IB/ehca: Deprecate driver, move to staging, schedule deletion

The ehca driver is only supported on IBM machines with a custom EBus.
As they have opted to build their newer machines using more industry
standard technology and haven't really been pushing EBus capable
machines for a while, this driver can now safely be moved to the
staging area and scheduled for eventual removal.  This plan was brought
to IBM's attention and received their sign-off.

Cc: alexs@linux.vnet.ibm.com
Cc: hnguyen@de.ibm.com
Cc: raisch@de.ibm.com
Cc: stefan.roscher@de.ibm.com
Signed-off-by: Doug Ledford <dledford@redhat.com>

1 files changed, 0 insertions, 82 deletions

diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.c b/drivers/infiniband/hw/ehca/hcp_phyp.c
deleted file mode 100644
index 077376ff3d28..000000000000
--- a/drivers/infiniband/hw/ehca/hcp_phyp.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- *  IBM eServer eHCA Infiniband device driver for Linux on POWER
- *
- *   load store abstraction for ehca register access with tracing
- *
- *  Authors: Christoph Raisch <raisch@de.ibm.com>
- *           Hoang-Nam Nguyen <hnguyen@de.ibm.com>
- *
- *  Copyright (c) 2005 IBM Corporation
- *
- *  All rights reserved.
- *
- *  This source code is distributed under a dual license of GPL v2.0 and OpenIB
- *  BSD.
- *
- * OpenIB BSD License
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials
- * provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "ehca_classes.h"
-#include "hipz_hw.h"
-
-u64 hcall_map_page(u64 physaddr)
-{
-	return (u64)ioremap(physaddr, EHCA_PAGESIZE);
-}
-
-int hcall_unmap_page(u64 mapaddr)
-{
-	iounmap((volatile void __iomem *) mapaddr);
-	return 0;
-}
-
-int hcp_galpas_ctor(struct h_galpas *galpas, int is_user,
-		    u64 paddr_kernel, u64 paddr_user)
-{
-	if (!is_user) {
-		galpas->kernel.fw_handle = hcall_map_page(paddr_kernel);
-		if (!galpas->kernel.fw_handle)
-			return -ENOMEM;
-	} else
-		galpas->kernel.fw_handle = 0;
-
-	galpas->user.fw_handle = paddr_user;
-
-	return 0;
-}
-
-int hcp_galpas_dtor(struct h_galpas *galpas)
-{
-	if (galpas->kernel.fw_handle) {
-		int ret = hcall_unmap_page(galpas->kernel.fw_handle);
-		if (ret)
-			return ret;
-	}
-
-	galpas->user.fw_handle = galpas->kernel.fw_handle = 0;
-
-	return 0;
-}