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b43legacy: replace limit_value macro with clamp_val

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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>
This commit is contained in:
Harvey Harrison 2008-05-02 13:47:49 -07:00 committed by John W. Linville
parent cdbf0846e2
commit ca21614d4c
4 changed files with 17 additions and 34 deletions
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17
drivers/net/wireless/b43legacy/b43legacy.h
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@ -823,23 +823,6 @@ void b43legacydbg(struct b43legacy_wl *wl, const char *fmt, ...)
# define b43legacydbg(wl, fmt...) do { /* nothing */ } while (0)
#endif /* DEBUG */
/** Limit a value between two limits */
#ifdef limit_value
# undef limit_value
#endif
#define limit_value(value, min, max) \
({ \
typeof(value) __value = (value); \
typeof(value) __min = (min); \
typeof(value) __max = (max); \
if (__value < __min) \
__value = __min; \
else if (__value > __max) \
__value = __max; \
__value; \
})
/* Macros for printing a value in Q5.2 format */
#define Q52_FMT "%u.%u"
#define Q52_ARG(q52) ((q52) / 4), (((q52) & 3) * 100 / 4)

8
drivers/net/wireless/b43legacy/main.c
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@ -846,10 +846,10 @@ static void handle_irq_noise(struct b43legacy_wldev *dev)
/* Get the noise samples. */
B43legacy_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]];

14
drivers/net/wireless/b43legacy/phy.c
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@ -1088,7 +1088,7 @@ static void b43legacy_phy_initg(struct b43legacy_wldev *dev)
* the value 0x7FFFFFFF here. I think that is some weird
* compiler optimization in the original driver.
* Essentially, what we do here is resetting all NRSSI LT
* entries to -32 (see the limit_value() in nrssi_hw_update())
* entries to -32 (see the clamp_val() in nrssi_hw_update())
*/
b43legacy_nrssi_hw_update(dev, 0xFFFF);
b43legacy_calc_nrssi_threshold(dev);
@ -1756,7 +1756,7 @@ static s8 b43legacy_phy_estimate_power_out(struct b43legacy_wldev *dev, s8 tssi)
switch (phy->type) {
case B43legacy_PHYTYPE_B:
case B43legacy_PHYTYPE_G:
tmp = limit_value(tmp, 0x00, 0x3F);
tmp = clamp_val(tmp, 0x00, 0x3F);
dbm = phy->tssi2dbm[tmp];
break;
default:
@ -1859,7 +1859,7 @@ void b43legacy_phy_xmitpower(struct b43legacy_wldev *dev)
/* find the desired power in Q5.2 - power_level is in dBm
* and limit it - max_pwr is already in Q5.2 */
desired_pwr = limit_value(phy->power_level << 2, 0, max_pwr);
desired_pwr = clamp_val(phy->power_level << 2, 0, max_pwr);
if (b43legacy_debug(dev, B43legacy_DBG_XMITPOWER))
b43legacydbg(dev->wl, "Current TX power output: " Q52_FMT
" dBm, Desired TX power output: " Q52_FMT
@ -1905,7 +1905,7 @@ void b43legacy_phy_xmitpower(struct b43legacy_wldev *dev)
radio_attenuation++;
}
}
baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
baseband_attenuation = clamp_val(baseband_attenuation, 0, 11);
txpower = phy->txctl1;
if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) {
@ -1933,8 +1933,8 @@ void b43legacy_phy_xmitpower(struct b43legacy_wldev *dev)
}
/* Save the control values */
phy->txctl1 = txpower;
baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
radio_attenuation = limit_value(radio_attenuation, 0, 9);
baseband_attenuation = clamp_val(baseband_attenuation, 0, 11);
radio_attenuation = clamp_val(radio_attenuation, 0, 9);
phy->rfatt = radio_attenuation;
phy->bbatt = baseband_attenuation;
@ -1979,7 +1979,7 @@ s8 b43legacy_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2)
f = q;
i++;
} while (delta >= 2);
entry[index] = limit_value(b43legacy_tssi2dbm_ad(m1 * f, 8192),
entry[index] = clamp_val(b43legacy_tssi2dbm_ad(m1 * f, 8192),
-127, 128);
return 0;
}

12
drivers/net/wireless/b43legacy/radio.c
View File

@ -357,7 +357,7 @@ void b43legacy_nrssi_hw_update(struct b43legacy_wldev *dev, u16 val)
for (i = 0; i < 64; i++) {
tmp = b43legacy_nrssi_hw_read(dev, i);
tmp -= val;
tmp = limit_value(tmp, -32, 31);
tmp = clamp_val(tmp, -32, 31);
b43legacy_nrssi_hw_write(dev, i, tmp);
}
}
@ -375,7 +375,7 @@ void b43legacy_nrssi_mem_update(struct b43legacy_wldev *dev)
tmp = (i - delta) * phy->nrssislope;
tmp /= 0x10000;
tmp += 0x3A;
tmp = limit_value(tmp, 0, 0x3F);
tmp = clamp_val(tmp, 0, 0x3F);
phy->nrssi_lt[i] = tmp;
}
}
@ -839,7 +839,7 @@ void b43legacy_calc_nrssi_threshold(struct b43legacy_wldev *dev)
} else
threshold = phy->nrssi[1] - 5;
threshold = limit_value(threshold, 0, 0x3E);
threshold = clamp_val(threshold, 0, 0x3E);
b43legacy_phy_read(dev, 0x0020); /* dummy read */
b43legacy_phy_write(dev, 0x0020, (((u16)threshold) << 8)
| 0x001C);
@ -892,7 +892,7 @@ void b43legacy_calc_nrssi_threshold(struct b43legacy_wldev *dev)
else
a += 32;
a = a >> 6;
a = limit_value(a, -31, 31);
a = clamp_val(a, -31, 31);
b = b * (phy->nrssi[1] - phy->nrssi[0]);
b += (phy->nrssi[0] << 6);
@ -901,7 +901,7 @@ void b43legacy_calc_nrssi_threshold(struct b43legacy_wldev *dev)
else
b += 32;
b = b >> 6;
b = limit_value(b, -31, 31);
b = clamp_val(b, -31, 31);
tmp_u16 = b43legacy_phy_read(dev, 0x048A) & 0xF000;
tmp_u16 |= ((u32)b & 0x0000003F);
@ -1905,7 +1905,7 @@ void b43legacy_radio_set_txpower_a(struct b43legacy_wldev *dev, u16 txpower)
u16 dac;
u16 ilt;
txpower = limit_value(txpower, 0, 63);
txpower = clamp_val(txpower, 0, 63);
pamp = b43legacy_get_txgain_freq_power_amp(txpower);
pamp <<= 5;