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Miller" , Ivan Khoronzhuk , Jiri Pirko CC: Florian Fainelli , Sekhar Nori , , , Murali Karicheri , Ivan Vecera , Grygorii Strashko Subject: [RFC PATCH v3 net-next 08/11] net: ethernet: ti: cpsw: fix build of cpsw drivers Date: Thu, 25 Apr 2019 01:24:24 +0300 Message-ID: <1556144667-27997-9-git-send-email-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1556144667-27997-1-git-send-email-grygorii.strashko@ti.com> References: <1556144667-27997-1-git-send-email-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now there is dependency between CPSW switchdev and CPSW legacy drivers related to for_each_slave() and cpsw_slave_index() - they can be compiled both, but one of them will be not functional depending in Kconfig settings due to duffrences in Slave indexes calculation. To fix this make for_each_slave() local (it's used now only by legacy driver) and convert cpsw_slave_index() to be a fucntion pointer which is assigned in probe. Driver to start is defined by DT. Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/cpsw.c | 27 ++++++++++++++++++ drivers/net/ethernet/ti/cpsw_new.c | 14 ++++++++++ drivers/net/ethernet/ti/cpsw_priv.c | 2 ++ drivers/net/ethernet/ti/cpsw_priv.h | 43 +---------------------------- 4 files changed, 44 insertions(+), 42 deletions(-) -- 2.17.1 diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 86e23468c51f..46febf13524c 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -60,6 +60,31 @@ static int descs_pool_size = CPSW_CPDMA_DESCS_POOL_SIZE_DEFAULT; module_param(descs_pool_size, int, 0444); MODULE_PARM_DESC(descs_pool_size, "Number of CPDMA CPPI descriptors in pool"); +#define for_each_slave(priv, func, arg...) \ + do { \ + struct cpsw_slave *slave; \ + struct cpsw_common *cpsw = (priv)->cpsw; \ + int n; \ + if (cpsw->data.dual_emac) \ + (func)((cpsw)->slaves + priv->emac_port, ##arg);\ + else \ + for (n = cpsw->data.slaves, \ + slave = cpsw->slaves; \ + n; n--) \ + (func)(slave++, ##arg); \ + } while (0) + +static int cpsw_slave_index_priv(struct cpsw_common *cpsw, + struct cpsw_priv *priv) +{ + return cpsw->data.dual_emac ? priv->emac_port : cpsw->data.active_slave; +} + +static int cpsw_get_slave_port(u32 slave_num) +{ + return slave_num + 1; +} + static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev, __be16 proto, u16 vid); @@ -1791,6 +1816,8 @@ static int cpsw_probe(struct platform_device *pdev) if (!cpsw) return -ENOMEM; + cpsw_slave_index = cpsw_slave_index_priv; + cpsw->dev = dev; mode = devm_gpiod_get_array_optional(dev, "mode", GPIOD_OUT_LOW); diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c index 4ea28f722136..f27fb319bf3d 100644 --- a/drivers/net/ethernet/ti/cpsw_new.c +++ b/drivers/net/ethernet/ti/cpsw_new.c @@ -55,6 +55,18 @@ struct cpsw_switchdev_event_work { unsigned long event; }; +/* struct cpsw_common is not needed, kept here for compatibility + * reasons witrh the old driver + */ +static int cpsw_slave_index_priv(struct cpsw_common *cpsw, + struct cpsw_priv *priv) +{ + if (priv->emac_port == HOST_PORT_NUM) + return -1; + + return priv->emac_port - 1; +} + static void cpsw_set_promiscious(struct net_device *ndev, bool enable) { struct cpsw_common *cpsw = ndev_to_cpsw(ndev); @@ -1696,6 +1708,8 @@ static int cpsw_probe(struct platform_device *pdev) if (!cpsw) return -ENOMEM; + cpsw_slave_index = cpsw_slave_index_priv; + cpsw->dev = dev; cpsw->slaves = devm_kcalloc(dev, diff --git a/drivers/net/ethernet/ti/cpsw_priv.c b/drivers/net/ethernet/ti/cpsw_priv.c index 62ba53f9bf8a..d7087650ac6d 100644 --- a/drivers/net/ethernet/ti/cpsw_priv.c +++ b/drivers/net/ethernet/ti/cpsw_priv.c @@ -22,6 +22,8 @@ #include "cpsw_sl.h" #include "davinci_cpdma.h" +int (*cpsw_slave_index)(struct cpsw_common *cpsw, struct cpsw_priv *priv); + void cpsw_intr_enable(struct cpsw_common *cpsw) { writel_relaxed(0xFF, &cpsw->wr_regs->tx_en); diff --git a/drivers/net/ethernet/ti/cpsw_priv.h b/drivers/net/ethernet/ti/cpsw_priv.h index 98817e14c878..c9f5528f41e4 100644 --- a/drivers/net/ethernet/ti/cpsw_priv.h +++ b/drivers/net/ethernet/ti/cpsw_priv.h @@ -377,48 +377,7 @@ struct cpsw_priv { #define ndev_to_cpsw(ndev) (((struct cpsw_priv *)netdev_priv(ndev))->cpsw) #define napi_to_cpsw(napi) container_of(napi, struct cpsw_common, napi) -#ifdef CONFIG_TI_CPSW_SWITCHDEV -#define for_each_slave(priv, func, arg...) \ - do { \ - struct cpsw_common *cpsw = (priv)->cpsw; \ - (func)((cpsw)->slaves + (priv)->emac_port - 1, ##arg); \ - } while (0) - -/* struct cpsw_common is not needed, kept here for compatibility - * reasons witrh the old driver - */ -static inline int cpsw_slave_index(struct cpsw_common *cpsw, - struct cpsw_priv *priv) -{ - if (priv->emac_port == HOST_PORT_NUM) - return -1; - - return priv->emac_port - 1; -} -#else -#define for_each_slave(priv, func, arg...) \ - do { \ - struct cpsw_slave *slave; \ - struct cpsw_common *cpsw = (priv)->cpsw; \ - int n; \ - if (cpsw->data.dual_emac) \ - (func)((cpsw)->slaves + priv->emac_port, ##arg);\ - else \ - for (n = cpsw->data.slaves, \ - slave = cpsw->slaves; \ - n; n--) \ - (func)(slave++, ##arg); \ - } while (0) - -#define cpsw_slave_index(cpsw, priv) \ - ((cpsw->data.dual_emac) ? priv->emac_port : \ - cpsw->data.active_slave) -#endif - -static inline int cpsw_get_slave_port(u32 slave_num) -{ - return slave_num + 1; -} +extern int (*cpsw_slave_index)(struct cpsw_common *cpsw, struct cpsw_priv *priv); struct addr_sync_ctx { struct net_device *ndev;