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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Claudiu Manoil , Alexandre Belloni , UNGLinuxDriver@microchip.com, Colin Foster , linux-kernel@vger.kernel.org Subject: [PATCH net-next 2/8] net: mscc: ocelot: refactor enum ocelot_reg decoding to helper Date: Wed, 12 Apr 2023 15:47:31 +0300 Message-Id: <20230412124737.2243527-3-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230412124737.2243527-1-vladimir.oltean@nxp.com> References: <20230412124737.2243527-1-vladimir.oltean@nxp.com> X-ClientProxiedBy: VI1PR0701CA0056.eurprd07.prod.outlook.com (2603:10a6:800:5f::18) To AM0PR04MB6452.eurprd04.prod.outlook.com (2603:10a6:208:16d::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM0PR04MB6452:EE_|AM7PR04MB6888:EE_ X-MS-Office365-Filtering-Correlation-Id: b3041181-7461-4462-eac4-08db3b542227 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM0PR04MB6452.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(366004)(39860400002)(136003)(376002)(346002)(396003)(451199021)(478600001)(52116002)(86362001)(83380400001)(6512007)(36756003)(38350700002)(2616005)(38100700002)(316002)(2906002)(1076003)(6506007)(26005)(54906003)(44832011)(186003)(5660300002)(66476007)(6486002)(6666004)(6916009)(8936002)(66556008)(41300700001)(8676002)(7416002)(66946007)(4326008)(461764006);DIR:OUT;SFP:1101; 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We'd like to reuse that logic once more, from ocelot.c. In order to do that, let's consolidate the existing 4 instances into a header accessible both by ocelot.c as well as by ocelot_io.c. Signed-off-by: Vladimir Oltean Reviewed-by: Jacob Keller --- drivers/net/ethernet/mscc/ocelot.h | 9 ++++++++ drivers/net/ethernet/mscc/ocelot_io.c | 30 ++++++++++++++------------- 2 files changed, 25 insertions(+), 14 deletions(-) diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h index 9e0f2e4ed556..14440a3b04c3 100644 --- a/drivers/net/ethernet/mscc/ocelot.h +++ b/drivers/net/ethernet/mscc/ocelot.h @@ -74,6 +74,15 @@ struct ocelot_multicast { struct ocelot_pgid *pgid; }; +static inline void ocelot_reg_to_target_addr(struct ocelot *ocelot, + enum ocelot_reg reg, + enum ocelot_target *target, + u32 *addr) +{ + *target = reg >> TARGET_OFFSET; + *addr = ocelot->map[*target][reg & REG_MASK]; +} + int ocelot_bridge_num_find(struct ocelot *ocelot, const struct net_device *bridge); diff --git a/drivers/net/ethernet/mscc/ocelot_io.c b/drivers/net/ethernet/mscc/ocelot_io.c index ddb96f32830d..3aa7dc29ebe1 100644 --- a/drivers/net/ethernet/mscc/ocelot_io.c +++ b/drivers/net/ethernet/mscc/ocelot_io.c @@ -13,25 +13,26 @@ int __ocelot_bulk_read_ix(struct ocelot *ocelot, enum ocelot_reg reg, u32 offset, void *buf, int count) { - u16 target = reg >> TARGET_OFFSET; + enum ocelot_target target; + u32 addr; + ocelot_reg_to_target_addr(ocelot, reg, &target, &addr); WARN_ON(!target); - return regmap_bulk_read(ocelot->targets[target], - ocelot->map[target][reg & REG_MASK] + offset, + return regmap_bulk_read(ocelot->targets[target], addr + offset, buf, count); } EXPORT_SYMBOL_GPL(__ocelot_bulk_read_ix); u32 __ocelot_read_ix(struct ocelot *ocelot, enum ocelot_reg reg, u32 offset) { - u16 target = reg >> TARGET_OFFSET; - u32 val; + enum ocelot_target target; + u32 addr, val; + ocelot_reg_to_target_addr(ocelot, reg, &target, &addr); WARN_ON(!target); - regmap_read(ocelot->targets[target], - ocelot->map[target][reg & REG_MASK] + offset, &val); + regmap_read(ocelot->targets[target], addr + offset, &val); return val; } EXPORT_SYMBOL_GPL(__ocelot_read_ix); @@ -39,25 +40,26 @@ EXPORT_SYMBOL_GPL(__ocelot_read_ix); void __ocelot_write_ix(struct ocelot *ocelot, u32 val, enum ocelot_reg reg, u32 offset) { - u16 target = reg >> TARGET_OFFSET; + enum ocelot_target target; + u32 addr; + ocelot_reg_to_target_addr(ocelot, reg, &target, &addr); WARN_ON(!target); - regmap_write(ocelot->targets[target], - ocelot->map[target][reg & REG_MASK] + offset, val); + regmap_write(ocelot->targets[target], addr + offset, val); } EXPORT_SYMBOL_GPL(__ocelot_write_ix); void __ocelot_rmw_ix(struct ocelot *ocelot, u32 val, u32 mask, enum ocelot_reg reg, u32 offset) { - u16 target = reg >> TARGET_OFFSET; + enum ocelot_target target; + u32 addr; + ocelot_reg_to_target_addr(ocelot, reg, &target, &addr); WARN_ON(!target); - regmap_update_bits(ocelot->targets[target], - ocelot->map[target][reg & REG_MASK] + offset, - mask, val); + regmap_update_bits(ocelot->targets[target], addr + offset, mask, val); } EXPORT_SYMBOL_GPL(__ocelot_rmw_ix);