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authorRickard Strandqvist <rickard_strandqvist@spectrumdigital.se>2014-12-20 17:19:02 +0100
committerRoland Dreier <roland@purestorage.com>2015-02-13 11:17:29 -0800
commitd6522223e4a07f7bc59d5b37b26d38a0a85baaaf (patch)
treead6dcebd21b9f3fd4b2465714788e4d99a40dd1d /drivers/infiniband
parentbfa76d49576599a4b9f9b7a71f23d73d6dcff735 (diff)
downloadlinux-d6522223e4a07f7bc59d5b37b26d38a0a85baaaf.tar.bz2
IB/ipath: Remove unused function in ipath_wc_ppc64
Remove the function ipath_unordered_wc() that is not used anywhere. This was partially found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h3
-rw-r--r--drivers/infiniband/hw/ipath/ipath_wc_ppc64.c13
-rw-r--r--drivers/infiniband/hw/ipath/ipath_wc_x86_64.c15
3 files changed, 0 insertions, 31 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 6559af60bffd..e08db7020cd4 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -908,9 +908,6 @@ void ipath_chip_cleanup(struct ipath_devdata *);
/* clean up any chip type-specific stuff */
void ipath_chip_done(void);
-/* check to see if we have to force ordering for write combining */
-int ipath_unordered_wc(void);
-
void ipath_disarm_piobufs(struct ipath_devdata *, unsigned first,
unsigned cnt);
void ipath_cancel_sends(struct ipath_devdata *, int);
diff --git a/drivers/infiniband/hw/ipath/ipath_wc_ppc64.c b/drivers/infiniband/hw/ipath/ipath_wc_ppc64.c
index 1d7bd82a1fb1..1a7e20a75149 100644
--- a/drivers/infiniband/hw/ipath/ipath_wc_ppc64.c
+++ b/drivers/infiniband/hw/ipath/ipath_wc_ppc64.c
@@ -47,16 +47,3 @@ int ipath_enable_wc(struct ipath_devdata *dd)
{
return 0;
}
-
-/**
- * ipath_unordered_wc - indicate whether write combining is unordered
- *
- * Because our performance depends on our ability to do write
- * combining mmio writes in the most efficient way, we need to
- * know if we are on a processor that may reorder stores when
- * write combining.
- */
-int ipath_unordered_wc(void)
-{
- return 1;
-}
diff --git a/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c b/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c
index 3428acb0868c..4ad0b932df1f 100644
--- a/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c
+++ b/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c
@@ -167,18 +167,3 @@ void ipath_disable_wc(struct ipath_devdata *dd)
dd->ipath_wc_cookie = 0; /* even on failure */
}
}
-
-/**
- * ipath_unordered_wc - indicate whether write combining is ordered
- *
- * Because our performance depends on our ability to do write combining mmio
- * writes in the most efficient way, we need to know if we are on an Intel
- * or AMD x86_64 processor. AMD x86_64 processors flush WC buffers out in
- * the order completed, and so no special flushing is required to get
- * correct ordering. Intel processors, however, will flush write buffers
- * out in "random" orders, and so explicit ordering is needed at times.
- */
-int ipath_unordered_wc(void)
-{
- return boot_cpu_data.x86_vendor != X86_VENDOR_AMD;
-}