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Commit 9e2ef36b authored by Dave Olson's avatar Dave Olson Committed by Roland Dreier
Browse files

IB/ipath: Clean up some comments

parent 3029fcc3
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+0 −5
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@@ -1050,11 +1050,6 @@ static int mmap_piobufs(struct vm_area_struct *vma,

	phys = dd->ipath_physaddr + piobufs;

	/*
	 * Don't mark this as non-cached, or we don't get the
	 * write combining behavior we want on the PIO buffers!
	 */

#if defined(__powerpc__)
	/* There isn't a generic way to specify writethrough mappings */
	pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
+2 −1
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@@ -1022,7 +1022,8 @@ static int ipath_setup_ht_config(struct ipath_devdata *dd,
	do {
		u8 cap_type;

		/* the HT capability type byte is 3 bytes after the
		/*
		 * The HT capability type byte is 3 bytes after the
		 * capability byte.
		 */
		if (pci_read_config_byte(pdev, pos + 3, &cap_type)) {
+1 −1
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@@ -535,7 +535,7 @@ static void ipath_pe_handle_hwerrors(struct ipath_devdata *dd, char *msg,

	if (hwerrs & INFINIPATH_HWE_SERDESPLLFAILED) {
		/*
		 * If it occurs, it is left masked since the eternal
		 * If it occurs, it is left masked since the external
		 * interface is unused
		 */
		dd->ipath_hwerrmask &= ~INFINIPATH_HWE_SERDESPLLFAILED;
+2 −3
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@@ -128,9 +128,8 @@ int ipath_lkey_ok(struct ipath_qp *qp, struct ipath_sge *isge,
	int ret;

	/*
	 * We use LKEY == zero to mean a physical kmalloc() address.
	 * This is a bit of a hack since we rely on dma_map_single()
	 * being reversible by calling bus_to_virt().
	 * We use LKEY == zero for kernel virtual addresses
	 * (see ipath_get_dma_mr and ipath_dma.c).
	 */
	if (sge->lkey == 0) {
		struct ipath_pd *pd = to_ipd(qp->ibqp.pd);
+5 −2
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@@ -943,7 +943,7 @@ static int ipath_verbs_send_pio(struct ipath_qp *qp, u32 *hdr, u32 hdrwords,
 * ipath_verbs_send - send a packet
 * @qp: the QP to send on
 * @hdr: the packet header
 * @hdrwords: the number of words in the header
 * @hdrwords: the number of 32-bit words in the header
 * @ss: the SGE to send
 * @len: the length of the packet in bytes
 */
@@ -955,7 +955,10 @@ int ipath_verbs_send(struct ipath_qp *qp, struct ipath_ib_header *hdr,
	int ret;
	u32 dwords = (len + 3) >> 2;

	/* +1 is for the qword padding of pbc */
	/*
	 * Calculate the send buffer trigger address.
	 * The +1 counts for the pbc control dword following the pbc length.
	 */
	plen = hdrwords + dwords + 1;

	/* Drop non-VL15 packets if we are not in the active state */
+1 −1

File changed.

Contains only whitespace changes.

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