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author | Lukas Bulwahn <lukas.bulwahn@gmail.com> | 2021-08-30 23:22:20 +0200 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2021-08-31 00:55:19 +0200 |
commit | 927c1e56cc5e0e22da975c72433da2458b3f4fd5 (patch) | |
tree | 88895f3bb975f15ffbf6b338d0b30e1dc5ffe038 /drivers/input/misc | |
parent | Input: adp5589-keys - use the right header (diff) | |
download | linux-927c1e56cc5e0e22da975c72433da2458b3f4fd5.tar.xz linux-927c1e56cc5e0e22da975c72433da2458b3f4fd5.zip |
Input: remove dead CSR Prima2 PWRC driver
Commit f3a732843acc ("ARM: remove sirf prima2/atlas platforms") removes
the config ARCH_SIRF in ./arch/arm/mach-prima2/Kconfig.
Hence, since then, the corresponding CSR Prima2 PWRC Driver is dead code.
Remove this dead driver.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210817072842.8640-1-lukas.bulwahn@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/misc')
-rw-r--r-- | drivers/input/misc/Kconfig | 10 | ||||
-rw-r--r-- | drivers/input/misc/Makefile | 1 | ||||
-rw-r--r-- | drivers/input/misc/sirfsoc-onkey.c | 207 |
3 files changed, 0 insertions, 218 deletions
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index ae01507b7afd..dd5227cf8696 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -799,16 +799,6 @@ config INPUT_XEN_KBDDEV_FRONTEND To compile this driver as a module, choose M here: the module will be called xen-kbdfront. -config INPUT_SIRFSOC_ONKEY - tristate "CSR SiRFSoC power on/off/suspend key support" - depends on ARCH_SIRF && OF - default y - help - Say Y here if you want to support for the SiRFSoC power on/off/suspend key - in Linux, after you press the onkey, system will suspend. - - If unsure, say N. - config INPUT_IDEAPAD_SLIDEBAR tristate "IdeaPad Laptop Slidebar" depends on INPUT diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 2a0943507467..b92c53a6b5ae 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -73,7 +73,6 @@ obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER) += rotary_encoder.o obj-$(CONFIG_INPUT_RK805_PWRKEY) += rk805-pwrkey.o obj-$(CONFIG_INPUT_SC27XX_VIBRA) += sc27xx-vibra.o obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o -obj-$(CONFIG_INPUT_SIRFSOC_ONKEY) += sirfsoc-onkey.o obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY) += soc_button_array.o obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o obj-$(CONFIG_INPUT_STPMIC1_ONKEY) += stpmic1_onkey.o diff --git a/drivers/input/misc/sirfsoc-onkey.c b/drivers/input/misc/sirfsoc-onkey.c deleted file mode 100644 index 7982bf8fb839..000000000000 --- a/drivers/input/misc/sirfsoc-onkey.c +++ /dev/null @@ -1,207 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Power key driver for SiRF PrimaII - * - * Copyright (c) 2013 - 2014 Cambridge Silicon Radio Limited, a CSR plc group - * company. - */ - -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/input.h> -#include <linux/rtc/sirfsoc_rtciobrg.h> -#include <linux/of.h> -#include <linux/workqueue.h> - -struct sirfsoc_pwrc_drvdata { - u32 pwrc_base; - struct input_dev *input; - struct delayed_work work; -}; - -#define PWRC_ON_KEY_BIT (1 << 0) - -#define PWRC_INT_STATUS 0xc -#define PWRC_INT_MASK 0x10 -#define PWRC_PIN_STATUS 0x14 -#define PWRC_KEY_DETECT_UP_TIME 20 /* ms*/ - -static int sirfsoc_pwrc_is_on_key_down(struct sirfsoc_pwrc_drvdata *pwrcdrv) -{ - u32 state = sirfsoc_rtc_iobrg_readl(pwrcdrv->pwrc_base + - PWRC_PIN_STATUS); - return !(state & PWRC_ON_KEY_BIT); /* ON_KEY is active low */ -} - -static void sirfsoc_pwrc_report_event(struct work_struct *work) -{ - struct sirfsoc_pwrc_drvdata *pwrcdrv = - container_of(work, struct sirfsoc_pwrc_drvdata, work.work); - - if (sirfsoc_pwrc_is_on_key_down(pwrcdrv)) { - schedule_delayed_work(&pwrcdrv->work, - msecs_to_jiffies(PWRC_KEY_DETECT_UP_TIME)); - } else { - input_event(pwrcdrv->input, EV_KEY, KEY_POWER, 0); - input_sync(pwrcdrv->input); - } -} - -static irqreturn_t sirfsoc_pwrc_isr(int irq, void *dev_id) -{ - struct sirfsoc_pwrc_drvdata *pwrcdrv = dev_id; - u32 int_status; - - int_status = sirfsoc_rtc_iobrg_readl(pwrcdrv->pwrc_base + - PWRC_INT_STATUS); - sirfsoc_rtc_iobrg_writel(int_status & ~PWRC_ON_KEY_BIT, - pwrcdrv->pwrc_base + PWRC_INT_STATUS); - - input_event(pwrcdrv->input, EV_KEY, KEY_POWER, 1); - input_sync(pwrcdrv->input); - schedule_delayed_work(&pwrcdrv->work, - msecs_to_jiffies(PWRC_KEY_DETECT_UP_TIME)); - - return IRQ_HANDLED; -} - -static void sirfsoc_pwrc_toggle_interrupts(struct sirfsoc_pwrc_drvdata *pwrcdrv, - bool enable) -{ - u32 int_mask; - - int_mask = sirfsoc_rtc_iobrg_readl(pwrcdrv->pwrc_base + PWRC_INT_MASK); - if (enable) - int_mask |= PWRC_ON_KEY_BIT; - else - int_mask &= ~PWRC_ON_KEY_BIT; - sirfsoc_rtc_iobrg_writel(int_mask, pwrcdrv->pwrc_base + PWRC_INT_MASK); -} - -static int sirfsoc_pwrc_open(struct input_dev *input) -{ - struct sirfsoc_pwrc_drvdata *pwrcdrv = input_get_drvdata(input); - - sirfsoc_pwrc_toggle_interrupts(pwrcdrv, true); - - return 0; -} - -static void sirfsoc_pwrc_close(struct input_dev *input) -{ - struct sirfsoc_pwrc_drvdata *pwrcdrv = input_get_drvdata(input); - - sirfsoc_pwrc_toggle_interrupts(pwrcdrv, false); - cancel_delayed_work_sync(&pwrcdrv->work); -} - -static const struct of_device_id sirfsoc_pwrc_of_match[] = { - { .compatible = "sirf,prima2-pwrc" }, - {}, -}; -MODULE_DEVICE_TABLE(of, sirfsoc_pwrc_of_match); - -static int sirfsoc_pwrc_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - struct sirfsoc_pwrc_drvdata *pwrcdrv; - int irq; - int error; - - pwrcdrv = devm_kzalloc(&pdev->dev, sizeof(struct sirfsoc_pwrc_drvdata), - GFP_KERNEL); - if (!pwrcdrv) { - dev_info(&pdev->dev, "Not enough memory for the device data\n"); - return -ENOMEM; - } - - /* - * We can't use of_iomap because pwrc is not mapped in memory, - * the so-called base address is only offset in rtciobrg - */ - error = of_property_read_u32(np, "reg", &pwrcdrv->pwrc_base); - if (error) { - dev_err(&pdev->dev, - "unable to find base address of pwrc node in dtb\n"); - return error; - } - - pwrcdrv->input = devm_input_allocate_device(&pdev->dev); - if (!pwrcdrv->input) - return -ENOMEM; - - pwrcdrv->input->name = "sirfsoc pwrckey"; - pwrcdrv->input->phys = "pwrc/input0"; - pwrcdrv->input->evbit[0] = BIT_MASK(EV_KEY); - input_set_capability(pwrcdrv->input, EV_KEY, KEY_POWER); - - INIT_DELAYED_WORK(&pwrcdrv->work, sirfsoc_pwrc_report_event); - - pwrcdrv->input->open = sirfsoc_pwrc_open; - pwrcdrv->input->close = sirfsoc_pwrc_close; - - input_set_drvdata(pwrcdrv->input, pwrcdrv); - - /* Make sure the device is quiesced */ - sirfsoc_pwrc_toggle_interrupts(pwrcdrv, false); - - irq = platform_get_irq(pdev, 0); - error = devm_request_irq(&pdev->dev, irq, - sirfsoc_pwrc_isr, 0, - "sirfsoc_pwrc_int", pwrcdrv); - if (error) { - dev_err(&pdev->dev, "unable to claim irq %d, error: %d\n", - irq, error); - return error; - } - - error = input_register_device(pwrcdrv->input); - if (error) { - dev_err(&pdev->dev, - "unable to register input device, error: %d\n", - error); - return error; - } - - dev_set_drvdata(&pdev->dev, pwrcdrv); - device_init_wakeup(&pdev->dev, 1); - - return 0; -} - -static int __maybe_unused sirfsoc_pwrc_resume(struct device *dev) -{ - struct sirfsoc_pwrc_drvdata *pwrcdrv = dev_get_drvdata(dev); - struct input_dev *input = pwrcdrv->input; - - /* - * Do not mask pwrc interrupt as we want pwrc work as a wakeup source - * if users touch X_ONKEY_B, see arch/arm/mach-prima2/pm.c - */ - mutex_lock(&input->mutex); - if (input_device_enabled(input)) - sirfsoc_pwrc_toggle_interrupts(pwrcdrv, true); - mutex_unlock(&input->mutex); - - return 0; -} - -static SIMPLE_DEV_PM_OPS(sirfsoc_pwrc_pm_ops, NULL, sirfsoc_pwrc_resume); - -static struct platform_driver sirfsoc_pwrc_driver = { - .probe = sirfsoc_pwrc_probe, - .driver = { - .name = "sirfsoc-pwrc", - .pm = &sirfsoc_pwrc_pm_ops, - .of_match_table = sirfsoc_pwrc_of_match, - } -}; - -module_platform_driver(sirfsoc_pwrc_driver); - -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Binghua Duan <Binghua.Duan@csr.com>, Xianglong Du <Xianglong.Du@csr.com>"); -MODULE_DESCRIPTION("CSR Prima2 PWRC Driver"); -MODULE_ALIAS("platform:sirfsoc-pwrc"); |