i7300_idle: Disable ioat channel only on platforms where ile driver can load

[mirror_ubuntu-zesty-kernel.git] / drivers / idle / i7300_idle.c

diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c
index 59d1bbc3cd3c2756a126348ca0163ac863543db7..79d47f284cd68b68faf9cfe25138a243170188f6 100644 (file)
--- a/drivers/idle/i7300_idle.c
+++ b/drivers/idle/i7300_idle.c
@@ -25,6 +25,7 @@
 #include <linux/delay.h>
 #include <linux/debugfs.h>
 #include <linux/stop_machine.h>
+#include <linux/i7300_idle.h>
 
 #include <asm/idle.h>
 
@@ -505,77 +506,8 @@ static struct notifier_block i7300_idle_nb = {
        .notifier_call = i7300_idle_notifier,
 };
 
-/*
- * I/O AT controls (PCI bus 0 device 8 function 0)
- * DIMM controls (PCI bus 0 device 16 function 1)
- */
-#define IOAT_BUS 0
-#define IOAT_DEVFN PCI_DEVFN(8, 0)
-#define MEMCTL_BUS 0
-#define MEMCTL_DEVFN PCI_DEVFN(16, 1)
-
-struct fbd_ioat {
-       unsigned int vendor;
-       unsigned int ioat_dev;
-};
-
-/*
- * The i5000 chip-set has the same hooks as the i7300
- * but support is disabled by default because this driver
- * has not been validated on that platform.
- */
-#define SUPPORT_I5000 0
-
-static const struct fbd_ioat fbd_ioat_list[] = {
-       {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT_CNB},
-#if SUPPORT_I5000
-       {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT},
-#endif
-       {0, 0}
-};
-
-/* table of devices that work with this driver */
-static const struct pci_device_id pci_tbl[] = {
-       { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_FBD_CNB) },
-#if SUPPORT_I5000
-       { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_5000_ERR) },
-#endif
-       { } /* Terminating entry */
-};
-
 MODULE_DEVICE_TABLE(pci, pci_tbl);
 
-/* Check for known platforms with I/O-AT */
-static int __init i7300_idle_platform_probe(void)
-{
-       int i;
-
-       fbd_dev = pci_get_bus_and_slot(MEMCTL_BUS, MEMCTL_DEVFN);
-       if (!fbd_dev)
-               return -ENODEV;
-
-       for (i = 0; pci_tbl[i].vendor != 0; i++) {
-               if (fbd_dev->vendor == pci_tbl[i].vendor &&
-                   fbd_dev->device == pci_tbl[i].device) {
-                       break;
-               }
-       }
-       if (pci_tbl[i].vendor == 0)
-               return -ENODEV;
-
-       ioat_dev = pci_get_bus_and_slot(IOAT_BUS, IOAT_DEVFN);
-       if (!ioat_dev)
-               return -ENODEV;
-
-       for (i = 0; fbd_ioat_list[i].vendor != 0; i++) {
-               if (ioat_dev->vendor == fbd_ioat_list[i].vendor &&
-                   ioat_dev->device == fbd_ioat_list[i].ioat_dev) {
-                       return 0;
-               }
-       }
-       return -ENODEV;
-}
-
 int stats_open_generic(struct inode *inode, struct file *fp)
 {
        fp->private_data = inode->i_private;
@@ -617,7 +549,7 @@ static int __init i7300_idle_init(void)
        cpus_clear(idle_cpumask);
        total_us = 0;
 
-       if (i7300_idle_platform_probe())
+       if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev))
                return -ENODEV;
 
        if (i7300_idle_thrt_save())