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platform/x86: Make intel_scu_ipc explicitly non-modular

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The Kconfig currently controlling compilation of this code is:

drivers/platform/x86/Kconfig:config INTEL_SCU_IPC
drivers/platform/x86/Kconfig:   bool "Intel SCU IPC Support"

...meaning that it currently is not being built as a module by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.

We explicitly disallow a driver unbind, since that doesn't have a
sensible use case anyway, and it allows us to drop the ".remove"
code for non-modular drivers.

Since module_pci_driver() uses the same init level priority as
builtin_pci_driver() the init ordering remains unchanged with
this commit.

Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.

We don't replace module.h with init.h since the file already has that.

We also delete the MODULE_LICENSE tag etc. since all that information
is already contained at the top of the file in the comments.

Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This commit is contained in:
Paul Gortmaker 2016-02-14 15:00:52 -05:00 committed by Darren Hart
parent 1f1ae997fd
commit f52ab44fb7
1 changed files with 4 additions and 31 deletions
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35
drivers/platform/x86/intel_scu_ipc.c
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@ -24,7 +24,6 @@
#include <linux/pci.h> #include <linux/pci.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/sfi.h> #include <linux/sfi.h>
#include <linux/module.h>
#include <asm/intel-mid.h> #include <asm/intel-mid.h>
#include <asm/intel_scu_ipc.h> #include <asm/intel_scu_ipc.h>
@ -611,28 +610,6 @@ static int ipc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0; return 0;
} }
/**
* ipc_remove - remove a bound IPC device
* @pdev: PCI device
*
* In practice the SCU is not removable but this function is also
* called for each device on a module unload or cleanup which is the
* path that will get used.
*
* Free up the mappings and release the PCI resources
*/
static void ipc_remove(struct pci_dev *pdev)
{
struct intel_scu_ipc_dev *scu = pci_get_drvdata(pdev);
mutex_lock(&ipclock);
scu->dev = NULL;
mutex_unlock(&ipclock);
iounmap(scu->i2c_base);
intel_scu_devices_destroy();
}
static const struct pci_device_id pci_ids[] = { static const struct pci_device_id pci_ids[] = {
{ {
PCI_VDEVICE(INTEL, PCI_DEVICE_ID_LINCROFT), PCI_VDEVICE(INTEL, PCI_DEVICE_ID_LINCROFT),
@ -650,17 +627,13 @@ static const struct pci_device_id pci_ids[] = {
0, 0,
} }
}; };
MODULE_DEVICE_TABLE(pci, pci_ids);
static struct pci_driver ipc_driver = { static struct pci_driver ipc_driver = {
.driver = {
.suppress_bind_attrs = true,
},
.name = "intel_scu_ipc", .name = "intel_scu_ipc",
.id_table = pci_ids, .id_table = pci_ids,
.probe = ipc_probe, .probe = ipc_probe,
.remove = ipc_remove,
}; };
builtin_pci_driver(ipc_driver);
module_pci_driver(ipc_driver);
MODULE_AUTHOR("Sreedhara DS <sreedhara.ds@intel.com>");
MODULE_DESCRIPTION("Intel SCU IPC driver");
MODULE_LICENSE("GPL");