Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752456AbcLEKDG (ORCPT ); Mon, 5 Dec 2016 05:03:06 -0500 Received: from bastet.se.axis.com ([195.60.68.11]:48427 "EHLO bastet.se.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750998AbcLEJLP (ORCPT ); Mon, 5 Dec 2016 04:11:15 -0500 From: Niklas Cassel To: Giuseppe Cavallaro , Alexandre Torgue CC: Niklas Cassel , , Subject: [PATCH v2 2/6] net: stmmac: simplify the common DMA init API Date: Mon, 5 Dec 2016 10:10:34 +0100 Message-ID: <1480929039-20257-3-git-send-email-niklass@axis.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1480929039-20257-1-git-send-email-niklass@axis.com> References: <1480929039-20257-1-git-send-email-niklass@axis.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.0.5.60] X-ClientProxiedBy: XBOX02.axis.com (10.0.5.16) To XBOX02.axis.com (10.0.5.16) X-TM-AS-GCONF: 00 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5692 Lines: 149 From: Niklas Cassel Use struct stmmac_dma_cfg *dma_cfg as an argument rather than using all the struct members as individual arguments. Signed-off-by: Niklas Cassel --- drivers/net/ethernet/stmicro/stmmac/common.h | 4 ++-- drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c | 13 +++++++------ drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c | 7 ++++--- drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 14 ++++++++------ drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 +----- 5 files changed, 22 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 3ced2e1703c1..b13a144f72ad 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -412,8 +412,8 @@ extern const struct stmmac_desc_ops ndesc_ops; struct stmmac_dma_ops { /* DMA core initialization */ int (*reset)(void __iomem *ioaddr); - void (*init)(void __iomem *ioaddr, int pbl, int fb, int mb, - int aal, u32 dma_tx, u32 dma_rx, int atds); + void (*init)(void __iomem *ioaddr, struct stmmac_dma_cfg *dma_cfg, + u32 dma_tx, u32 dma_rx, int atds); /* Configure the AXI Bus Mode Register */ void (*axi)(void __iomem *ioaddr, struct stmmac_axi *axi); /* Dump DMA registers */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c index 990746955216..01d0d0f315e5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c @@ -82,8 +82,9 @@ static void dwmac1000_dma_axi(void __iomem *ioaddr, struct stmmac_axi *axi) writel(value, ioaddr + DMA_AXI_BUS_MODE); } -static void dwmac1000_dma_init(void __iomem *ioaddr, int pbl, int fb, int mb, - int aal, u32 dma_tx, u32 dma_rx, int atds) +static void dwmac1000_dma_init(void __iomem *ioaddr, + struct stmmac_dma_cfg *dma_cfg, + u32 dma_tx, u32 dma_rx, int atds) { u32 value = readl(ioaddr + DMA_BUS_MODE); @@ -99,20 +100,20 @@ static void dwmac1000_dma_init(void __iomem *ioaddr, int pbl, int fb, int mb, */ value |= DMA_BUS_MODE_MAXPBL; value &= ~DMA_BUS_MODE_PBL_MASK; - value |= (pbl << DMA_BUS_MODE_PBL_SHIFT); + value |= (dma_cfg->pbl << DMA_BUS_MODE_PBL_SHIFT); /* Set the Fixed burst mode */ - if (fb) + if (dma_cfg->fixed_burst) value |= DMA_BUS_MODE_FB; /* Mixed Burst has no effect when fb is set */ - if (mb) + if (dma_cfg->mixed_burst) value |= DMA_BUS_MODE_MB; if (atds) value |= DMA_BUS_MODE_ATDS; - if (aal) + if (dma_cfg->aal) value |= DMA_BUS_MODE_AAL; writel(value, ioaddr + DMA_BUS_MODE); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c index 61f54c99a7de..e5664da382f3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c @@ -32,11 +32,12 @@ #include "dwmac100.h" #include "dwmac_dma.h" -static void dwmac100_dma_init(void __iomem *ioaddr, int pbl, int fb, int mb, - int aal, u32 dma_tx, u32 dma_rx, int atds) +static void dwmac100_dma_init(void __iomem *ioaddr, + struct stmmac_dma_cfg *dma_cfg, + u32 dma_tx, u32 dma_rx, int atds) { /* Enable Application Access by writing to DMA CSR0 */ - writel(DMA_BUS_MODE_DEFAULT | (pbl << DMA_BUS_MODE_PBL_SHIFT), + writel(DMA_BUS_MODE_DEFAULT | (dma_cfg->pbl << DMA_BUS_MODE_PBL_SHIFT), ioaddr + DMA_BUS_MODE); /* Mask interrupts by writing to CSR7 */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c index 577316de6ba8..0946546d6dcd 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -97,27 +97,29 @@ static void dwmac4_dma_init_channel(void __iomem *ioaddr, int pbl, writel(dma_rx_phy, ioaddr + DMA_CHAN_RX_BASE_ADDR(channel)); } -static void dwmac4_dma_init(void __iomem *ioaddr, int pbl, int fb, int mb, - int aal, u32 dma_tx, u32 dma_rx, int atds) +static void dwmac4_dma_init(void __iomem *ioaddr, + struct stmmac_dma_cfg *dma_cfg, + u32 dma_tx, u32 dma_rx, int atds) { u32 value = readl(ioaddr + DMA_SYS_BUS_MODE); int i; /* Set the Fixed burst mode */ - if (fb) + if (dma_cfg->fixed_burst) value |= DMA_SYS_BUS_FB; /* Mixed Burst has no effect when fb is set */ - if (mb) + if (dma_cfg->mixed_burst) value |= DMA_SYS_BUS_MB; - if (aal) + if (dma_cfg->aal) value |= DMA_SYS_BUS_AAL; writel(value, ioaddr + DMA_SYS_BUS_MODE); for (i = 0; i < DMA_CHANNEL_NB_MAX; i++) - dwmac4_dma_init_channel(ioaddr, pbl, dma_tx, dma_rx, i); + dwmac4_dma_init_channel(ioaddr, dma_cfg->pbl, + dma_tx, dma_rx, i); } static void _dwmac4_dump_dma_regs(void __iomem *ioaddr, u32 channel) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 14366800e5e6..b1e42ddf0370 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1595,11 +1595,7 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv) return ret; } - priv->hw->dma->init(priv->ioaddr, - priv->plat->dma_cfg->pbl, - priv->plat->dma_cfg->fixed_burst, - priv->plat->dma_cfg->mixed_burst, - priv->plat->dma_cfg->aal, + priv->hw->dma->init(priv->ioaddr, priv->plat->dma_cfg, priv->dma_tx_phy, priv->dma_rx_phy, atds); if (priv->synopsys_id >= DWMAC_CORE_4_00) { -- 2.1.4