From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 064F71714D0; Thu, 15 Aug 2024 13:28:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723728510; cv=none; b=mkmNT47iE/JV5nsK0UR719VmAFFY/0am+IYfHtImzbIfUXBlrPn1fiJl88SPIheS6PBevE1ZOgMFv0AHBREhsQiHBgvt2PXRs/PAaRgOMAamS0V68rVeedRsczJ8B6I5NINhXbG5/D2qpwxfRwbmXBv9IIqjhdGsBOxN6uP1oZE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723728510; c=relaxed/simple; bh=eobpG5nVYQrqDNC8FkoQHuIy+hnbptBKNQKutbw0EM8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=rHJerVlLXeNWn3Edfyt52+R7UOVRHKpLdqp71cOe0ekTxgYsJ0qsWw2iXABCmo+rYtBLuL9T0c+/DCaT2S0oYv0qOrh3wJp/5f9YbqFsX3aOMLixaE26Ued2Il1+VEsR9tXGopE+kq4FKKpOsvLULH+Uf636lPEM/Ry+tXXrOko= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=EbD15B3T; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="EbD15B3T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 387D4C32786; Thu, 15 Aug 2024 13:28:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1723728509; bh=eobpG5nVYQrqDNC8FkoQHuIy+hnbptBKNQKutbw0EM8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EbD15B3TWrqeqFIDgHJCI9Yr2YSj3w3SpF4lBTjcpPeQFV6WFfOCmgD1u9zPMpuog A0oMbes3fxVLBaTc9oR726MnQvgs3aWD4VyfQvIe21iBrP43QMB3y5cdt8ODZ2XKYd /SBFD3pIgSoj8Now9HS7Ql92svonPLeyQlDctcYs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Cs=C3=B3k=C3=A1s=20Bence?= , Andrew Lunn , Jakub Kicinski , Sasha Levin Subject: [PATCH 4.19 023/196] net: fec: Refactor: #define magic constants Date: Thu, 15 Aug 2024 15:22:20 +0200 Message-ID: <20240815131852.974038921@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240815131852.063866671@linuxfoundation.org> References: <20240815131852.063866671@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Csókás Bence [ Upstream commit ff049886671ccd4e624a30ec464cb20e4c39a313 ] Add defines for bits of ECR, RCR control registers, TX watermark etc. Signed-off-by: Csókás Bence Reviewed-by: Andrew Lunn Link: https://lore.kernel.org/r/20240212153717.10023-1-csokas.bence@prolan.hu Signed-off-by: Jakub Kicinski Stable-dep-of: c32fe1986f27 ("net: fec: Fix FEC_ECR_EN1588 being cleared on link-down") Signed-off-by: Sasha Levin --- drivers/net/ethernet/freescale/fec_main.c | 46 +++++++++++++++-------- 1 file changed, 30 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 35593b41e6c12..32775326414b7 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -223,8 +223,8 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address"); #define PKT_MINBUF_SIZE 64 /* FEC receive acceleration */ -#define FEC_RACC_IPDIS (1 << 1) -#define FEC_RACC_PRODIS (1 << 2) +#define FEC_RACC_IPDIS BIT(1) +#define FEC_RACC_PRODIS BIT(2) #define FEC_RACC_SHIFT16 BIT(7) #define FEC_RACC_OPTIONS (FEC_RACC_IPDIS | FEC_RACC_PRODIS) @@ -253,8 +253,23 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address"); #define FEC_MMFR_TA (2 << 16) #define FEC_MMFR_DATA(v) (v & 0xffff) /* FEC ECR bits definition */ -#define FEC_ECR_MAGICEN (1 << 2) -#define FEC_ECR_SLEEP (1 << 3) +#define FEC_ECR_RESET BIT(0) +#define FEC_ECR_ETHEREN BIT(1) +#define FEC_ECR_MAGICEN BIT(2) +#define FEC_ECR_SLEEP BIT(3) +#define FEC_ECR_EN1588 BIT(4) +#define FEC_ECR_BYTESWP BIT(8) +/* FEC RCR bits definition */ +#define FEC_RCR_LOOP BIT(0) +#define FEC_RCR_HALFDPX BIT(1) +#define FEC_RCR_MII BIT(2) +#define FEC_RCR_PROMISC BIT(3) +#define FEC_RCR_BC_REJ BIT(4) +#define FEC_RCR_FLOWCTL BIT(5) +#define FEC_RCR_RMII BIT(8) +#define FEC_RCR_10BASET BIT(9) +/* TX WMARK bits */ +#define FEC_TXWMRK_STRFWD BIT(8) #define FEC_MII_TIMEOUT 30000 /* us */ @@ -950,7 +965,7 @@ fec_restart(struct net_device *ndev) u32 val; u32 temp_mac[2]; u32 rcntl = OPT_FRAME_SIZE | 0x04; - u32 ecntl = 0x2; /* ETHEREN */ + u32 ecntl = FEC_ECR_ETHEREN; /* Whack a reset. We should wait for this. * For i.MX6SX SOC, enet use AXI bus, we use disable MAC @@ -1026,18 +1041,18 @@ fec_restart(struct net_device *ndev) fep->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) rcntl |= (1 << 6); else if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) - rcntl |= (1 << 8); + rcntl |= FEC_RCR_RMII; else - rcntl &= ~(1 << 8); + rcntl &= ~FEC_RCR_RMII; /* 1G, 100M or 10M */ if (ndev->phydev) { if (ndev->phydev->speed == SPEED_1000) ecntl |= (1 << 5); else if (ndev->phydev->speed == SPEED_100) - rcntl &= ~(1 << 9); + rcntl &= ~FEC_RCR_10BASET; else - rcntl |= (1 << 9); + rcntl |= FEC_RCR_10BASET; } } else { #ifdef FEC_MIIGSK_ENR @@ -1096,13 +1111,13 @@ fec_restart(struct net_device *ndev) if (fep->quirks & FEC_QUIRK_ENET_MAC) { /* enable ENET endian swap */ - ecntl |= (1 << 8); + ecntl |= FEC_ECR_BYTESWP; /* enable ENET store and forward mode */ - writel(1 << 8, fep->hwp + FEC_X_WMRK); + writel(FEC_TXWMRK_STRFWD, fep->hwp + FEC_X_WMRK); } if (fep->bufdesc_ex) - ecntl |= (1 << 4); + ecntl |= FEC_ECR_EN1588; #ifndef CONFIG_M5272 /* Enable the MIB statistic event counters */ @@ -1149,7 +1164,7 @@ static void fec_stop(struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); - u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & (1 << 8); + u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & FEC_RCR_RMII; u32 val; /* We cannot expect a graceful transmit stop without link !!! */ @@ -1168,7 +1183,7 @@ fec_stop(struct net_device *ndev) if (fep->quirks & FEC_QUIRK_HAS_AVB) { writel(0, fep->hwp + FEC_ECNTRL); } else { - writel(1, fep->hwp + FEC_ECNTRL); + writel(FEC_ECR_RESET, fep->hwp + FEC_ECNTRL); udelay(10); } writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); @@ -1184,12 +1199,11 @@ fec_stop(struct net_device *ndev) /* We have to keep ENET enabled to have MII interrupt stay working */ if (fep->quirks & FEC_QUIRK_ENET_MAC && !(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) { - writel(2, fep->hwp + FEC_ECNTRL); + writel(FEC_ECR_ETHEREN, fep->hwp + FEC_ECNTRL); writel(rmii_mode, fep->hwp + FEC_R_CNTRL); } } - static void fec_timeout(struct net_device *ndev) { -- 2.43.0