diff options
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/global1_atu.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/global1_atu.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c index ea243840ee0f..1cf388e9bd94 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Marvell 88E6xxx Address Translation Unit (ATU) support * * Copyright (c) 2008 Marvell Semiconductor * Copyright (c) 2017 Savoir-faire Linux, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/interrupt.h> #include <linux/irqdomain.h> @@ -94,7 +90,7 @@ static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op) if (err) return err; } else { - if (mv88e6xxx_num_databases(chip) > 16) { + if (mv88e6xxx_num_databases(chip) > 64) { /* ATU DBNum[7:4] are located in ATU Control 15:12 */ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_CTL, &val); @@ -106,6 +102,9 @@ static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op) val); if (err) return err; + } else if (mv88e6xxx_num_databases(chip) > 16) { + /* ATU DBNum[5:4] are located in ATU Operation 9:8 */ + op |= (fid & 0x30) << 4; } /* ATU DBNum[3:0] are located in ATU Operation 3:0 */ @@ -318,7 +317,7 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) int err; u16 val; - mutex_lock(&chip->reg_lock); + mv88e6xxx_reg_lock(chip); err = mv88e6xxx_g1_atu_op(chip, 0, MV88E6XXX_G1_ATU_OP_GET_CLR_VIOLATION); @@ -365,12 +364,12 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) entry.mac, entry.portvec, spid); chip->ports[spid].atu_full_violation++; } - mutex_unlock(&chip->reg_lock); + mv88e6xxx_reg_unlock(chip); return IRQ_HANDLED; out: - mutex_unlock(&chip->reg_lock); + mv88e6xxx_reg_unlock(chip); dev_err(chip->dev, "ATU problem: error %d while handling interrupt\n", err); |