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Fri, 11 Dec 2020 12:50:20 +0000 From: Pavana Sharma To: kuba@kernel.org Cc: andrew@lunn.ch, ashkan.boldaji@digi.com, clang-built-linux@googlegroups.com, davem@davemloft.net, devicetree@vger.kernel.org, f.fainelli@gmail.com, gregkh@linuxfoundation.org, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, lkp@intel.com, marek.behun@nic.cz, netdev@vger.kernel.org, pavana.sharma@digi.com, robh+dt@kernel.org, vivien.didelot@gmail.com Subject: [net-next PATCH v12 3/4] net: dsa: mv88e6xxx: Change serdes lane parameter type from u8 type to int Date: Fri, 11 Dec 2020 22:49:02 +1000 Message-Id: <53d2aa3f1195545b6daaf5fbd42c98d5903f0617.1607685097.git.pavana.sharma@digi.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: Content-Type: text/plain X-Originating-IP: [220.244.12.163] X-ClientProxiedBy: SY6PR01CA0044.ausprd01.prod.outlook.com (2603:10c6:10:e9::13) To MN2PR10MB4174.namprd10.prod.outlook.com (2603:10b6:208:1dd::21) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (220.244.12.163) by SY6PR01CA0044.ausprd01.prod.outlook.com (2603:10c6:10:e9::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.12 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?p7HSQhSjWPz05FIiKIrrqZio4bl9bJBrAVSXjNoLrRHDgBeICMelgjErMvUG?= =?us-ascii?Q?lsGAQ9MBOU50Z5rl6i179t4Nl8CJe56z6EYjbZOJ3TXRiGxVm3/RBW/YFKDG?= =?us-ascii?Q?4xDbRClP8Op13dCfXH4IosRCYbCigTsbqxJ++2zpX6Fem2CzHaG8rg2k0Yr3?= =?us-ascii?Q?VDHAA3mw+PxJBdOezBxx2zvF5dfGdvFfRCJpctGI1ZepoNSFEU0aSzqrWK6l?= =?us-ascii?Q?sfl9hC9lE2naK6owCWky4cg71Xxhj9SXT8hMqscoGNzaXLYIgYEHo7YtM75o?= =?us-ascii?Q?wrMXBWqEd1SbvOncRcK3ut3qfAORff5GZyeqMCI0YRsOpgNpJnt2m6jxxI5y?= =?us-ascii?Q?7awIZBE8P5baUl37kbhJeq5RObsBsGvetisAV+yV3EmFsiP36onUinwIJeh7?= =?us-ascii?Q?pP+esPkcno6g93pNVBpLQ02sGSuRWwwUTr/UyHhij1cfPSgaUDdncmZ3xkY9?= =?us-ascii?Q?Yzzm9o2qqb2XjgJkiyPVP4tqFkHDmJVwfBUzSVVTimAtgzykEmvDb3jCXHKK?= =?us-ascii?Q?q4WhwUl8QHIXOQNv29CHDc8AzMN3JUyhIaw3CxX9vVmgGUQTKAWkpF+9Tim8?= =?us-ascii?Q?1Qr0GOMZtBrgYyRCepf6NSHQnAHeG540V9WUO81E41sxCEVx4Ou6s/Hwnffu?= =?us-ascii?Q?/UNCMqmGvDcxwldUMSMQd76y4eY+mNn63Vs+051ElzSidBip3UG7CSTmPUET?= =?us-ascii?Q?wiHWFY1E5b5LkZtplMqMDkSWDYHfTgxWOQBNsE+Mo/tTt9W8MR4zQFLttxOG?= =?us-ascii?Q?601PsKePB97a7VXlmir6mLrwEbAUISkJ3DB7lt54Rn/18efrd4ZxgU5O6eaR?= =?us-ascii?Q?9vGqDjaG5WNfr5Qeu4pZCLRJNPpDFeZc4ElklVFIm9dlHYSGJp0EDOruU/9P?= =?us-ascii?Q?d7z97YAtGdcOX3qP98e+s7TiLFzrvZE0T2b4sMc0lCOLydLpYDxqWm6NBEeC?= =?us-ascii?Q?aDUeUHepO1Y4TXNFHlqWmSAMB7JigR2QK80wdGX7uw2xGqfU6DNsBRwIpsjW?= =?us-ascii?Q?b6Zr?= X-OriginatorOrg: digi.com X-MS-Exchange-CrossTenant-AuthSource: MN2PR10MB4174.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Dec 2020 12:50:20.7046 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: abb4cdb7-1b7e-483e-a143-7ebfd1184b9e X-MS-Exchange-CrossTenant-Network-Message-Id: ea90ee7e-4469-457c-064f-08d89dd351c3 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: UOyXOraj8i4BL+g5qJjYMiahbZLDpqFadcF3Z9XCWOtS5faH8LAX8esta0R8ZIOiCYWO9phdp7ouDKAawfhfTQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR10MB4176 X-BESS-ID: 1607696863-893013-7535-17051-1 X-BESS-VER: 2019.1_20201210.2155 X-BESS-Apparent-Source-IP: 104.47.66.46 X-BESS-Outbound-Spam-Score: 0.50 X-BESS-Outbound-Spam-Report: Code version 3.2, rules version 3.2.2.228762 [from cloudscan9-86.us-east-2a.ess.aws.cudaops.com] Rule breakdown below pts rule name description ---- ---------------------- -------------------------------- 0.00 MSGID_FROM_MTA_HEADER META: Message-Id was added by a relay 0.50 BSF_RULE7568M META: Custom Rule 7568M 0.00 BSF_BESS_OUTBOUND META: BESS Outbound X-BESS-Outbound-Spam-Status: SCORE=0.50 using account:ESS112744 scores of KILL_LEVEL=7.0 tests=MSGID_FROM_MTA_HEADER, BSF_RULE7568M, BSF_BESS_OUTBOUND X-BESS-BRTS-Status: 1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Returning 0 is no more an error case with MV88E6393 family which has serdes lane numbers 0, 9 or 10. So with this change .serdes_get_lane will return lane number or -errno (-ENODEV or -EOPNOTSUPP). Signed-off-by: Pavana Sharma Reviewed-by: Andrew Lunn --- drivers/net/dsa/mv88e6xxx/chip.c | 28 +++++----- drivers/net/dsa/mv88e6xxx/chip.h | 16 +++--- drivers/net/dsa/mv88e6xxx/port.c | 8 +-- drivers/net/dsa/mv88e6xxx/serdes.c | 82 +++++++++++++++--------------- drivers/net/dsa/mv88e6xxx/serdes.h | 64 +++++++++++------------ 5 files changed, 99 insertions(+), 99 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index e7f68ac0c7e3..038bae71648d 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -485,12 +485,12 @@ static int mv88e6xxx_serdes_pcs_get_state(struct dsa_switch *ds, int port, struct phylink_link_state *state) { struct mv88e6xxx_chip *chip = ds->priv; - u8 lane; + int lane; int err; mv88e6xxx_reg_lock(chip); lane = mv88e6xxx_serdes_get_lane(chip, port); - if (lane && chip->info->ops->serdes_pcs_get_state) + if (lane >= 0 && chip->info->ops->serdes_pcs_get_state) err = chip->info->ops->serdes_pcs_get_state(chip, port, lane, state); else @@ -506,11 +506,11 @@ static int mv88e6xxx_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port, const unsigned long *advertise) { const struct mv88e6xxx_ops *ops = chip->info->ops; - u8 lane; + int lane; if (ops->serdes_pcs_config) { lane = mv88e6xxx_serdes_get_lane(chip, port); - if (lane) + if (lane >= 0) return ops->serdes_pcs_config(chip, port, lane, mode, interface, advertise); } @@ -523,14 +523,14 @@ static void mv88e6xxx_serdes_pcs_an_restart(struct dsa_switch *ds, int port) struct mv88e6xxx_chip *chip = ds->priv; const struct mv88e6xxx_ops *ops; int err = 0; - u8 lane; + int lane; ops = chip->info->ops; if (ops->serdes_pcs_an_restart) { mv88e6xxx_reg_lock(chip); lane = mv88e6xxx_serdes_get_lane(chip, port); - if (lane) + if (lane >= 0) err = ops->serdes_pcs_an_restart(chip, port, lane); mv88e6xxx_reg_unlock(chip); @@ -544,11 +544,11 @@ static int mv88e6xxx_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port, int speed, int duplex) { const struct mv88e6xxx_ops *ops = chip->info->ops; - u8 lane; + int lane; if (!phylink_autoneg_inband(mode) && ops->serdes_pcs_link_up) { lane = mv88e6xxx_serdes_get_lane(chip, port); - if (lane) + if (lane >= 0) return ops->serdes_pcs_link_up(chip, port, lane, speed, duplex); } @@ -2424,11 +2424,11 @@ static irqreturn_t mv88e6xxx_serdes_irq_thread_fn(int irq, void *dev_id) struct mv88e6xxx_chip *chip = mvp->chip; irqreturn_t ret = IRQ_NONE; int port = mvp->port; - u8 lane; + int lane; mv88e6xxx_reg_lock(chip); lane = mv88e6xxx_serdes_get_lane(chip, port); - if (lane) + if (lane >= 0) ret = mv88e6xxx_serdes_irq_status(chip, port, lane); mv88e6xxx_reg_unlock(chip); @@ -2436,7 +2436,7 @@ static irqreturn_t mv88e6xxx_serdes_irq_thread_fn(int irq, void *dev_id) } static int mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip *chip, int port, - u8 lane) + int lane) { struct mv88e6xxx_port *dev_id = &chip->ports[port]; unsigned int irq; @@ -2465,7 +2465,7 @@ static int mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip *chip, int port, } static int mv88e6xxx_serdes_irq_free(struct mv88e6xxx_chip *chip, int port, - u8 lane) + int lane) { struct mv88e6xxx_port *dev_id = &chip->ports[port]; unsigned int irq = dev_id->serdes_irq; @@ -2490,11 +2490,11 @@ static int mv88e6xxx_serdes_irq_free(struct mv88e6xxx_chip *chip, int port, static int mv88e6xxx_serdes_power(struct mv88e6xxx_chip *chip, int port, bool on) { - u8 lane; + int lane; int err; lane = mv88e6xxx_serdes_get_lane(chip, port); - if (!lane) + if (lane < 0) return 0; if (on) { diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h index 3543055bcb51..1ac8338d2256 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.h +++ b/drivers/net/dsa/mv88e6xxx/chip.h @@ -511,30 +511,30 @@ struct mv88e6xxx_ops { int (*mgmt_rsvd2cpu)(struct mv88e6xxx_chip *chip); /* Power on/off a SERDES interface */ - int (*serdes_power)(struct mv88e6xxx_chip *chip, int port, u8 lane, + int (*serdes_power)(struct mv88e6xxx_chip *chip, int port, int lane, bool up); /* SERDES lane mapping */ - u8 (*serdes_get_lane)(struct mv88e6xxx_chip *chip, int port); + int (*serdes_get_lane)(struct mv88e6xxx_chip *chip, int port); int (*serdes_pcs_get_state)(struct mv88e6xxx_chip *chip, int port, - u8 lane, struct phylink_link_state *state); + int lane, struct phylink_link_state *state); int (*serdes_pcs_config)(struct mv88e6xxx_chip *chip, int port, - u8 lane, unsigned int mode, + int lane, unsigned int mode, phy_interface_t interface, const unsigned long *advertise); int (*serdes_pcs_an_restart)(struct mv88e6xxx_chip *chip, int port, - u8 lane); + int lane); int (*serdes_pcs_link_up)(struct mv88e6xxx_chip *chip, int port, - u8 lane, int speed, int duplex); + int lane, int speed, int duplex); /* SERDES interrupt handling */ unsigned int (*serdes_irq_mapping)(struct mv88e6xxx_chip *chip, int port); - int (*serdes_irq_enable)(struct mv88e6xxx_chip *chip, int port, u8 lane, + int (*serdes_irq_enable)(struct mv88e6xxx_chip *chip, int port, int lane, bool enable); irqreturn_t (*serdes_irq_status)(struct mv88e6xxx_chip *chip, int port, - u8 lane); + int lane); /* Statistics from the SERDES interface */ int (*serdes_get_sset_count)(struct mv88e6xxx_chip *chip, int port); diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 77a5fd1798cd..0af596957b97 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -429,8 +429,8 @@ phy_interface_t mv88e6390x_port_max_speed_mode(int port) static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port, phy_interface_t mode, bool force) { - u8 lane; u16 cmode; + int lane; u16 reg; int err; @@ -466,7 +466,7 @@ static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port, return 0; lane = mv88e6xxx_serdes_get_lane(chip, port); - if (lane) { + if (lane >= 0) { if (chip->ports[port].serdes_irq) { err = mv88e6xxx_serdes_irq_disable(chip, port, lane); if (err) @@ -495,8 +495,8 @@ static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port, chip->ports[port].cmode = cmode; lane = mv88e6xxx_serdes_get_lane(chip, port); - if (!lane) - return -ENODEV; + if (lane < 0) + return lane; err = mv88e6xxx_serdes_power_up(chip, port, lane); if (err) diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c index 3195936dc5be..e48260c5c6ba 100644 --- a/drivers/net/dsa/mv88e6xxx/serdes.c +++ b/drivers/net/dsa/mv88e6xxx/serdes.c @@ -95,7 +95,7 @@ static int mv88e6xxx_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, return 0; } -int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, bool up) { u16 val, new_val; @@ -117,7 +117,7 @@ int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, } int mv88e6352_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port, - u8 lane, unsigned int mode, + int lane, unsigned int mode, phy_interface_t interface, const unsigned long *advertise) { @@ -166,7 +166,7 @@ int mv88e6352_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port, } int mv88e6352_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, - u8 lane, struct phylink_link_state *state) + int lane, struct phylink_link_state *state) { u16 lpa, status; int err; @@ -187,7 +187,7 @@ int mv88e6352_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, } int mv88e6352_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port, - u8 lane) + int lane) { u16 bmcr; int err; @@ -200,7 +200,7 @@ int mv88e6352_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port, } int mv88e6352_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port, - u8 lane, int speed, int duplex) + int lane, int speed, int duplex) { u16 val, bmcr; int err; @@ -230,10 +230,10 @@ int mv88e6352_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port, return mv88e6352_serdes_write(chip, MII_BMCR, bmcr); } -u8 mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) +int mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) { u8 cmode = chip->ports[port].cmode; - u8 lane = 0; + int lane = -ENODEV; if ((cmode == MV88E6XXX_PORT_STS_CMODE_100BASEX) || (cmode == MV88E6XXX_PORT_STS_CMODE_1000BASEX) || @@ -245,7 +245,7 @@ u8 mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) static bool mv88e6352_port_has_serdes(struct mv88e6xxx_chip *chip, int port) { - if (mv88e6xxx_serdes_get_lane(chip, port)) + if (mv88e6xxx_serdes_get_lane(chip, port) >= 0) return true; return false; @@ -354,7 +354,7 @@ static void mv88e6352_serdes_irq_link(struct mv88e6xxx_chip *chip, int port) } irqreturn_t mv88e6352_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, - u8 lane) + int lane) { irqreturn_t ret = IRQ_NONE; u16 status; @@ -372,7 +372,7 @@ irqreturn_t mv88e6352_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, return ret; } -int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane, bool enable) { u16 val = 0; @@ -413,10 +413,10 @@ void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p) } } -u8 mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) +int mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) { u8 cmode = chip->ports[port].cmode; - u8 lane = 0; + int lane = -ENODEV; switch (port) { case 5: @@ -430,7 +430,7 @@ u8 mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) return lane; } -int mv88e6185_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6185_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, bool up) { /* The serdes power can't be controlled on this switch chip but we need @@ -440,7 +440,7 @@ int mv88e6185_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, return 0; } -u8 mv88e6185_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) +int mv88e6185_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) { /* There are no configurable serdes lanes on this switch chip but we * need to return non-zero so that callers of @@ -456,7 +456,7 @@ u8 mv88e6185_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) } int mv88e6185_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, - u8 lane, struct phylink_link_state *state) + int lane, struct phylink_link_state *state) { int err; u16 status; @@ -492,7 +492,7 @@ int mv88e6185_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, return 0; } -int mv88e6097_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6097_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane, bool enable) { u8 cmode = chip->ports[port].cmode; @@ -525,7 +525,7 @@ static void mv88e6097_serdes_irq_link(struct mv88e6xxx_chip *chip, int port) } irqreturn_t mv88e6097_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, - u8 lane) + int lane) { u8 cmode = chip->ports[port].cmode; @@ -539,10 +539,10 @@ irqreturn_t mv88e6097_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, return IRQ_NONE; } -u8 mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) +int mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) { u8 cmode = chip->ports[port].cmode; - u8 lane = 0; + int lane = -ENODEV; switch (port) { case 9: @@ -562,12 +562,12 @@ u8 mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) return lane; } -u8 mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) +int mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) { u8 cmode_port = chip->ports[port].cmode; u8 cmode_port10 = chip->ports[10].cmode; u8 cmode_port9 = chip->ports[9].cmode; - u8 lane = 0; + int lane = -ENODEV; switch (port) { case 2: @@ -638,7 +638,7 @@ u8 mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port) } /* Set power up/down for 10GBASE-R and 10GBASE-X4/X2 */ -static int mv88e6390_serdes_power_10g(struct mv88e6xxx_chip *chip, u8 lane, +static int mv88e6390_serdes_power_10g(struct mv88e6xxx_chip *chip, int lane, bool up) { u16 val, new_val; @@ -665,7 +665,7 @@ static int mv88e6390_serdes_power_10g(struct mv88e6xxx_chip *chip, u8 lane, } /* Set power up/down for SGMII and 1000Base-X */ -static int mv88e6390_serdes_power_sgmii(struct mv88e6xxx_chip *chip, u8 lane, +static int mv88e6390_serdes_power_sgmii(struct mv88e6xxx_chip *chip, int lane, bool up) { u16 val, new_val; @@ -701,7 +701,7 @@ static struct mv88e6390_serdes_hw_stat mv88e6390_serdes_hw_stats[] = { int mv88e6390_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port) { - if (mv88e6390_serdes_get_lane(chip, port) == 0) + if (mv88e6390_serdes_get_lane(chip, port) < 0) return 0; return ARRAY_SIZE(mv88e6390_serdes_hw_stats); @@ -713,7 +713,7 @@ int mv88e6390_serdes_get_strings(struct mv88e6xxx_chip *chip, struct mv88e6390_serdes_hw_stat *stat; int i; - if (mv88e6390_serdes_get_lane(chip, port) == 0) + if (mv88e6390_serdes_get_lane(chip, port) < 0) return 0; for (i = 0; i < ARRAY_SIZE(mv88e6390_serdes_hw_stats); i++) { @@ -750,7 +750,7 @@ int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, int i; lane = mv88e6390_serdes_get_lane(chip, port); - if (lane == 0) + if (lane < 0) return 0; for (i = 0; i < ARRAY_SIZE(mv88e6390_serdes_hw_stats); i++) { @@ -761,7 +761,7 @@ int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, return ARRAY_SIZE(mv88e6390_serdes_hw_stats); } -static int mv88e6390_serdes_enable_checker(struct mv88e6xxx_chip *chip, u8 lane) +static int mv88e6390_serdes_enable_checker(struct mv88e6xxx_chip *chip, int lane) { u16 reg; int err; @@ -776,7 +776,7 @@ static int mv88e6390_serdes_enable_checker(struct mv88e6xxx_chip *chip, u8 lane) MV88E6390_PG_CONTROL, reg); } -int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, bool up) { u8 cmode = chip->ports[port].cmode; @@ -801,7 +801,7 @@ int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, } int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port, - u8 lane, unsigned int mode, + int lane, unsigned int mode, phy_interface_t interface, const unsigned long *advertise) { @@ -860,7 +860,7 @@ int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port, } static int mv88e6390_serdes_pcs_get_state_sgmii(struct mv88e6xxx_chip *chip, - int port, u8 lane, struct phylink_link_state *state) + int port, int lane, struct phylink_link_state *state) { u16 lpa, status; int err; @@ -883,7 +883,7 @@ static int mv88e6390_serdes_pcs_get_state_sgmii(struct mv88e6xxx_chip *chip, } static int mv88e6390_serdes_pcs_get_state_10g(struct mv88e6xxx_chip *chip, - int port, u8 lane, struct phylink_link_state *state) + int port, int lane, struct phylink_link_state *state) { u16 status; int err; @@ -903,7 +903,7 @@ static int mv88e6390_serdes_pcs_get_state_10g(struct mv88e6xxx_chip *chip, } int mv88e6390_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, - u8 lane, struct phylink_link_state *state) + int lane, struct phylink_link_state *state) { switch (state->interface) { case PHY_INTERFACE_MODE_SGMII: @@ -922,7 +922,7 @@ int mv88e6390_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, } int mv88e6390_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port, - u8 lane) + int lane) { u16 bmcr; int err; @@ -938,7 +938,7 @@ int mv88e6390_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port, } int mv88e6390_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port, - u8 lane, int speed, int duplex) + int lane, int speed, int duplex) { u16 val, bmcr; int err; @@ -972,7 +972,7 @@ int mv88e6390_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port, } static void mv88e6390_serdes_irq_link_sgmii(struct mv88e6xxx_chip *chip, - int port, u8 lane) + int port, int lane) { u16 bmsr; int err; @@ -989,7 +989,7 @@ static void mv88e6390_serdes_irq_link_sgmii(struct mv88e6xxx_chip *chip, } static int mv88e6390_serdes_irq_enable_sgmii(struct mv88e6xxx_chip *chip, - u8 lane, bool enable) + int lane, bool enable) { u16 val = 0; @@ -1001,7 +1001,7 @@ static int mv88e6390_serdes_irq_enable_sgmii(struct mv88e6xxx_chip *chip, MV88E6390_SGMII_INT_ENABLE, val); } -int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane, bool enable) { u8 cmode = chip->ports[port].cmode; @@ -1017,7 +1017,7 @@ int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane, } static int mv88e6390_serdes_irq_status_sgmii(struct mv88e6xxx_chip *chip, - u8 lane, u16 *status) + int lane, u16 *status) { int err; @@ -1028,7 +1028,7 @@ static int mv88e6390_serdes_irq_status_sgmii(struct mv88e6xxx_chip *chip, } irqreturn_t mv88e6390_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, - u8 lane) + int lane) { u8 cmode = chip->ports[port].cmode; irqreturn_t ret = IRQ_NONE; @@ -1087,7 +1087,7 @@ static const u16 mv88e6390_serdes_regs[] = { int mv88e6390_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port) { - if (mv88e6xxx_serdes_get_lane(chip, port) == 0) + if (mv88e6xxx_serdes_get_lane(chip, port) < 0) return 0; return ARRAY_SIZE(mv88e6390_serdes_regs) * sizeof(u16); @@ -1102,7 +1102,7 @@ void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p) int i; lane = mv88e6xxx_serdes_get_lane(chip, port); - if (lane == 0) + if (lane < 0) return; for (i = 0 ; i < ARRAY_SIZE(mv88e6390_serdes_regs); i++) { diff --git a/drivers/net/dsa/mv88e6xxx/serdes.h b/drivers/net/dsa/mv88e6xxx/serdes.h index 93822ef9bab8..a1a51a6d6c1f 100644 --- a/drivers/net/dsa/mv88e6xxx/serdes.h +++ b/drivers/net/dsa/mv88e6xxx/serdes.h @@ -73,55 +73,55 @@ #define MV88E6390_PG_CONTROL 0xf010 #define MV88E6390_PG_CONTROL_ENABLE_PC BIT(0) -u8 mv88e6185_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); -u8 mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); -u8 mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); -u8 mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); -u8 mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); +int mv88e6185_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); +int mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); +int mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); +int mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); +int mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); int mv88e6352_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port, - u8 lane, unsigned int mode, + int lane, unsigned int mode, phy_interface_t interface, const unsigned long *advertise); int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port, - u8 lane, unsigned int mode, + int lane, unsigned int mode, phy_interface_t interface, const unsigned long *advertise); int mv88e6185_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, - u8 lane, struct phylink_link_state *state); + int lane, struct phylink_link_state *state); int mv88e6352_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, - u8 lane, struct phylink_link_state *state); + int lane, struct phylink_link_state *state); int mv88e6390_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, - u8 lane, struct phylink_link_state *state); + int lane, struct phylink_link_state *state); int mv88e6352_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port, - u8 lane); + int lane); int mv88e6390_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port, - u8 lane); + int lane); int mv88e6352_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port, - u8 lane, int speed, int duplex); + int lane, int speed, int duplex); int mv88e6390_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port, - u8 lane, int speed, int duplex); + int lane, int speed, int duplex); unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port); unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port); -int mv88e6185_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6185_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, bool up); -int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, bool on); -int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, bool on); -int mv88e6097_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6097_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane, bool enable); -int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane, bool enable); -int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane, +int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane, bool enable); irqreturn_t mv88e6097_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, - u8 lane); + int lane); irqreturn_t mv88e6352_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, - u8 lane); + int lane); irqreturn_t mv88e6390_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, - u8 lane); + int lane); int mv88e6352_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port); int mv88e6352_serdes_get_strings(struct mv88e6xxx_chip *chip, int port, uint8_t *data); @@ -138,18 +138,18 @@ void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p); int mv88e6390_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port); void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p); -/* Return the (first) SERDES lane address a port is using, 0 otherwise. */ -static inline u8 mv88e6xxx_serdes_get_lane(struct mv88e6xxx_chip *chip, - int port) +/* Return the (first) SERDES lane address a port is using, -errno otherwise. */ +static inline int mv88e6xxx_serdes_get_lane(struct mv88e6xxx_chip *chip, + int port) { if (!chip->info->ops->serdes_get_lane) - return 0; + return -EOPNOTSUPP; return chip->info->ops->serdes_get_lane(chip, port); } static inline int mv88e6xxx_serdes_power_up(struct mv88e6xxx_chip *chip, - int port, u8 lane) + int port, int lane) { if (!chip->info->ops->serdes_power) return -EOPNOTSUPP; @@ -158,7 +158,7 @@ static inline int mv88e6xxx_serdes_power_up(struct mv88e6xxx_chip *chip, } static inline int mv88e6xxx_serdes_power_down(struct mv88e6xxx_chip *chip, - int port, u8 lane) + int port, int lane) { if (!chip->info->ops->serdes_power) return -EOPNOTSUPP; @@ -176,7 +176,7 @@ mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port) } static inline int mv88e6xxx_serdes_irq_enable(struct mv88e6xxx_chip *chip, - int port, u8 lane) + int port, int lane) { if (!chip->info->ops->serdes_irq_enable) return -EOPNOTSUPP; @@ -185,7 +185,7 @@ static inline int mv88e6xxx_serdes_irq_enable(struct mv88e6xxx_chip *chip, } static inline int mv88e6xxx_serdes_irq_disable(struct mv88e6xxx_chip *chip, - int port, u8 lane) + int port, int lane) { if (!chip->info->ops->serdes_irq_enable) return -EOPNOTSUPP; @@ -194,7 +194,7 @@ static inline int mv88e6xxx_serdes_irq_disable(struct mv88e6xxx_chip *chip, } static inline irqreturn_t -mv88e6xxx_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, u8 lane) +mv88e6xxx_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, int lane) { if (!chip->info->ops->serdes_irq_status) return IRQ_NONE; -- 2.17.1