summaryrefslogtreecommitdiff
path: root/target/linux/brcm47xx/patches-3.6/015-MIPS-BCM47XX-remove-GPIO-driver.patch
diff options
context:
space:
mode:
authorhauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-01-10 14:05:18 +0000
committerhauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-01-10 14:05:18 +0000
commite676003d8704a75d5ee3b58ccf820e827f836de9 (patch)
treef3d6e1fbe661581152ae5ee189db20ea7f00ac5d /target/linux/brcm47xx/patches-3.6/015-MIPS-BCM47XX-remove-GPIO-driver.patch
parent75662734f2aa2805f480b25bdf8c601e444d7633 (diff)
kernel: update bcma and ssb to master-2013-01-09 from wireless-testing
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35080 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/015-MIPS-BCM47XX-remove-GPIO-driver.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.6/015-MIPS-BCM47XX-remove-GPIO-driver.patch360
1 files changed, 360 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/015-MIPS-BCM47XX-remove-GPIO-driver.patch b/target/linux/brcm47xx/patches-3.6/015-MIPS-BCM47XX-remove-GPIO-driver.patch
new file mode 100644
index 0000000000..b39bdc4412
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/015-MIPS-BCM47XX-remove-GPIO-driver.patch
@@ -0,0 +1,360 @@
+commit 2da4c74dc3711275e82856e62884c99f7a45f541
+Author: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Tue Nov 20 22:24:34 2012 +0000
+
+ MIPS: BCM47XX: remove GPIO driver
+
+ Instated of providing an own GPIO driver use the one provided by ssb and
+ bcma.
+
+ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ Patchwork: http://patchwork.linux-mips.org/patch/4592
+ Acked-by: Florian Fainelli <florian@openwrt.org>
+
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -101,6 +101,7 @@ config ATH79
+
+ config BCM47XX
+ bool "Broadcom BCM47XX based boards"
++ select ARCH_WANT_OPTIONAL_GPIOLIB
+ select CEVT_R4K
+ select CSRC_R4K
+ select DMA_NONCOHERENT
+@@ -108,7 +109,6 @@ config BCM47XX
+ select IRQ_CPU
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+- select GENERIC_GPIO
+ select SYS_HAS_EARLY_PRINTK
+ select CFE
+ help
+--- a/arch/mips/bcm47xx/Kconfig
++++ b/arch/mips/bcm47xx/Kconfig
+@@ -9,6 +9,7 @@ config BCM47XX_SSB
+ select SSB_EMBEDDED
+ select SSB_B43_PCI_BRIDGE if PCI
+ select SSB_PCICORE_HOSTMODE if PCI
++ select SSB_DRIVER_GPIO
+ default y
+ help
+ Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
+@@ -23,6 +24,7 @@ config BCM47XX_BCMA
+ select BCMA_DRIVER_MIPS
+ select BCMA_HOST_PCI if PCI
+ select BCMA_DRIVER_PCI_HOSTMODE if PCI
++ select BCMA_DRIVER_GPIO
+ default y
+ help
+ Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
+--- a/arch/mips/bcm47xx/Makefile
++++ b/arch/mips/bcm47xx/Makefile
+@@ -3,5 +3,5 @@
+ # under Linux.
+ #
+
+-obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
++obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
+ obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
+--- a/arch/mips/bcm47xx/gpio.c
++++ /dev/null
+@@ -1,102 +0,0 @@
+-/*
+- * 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) 2007 Aurelien Jarno <aurelien@aurel32.net>
+- */
+-
+-#include <linux/export.h>
+-#include <linux/ssb/ssb.h>
+-#include <linux/ssb/ssb_driver_chipcommon.h>
+-#include <linux/ssb/ssb_driver_extif.h>
+-#include <asm/mach-bcm47xx/bcm47xx.h>
+-#include <asm/mach-bcm47xx/gpio.h>
+-
+-#if (BCM47XX_CHIPCO_GPIO_LINES > BCM47XX_EXTIF_GPIO_LINES)
+-static DECLARE_BITMAP(gpio_in_use, BCM47XX_CHIPCO_GPIO_LINES);
+-#else
+-static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES);
+-#endif
+-
+-int gpio_request(unsigned gpio, const char *tag)
+-{
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&
+- ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
+- return -EINVAL;
+-
+- if (ssb_extif_available(&bcm47xx_bus.ssb.extif) &&
+- ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
+- return -EINVAL;
+-
+- if (test_and_set_bit(gpio, gpio_in_use))
+- return -EBUSY;
+-
+- return 0;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- if (gpio >= BCM47XX_CHIPCO_GPIO_LINES)
+- return -EINVAL;
+-
+- if (test_and_set_bit(gpio, gpio_in_use))
+- return -EBUSY;
+-
+- return 0;
+-#endif
+- }
+- return -EINVAL;
+-}
+-EXPORT_SYMBOL(gpio_request);
+-
+-void gpio_free(unsigned gpio)
+-{
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&
+- ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
+- return;
+-
+- if (ssb_extif_available(&bcm47xx_bus.ssb.extif) &&
+- ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
+- return;
+-
+- clear_bit(gpio, gpio_in_use);
+- return;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- if (gpio >= BCM47XX_CHIPCO_GPIO_LINES)
+- return;
+-
+- clear_bit(gpio, gpio_in_use);
+- return;
+-#endif
+- }
+-}
+-EXPORT_SYMBOL(gpio_free);
+-
+-int gpio_to_irq(unsigned gpio)
+-{
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco))
+- return ssb_mips_irq(bcm47xx_bus.ssb.chipco.dev) + 2;
+- else if (ssb_extif_available(&bcm47xx_bus.ssb.extif))
+- return ssb_mips_irq(bcm47xx_bus.ssb.extif.dev) + 2;
+- else
+- return -EINVAL;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- return bcma_core_mips_irq(bcm47xx_bus.bcma.bus.drv_cc.core) + 2;
+-#endif
+- }
+- return -EINVAL;
+-}
+-EXPORT_SYMBOL_GPL(gpio_to_irq);
+--- a/arch/mips/bcm47xx/wgt634u.c
++++ b/arch/mips/bcm47xx/wgt634u.c
+@@ -11,6 +11,7 @@
+ #include <linux/leds.h>
+ #include <linux/mtd/physmap.h>
+ #include <linux/ssb/ssb.h>
++#include <linux/ssb/ssb_embedded.h>
+ #include <linux/interrupt.h>
+ #include <linux/reboot.h>
+ #include <linux/gpio.h>
+@@ -116,7 +117,8 @@ static irqreturn_t gpio_interrupt(int ir
+
+ /* Interrupt are level triggered, revert the interrupt polarity
+ to clear the interrupt. */
+- gpio_polarity(WGT634U_GPIO_RESET, state);
++ ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << WGT634U_GPIO_RESET,
++ state ? 1 << WGT634U_GPIO_RESET : 0);
+
+ if (!state) {
+ printk(KERN_INFO "Reset button pressed");
+@@ -150,7 +152,9 @@ static int __init wgt634u_init(void)
+ gpio_interrupt, IRQF_SHARED,
+ "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
+ gpio_direction_input(WGT634U_GPIO_RESET);
+- gpio_intmask(WGT634U_GPIO_RESET, 1);
++ ssb_gpio_intmask(&bcm47xx_bus.ssb,
++ 1 << WGT634U_GPIO_RESET,
++ 1 << WGT634U_GPIO_RESET);
+ ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco,
+ SSB_CHIPCO_IRQ_GPIO,
+ SSB_CHIPCO_IRQ_GPIO);
+--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
++++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
+@@ -1,155 +1,17 @@
+-/*
+- * 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) 2007 Aurelien Jarno <aurelien@aurel32.net>
+- */
++#ifndef __ASM_MIPS_MACH_BCM47XX_GPIO_H
++#define __ASM_MIPS_MACH_BCM47XX_GPIO_H
+
+-#ifndef __BCM47XX_GPIO_H
+-#define __BCM47XX_GPIO_H
++#include <asm-generic/gpio.h>
+
+-#include <linux/ssb/ssb_embedded.h>
+-#include <linux/bcma/bcma.h>
+-#include <asm/mach-bcm47xx/bcm47xx.h>
++#define gpio_get_value __gpio_get_value
++#define gpio_set_value __gpio_set_value
+
+-#define BCM47XX_EXTIF_GPIO_LINES 5
+-#define BCM47XX_CHIPCO_GPIO_LINES 16
++#define gpio_cansleep __gpio_cansleep
++#define gpio_to_irq __gpio_to_irq
+
+-extern int gpio_request(unsigned gpio, const char *label);
+-extern void gpio_free(unsigned gpio);
+-extern int gpio_to_irq(unsigned gpio);
+-
+-static inline int gpio_get_value(unsigned gpio)
++static inline int irq_to_gpio(unsigned int irq)
+ {
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- return ssb_gpio_in(&bcm47xx_bus.ssb, 1 << gpio);
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc,
+- 1 << gpio);
+-#endif
+- }
+ return -EINVAL;
+ }
+
+-#define gpio_get_value_cansleep gpio_get_value
+-
+-static inline void gpio_set_value(unsigned gpio, int value)
+-{
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio,
+- value ? 1 << gpio : 0);
+- return;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
+- value ? 1 << gpio : 0);
+- return;
+ #endif
+- }
+-}
+-
+-#define gpio_set_value_cansleep gpio_set_value
+-
+-static inline int gpio_cansleep(unsigned gpio)
+-{
+- return 0;
+-}
+-
+-static inline int gpio_is_valid(unsigned gpio)
+-{
+- return gpio < (BCM47XX_EXTIF_GPIO_LINES + BCM47XX_CHIPCO_GPIO_LINES);
+-}
+-
+-
+-static inline int gpio_direction_input(unsigned gpio)
+-{
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 0);
+- return 0;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
+- 0);
+- return 0;
+-#endif
+- }
+- return -EINVAL;
+-}
+-
+-static inline int gpio_direction_output(unsigned gpio, int value)
+-{
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- /* first set the gpio out value */
+- ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio,
+- value ? 1 << gpio : 0);
+- /* then set the gpio mode */
+- ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 1 << gpio);
+- return 0;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- /* first set the gpio out value */
+- bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
+- value ? 1 << gpio : 0);
+- /* then set the gpio mode */
+- bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
+- 1 << gpio);
+- return 0;
+-#endif
+- }
+- return -EINVAL;
+-}
+-
+-static inline int gpio_intmask(unsigned gpio, int value)
+-{
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- ssb_gpio_intmask(&bcm47xx_bus.ssb, 1 << gpio,
+- value ? 1 << gpio : 0);
+- return 0;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc,
+- 1 << gpio, value ? 1 << gpio : 0);
+- return 0;
+-#endif
+- }
+- return -EINVAL;
+-}
+-
+-static inline int gpio_polarity(unsigned gpio, int value)
+-{
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << gpio,
+- value ? 1 << gpio : 0);
+- return 0;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc,
+- 1 << gpio, value ? 1 << gpio : 0);
+- return 0;
+-#endif
+- }
+- return -EINVAL;
+-}
+-
+-
+-#endif /* __BCM47XX_GPIO_H */