From: Arnd Bergmann arnd@arndb.de
It has been impossible to select this driver for six years without anyone noticing, so just kill it completely.
Fixes: 54ea18e8866a ("ARM: OMAP2+: Remove board file for H4") Signed-off-by: Arnd Bergmann arnd@arndb.de --- arch/arm/plat-omap/Kconfig | 10 -- arch/arm/plat-omap/Makefile | 4 - arch/arm/plat-omap/debug-leds.c | 171 -------------------------------- 3 files changed, 185 deletions(-) delete mode 100644 arch/arm/plat-omap/debug-leds.c
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index dfa19d5030e3..dc53ea8e5bbb 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -11,16 +11,6 @@ config ARCH_OMAP_OTG
comment "OMAP Feature Selections"
-config OMAP_DEBUG_DEVICES - bool - help - For debug cards on TI reference boards. - -config OMAP_DEBUG_LEDS - def_bool y if NEW_LEDS - depends on OMAP_DEBUG_DEVICES - select LEDS_CLASS - config POWER_AVS_OMAP bool "AVS(Adaptive Voltage Scaling) support for OMAP IP versions 1&2" depends on (ARCH_OMAP3 || ARCH_OMAP4) && PM diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile index 98a7b607873a..68ccec9de106 100644 --- a/arch/arm/plat-omap/Makefile +++ b/arch/arm/plat-omap/Makefile @@ -7,7 +7,3 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-omap/include
# Common support obj-y := sram.o dma.o - -# omap_device support (OMAP2+ only at the moment) - -obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o diff --git a/arch/arm/plat-omap/debug-leds.c b/arch/arm/plat-omap/debug-leds.c deleted file mode 100644 index 2b698d074874..000000000000 --- a/arch/arm/plat-omap/debug-leds.c +++ /dev/null @@ -1,171 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/arch/arm/plat-omap/debug-leds.c - * - * Copyright 2011 by Bryan Wu bryan.wu@canonical.com - * Copyright 2003 by Texas Instruments Incorporated - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/leds.h> -#include <linux/io.h> -#include <linux/platform_data/gpio-omap.h> -#include <linux/slab.h> - -#include <asm/mach-types.h> - -/* Many OMAP development platforms reuse the same "debug board"; these - * platforms include H2, H3, H4, and Perseus2. There are 16 LEDs on the - * debug board (all green), accessed through FPGA registers. - */ - -/* NOTE: most boards don't have a static mapping for the FPGA ... */ -struct h2p2_dbg_fpga { - /* offset 0x00 */ - u16 smc91x[8]; - /* offset 0x10 */ - u16 fpga_rev; - u16 board_rev; - u16 gpio_outputs; - u16 leds; - /* offset 0x18 */ - u16 misc_inputs; - u16 lan_status; - u16 lan_reset; - u16 reserved0; - /* offset 0x20 */ - u16 ps2_data; - u16 ps2_ctrl; - /* plus also 4 rs232 ports ... */ -}; - -static struct h2p2_dbg_fpga __iomem *fpga; - -static u16 fpga_led_state; - -struct dbg_led { - struct led_classdev cdev; - u16 mask; -}; - -static const struct { - const char *name; - const char *trigger; -} dbg_leds[] = { - { "dbg:d4", "heartbeat", }, - { "dbg:d5", "cpu0", }, - { "dbg:d6", "default-on", }, - { "dbg:d7", }, - { "dbg:d8", }, - { "dbg:d9", }, - { "dbg:d10", }, - { "dbg:d11", }, - { "dbg:d12", }, - { "dbg:d13", }, - { "dbg:d14", }, - { "dbg:d15", }, - { "dbg:d16", }, - { "dbg:d17", }, - { "dbg:d18", }, - { "dbg:d19", }, -}; - -/* - * The triggers lines up below will only be used if the - * LED triggers are compiled in. - */ -static void dbg_led_set(struct led_classdev *cdev, - enum led_brightness b) -{ - struct dbg_led *led = container_of(cdev, struct dbg_led, cdev); - u16 reg; - - reg = readw_relaxed(&fpga->leds); - if (b != LED_OFF) - reg |= led->mask; - else - reg &= ~led->mask; - writew_relaxed(reg, &fpga->leds); -} - -static enum led_brightness dbg_led_get(struct led_classdev *cdev) -{ - struct dbg_led *led = container_of(cdev, struct dbg_led, cdev); - u16 reg; - - reg = readw_relaxed(&fpga->leds); - return (reg & led->mask) ? LED_FULL : LED_OFF; -} - -static int fpga_probe(struct platform_device *pdev) -{ - struct resource *iomem; - int i; - - iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!iomem) - return -ENODEV; - - fpga = ioremap(iomem->start, resource_size(iomem)); - writew_relaxed(0xff, &fpga->leds); - - for (i = 0; i < ARRAY_SIZE(dbg_leds); i++) { - struct dbg_led *led; - - led = kzalloc(sizeof(*led), GFP_KERNEL); - if (!led) - break; - - led->cdev.name = dbg_leds[i].name; - led->cdev.brightness_set = dbg_led_set; - led->cdev.brightness_get = dbg_led_get; - led->cdev.default_trigger = dbg_leds[i].trigger; - led->mask = BIT(i); - - if (led_classdev_register(NULL, &led->cdev) < 0) { - kfree(led); - break; - } - } - - return 0; -} - -static int fpga_suspend_noirq(struct device *dev) -{ - fpga_led_state = readw_relaxed(&fpga->leds); - writew_relaxed(0xff, &fpga->leds); - - return 0; -} - -static int fpga_resume_noirq(struct device *dev) -{ - writew_relaxed(~fpga_led_state, &fpga->leds); - return 0; -} - -static const struct dev_pm_ops fpga_dev_pm_ops = { - .suspend_noirq = fpga_suspend_noirq, - .resume_noirq = fpga_resume_noirq, -}; - -static struct platform_driver led_driver = { - .driver.name = "omap_dbg_led", - .driver.pm = &fpga_dev_pm_ops, - .probe = fpga_probe, -}; - -static int __init fpga_init(void) -{ - if (machine_is_omap_h4() - || machine_is_omap_h3() - || machine_is_omap_h2() - || machine_is_omap_perseus2() - ) - return platform_driver_register(&led_driver); - return 0; -} -fs_initcall(fpga_init);