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SubjectRe: [linux-usb-devel] compile error when building multiple EHCI host controllers as modules
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On Mar 24, 2006, at 2:32 PM, Kumar Gala wrote:

>> The issue I have this is that it makes two (or more) things that were
>> independent now dependent. What about just moving the module_init/
>> exit() functions into files that are built separately. For the ehci-
>> fsl case it was trivial, need to look at ehci-pci case.
>
> Ok, my idea required exporting things I didn't really want to
> export, so
> what about something like this or where you thinking of some more
> sophisticated?
>
> If this is good, I'll do the same for ohci.

David, any comments?

- k

> diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-
> au1xxx.c
> index 63eadee..036a1c0 100644
> --- a/drivers/usb/host/ehci-au1xxx.c
> +++ b/drivers/usb/host/ehci-au1xxx.c
> @@ -280,18 +280,3 @@ static struct device_driver ehci_hcd_au1
> /*.suspend = ehci_hcd_au1xxx_drv_suspend, */
> /*.resume = ehci_hcd_au1xxx_drv_resume, */
> };
> -
> -static int __init ehci_hcd_au1xxx_init(void)
> -{
> - pr_debug(DRIVER_INFO " (Au1xxx)\n");
> -
> - return driver_register(&ehci_hcd_au1xxx_driver);
> -}
> -
> -static void __exit ehci_hcd_au1xxx_cleanup(void)
> -{
> - driver_unregister(&ehci_hcd_au1xxx_driver);
> -}
> -
> -module_init(ehci_hcd_au1xxx_init);
> -module_exit(ehci_hcd_au1xxx_cleanup);
> diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
> index f985f12..30410c2 100644
> --- a/drivers/usb/host/ehci-fsl.c
> +++ b/drivers/usb/host/ehci-fsl.c
> @@ -339,28 +339,3 @@ static struct platform_driver ehci_fsl_m
> .name = "fsl-usb2-mph",
> },
> };
> -
> -static int __init ehci_fsl_init(void)
> -{
> - int retval;
> -
> - pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n",
> - hcd_name,
> - sizeof(struct ehci_qh), sizeof(struct ehci_qtd),
> - sizeof(struct ehci_itd), sizeof(struct ehci_sitd));
> -
> - retval = platform_driver_register(&ehci_fsl_dr_driver);
> - if (retval)
> - return retval;
> -
> - return platform_driver_register(&ehci_fsl_mph_driver);
> -}
> -
> -static void __exit ehci_fsl_cleanup(void)
> -{
> - platform_driver_unregister(&ehci_fsl_mph_driver);
> - platform_driver_unregister(&ehci_fsl_dr_driver);
> -}
> -
> -module_init(ehci_fsl_init);
> -module_exit(ehci_fsl_cleanup);
> diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
> index 79f2d8b..549ce59 100644
> --- a/drivers/usb/host/ehci-hcd.c
> +++ b/drivers/usb/host/ehci-hcd.c
> @@ -905,3 +905,57 @@ MODULE_LICENSE ("GPL");
> #ifndef EHCI_BUS_GLUED
> #error "missing bus glue for ehci-hcd"
> #endif
> +
> +static int __init ehci_hcd_init(void)
> +{
> + int retval = 0;
> +
> + pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n",
> + hcd_name,
> + sizeof(struct ehci_qh), sizeof(struct ehci_qtd),
> + sizeof(struct ehci_itd), sizeof(struct ehci_sitd));
> +
> +#ifdef CONFIG_PPC_83xx
> + retval = platform_driver_register(&ehci_fsl_dr_driver);
> + if (retval < 0)
> + return retval;
> +
> + retval = platform_driver_register(&ehci_fsl_dr_driver);
> + if (retval < 0)
> + return retval;
> +#endif
> +
> +#ifdef CONFIG_SOC_AU1X00
> + pr_debug(DRIVER_INFO " (Au1xxx)\n");
> +
> + retval = driver_register(&ehci_hcd_au1xxx_driver);
> + if (retval < 0)
> + return retval;
> +#endif
> +
> +#ifdef CONFIG_PCI
> + retval = pci_register_driver(&ehci_pci_driver);
> + if (retval < 0)
> + return retval;
> +#endif
> +
> + return retval;
> +}
> +
> +static void __exit ehci_hcd_cleanup(void)
> +{
> +#ifdef CONFIG_PPC_83xx
> + platform_driver_unregister(&ehci_fsl_mph_driver);
> + platform_driver_unregister(&ehci_fsl_dr_driver);
> +#endif
> +#ifdef CONFIG_SOC_AU1X00
> + driver_unregister(&ehci_hcd_au1xxx_driver);
> +#endif
> +#ifdef CONFIG_PCI
> + pci_unregister_driver(&ehci_pci_driver);
> +#endif
> +}
> +
> +module_init(ehci_hcd_init);
> +module_exit(ehci_hcd_cleanup);
> +
> diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
> index 1e03f1a..e0641bc 100644
> --- a/drivers/usb/host/ehci-pci.c
> +++ b/drivers/usb/host/ehci-pci.c
> @@ -370,23 +370,3 @@ static struct pci_driver ehci_pci_driver
> .resume = usb_hcd_pci_resume,
> #endif
> };
> -
> -static int __init ehci_hcd_pci_init(void)
> -{
> - if (usb_disabled())
> - return -ENODEV;
> -
> - pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n",
> - hcd_name,
> - sizeof(struct ehci_qh), sizeof(struct ehci_qtd),
> - sizeof(struct ehci_itd), sizeof(struct ehci_sitd));
> -
> - return pci_register_driver(&ehci_pci_driver);
> -}
> -module_init(ehci_hcd_pci_init);
> -
> -static void __exit ehci_hcd_pci_cleanup(void)
> -{
> - pci_unregister_driver(&ehci_pci_driver);
> -}
> -module_exit(ehci_hcd_pci_cleanup);
>
> -
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