| Message ID | 1419092342-7120-1-git-send-email-rickard_strandqvist@spectrumdigital.se (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Headers | show |
> From: linux-rdma-owner@vger.kernel.org [mailto:linux-rdma- > owner@vger.kernel.org] On Behalf Of Rickard Strandqvist > Sent: Saturday, December 20, 2014 11:19 AM > To: infinipath; Roland Dreier > Cc: Rickard Strandqvist; Hefty, Sean; Hal Rosenstock; linux- > rdma@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: [PATCH] infiniband: hw: ipath: ipath_wc_ppc64.c: Remove unused > function > Roland, Can you change in summary from https://patchwork.kernel.org/patch/5522791: IB/ipath: Remove unused function in ipath_wc_ppc64 Thanks for the patch! Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com> -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index 6559af6..e08db70 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 1d7bd82..1a7e20a 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 3428acb..4ad0b93 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; -}
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> --- drivers/infiniband/hw/ipath/ipath_kernel.h | 3 --- drivers/infiniband/hw/ipath/ipath_wc_ppc64.c | 13 ------------- drivers/infiniband/hw/ipath/ipath_wc_x86_64.c | 15 --------------- 3 files changed, 31 deletions(-)