Merge branch 'poll' into staging/for_v3.4

* poll: (5970 commits)
  poll: add poll_requested_events() and poll_does_not_wait() functions
  crc32: select an algorithm via Kconfig
  crc32: add self-test code for crc32c
  crypto: crc32c should use library implementation
  crc32: bolt on crc32c
  crc32: add note about this patchset to crc32.c
  crc32: optimize loop counter for x86
  crc32: add slice-by-8 algorithm to existing code
  crc32: make CRC_*_BITS definition correspond to actual bit counts
  crc32: fix mixing of endian-specific types
  crc32: miscellaneous cleanups
  crc32: simplify unit test code
  crc32: move long comment about crc32 fundamentals to Documentation/
  crc32: remove two instances of trailing whitespaces
  checkpatch: check for quoted strings broken across lines
  checkpatch: whitespace - add/remove blank lines
  checkpatch: warn on use of yield()
  checkpatch: add --strict tests for braces, comments and casts
  checkpatch: add [] to type extensions
  checkpatch: high precedence operators do not require additional parentheses in #defines
  ...

1 files changed, 15 insertions, 12 deletions

diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index c61bca30fd2d..83b720ef6c34 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -179,33 +179,36 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
 {
 	struct ib_port_attr attr;
 	char *speed = "";
-	int rate;
+	int rate = -1;		/* in deci-Gb/sec */
 	ssize_t ret;
 
 	ret = ib_query_port(p->ibdev, p->port_num, &attr);
 	if (ret)
 		return ret;
 
-	rate = (25 * attr.active_speed) / 10;
-
 	switch (attr.active_speed) {
-	case 2:
+	case IB_SPEED_SDR:
+		rate = 25;
+		break;
+	case IB_SPEED_DDR:
 		speed = " DDR";
+		rate = 50;
 		break;
-	case 4:
+	case IB_SPEED_QDR:
 		speed = " QDR";
+		rate = 100;
 		break;
-	case 8:
+	case IB_SPEED_FDR10:
 		speed = " FDR10";
-		rate = 10;
+		rate = 100;
 		break;
-	case 16:
+	case IB_SPEED_FDR:
 		speed = " FDR";
-		rate = 14;
+		rate = 140;
 		break;
-	case 32:
+	case IB_SPEED_EDR:
 		speed = " EDR";
-		rate = 25;
+		rate = 250;
 		break;
 	}
 
@@ -214,7 +217,7 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
 		return -EINVAL;
 
 	return sprintf(buf, "%d%s Gb/sec (%dX%s)\n",
-		       rate, (attr.active_speed == 1) ? ".5" : "",
+		       rate / 10, rate % 10 ? ".5" : "",
 		       ib_width_enum_to_int(attr.active_width), speed);
 }