From patchwork Fri Jan 13 06:23:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 642303 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ADCADC677F1 for ; Fri, 13 Jan 2023 06:27:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240902AbjAMG13 (ORCPT ); Fri, 13 Jan 2023 01:27:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240573AbjAMGZP (ORCPT ); Fri, 13 Jan 2023 01:25:15 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BE1410073; Thu, 12 Jan 2023 22:24:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=yNX/9/e3mCL8Z9/A5TRWG0UKPW9ZyWcnD51C6LTuRVI=; b=Ylt8A4HngYHMxsdrT3HnhJDlSV iJ170NFOhoE5/jm4B0r2iZEgG/7ENapsBN7EG3eTyLKpN5X9ZYXjsypPqcTfmEHfo+RwMWyPpP/3+ mjrTudLbbjWOokwEpDHR/SYDPQjEdYu2BrhFltpnBqms3qC6BjqFpSVzUExolaX5+7GIWz7XCFYWp EnNcdwUy6QpwLO2RM/m2LT0BcRLf2dwVUO5JUTWY6khIjWo2kMDSALL69dwv9d7JksbiErk0cYjJy F0GEfksn110Oud3Mh6LP7zQRl0CYW85Mx25oaHsuUudRug/Y9kNkATuSeuGsCBnzF27GOv603zDC4 VB09RLNw==; Received: from [2001:4bb8:181:656b:9509:7d20:8d39:f895] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pGDUH-000ljq-PK; Fri, 13 Jan 2023 06:24:26 +0000 From: Christoph Hellwig To: Yoshinori Sato , Rich Felker , Arnd Bergmann , Greg Kroah-Hartman Cc: Laurent Pinchart , Kieran Bingham , Geert Uytterhoeven , linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-arch@vger.kernel.org, dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-i2c@vger.kernel.org, linux-input@vger.kernel.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org, linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org, alsa-devel@alsa-project.org, linux-sh@vger.kernel.org Subject: [PATCH 12/22] net/ethernet/8390: remove stnic Date: Fri, 13 Jan 2023 07:23:29 +0100 Message-Id: <20230113062339.1909087-13-hch@lst.de> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230113062339.1909087-1-hch@lst.de> References: <20230113062339.1909087-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Now that arch/sh is removed this driver is dead code. Signed-off-by: Christoph Hellwig --- drivers/net/ethernet/8390/Kconfig | 12 -- drivers/net/ethernet/8390/Makefile | 1 - drivers/net/ethernet/8390/stnic.c | 302 ----------------------------- 3 files changed, 315 deletions(-) delete mode 100644 drivers/net/ethernet/8390/stnic.c diff --git a/drivers/net/ethernet/8390/Kconfig b/drivers/net/ethernet/8390/Kconfig index eb90de04c88419..a7976743be9ee3 100644 --- a/drivers/net/ethernet/8390/Kconfig +++ b/drivers/net/ethernet/8390/Kconfig @@ -155,18 +155,6 @@ config PCMCIA_PCNET To compile this driver as a module, choose M here: the module will be called pcnet_cs. If unsure, say N. -config STNIC - tristate "National DP83902AV support" - depends on SUPERH - select CRC32 - help - Support for cards based on the National Semiconductor DP83902AV - ST-NIC Serial Network Interface Controller for Twisted Pair. This - is a 10Mbit/sec Ethernet controller. Product overview and specs at - . - - If unsure, say N. - config ULTRA tristate "SMC Ultra support" depends on ISA diff --git a/drivers/net/ethernet/8390/Makefile b/drivers/net/ethernet/8390/Makefile index 85c83c566ec663..3819a3bb75a1c9 100644 --- a/drivers/net/ethernet/8390/Makefile +++ b/drivers/net/ethernet/8390/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_NE2000) += ne.o 8390p.o obj-$(CONFIG_NE2K_PCI) += ne2k-pci.o 8390.o obj-$(CONFIG_PCMCIA_AXNET) += axnet_cs.o 8390.o obj-$(CONFIG_PCMCIA_PCNET) += pcnet_cs.o 8390.o -obj-$(CONFIG_STNIC) += stnic.o 8390.o obj-$(CONFIG_ULTRA) += smc-ultra.o 8390.o obj-$(CONFIG_WD80x3) += wd.o 8390.o obj-$(CONFIG_XSURF100) += xsurf100.o diff --git a/drivers/net/ethernet/8390/stnic.c b/drivers/net/ethernet/8390/stnic.c deleted file mode 100644 index bd89ca8a92dfbc..00000000000000 --- a/drivers/net/ethernet/8390/stnic.c +++ /dev/null @@ -1,302 +0,0 @@ -/* stnic.c : A SH7750 specific part of driver for NS DP83902A ST-NIC. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1999 kaz Kojima - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#ifdef CONFIG_SH_STANDARD_BIOS -#include -#endif - -#include "8390.h" - -#define DRV_NAME "stnic" - -#define byte unsigned char -#define half unsigned short -#define word unsigned int -#define vbyte volatile unsigned char -#define vhalf volatile unsigned short -#define vword volatile unsigned int - -#define STNIC_RUN 0x01 /* 1 == Run, 0 == reset. */ - -#define START_PG 0 /* First page of TX buffer */ -#define STOP_PG 128 /* Last page +1 of RX ring */ - -/* Alias */ -#define STNIC_CR E8390_CMD -#define PG0_RSAR0 EN0_RSARLO -#define PG0_RSAR1 EN0_RSARHI -#define PG0_RBCR0 EN0_RCNTLO -#define PG0_RBCR1 EN0_RCNTHI - -#define CR_RRD E8390_RREAD -#define CR_RWR E8390_RWRITE -#define CR_PG0 E8390_PAGE0 -#define CR_STA E8390_START -#define CR_RDMA E8390_NODMA - -/* FIXME! YOU MUST SET YOUR OWN ETHER ADDRESS. */ -static byte stnic_eadr[6] = -{0x00, 0xc0, 0x6e, 0x00, 0x00, 0x07}; - -static struct net_device *stnic_dev; - -static void stnic_reset (struct net_device *dev); -static void stnic_get_hdr (struct net_device *dev, struct e8390_pkt_hdr *hdr, - int ring_page); -static void stnic_block_input (struct net_device *dev, int count, - struct sk_buff *skb , int ring_offset); -static void stnic_block_output (struct net_device *dev, int count, - const unsigned char *buf, int start_page); - -static void stnic_init (struct net_device *dev); - -static u32 stnic_msg_enable; - -module_param_named(msg_enable, stnic_msg_enable, uint, 0444); -MODULE_PARM_DESC(msg_enable, "Debug message level (see linux/netdevice.h for bitmap)"); - -/* SH7750 specific read/write io. */ -static inline void -STNIC_DELAY (void) -{ - vword trash; - trash = *(vword *) 0xa0000000; - trash = *(vword *) 0xa0000000; - trash = *(vword *) 0xa0000000; -} - -static inline byte -STNIC_READ (int reg) -{ - byte val; - - val = (*(vhalf *) (PA_83902 + ((reg) << 1)) >> 8) & 0xff; - STNIC_DELAY (); - return val; -} - -static inline void -STNIC_WRITE (int reg, byte val) -{ - *(vhalf *) (PA_83902 + ((reg) << 1)) = ((half) (val) << 8); - STNIC_DELAY (); -} - -static int __init stnic_probe(void) -{ - struct net_device *dev; - struct ei_device *ei_local; - int err; - - /* If we are not running on a SolutionEngine, give up now */ - if (! MACH_SE) - return -ENODEV; - - /* New style probing API */ - dev = alloc_ei_netdev(); - if (!dev) - return -ENOMEM; - -#ifdef CONFIG_SH_STANDARD_BIOS - sh_bios_get_node_addr (stnic_eadr); -#endif - eth_hw_addr_set(dev, stnic_eadr); - - /* Set the base address to point to the NIC, not the "real" base! */ - dev->base_addr = 0x1000; - dev->irq = IRQ_STNIC; - dev->netdev_ops = &ei_netdev_ops; - - /* Snarf the interrupt now. There's no point in waiting since we cannot - share and the board will usually be enabled. */ - err = request_irq (dev->irq, ei_interrupt, 0, DRV_NAME, dev); - if (err) { - netdev_emerg(dev, " unable to get IRQ %d.\n", dev->irq); - free_netdev(dev); - return err; - } - - ei_status.name = dev->name; - ei_status.word16 = 1; -#ifdef __LITTLE_ENDIAN__ - ei_status.bigendian = 0; -#else - ei_status.bigendian = 1; -#endif - ei_status.tx_start_page = START_PG; - ei_status.rx_start_page = START_PG + TX_PAGES; - ei_status.stop_page = STOP_PG; - - ei_status.reset_8390 = &stnic_reset; - ei_status.get_8390_hdr = &stnic_get_hdr; - ei_status.block_input = &stnic_block_input; - ei_status.block_output = &stnic_block_output; - - stnic_init (dev); - ei_local = netdev_priv(dev); - ei_local->msg_enable = stnic_msg_enable; - - err = register_netdev(dev); - if (err) { - free_irq(dev->irq, dev); - free_netdev(dev); - return err; - } - stnic_dev = dev; - - netdev_info(dev, "NS ST-NIC 83902A\n"); - - return 0; -} - -static void -stnic_reset (struct net_device *dev) -{ - struct ei_device *ei_local = netdev_priv(dev); - - *(vhalf *) PA_83902_RST = 0; - udelay (5); - netif_warn(ei_local, hw, dev, "8390 reset done (%ld).\n", jiffies); - *(vhalf *) PA_83902_RST = ~0; - udelay (5); -} - -static void -stnic_get_hdr (struct net_device *dev, struct e8390_pkt_hdr *hdr, - int ring_page) -{ - struct ei_device *ei_local = netdev_priv(dev); - - half buf[2]; - - STNIC_WRITE (PG0_RSAR0, 0); - STNIC_WRITE (PG0_RSAR1, ring_page); - STNIC_WRITE (PG0_RBCR0, 4); - STNIC_WRITE (PG0_RBCR1, 0); - STNIC_WRITE (STNIC_CR, CR_RRD | CR_PG0 | CR_STA); - - buf[0] = *(vhalf *) PA_83902_IF; - STNIC_DELAY (); - buf[1] = *(vhalf *) PA_83902_IF; - STNIC_DELAY (); - hdr->next = buf[0] >> 8; - hdr->status = buf[0] & 0xff; -#ifdef __LITTLE_ENDIAN__ - hdr->count = buf[1]; -#else - hdr->count = ((buf[1] >> 8) & 0xff) | (buf[1] << 8); -#endif - - netif_dbg(ei_local, probe, dev, "ring %x status %02x next %02x count %04x.\n", - ring_page, hdr->status, hdr->next, hdr->count); - - STNIC_WRITE (STNIC_CR, CR_RDMA | CR_PG0 | CR_STA); -} - -/* Block input and output, similar to the Crynwr packet driver. If you are - porting to a new ethercard look at the packet driver source for hints. - The HP LAN doesn't use shared memory -- we put the packet - out through the "remote DMA" dataport. */ - -static void -stnic_block_input (struct net_device *dev, int length, struct sk_buff *skb, - int offset) -{ - char *buf = skb->data; - half val; - - STNIC_WRITE (PG0_RSAR0, offset & 0xff); - STNIC_WRITE (PG0_RSAR1, offset >> 8); - STNIC_WRITE (PG0_RBCR0, length & 0xff); - STNIC_WRITE (PG0_RBCR1, length >> 8); - STNIC_WRITE (STNIC_CR, CR_RRD | CR_PG0 | CR_STA); - - if (length & 1) - length++; - - while (length > 0) - { - val = *(vhalf *) PA_83902_IF; -#ifdef __LITTLE_ENDIAN__ - *buf++ = val & 0xff; - *buf++ = val >> 8; -#else - *buf++ = val >> 8; - *buf++ = val & 0xff; -#endif - STNIC_DELAY (); - length -= sizeof (half); - } - - STNIC_WRITE (STNIC_CR, CR_RDMA | CR_PG0 | CR_STA); -} - -static void -stnic_block_output (struct net_device *dev, int length, - const unsigned char *buf, int output_page) -{ - STNIC_WRITE (PG0_RBCR0, 1); /* Write non-zero value */ - STNIC_WRITE (STNIC_CR, CR_RRD | CR_PG0 | CR_STA); - STNIC_DELAY (); - - STNIC_WRITE (PG0_RBCR0, length & 0xff); - STNIC_WRITE (PG0_RBCR1, length >> 8); - STNIC_WRITE (PG0_RSAR0, 0); - STNIC_WRITE (PG0_RSAR1, output_page); - STNIC_WRITE (STNIC_CR, CR_RWR | CR_PG0 | CR_STA); - - if (length & 1) - length++; - - while (length > 0) - { -#ifdef __LITTLE_ENDIAN__ - *(vhalf *) PA_83902_IF = ((half) buf[1] << 8) | buf[0]; -#else - *(vhalf *) PA_83902_IF = ((half) buf[0] << 8) | buf[1]; -#endif - STNIC_DELAY (); - buf += sizeof (half); - length -= sizeof (half); - } - - STNIC_WRITE (STNIC_CR, CR_RDMA | CR_PG0 | CR_STA); -} - -/* This function resets the STNIC if something screws up. */ -static void -stnic_init (struct net_device *dev) -{ - stnic_reset (dev); - NS8390_init (dev, 0); -} - -static void __exit stnic_cleanup(void) -{ - unregister_netdev(stnic_dev); - free_irq(stnic_dev->irq, stnic_dev); - free_netdev(stnic_dev); -} - -module_init(stnic_probe); -module_exit(stnic_cleanup); -MODULE_LICENSE("GPL");