[OpenWrt-Devel] [PATCH] spi-ks8995: switch to upstream

John Crispin blogic at openwrt.org
Wed Apr 1 05:02:10 EDT 2015


Hi,

did you runtime test this ?

	John

On 01/04/2015 01:50, Sergey Ryazanov wrote:
> This driver is upstream since 2012 (commit: a8e510f682f), so switch to
> it and remove own sources. Also place it under "Network Devices" menu
> together with other phy drivers.
> 
> Signed-off-by: Sergey Ryazanov <ryazanov.s.a at gmail.com>
> ---
>  package/kernel/linux/modules/netdevices.mk |  17 ++
>  package/kernel/spi-ks8995/Makefile         |  54 ----
>  package/kernel/spi-ks8995/src/Kconfig      |   3 -
>  package/kernel/spi-ks8995/src/Makefile     |   1 -
>  package/kernel/spi-ks8995/src/spi_ks8995.c | 419 -----------------------------
>  5 files changed, 17 insertions(+), 477 deletions(-)
>  delete mode 100644 package/kernel/spi-ks8995/Makefile
>  delete mode 100644 package/kernel/spi-ks8995/src/Kconfig
>  delete mode 100644 package/kernel/spi-ks8995/src/Makefile
>  delete mode 100644 package/kernel/spi-ks8995/src/spi_ks8995.c
> 
> diff --git a/package/kernel/linux/modules/netdevices.mk b/package/kernel/linux/modules/netdevices.mk
> index dd8692a..4508998 100644
> --- a/package/kernel/linux/modules/netdevices.mk
> +++ b/package/kernel/linux/modules/netdevices.mk
> @@ -810,3 +810,20 @@ define KernelPackage/vmxnet3/description
>  endef
>  
>  $(eval $(call KernelPackage,vmxnet3))
> +
> +
> +define KernelPackage/spi-ks8995
> +  SUBMENU:=$(NETWORK_DEVICES_MENU)
> +  TITLE:=Micrel/Kendin KS8995 Ethernet switch control
> +  FILES:=$(LINUX_DIR)/drivers/net/phy/spi_ks8995.ko
> +  KCONFIG:=CONFIG_MICREL_KS8995MA \
> +	CONFIG_SPI=y \
> +	CONFIG_SPI_MASTER=y
> +  AUTOLOAD:=$(call AutoLoad,50,spi_ks8995)
> +endef
> +
> +define KernelPackage/spi-ks8995/description
> +  Kernel module for Micrel/Kendin KS8995 ethernet switch
> +endef
> +
> +$(eval $(call KernelPackage,spi-ks8995))
> diff --git a/package/kernel/spi-ks8995/Makefile b/package/kernel/spi-ks8995/Makefile
> deleted file mode 100644
> index 0be9fe3..0000000
> --- a/package/kernel/spi-ks8995/Makefile
> +++ /dev/null
> @@ -1,54 +0,0 @@
> -#
> -# Copyright (C) 2008 OpenWrt.org
> -#
> -# This is free software, licensed under the GNU General Public License v2.
> -# See /LICENSE for more information.
> -#
> -
> -include $(TOPDIR)/rules.mk
> -include $(INCLUDE_DIR)/kernel.mk
> -
> -PKG_NAME:=spi-ks8995
> -PKG_RELEASE:=1
> -
> -include $(INCLUDE_DIR)/package.mk
> -
> -define KernelPackage/spi-ks8995
> -  SUBMENU:=SPI Support
> -  TITLE:=Micrel/Kendin KS8995 Ethernet switch control
> -  FILES:=$(PKG_BUILD_DIR)/spi_ks8995.ko
> -  KCONFIG:=CONFIG_SPI=y \
> -	CONFIG_SPI_MASTER=y
> -  AUTOLOAD:=$(call AutoLoad,50,spi_ks8995)
> -endef
> -
> -define KernelPackage/spi-ks8995/description
> -  Kernel module for Micrel/Kendin KS8995 ethernet switch
> -endef
> -
> -EXTRA_KCONFIG:= \
> -	CONFIG_SPI_KS8995=m
> -
> -EXTRA_CFLAGS:= \
> -	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
> -	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \
> -
> -MAKE_OPTS:= \
> -	ARCH="$(LINUX_KARCH)" \
> -	CROSS_COMPILE="$(TARGET_CROSS)" \
> -	SUBDIRS="$(PKG_BUILD_DIR)" \
> -	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
> -	$(EXTRA_KCONFIG)
> -
> -define Build/Prepare
> -	mkdir -p $(PKG_BUILD_DIR)
> -	$(CP) ./src/* $(PKG_BUILD_DIR)/
> -endef
> -
> -define Build/Compile
> -	$(MAKE) -C "$(LINUX_DIR)" \
> -		$(MAKE_OPTS) \
> -		modules
> -endef
> -
> -$(eval $(call KernelPackage,spi-ks8995))
> diff --git a/package/kernel/spi-ks8995/src/Kconfig b/package/kernel/spi-ks8995/src/Kconfig
> deleted file mode 100644
> index 7859be1..0000000
> --- a/package/kernel/spi-ks8995/src/Kconfig
> +++ /dev/null
> @@ -1,3 +0,0 @@
> -config SPI_KS8995
> -	tristate "Micrel/Kendin KS8995 Ethernet switch"
> -	depends on SPI
> diff --git a/package/kernel/spi-ks8995/src/Makefile b/package/kernel/spi-ks8995/src/Makefile
> deleted file mode 100644
> index 810c3bd..0000000
> --- a/package/kernel/spi-ks8995/src/Makefile
> +++ /dev/null
> @@ -1 +0,0 @@
> -obj-${CONFIG_SPI_KS8995}	+= spi_ks8995.o
> \ No newline at end of file
> diff --git a/package/kernel/spi-ks8995/src/spi_ks8995.c b/package/kernel/spi-ks8995/src/spi_ks8995.c
> deleted file mode 100644
> index dc42b5d..0000000
> --- a/package/kernel/spi-ks8995/src/spi_ks8995.c
> +++ /dev/null
> @@ -1,419 +0,0 @@
> -/*
> - * SPI driver for Micrel/Kendin KS8995M ethernet switch
> - *
> - * Copyright (C) 2008 Gabor Juhos <juhosg at openwrt.org>
> - *
> - * This file was based on: drivers/spi/at25.c
> - *	Copyright (C) 2006 David Brownell
> - *
> - * This program is free software; you can redistribute it and/or modify it
> - * under the terms of the GNU General Public License version 2 as published
> - * by the Free Software Foundation.
> - */
> -
> -#include <linux/types.h>
> -#include <linux/kernel.h>
> -#include <linux/init.h>
> -#include <linux/module.h>
> -#include <linux/delay.h>
> -#include <linux/device.h>
> -
> -#include <linux/spi/spi.h>
> -
> -#define DRV_VERSION	"0.1.1"
> -#define DRV_DESC	"Micrel/Kendin KS8995 Ethernet switch SPI driver"
> -
> -/*-------------------------------------------------------------------------*/
> -
> -#define KS8995_REG_ID0		0x00	/* Chip ID0 */
> -#define KS8995_REG_ID1		0x01	/* Chip ID1 */
> -
> -#define KS8995_REG_GC0		0x02	/* Global Control 0 */
> -#define KS8995_REG_GC1		0x03	/* Global Control 1 */
> -#define KS8995_REG_GC2		0x04	/* Global Control 2 */
> -#define KS8995_REG_GC3		0x05	/* Global Control 3 */
> -#define KS8995_REG_GC4		0x06	/* Global Control 4 */
> -#define KS8995_REG_GC5		0x07	/* Global Control 5 */
> -#define KS8995_REG_GC6		0x08	/* Global Control 6 */
> -#define KS8995_REG_GC7		0x09	/* Global Control 7 */
> -#define KS8995_REG_GC8		0x0a	/* Global Control 8 */
> -#define KS8995_REG_GC9		0x0b	/* Global Control 9 */
> -
> -#define KS8995_REG_PC(p,r)	((0x10 * p) + r)	/* Port Control */
> -#define KS8995_REG_PS(p,r)	((0x10 * p) + r + 0xe)	/* Port Status */
> -
> -#define KS8995_REG_TPC0		0x60	/* TOS Priority Control 0 */
> -#define KS8995_REG_TPC1		0x61	/* TOS Priority Control 1 */
> -#define KS8995_REG_TPC2		0x62	/* TOS Priority Control 2 */
> -#define KS8995_REG_TPC3		0x63	/* TOS Priority Control 3 */
> -#define KS8995_REG_TPC4		0x64	/* TOS Priority Control 4 */
> -#define KS8995_REG_TPC5		0x65	/* TOS Priority Control 5 */
> -#define KS8995_REG_TPC6		0x66	/* TOS Priority Control 6 */
> -#define KS8995_REG_TPC7		0x67	/* TOS Priority Control 7 */
> -
> -#define KS8995_REG_MAC0		0x68	/* MAC address 0 */
> -#define KS8995_REG_MAC1		0x69	/* MAC address 1 */
> -#define KS8995_REG_MAC2		0x6a	/* MAC address 2 */
> -#define KS8995_REG_MAC3		0x6b	/* MAC address 3 */
> -#define KS8995_REG_MAC4		0x6c	/* MAC address 4 */
> -#define KS8995_REG_MAC5		0x6d	/* MAC address 5 */
> -
> -#define KS8995_REG_IAC0		0x6e	/* Indirect Access Control 0 */
> -#define KS8995_REG_IAC1		0x6f	/* Indirect Access Control 0 */
> -
> -#define KS8995_REG_IAD7		0x70	/* Indirect Access Data 7 */
> -#define KS8995_REG_IAD6		0x71	/* Indirect Access Data 6 */
> -#define KS8995_REG_IAD5		0x72	/* Indirect Access Data 5 */
> -#define KS8995_REG_IAD4		0x73	/* Indirect Access Data 4 */
> -#define KS8995_REG_IAD3		0x74	/* Indirect Access Data 3 */
> -#define KS8995_REG_IAD2		0x75	/* Indirect Access Data 2 */
> -#define KS8995_REG_IAD1		0x76	/* Indirect Access Data 1 */
> -#define KS8995_REG_IAD0		0x77	/* Indirect Access Data 0 */
> -
> -#define KS8995_REGS_SIZE	0x80
> -
> -#define ID1_CHIPID_M	0xf
> -#define ID1_CHIPID_S	4
> -#define ID1_REVISION_M	0x7
> -#define ID1_REVISION_S	1
> -#define ID1_START_SW	1	/* start the switch */
> -
> -#define FAMILY_KS8995	0x95
> -#define CHIPID_M	0
> -
> -#define KS8995_CMD_WRITE	0x02U
> -#define KS8995_CMD_READ		0x03U
> -
> -#define KS8995_RESET_DELAY	10 /* usec */
> -
> -/*-------------------------------------------------------------------------*/
> -
> -struct ks8995_pdata {
> -	/* not yet implemented */
> -};
> -
> -struct ks8995_switch {
> -	struct spi_device	*spi;
> -	struct mutex		lock;
> -	struct ks8995_pdata	*pdata;
> -};
> -
> -/*-------------------------------------------------------------------------*/
> -
> -static inline u8 get_chip_id(u8 val)
> -{
> -	return ((val >> ID1_CHIPID_S) & ID1_CHIPID_M);
> -}
> -
> -static inline u8 get_chip_rev(u8 val)
> -{
> -	return ((val >> ID1_REVISION_S) & ID1_REVISION_M);
> -}
> -
> -/*-------------------------------------------------------------------------*/
> -
> -static int ks8995_read(struct ks8995_switch *ks, char *buf,
> -		unsigned offset, size_t count)
> -{
> -	u8 cmd[2];
> -	struct spi_transfer t[2];
> -	struct spi_message m;
> -	int err;
> -
> -	spi_message_init(&m);
> -
> -	memset(&t, 0, sizeof(t));
> -
> -	t[0].tx_buf = cmd;
> -	t[0].len = sizeof(cmd);
> -	spi_message_add_tail(&t[0], &m);
> -
> -	t[1].rx_buf = buf;
> -	t[1].len = count;
> -	spi_message_add_tail(&t[1], &m);
> -
> -	cmd[0] = KS8995_CMD_READ;
> -	cmd[1] = offset;
> -
> -	mutex_lock(&ks->lock);
> -	err = spi_sync(ks->spi, &m);
> -	mutex_unlock(&ks->lock);
> -
> -	return err ? err : count;
> -}
> -
> -
> -static int ks8995_write(struct ks8995_switch *ks, char *buf,
> -		unsigned offset, size_t count)
> -{
> -	u8 cmd[2];
> -	struct spi_transfer t[2];
> -	struct spi_message m;
> -	int err;
> -
> -	spi_message_init(&m);
> -
> -	memset(&t, 0, sizeof(t));
> -
> -	t[0].tx_buf = cmd;
> -	t[0].len = sizeof(cmd);
> -	spi_message_add_tail(&t[0], &m);
> -
> -	t[1].tx_buf = buf;
> -	t[1].len = count;
> -	spi_message_add_tail(&t[1], &m);
> -
> -	cmd[0] = KS8995_CMD_WRITE;
> -	cmd[1] = offset;
> -
> -	mutex_lock(&ks->lock);
> -	err = spi_sync(ks->spi, &m);
> -	mutex_unlock(&ks->lock);
> -
> -	return err ? err : count;
> -}
> -
> -static inline int ks8995_read_reg(struct ks8995_switch *ks, u8 addr, u8 *buf)
> -{
> -	return (ks8995_read(ks, buf, addr, 1) != 1);
> -}
> -
> -static inline int ks8995_write_reg(struct ks8995_switch *ks, u8 addr, u8 val)
> -{
> -	char buf = val;
> -
> -	return (ks8995_write(ks, &buf, addr, 1) != 1);
> -}
> -
> -/*-------------------------------------------------------------------------*/
> -
> -#if 0
> -static int ks8995_setup(struct spi_device *spi)
> -{
> -	struct ks8995_switch *ks;
> -	u8 t;
> -
> -	ks = dev_get_drvdata(&spi->dev);
> -
> -	ks8995_write_reg(ks, KS8995_REG_GC0, 0x4c);
> -	ks8995_write_reg(ks, KS8995_REG_GC1, 0x05);
> -
> -	ks8995_read_reg(ks, KS8995_REG_GC2, &t);
> -	ks8995_write_reg(ks, KS8995_REG_GC2, t | 1);
> -
> -	ks8995_write_reg(ks, KS8995_REG_GC4, 0x20);
> -
> -	ks8995_write_reg(ks, KS8995_REG_PC(1,0), 0x61);
> -	ks8995_write_reg(ks, KS8995_REG_PC(2,0), 0x61);
> -	ks8995_write_reg(ks, KS8995_REG_PC(3,0), 0x61);
> -	ks8995_write_reg(ks, KS8995_REG_PC(4,0), 0x61);
> -	ks8995_write_reg(ks, KS8995_REG_PC(5,0), 0x61);
> -
> -	ks8995_write_reg(ks, KS8995_REG_PC(5,11), 0x18);
> -
> -	ks8995_write_reg(ks, KS8995_REG_TPC0, 0xff);
> -	ks8995_write_reg(ks, KS8995_REG_TPC1, 0xff);
> -	ks8995_write_reg(ks, KS8995_REG_TPC2, 0xff);
> -	ks8995_write_reg(ks, KS8995_REG_TPC3, 0xff);
> -	ks8995_write_reg(ks, KS8995_REG_TPC4, 0xff);
> -	ks8995_write_reg(ks, KS8995_REG_TPC5, 0xff);
> -	ks8995_write_reg(ks, KS8995_REG_TPC6, 0xff);
> -	ks8995_write_reg(ks, KS8995_REG_TPC7, 0xfe);
> -
> -	return 0;
> -}
> -#endif
> -
> -static int ks8995_stop(struct ks8995_switch *ks)
> -{
> -	return ks8995_write_reg(ks, KS8995_REG_ID1, 0);
> -}
> -
> -static int ks8995_start(struct ks8995_switch *ks)
> -{
> -	return ks8995_write_reg(ks, KS8995_REG_ID1, 1);
> -}
> -
> -static int ks8995_reset(struct ks8995_switch *ks)
> -{
> -	int err;
> -
> -	err = ks8995_stop(ks);
> -	if (err)
> -		return err;
> -
> -	udelay(KS8995_RESET_DELAY);
> -
> -	return ks8995_start(ks);
> -}
> -
> -/*-------------------------------------------------------------------------*/
> -
> -static int ks8995_registers_read(struct kobject *kobj,
> -	struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count)
> -{
> -	struct device *dev;
> -	struct ks8995_switch *ks8995;
> -
> -	dev = container_of(kobj, struct device, kobj);
> -	ks8995 = dev_get_drvdata(dev);
> -
> -	if (unlikely(off > KS8995_REGS_SIZE))
> -		return 0;
> -
> -	if ((off + count) > KS8995_REGS_SIZE)
> -		count = KS8995_REGS_SIZE - off;
> -
> -	if (unlikely(!count))
> -		return count;
> -
> -	return ks8995_read(ks8995, buf, off, count);
> -}
> -
> -
> -static int ks8995_registers_write(struct kobject *kobj,
> -	struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count)
> -{
> -	struct device *dev;
> -	struct ks8995_switch *ks8995;
> -
> -	dev = container_of(kobj, struct device, kobj);
> -	ks8995 = dev_get_drvdata(dev);
> -
> -	if (unlikely(off >= KS8995_REGS_SIZE))
> -		return -EFBIG;
> -
> -	if ((off + count) > KS8995_REGS_SIZE)
> -		count = KS8995_REGS_SIZE - off;
> -
> -	if (unlikely(!count))
> -		return count;
> -
> -	return ks8995_write(ks8995, buf, off, count);
> -}
> -
> -
> -static struct bin_attribute ks8995_registers_attr = {
> -	.attr = {
> -		.name	= "registers",
> -		.mode	= S_IRUSR | S_IWUSR,
> -	},
> -	.size	= KS8995_REGS_SIZE,
> -	.read	= ks8995_registers_read,
> -	.write	= ks8995_registers_write,
> -};
> -
> -/*-------------------------------------------------------------------------*/
> -
> -static int ks8995_probe(struct spi_device *spi)
> -{
> -	struct ks8995_switch	*ks;
> -	struct ks8995_pdata	*pdata;
> -	u8	ids[2];
> -	int	err;
> -
> -	/* Chip description */
> -	pdata = spi->dev.platform_data;
> -
> -	ks = kzalloc(sizeof(*ks), GFP_KERNEL);
> -	if (!ks) {
> -		dev_err(&spi->dev, "no memory for private data\n");
> -		return-ENOMEM;
> -	}
> -
> -	mutex_init(&ks->lock);
> -	ks->pdata = pdata;
> -	ks->spi = spi_dev_get(spi);
> -	dev_set_drvdata(&spi->dev, ks);
> -
> -	spi->mode = SPI_MODE_0;
> -	spi->bits_per_word = 8;
> -	err = spi_setup(spi);
> -	if (err) {
> -		dev_err(&spi->dev, "spi_setup failed, err=%d \n", err);
> -		goto err_drvdata;
> -	}
> -
> -	err = ks8995_read(ks, ids, KS8995_REG_ID0, sizeof(ids));
> -	if (err < 0) {
> -		dev_err(&spi->dev, "unable to read id registers, err=%d \n",
> -				err);
> -		goto err_drvdata;
> -	}
> -
> -	switch (ids[0]) {
> -	case FAMILY_KS8995:
> -		break;
> -	default:
> -		dev_err(&spi->dev, "unknown family id:%02x\n", ids[0]);
> -		err = -ENODEV;
> -		goto err_drvdata;
> -	}
> -
> -	err = ks8995_reset(ks);
> -	if (err)
> -		goto err_drvdata;
> -
> -	err = sysfs_create_bin_file(&spi->dev.kobj, &ks8995_registers_attr);
> -	if (err) {
> -		dev_err(&spi->dev, "unable to create sysfs file, err=%d\n",
> -					err);
> -		goto err_drvdata;
> -	}
> -
> -	dev_info(&spi->dev, "KS89%02X device found, Chip ID:%01x, "
> -			"Revision:%01x\n", ids[0],
> -			get_chip_id(ids[1]), get_chip_rev(ids[1]));
> -
> -	return 0;
> -
> -err_drvdata:
> -	dev_set_drvdata(&spi->dev, NULL);
> -	kfree(ks);
> -	return err;
> -}
> -
> -static int ks8995_remove(struct spi_device *spi)
> -{
> -	struct ks8995_data	*ks8995;
> -
> -	ks8995 = dev_get_drvdata(&spi->dev);
> -	sysfs_remove_bin_file(&spi->dev.kobj, &ks8995_registers_attr);
> -
> -	dev_set_drvdata(&spi->dev, NULL);
> -	kfree(ks8995);
> -
> -	return 0;
> -}
> -
> -/*-------------------------------------------------------------------------*/
> -
> -static struct spi_driver ks8995_driver = {
> -	.driver = {
> -		.name		= "spi-ks8995",
> -		.bus		= &spi_bus_type,
> -		.owner		= THIS_MODULE,
> -	},
> -	.probe		= ks8995_probe,
> -	.remove		= ks8995_remove,
> -};
> -
> -static int __init ks8995_init(void)
> -{
> -	printk(KERN_INFO DRV_DESC " version " DRV_VERSION"\n");
> -
> -	return spi_register_driver(&ks8995_driver);
> -}
> -module_init(ks8995_init);
> -
> -static void __exit ks8995_exit(void)
> -{
> -	spi_unregister_driver(&ks8995_driver);
> -}
> -module_exit(ks8995_exit);
> -
> -MODULE_DESCRIPTION(DRV_DESC);
> -MODULE_VERSION(DRV_VERSION);
> -MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
> -MODULE_LICENSE("GPL v2");
> -
> 
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