __init isp1760_init(void)
{
- int ret;
+ int ret, any_ret = -ENODEV;
init_kmem_once();
+ ret = platform_driver_register(&isp1760_plat_driver);
+ if (!ret)
+ any_ret = 0;
#ifdef CONFIG_PPC_OF
ret = of_register_platform_driver(&isp1760_of_driver);
- if (ret) {
- deinit_kmem_cache();
- return ret;
- }
+ if (!ret)
+ any_ret = 0;
#endif
#ifdef CONFIG_PCI
ret = pci_register_driver(&isp1761_pci_driver);
- if (ret)
- goto unreg_of;
+ if (!ret)
+ any_ret = 0;
#endif
- return ret;
-#ifdef CONFIG_PCI
-unreg_of:
-#endif
-#ifdef CONFIG_PPC_OF
- of_unregister_platform_driver(&isp1760_of_driver);
-#endif
- deinit_kmem_cache();
- return ret;
+ if (any_ret)
+ deinit_kmem_cache();
+ return any_ret;
}
module_init(isp1760_init);
static void __exit isp1760_exit(void)
{
+ platform_driver_unregister(&isp1760_plat_driver);
#ifdef CONFIG_PPC_OF
of_unregister_platform_driver(&isp1760_of_driver);
#endif