ath9k: Fix power save wrappers in debug ops

Signed-off-by: Rajkumar Manoharan <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/wireless/ath/ath9k/debug.c

···
 	put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
 	len += snprintf(buf + len, sizeof(buf) - len,
 			"addrmask: %pM\n", addr);
+	ath9k_ps_wakeup(sc);
 	tmp = ath9k_hw_getrxfilter(sc->sc_ah);
+	ath9k_ps_restore(sc);
 	len += snprintf(buf + len, sizeof(buf) - len,
 			"rfilt: 0x%x", tmp);
 	if (tmp & ATH9K_RX_FILTER_UCAST)
···
 		break;
 	}
 
+	ath9k_ps_wakeup(sc);
 	len += snprintf(buf + len, size - len,
 			"curbssid: %pM\n"
 			"OP-Mode: %s(%i)\n"
···
 			REG_READ(ah, AR_BEACON_PERIOD));
 
 	reg = REG_READ(ah, AR_TIMER_MODE);
+	ath9k_ps_restore(sc);
 	len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
 			reg);
 	if (reg & AR_TBTT_TIMER_EN)
···
 	unsigned int len;
 	u32 regval;
 
+	ath9k_ps_wakeup(sc);
 	regval = REG_READ_D(ah, sc->debug.regidx);
+	ath9k_ps_restore(sc);
 	len = sprintf(buf, "0x%08x\n", regval);
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
···
 	if (strict_strtoul(buf, 0, &regval))
 		return -EINVAL;
 
+	ath9k_ps_wakeup(sc);
 	REG_WRITE_D(ah, sc->debug.regidx, regval);
+	ath9k_ps_restore(sc);
 	return count;
 }