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drivers:hv: Move MMIO range picking from hyper_fb to hv_vmbus

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This patch deletes the logic from hyperv_fb which picked a range of MMIO space
for the frame buffer and adds new logic to hv_vmbus which picks ranges for
child drivers.  The new logic isn't quite the same as the old, as it considers
more possible ranges.

Signed-off-by: Jake Oshins <jakeo@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jake Oshins
2015-08-05 00:52:37 -07:00
committed by Greg Kroah-Hartman
parent 7f163a6fd9
commit 3546448338
3 changed files with 110 additions and 31 deletions
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7
include/linux/hyperv.h
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@@ -977,6 +977,11 @@ int __must_check __vmbus_driver_register(struct hv_driver *hv_driver,
const char *mod_name);
void vmbus_driver_unregister(struct hv_driver *hv_driver);
int vmbus_allocate_mmio(struct resource **new, struct hv_device *device_obj,
resource_size_t min, resource_size_t max,
resource_size_t size, resource_size_t align,
bool fb_overlap_ok);
/**
* VMBUS_DEVICE - macro used to describe a specific hyperv vmbus device
*
@@ -1233,8 +1238,6 @@ extern bool vmbus_prep_negotiate_resp(struct icmsg_hdr *,
void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid);
extern struct resource *hyperv_mmio;
/*
* Negotiated version with the Host.
*/