]> git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/commitdiff
b43legacy: Remove pointless cond_resched() wrapper
authorThomas Gleixner <tglx@linutronix.de>
Fri, 2 Aug 2019 11:58:40 +0000 (13:58 +0200)
committerKalle Valo <kvalo@codeaurora.org>
Tue, 6 Aug 2019 12:43:50 +0000 (15:43 +0300)
cond_resched() can be used unconditionally. If CONFIG_PREEMPT is set, it
becomes a NOP scheduler wise.

Also the B43_BUG_ON() in that wrapper is a homebrewn variant of
__might_sleep() which is part of cond_resched() already.

Remove the cruft and invoke cond_resched() directly.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/broadcom/b43legacy/phy.c

index add7a0ff75b8c6e19266cd2549e8af7402f3e4dc..a659259bc51aaed14324ba1f79b2a27d03a3bcb4 100644 (file)
@@ -69,17 +69,6 @@ static const s8 b43legacy_tssi2dbm_g_table[] = {
 
 static void b43legacy_phy_initg(struct b43legacy_wldev *dev);
 
-
-static inline
-void b43legacy_voluntary_preempt(void)
-{
-       B43legacy_BUG_ON(!(!in_atomic() && !in_irq() &&
-                         !in_interrupt() && !irqs_disabled()));
-#ifndef CONFIG_PREEMPT
-       cond_resched();
-#endif /* CONFIG_PREEMPT */
-}
-
 /* Lock the PHY registers against concurrent access from the microcode.
  * This lock is nonrecursive. */
 void b43legacy_phy_lock(struct b43legacy_wldev *dev)
@@ -1124,7 +1113,7 @@ static u16 b43legacy_phy_lo_b_r15_loop(struct b43legacy_wldev *dev)
                ret += b43legacy_phy_read(dev, 0x002C);
        }
        local_irq_restore(flags);
-       b43legacy_voluntary_preempt();
+       cond_resched();
 
        return ret;
 }
@@ -1253,7 +1242,7 @@ u16 b43legacy_phy_lo_g_deviation_subval(struct b43legacy_wldev *dev,
        }
        ret = b43legacy_phy_read(dev, 0x002D);
        local_irq_restore(flags);
-       b43legacy_voluntary_preempt();
+       cond_resched();
 
        return ret;
 }
@@ -1591,7 +1580,7 @@ void b43legacy_phy_lo_g_measure(struct b43legacy_wldev *dev)
                        b43legacy_radio_write16(dev, 0x43, i);
                        b43legacy_radio_write16(dev, 0x52, phy->txctl2);
                        udelay(10);
-                       b43legacy_voluntary_preempt();
+                       cond_resched();
 
                        b43legacy_phy_set_baseband_attenuation(dev, j * 2);
 
@@ -1642,7 +1631,7 @@ void b43legacy_phy_lo_g_measure(struct b43legacy_wldev *dev)
                                              phy->txctl2
                                              | (3/*txctl1*/ << 4));
                        udelay(10);
-                       b43legacy_voluntary_preempt();
+                       cond_resched();
 
                        b43legacy_phy_set_baseband_attenuation(dev, j * 2);
 
@@ -1665,7 +1654,7 @@ void b43legacy_phy_lo_g_measure(struct b43legacy_wldev *dev)
                b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA2);
                udelay(2);
                b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA3);
-               b43legacy_voluntary_preempt();
+               cond_resched();
        } else
                b43legacy_phy_write(dev, 0x0015, r27 | 0xEFA0);
        b43legacy_phy_lo_adjust(dev, is_initializing);