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@gmail.com> SVN-Revision: 45269master
parent
0e78550030
commit
0b44b593a7
@ -1,54 +0,0 @@ |
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#
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# Copyright (C) 2008 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk |
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include $(INCLUDE_DIR)/kernel.mk |
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PKG_NAME:=spi-ks8995
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PKG_RELEASE:=1
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include $(INCLUDE_DIR)/package.mk |
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define KernelPackage/spi-ks8995 |
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SUBMENU:=SPI Support
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TITLE:=Micrel/Kendin KS8995 Ethernet switch control
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FILES:=$(PKG_BUILD_DIR)/spi_ks8995.ko
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KCONFIG:=CONFIG_SPI=y \
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CONFIG_SPI_MASTER=y
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AUTOLOAD:=$(call AutoLoad,50,spi_ks8995)
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endef |
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define KernelPackage/spi-ks8995/description |
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Kernel module for Micrel/Kendin KS8995 ethernet switch
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endef |
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EXTRA_KCONFIG:= \
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CONFIG_SPI_KS8995=m
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EXTRA_CFLAGS:= \
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$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
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$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \
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MAKE_OPTS:= \
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ARCH="$(LINUX_KARCH)" \
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CROSS_COMPILE="$(TARGET_CROSS)" \
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SUBDIRS="$(PKG_BUILD_DIR)" \
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EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
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$(EXTRA_KCONFIG)
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define Build/Prepare |
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mkdir -p $(PKG_BUILD_DIR)
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$(CP) ./src/* $(PKG_BUILD_DIR)/
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endef |
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define Build/Compile |
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$(MAKE) -C "$(LINUX_DIR)" \
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$(MAKE_OPTS) \
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modules
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endef |
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$(eval $(call KernelPackage,spi-ks8995)) |
@ -1,3 +0,0 @@ |
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config SPI_KS8995 |
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tristate "Micrel/Kendin KS8995 Ethernet switch" |
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depends on SPI |
@ -1 +0,0 @@ |
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obj-${CONFIG_SPI_KS8995} += spi_ks8995.o
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@ -1,419 +0,0 @@ |
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/*
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* SPI driver for Micrel/Kendin KS8995M ethernet switch |
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* |
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* Copyright (C) 2008 Gabor Juhos <juhosg at openwrt.org> |
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* |
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* This file was based on: drivers/spi/at25.c |
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* Copyright (C) 2006 David Brownell |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 as published |
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* by the Free Software Foundation. |
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*/ |
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#include <linux/types.h> |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/module.h> |
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#include <linux/delay.h> |
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#include <linux/device.h> |
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#include <linux/spi/spi.h> |
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#define DRV_VERSION "0.1.1" |
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#define DRV_DESC "Micrel/Kendin KS8995 Ethernet switch SPI driver" |
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/*-------------------------------------------------------------------------*/ |
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#define KS8995_REG_ID0 0x00 /* Chip ID0 */ |
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#define KS8995_REG_ID1 0x01 /* Chip ID1 */ |
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#define KS8995_REG_GC0 0x02 /* Global Control 0 */ |
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#define KS8995_REG_GC1 0x03 /* Global Control 1 */ |
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#define KS8995_REG_GC2 0x04 /* Global Control 2 */ |
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#define KS8995_REG_GC3 0x05 /* Global Control 3 */ |
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#define KS8995_REG_GC4 0x06 /* Global Control 4 */ |
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#define KS8995_REG_GC5 0x07 /* Global Control 5 */ |
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#define KS8995_REG_GC6 0x08 /* Global Control 6 */ |
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#define KS8995_REG_GC7 0x09 /* Global Control 7 */ |
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#define KS8995_REG_GC8 0x0a /* Global Control 8 */ |
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#define KS8995_REG_GC9 0x0b /* Global Control 9 */ |
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#define KS8995_REG_PC(p,r) ((0x10 * p) + r) /* Port Control */ |
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#define KS8995_REG_PS(p,r) ((0x10 * p) + r + 0xe) /* Port Status */ |
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#define KS8995_REG_TPC0 0x60 /* TOS Priority Control 0 */ |
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#define KS8995_REG_TPC1 0x61 /* TOS Priority Control 1 */ |
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#define KS8995_REG_TPC2 0x62 /* TOS Priority Control 2 */ |
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#define KS8995_REG_TPC3 0x63 /* TOS Priority Control 3 */ |
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#define KS8995_REG_TPC4 0x64 /* TOS Priority Control 4 */ |
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#define KS8995_REG_TPC5 0x65 /* TOS Priority Control 5 */ |
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#define KS8995_REG_TPC6 0x66 /* TOS Priority Control 6 */ |
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#define KS8995_REG_TPC7 0x67 /* TOS Priority Control 7 */ |
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#define KS8995_REG_MAC0 0x68 /* MAC address 0 */ |
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#define KS8995_REG_MAC1 0x69 /* MAC address 1 */ |
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#define KS8995_REG_MAC2 0x6a /* MAC address 2 */ |
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#define KS8995_REG_MAC3 0x6b /* MAC address 3 */ |
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#define KS8995_REG_MAC4 0x6c /* MAC address 4 */ |
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#define KS8995_REG_MAC5 0x6d /* MAC address 5 */ |
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#define KS8995_REG_IAC0 0x6e /* Indirect Access Control 0 */ |
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#define KS8995_REG_IAC1 0x6f /* Indirect Access Control 0 */ |
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#define KS8995_REG_IAD7 0x70 /* Indirect Access Data 7 */ |
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#define KS8995_REG_IAD6 0x71 /* Indirect Access Data 6 */ |
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#define KS8995_REG_IAD5 0x72 /* Indirect Access Data 5 */ |
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#define KS8995_REG_IAD4 0x73 /* Indirect Access Data 4 */ |
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#define KS8995_REG_IAD3 0x74 /* Indirect Access Data 3 */ |
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#define KS8995_REG_IAD2 0x75 /* Indirect Access Data 2 */ |
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#define KS8995_REG_IAD1 0x76 /* Indirect Access Data 1 */ |
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#define KS8995_REG_IAD0 0x77 /* Indirect Access Data 0 */ |
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#define KS8995_REGS_SIZE 0x80 |
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#define ID1_CHIPID_M 0xf |
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#define ID1_CHIPID_S 4 |
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#define ID1_REVISION_M 0x7 |
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#define ID1_REVISION_S 1 |
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#define ID1_START_SW 1 /* start the switch */ |
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#define FAMILY_KS8995 0x95 |
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#define CHIPID_M 0 |
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#define KS8995_CMD_WRITE 0x02U |
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#define KS8995_CMD_READ 0x03U |
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#define KS8995_RESET_DELAY 10 /* usec */ |
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/*-------------------------------------------------------------------------*/ |
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struct ks8995_pdata { |
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/* not yet implemented */ |
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}; |
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struct ks8995_switch { |
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struct spi_device *spi; |
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struct mutex lock; |
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struct ks8995_pdata *pdata; |
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}; |
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/*-------------------------------------------------------------------------*/ |
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static inline u8 get_chip_id(u8 val) |
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{ |
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return ((val >> ID1_CHIPID_S) & ID1_CHIPID_M); |
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} |
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static inline u8 get_chip_rev(u8 val) |
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{ |
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return ((val >> ID1_REVISION_S) & ID1_REVISION_M); |
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} |
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/*-------------------------------------------------------------------------*/ |
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static int ks8995_read(struct ks8995_switch *ks, char *buf, |
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unsigned offset, size_t count) |
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{ |
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u8 cmd[2]; |
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struct spi_transfer t[2]; |
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struct spi_message m; |
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int err; |
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spi_message_init(&m); |
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memset(&t, 0, sizeof(t)); |
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t[0].tx_buf = cmd; |
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t[0].len = sizeof(cmd); |
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spi_message_add_tail(&t[0], &m); |
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t[1].rx_buf = buf; |
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t[1].len = count; |
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spi_message_add_tail(&t[1], &m); |
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cmd[0] = KS8995_CMD_READ; |
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cmd[1] = offset; |
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mutex_lock(&ks->lock); |
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err = spi_sync(ks->spi, &m); |
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mutex_unlock(&ks->lock); |
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return err ? err : count; |
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} |
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static int ks8995_write(struct ks8995_switch *ks, char *buf, |
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unsigned offset, size_t count) |
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{ |
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u8 cmd[2]; |
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struct spi_transfer t[2]; |
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struct spi_message m; |
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int err; |
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spi_message_init(&m); |
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memset(&t, 0, sizeof(t)); |
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t[0].tx_buf = cmd; |
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t[0].len = sizeof(cmd); |
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spi_message_add_tail(&t[0], &m); |
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t[1].tx_buf = buf; |
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t[1].len = count; |
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spi_message_add_tail(&t[1], &m); |
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cmd[0] = KS8995_CMD_WRITE; |
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cmd[1] = offset; |
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mutex_lock(&ks->lock); |
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err = spi_sync(ks->spi, &m); |
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mutex_unlock(&ks->lock); |
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return err ? err : count; |
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} |
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static inline int ks8995_read_reg(struct ks8995_switch *ks, u8 addr, u8 *buf) |
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{ |
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return (ks8995_read(ks, buf, addr, 1) != 1); |
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} |
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static inline int ks8995_write_reg(struct ks8995_switch *ks, u8 addr, u8 val) |
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{ |
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char buf = val; |
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return (ks8995_write(ks, &buf, addr, 1) != 1); |
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} |
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/*-------------------------------------------------------------------------*/ |
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#if 0 |
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static int ks8995_setup(struct spi_device *spi) |
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{ |
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struct ks8995_switch *ks; |
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u8 t; |
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ks = dev_get_drvdata(&spi->dev); |
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ks8995_write_reg(ks, KS8995_REG_GC0, 0x4c); |
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ks8995_write_reg(ks, KS8995_REG_GC1, 0x05); |
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ks8995_read_reg(ks, KS8995_REG_GC2, &t); |
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ks8995_write_reg(ks, KS8995_REG_GC2, t | 1); |
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ks8995_write_reg(ks, KS8995_REG_GC4, 0x20); |
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ks8995_write_reg(ks, KS8995_REG_PC(1,0), 0x61); |
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ks8995_write_reg(ks, KS8995_REG_PC(2,0), 0x61); |
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ks8995_write_reg(ks, KS8995_REG_PC(3,0), 0x61); |
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ks8995_write_reg(ks, KS8995_REG_PC(4,0), 0x61); |
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ks8995_write_reg(ks, KS8995_REG_PC(5,0), 0x61); |
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ks8995_write_reg(ks, KS8995_REG_PC(5,11), 0x18); |
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ks8995_write_reg(ks, KS8995_REG_TPC0, 0xff); |
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ks8995_write_reg(ks, KS8995_REG_TPC1, 0xff); |
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ks8995_write_reg(ks, KS8995_REG_TPC2, 0xff); |
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ks8995_write_reg(ks, KS8995_REG_TPC3, 0xff); |
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ks8995_write_reg(ks, KS8995_REG_TPC4, 0xff); |
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ks8995_write_reg(ks, KS8995_REG_TPC5, 0xff); |
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ks8995_write_reg(ks, KS8995_REG_TPC6, 0xff); |
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ks8995_write_reg(ks, KS8995_REG_TPC7, 0xfe); |
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return 0; |
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} |
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#endif |
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static int ks8995_stop(struct ks8995_switch *ks) |
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{ |
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return ks8995_write_reg(ks, KS8995_REG_ID1, 0); |
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} |
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static int ks8995_start(struct ks8995_switch *ks) |
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{ |
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return ks8995_write_reg(ks, KS8995_REG_ID1, 1); |
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} |
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static int ks8995_reset(struct ks8995_switch *ks) |
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{ |
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int err; |
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err = ks8995_stop(ks); |
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if (err) |
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return err; |
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udelay(KS8995_RESET_DELAY); |
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return ks8995_start(ks); |
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} |
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/*-------------------------------------------------------------------------*/ |
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static int ks8995_registers_read(struct kobject *kobj, |
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struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) |
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{ |
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struct device *dev; |
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struct ks8995_switch *ks8995; |
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dev = container_of(kobj, struct device, kobj); |
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ks8995 = dev_get_drvdata(dev); |
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if (unlikely(off > KS8995_REGS_SIZE)) |
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return 0; |
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if ((off + count) > KS8995_REGS_SIZE) |
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count = KS8995_REGS_SIZE - off; |
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if (unlikely(!count)) |
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return count; |
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return ks8995_read(ks8995, buf, off, count); |
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} |
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static int ks8995_registers_write(struct kobject *kobj, |
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struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) |
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{ |
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struct device *dev; |
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struct ks8995_switch *ks8995; |
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dev = container_of(kobj, struct device, kobj); |
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ks8995 = dev_get_drvdata(dev); |
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if (unlikely(off >= KS8995_REGS_SIZE)) |
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return -EFBIG; |
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if ((off + count) > KS8995_REGS_SIZE) |
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count = KS8995_REGS_SIZE - off; |
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if (unlikely(!count)) |
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return count; |
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return ks8995_write(ks8995, buf, off, count); |
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} |
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static struct bin_attribute ks8995_registers_attr = { |
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.attr = { |
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.name = "registers", |
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.mode = S_IRUSR | S_IWUSR, |
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}, |
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.size = KS8995_REGS_SIZE, |
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.read = ks8995_registers_read, |
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.write = ks8995_registers_write, |
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}; |
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|
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/*-------------------------------------------------------------------------*/ |
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|
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static int ks8995_probe(struct spi_device *spi) |
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{ |
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struct ks8995_switch *ks; |
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struct ks8995_pdata *pdata; |
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u8 ids[2]; |
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int err; |
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|
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/* Chip description */ |
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pdata = spi->dev.platform_data; |
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ks = kzalloc(sizeof(*ks), GFP_KERNEL); |
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if (!ks) { |
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dev_err(&spi->dev, "no memory for private data\n"); |
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return-ENOMEM; |
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} |
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|
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mutex_init(&ks->lock); |
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ks->pdata = pdata; |
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ks->spi = spi_dev_get(spi); |
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dev_set_drvdata(&spi->dev, ks); |
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|
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spi->mode = SPI_MODE_0; |
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spi->bits_per_word = 8; |
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err = spi_setup(spi); |
||||
if (err) { |
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dev_err(&spi->dev, "spi_setup failed, err=%d \n", err); |
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goto err_drvdata; |
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} |
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|
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err = ks8995_read(ks, ids, KS8995_REG_ID0, sizeof(ids)); |
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if (err < 0) { |
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dev_err(&spi->dev, "unable to read id registers, err=%d \n", |
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err); |
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goto err_drvdata; |
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} |
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|
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switch (ids[0]) { |
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case FAMILY_KS8995: |
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break; |
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default: |
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dev_err(&spi->dev, "unknown family id:%02x\n", ids[0]); |
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err = -ENODEV; |
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goto err_drvdata; |
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} |
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|
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err = ks8995_reset(ks); |
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if (err) |
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goto err_drvdata; |
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|
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err = sysfs_create_bin_file(&spi->dev.kobj, &ks8995_registers_attr); |
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if (err) { |
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dev_err(&spi->dev, "unable to create sysfs file, err=%d\n", |
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err); |
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goto err_drvdata; |
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} |
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|
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dev_info(&spi->dev, "KS89%02X device found, Chip ID:%01x, " |
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"Revision:%01x\n", ids[0], |
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get_chip_id(ids[1]), get_chip_rev(ids[1])); |
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|
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return 0; |
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|
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err_drvdata: |
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dev_set_drvdata(&spi->dev, NULL); |
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kfree(ks); |
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return err; |
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} |
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|
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static int ks8995_remove(struct spi_device *spi) |
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{ |
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struct ks8995_data *ks8995; |
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|
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ks8995 = dev_get_drvdata(&spi->dev); |
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sysfs_remove_bin_file(&spi->dev.kobj, &ks8995_registers_attr); |
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|
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dev_set_drvdata(&spi->dev, NULL); |
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kfree(ks8995); |
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|
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return 0; |
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} |
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|
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/*-------------------------------------------------------------------------*/ |
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|
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static struct spi_driver ks8995_driver = { |
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.driver = { |
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.name = "spi-ks8995", |
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.bus = &spi_bus_type, |
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.owner = THIS_MODULE, |
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}, |
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.probe = ks8995_probe, |
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.remove = ks8995_remove, |
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}; |
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|
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static int __init ks8995_init(void) |
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{ |
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printk(KERN_INFO DRV_DESC " version " DRV_VERSION"\n"); |
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|
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return spi_register_driver(&ks8995_driver); |
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} |
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module_init(ks8995_init); |
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|
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static void __exit ks8995_exit(void) |
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{ |
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spi_unregister_driver(&ks8995_driver); |
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} |
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module_exit(ks8995_exit); |
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|
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MODULE_DESCRIPTION(DRV_DESC); |
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MODULE_VERSION(DRV_VERSION); |
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MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); |
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MODULE_LICENSE("GPL v2"); |
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Reference in new issue