b43: replace limit_value macro with clamp_val

kernel-provided clamp_val is identical, delete the private limit_value helper.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Michael Buesch <mb@bu3sch.de>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index c6e79a1..7c23aa8 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1182,10 +1182,10 @@
 	/* Get the noise samples. */
 	B43_WARN_ON(dev->noisecalc.nr_samples >= 8);
 	i = dev->noisecalc.nr_samples;
-	noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
-	noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
-	noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
-	noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
+	noise[0] = clamp_val(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
+	noise[1] = clamp_val(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
+	noise[2] = clamp_val(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
+	noise[3] = clamp_val(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
 	dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]];
 	dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]];
 	dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]];