Merge tag 'v3.15-rc1' into patchwork

Linux 3.15-rc1

* tag 'v3.15-rc1': (12180 commits)
  Linux 3.15-rc1
  mm: Initialize error in shmem_file_aio_read()
  cifs: Use min_t() when comparing "size_t" and "unsigned long"
  sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue
  powerpc: Don't try to set LPCR unless we're in hypervisor mode
  futex: update documentation for ordering guarantees
  ceph: fix pr_fmt() redefinition
  vti: don't allow to add the same tunnel twice
  gre: don't allow to add the same tunnel twice
  drivers: net: xen-netfront: fix array initialization bug
  missing bits of "splice: fix racy pipe->buffers uses"
  cifs: fix the race in cifs_writev()
  ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
  pktgen: be friendly to LLTX devices
  r8152: check RTL8152_UNPLUG
  net: sun4i-emac: add promiscuous support
  net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
  blackfin: cleanup board files
  bf609: clock: drop unused clock bit set/clear functions
  Blackfin: bf537: rename "CONFIG_ADT75"
  ...

1 files changed, 0 insertions, 224 deletions

diff --git a/drivers/platform/x86/intel_baytrail.c b/drivers/platform/x86/intel_baytrail.c
deleted file mode 100644
index f96626b17260..000000000000
--- a/drivers/platform/x86/intel_baytrail.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/*
- * Baytrail IOSF-SB MailBox Interface Driver
- * Copyright (c) 2013, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- *
- * The IOSF-SB is a fabric bus available on Atom based SOC's that uses a
- * mailbox interface (MBI) to communicate with mutiple devices. This
- * driver implements BayTrail-specific access to this interface.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/pci.h>
-
-#include "intel_baytrail.h"
-
-static DEFINE_SPINLOCK(iosf_mbi_lock);
-
-static inline u32 iosf_mbi_form_mcr(u8 op, u8 port, u8 offset)
-{
-	return (op << 24) | (port << 16) | (offset << 8) | BT_MBI_ENABLE;
-}
-
-static struct pci_dev *mbi_pdev;	/* one mbi device */
-
-/* Hold lock before calling */
-static int iosf_mbi_pci_read_mdr(u32 mcrx, u32 mcr, u32 *mdr)
-{
-	int result;
-
-	if (!mbi_pdev)
-		return -ENODEV;
-
-	if (mcrx) {
-		result = pci_write_config_dword(mbi_pdev,
-						BT_MBI_MCRX_OFFSET, mcrx);
-		if (result < 0)
-			goto iosf_mbi_read_err;
-	}
-
-	result = pci_write_config_dword(mbi_pdev,
-					BT_MBI_MCR_OFFSET, mcr);
-	if (result < 0)
-		goto iosf_mbi_read_err;
-
-	result = pci_read_config_dword(mbi_pdev,
-				       BT_MBI_MDR_OFFSET, mdr);
-	if (result < 0)
-		goto iosf_mbi_read_err;
-
-	return 0;
-
-iosf_mbi_read_err:
-	dev_err(&mbi_pdev->dev, "error: PCI config operation returned %d\n",
-		result);
-	return result;
-}
-
-/* Hold lock before calling */
-static int iosf_mbi_pci_write_mdr(u32 mcrx, u32 mcr, u32 mdr)
-{
-	int result;
-
-	if (!mbi_pdev)
-		return -ENODEV;
-
-	result = pci_write_config_dword(mbi_pdev,
-					BT_MBI_MDR_OFFSET, mdr);
-	if (result < 0)
-		goto iosf_mbi_write_err;
-
-	if (mcrx) {
-		result = pci_write_config_dword(mbi_pdev,
-			 BT_MBI_MCRX_OFFSET, mcrx);
-		if (result < 0)
-			goto iosf_mbi_write_err;
-	}
-
-	result = pci_write_config_dword(mbi_pdev,
-					BT_MBI_MCR_OFFSET, mcr);
-	if (result < 0)
-		goto iosf_mbi_write_err;
-
-	return 0;
-
-iosf_mbi_write_err:
-	dev_err(&mbi_pdev->dev, "error: PCI config operation returned %d\n",
-		result);
-	return result;
-}
-
-int bt_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr)
-{
-	u32 mcr, mcrx;
-	unsigned long flags;
-	int ret;
-
-	/*Access to the GFX unit is handled by GPU code */
-	BUG_ON(port == BT_MBI_UNIT_GFX);
-
-	mcr = iosf_mbi_form_mcr(opcode, port, offset & BT_MBI_MASK_LO);
-	mcrx = offset & BT_MBI_MASK_HI;
-
-	spin_lock_irqsave(&iosf_mbi_lock, flags);
-	ret = iosf_mbi_pci_read_mdr(mcrx, mcr, mdr);
-	spin_unlock_irqrestore(&iosf_mbi_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(bt_mbi_read);
-
-int bt_mbi_write(u8 port, u8 opcode, u32 offset, u32 mdr)
-{
-	u32 mcr, mcrx;
-	unsigned long flags;
-	int ret;
-
-	/*Access to the GFX unit is handled by GPU code */
-	BUG_ON(port == BT_MBI_UNIT_GFX);
-
-	mcr = iosf_mbi_form_mcr(opcode, port, offset & BT_MBI_MASK_LO);
-	mcrx = offset & BT_MBI_MASK_HI;
-
-	spin_lock_irqsave(&iosf_mbi_lock, flags);
-	ret = iosf_mbi_pci_write_mdr(mcrx, mcr, mdr);
-	spin_unlock_irqrestore(&iosf_mbi_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(bt_mbi_write);
-
-int bt_mbi_modify(u8 port, u8 opcode, u32 offset, u32 mdr, u32 mask)
-{
-	u32 mcr, mcrx;
-	u32 value;
-	unsigned long flags;
-	int ret;
-
-	/*Access to the GFX unit is handled by GPU code */
-	BUG_ON(port == BT_MBI_UNIT_GFX);
-
-	mcr = iosf_mbi_form_mcr(opcode, port, offset & BT_MBI_MASK_LO);
-	mcrx = offset & BT_MBI_MASK_HI;
-
-	spin_lock_irqsave(&iosf_mbi_lock, flags);
-
-	/* Read current mdr value */
-	ret = iosf_mbi_pci_read_mdr(mcrx, mcr & BT_MBI_RD_MASK, &value);
-	if (ret < 0) {
-		spin_unlock_irqrestore(&iosf_mbi_lock, flags);
-		return ret;
-	}
-
-	/* Apply mask */
-	value &= ~mask;
-	mdr &= mask;
-	value |= mdr;
-
-	/* Write back */
-	ret = iosf_mbi_pci_write_mdr(mcrx, mcr | BT_MBI_WR_MASK, value);
-
-	spin_unlock_irqrestore(&iosf_mbi_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(bt_mbi_modify);
-
-static int iosf_mbi_probe(struct pci_dev *pdev,
-			  const struct pci_device_id *unused)
-{
-	int ret;
-
-	ret = pci_enable_device(pdev);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "error: could not enable device\n");
-		return ret;
-	}
-
-	mbi_pdev = pci_dev_get(pdev);
-	return 0;
-}
-
-static DEFINE_PCI_DEVICE_TABLE(iosf_mbi_pci_ids) = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0F00) },
-	{ 0, },
-};
-MODULE_DEVICE_TABLE(pci, iosf_mbi_pci_ids);
-
-static struct pci_driver iosf_mbi_pci_driver = {
-	.name		= "iosf_mbi_pci",
-	.probe		= iosf_mbi_probe,
-	.id_table	= iosf_mbi_pci_ids,
-};
-
-static int __init bt_mbi_init(void)
-{
-	return pci_register_driver(&iosf_mbi_pci_driver);
-}
-
-static void __exit bt_mbi_exit(void)
-{
-	pci_unregister_driver(&iosf_mbi_pci_driver);
-	if (mbi_pdev) {
-		pci_dev_put(mbi_pdev);
-		mbi_pdev = NULL;
-	}
-}
-
-module_init(bt_mbi_init);
-module_exit(bt_mbi_exit);
-
-MODULE_AUTHOR("David E. Box <[email protected]>");
-MODULE_DESCRIPTION("BayTrail Mailbox Interface accessor");
-MODULE_LICENSE("GPL v2");