diff options
Diffstat (limited to 'drivers/serial/zs.c')
| -rw-r--r-- | drivers/serial/zs.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/serial/zs.c b/drivers/serial/zs.c index 9e6a873f8203..d8c2809b1ab6 100644 --- a/drivers/serial/zs.c +++ b/drivers/serial/zs.c | |||
| @@ -231,7 +231,7 @@ static int zs_receive_drain(struct zs_port *zport) | |||
| 231 | { | 231 | { |
| 232 | int loops = 10000; | 232 | int loops = 10000; |
| 233 | 233 | ||
| 234 | while ((read_zsreg(zport, R0) & Rx_CH_AV) && loops--) | 234 | while ((read_zsreg(zport, R0) & Rx_CH_AV) && --loops) |
| 235 | read_zsdata(zport); | 235 | read_zsdata(zport); |
| 236 | return loops; | 236 | return loops; |
| 237 | } | 237 | } |
| @@ -241,7 +241,7 @@ static int zs_transmit_drain(struct zs_port *zport, int irq) | |||
| 241 | struct zs_scc *scc = zport->scc; | 241 | struct zs_scc *scc = zport->scc; |
| 242 | int loops = 10000; | 242 | int loops = 10000; |
| 243 | 243 | ||
| 244 | while (!(read_zsreg(zport, R0) & Tx_BUF_EMP) && loops--) { | 244 | while (!(read_zsreg(zport, R0) & Tx_BUF_EMP) && --loops) { |
| 245 | zs_spin_unlock_cond_irq(&scc->zlock, irq); | 245 | zs_spin_unlock_cond_irq(&scc->zlock, irq); |
| 246 | udelay(2); | 246 | udelay(2); |
| 247 | zs_spin_lock_cond_irq(&scc->zlock, irq); | 247 | zs_spin_lock_cond_irq(&scc->zlock, irq); |
| @@ -254,7 +254,7 @@ static int zs_line_drain(struct zs_port *zport, int irq) | |||
| 254 | struct zs_scc *scc = zport->scc; | 254 | struct zs_scc *scc = zport->scc; |
| 255 | int loops = 10000; | 255 | int loops = 10000; |
| 256 | 256 | ||
| 257 | while (!(read_zsreg(zport, R1) & ALL_SNT) && loops--) { | 257 | while (!(read_zsreg(zport, R1) & ALL_SNT) && --loops) { |
| 258 | zs_spin_unlock_cond_irq(&scc->zlock, irq); | 258 | zs_spin_unlock_cond_irq(&scc->zlock, irq); |
| 259 | udelay(2); | 259 | udelay(2); |
| 260 | zs_spin_lock_cond_irq(&scc->zlock, irq); | 260 | zs_spin_lock_cond_irq(&scc->zlock, irq); |