| Message ID | 20221019152947.3857217-8-arnd@kernel.org (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 3c9cb34939fbca1f7fd451b0afa4108e282ee411 |
| Headers | show |
| Series | ARM: remove unused davinci board & drivers | expand |
On Wed, Oct 19, 2022 at 17:29, Arnd Bergmann <arnd@kernel.org> wrote: > From: Arnd Bergmann <arnd@arndb.de> > > The dm365evm board was removed, and no other users of this > device exist. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> > --- > drivers/input/keyboard/Kconfig | 10 - > drivers/input/keyboard/Makefile | 1 - > drivers/input/keyboard/davinci_keyscan.c | 315 ----------------------- > 3 files changed, 326 deletions(-) > delete mode 100644 drivers/input/keyboard/davinci_keyscan.c > > diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig > index 00292118b79b..957cc6728f4c 100644 > --- a/drivers/input/keyboard/Kconfig > +++ b/drivers/input/keyboard/Kconfig > @@ -657,16 +657,6 @@ config KEYBOARD_SUN4I_LRADC > To compile this driver as a module, choose M here: the > module will be called sun4i-lradc-keys. > > -config KEYBOARD_DAVINCI > - tristate "TI DaVinci Key Scan" > - depends on ARCH_DAVINCI_DM365 > - help > - Say Y to enable keypad module support for the TI DaVinci > - platforms (DM365). > - > - To compile this driver as a module, choose M here: the > - module will be called davinci_keyscan. > - > config KEYBOARD_IPAQ_MICRO > tristate "Buttons on Micro SoC (iPaq h3100,h3600,h3700)" > depends on MFD_IPAQ_MICRO > diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile > index 5f67196bb2c1..5ccfdf5c0222 100644 > --- a/drivers/input/keyboard/Makefile > +++ b/drivers/input/keyboard/Makefile > @@ -18,7 +18,6 @@ obj-$(CONFIG_KEYBOARD_CAP11XX) += cap11xx.o > obj-$(CONFIG_KEYBOARD_CLPS711X) += clps711x-keypad.o > obj-$(CONFIG_KEYBOARD_CROS_EC) += cros_ec_keyb.o > obj-$(CONFIG_KEYBOARD_CYPRESS_SF) += cypress-sf.o > -obj-$(CONFIG_KEYBOARD_DAVINCI) += davinci_keyscan.o > obj-$(CONFIG_KEYBOARD_DLINK_DIR685) += dlink-dir685-touchkeys.o > obj-$(CONFIG_KEYBOARD_EP93XX) += ep93xx_keypad.o > obj-$(CONFIG_KEYBOARD_GOLDFISH_EVENTS) += goldfish_events.o > diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c > deleted file mode 100644 > index f489cd585b33..000000000000 > --- a/drivers/input/keyboard/davinci_keyscan.c > +++ /dev/null > @@ -1,315 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-or-later > -/* > - * DaVinci Key Scan Driver for TI platforms > - * > - * Copyright (C) 2009 Texas Instruments, Inc > - * > - * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com> > - * > - * Initial Code: Sandeep Paulraj <s-paulraj@ti.com> > - */ > -#include <linux/module.h> > -#include <linux/init.h> > -#include <linux/interrupt.h> > -#include <linux/types.h> > -#include <linux/input.h> > -#include <linux/kernel.h> > -#include <linux/delay.h> > -#include <linux/platform_device.h> > -#include <linux/errno.h> > -#include <linux/slab.h> > - > -#include <linux/platform_data/keyscan-davinci.h> > - > -/* Key scan registers */ > -#define DAVINCI_KEYSCAN_KEYCTRL 0x0000 > -#define DAVINCI_KEYSCAN_INTENA 0x0004 > -#define DAVINCI_KEYSCAN_INTFLAG 0x0008 > -#define DAVINCI_KEYSCAN_INTCLR 0x000c > -#define DAVINCI_KEYSCAN_STRBWIDTH 0x0010 > -#define DAVINCI_KEYSCAN_INTERVAL 0x0014 > -#define DAVINCI_KEYSCAN_CONTTIME 0x0018 > -#define DAVINCI_KEYSCAN_CURRENTST 0x001c > -#define DAVINCI_KEYSCAN_PREVSTATE 0x0020 > -#define DAVINCI_KEYSCAN_EMUCTRL 0x0024 > -#define DAVINCI_KEYSCAN_IODFTCTRL 0x002c > - > -/* Key Control Register (KEYCTRL) */ > -#define DAVINCI_KEYSCAN_KEYEN 0x00000001 > -#define DAVINCI_KEYSCAN_PREVMODE 0x00000002 > -#define DAVINCI_KEYSCAN_CHATOFF 0x00000004 > -#define DAVINCI_KEYSCAN_AUTODET 0x00000008 > -#define DAVINCI_KEYSCAN_SCANMODE 0x00000010 > -#define DAVINCI_KEYSCAN_OUTTYPE 0x00000020 > - > -/* Masks for the interrupts */ > -#define DAVINCI_KEYSCAN_INT_CONT 0x00000008 > -#define DAVINCI_KEYSCAN_INT_OFF 0x00000004 > -#define DAVINCI_KEYSCAN_INT_ON 0x00000002 > -#define DAVINCI_KEYSCAN_INT_CHANGE 0x00000001 > -#define DAVINCI_KEYSCAN_INT_ALL 0x0000000f > - > -struct davinci_ks { > - struct input_dev *input; > - struct davinci_ks_platform_data *pdata; > - int irq; > - void __iomem *base; > - resource_size_t pbase; > - size_t base_size; > - unsigned short keymap[]; > -}; > - > -/* Initializing the kp Module */ > -static int __init davinci_ks_initialize(struct davinci_ks *davinci_ks) > -{ > - struct device *dev = &davinci_ks->input->dev; > - struct davinci_ks_platform_data *pdata = davinci_ks->pdata; > - u32 matrix_ctrl; > - > - /* Enable all interrupts */ > - __raw_writel(DAVINCI_KEYSCAN_INT_ALL, > - davinci_ks->base + DAVINCI_KEYSCAN_INTENA); > - > - /* Clear interrupts if any */ > - __raw_writel(DAVINCI_KEYSCAN_INT_ALL, > - davinci_ks->base + DAVINCI_KEYSCAN_INTCLR); > - > - /* Setup the scan period = strobe + interval */ > - __raw_writel(pdata->strobe, > - davinci_ks->base + DAVINCI_KEYSCAN_STRBWIDTH); > - __raw_writel(pdata->interval, > - davinci_ks->base + DAVINCI_KEYSCAN_INTERVAL); > - __raw_writel(0x01, > - davinci_ks->base + DAVINCI_KEYSCAN_CONTTIME); > - > - /* Define matrix type */ > - switch (pdata->matrix_type) { > - case DAVINCI_KEYSCAN_MATRIX_4X4: > - matrix_ctrl = 0; > - break; > - case DAVINCI_KEYSCAN_MATRIX_5X3: > - matrix_ctrl = (1 << 6); > - break; > - default: > - dev_err(dev->parent, "wrong matrix type\n"); > - return -EINVAL; > - } > - > - /* Enable key scan module and set matrix type */ > - __raw_writel(DAVINCI_KEYSCAN_AUTODET | DAVINCI_KEYSCAN_KEYEN | > - matrix_ctrl, davinci_ks->base + DAVINCI_KEYSCAN_KEYCTRL); > - > - return 0; > -} > - > -static irqreturn_t davinci_ks_interrupt(int irq, void *dev_id) > -{ > - struct davinci_ks *davinci_ks = dev_id; > - struct device *dev = &davinci_ks->input->dev; > - unsigned short *keymap = davinci_ks->keymap; > - int keymapsize = davinci_ks->pdata->keymapsize; > - u32 prev_status, new_status, changed; > - bool release; > - int keycode = KEY_UNKNOWN; > - int i; > - > - /* Disable interrupt */ > - __raw_writel(0x0, davinci_ks->base + DAVINCI_KEYSCAN_INTENA); > - > - /* Reading previous and new status of the key scan */ > - prev_status = __raw_readl(davinci_ks->base + DAVINCI_KEYSCAN_PREVSTATE); > - new_status = __raw_readl(davinci_ks->base + DAVINCI_KEYSCAN_CURRENTST); > - > - changed = prev_status ^ new_status; > - > - if (changed) { > - /* > - * It goes through all bits in 'changed' to ensure > - * that no key changes are being missed > - */ > - for (i = 0 ; i < keymapsize; i++) { > - if ((changed>>i) & 0x1) { > - keycode = keymap[i]; > - release = (new_status >> i) & 0x1; > - dev_dbg(dev->parent, "key %d %s\n", keycode, > - release ? "released" : "pressed"); > - input_report_key(davinci_ks->input, keycode, > - !release); > - input_sync(davinci_ks->input); > - } > - } > - /* Clearing interrupt */ > - __raw_writel(DAVINCI_KEYSCAN_INT_ALL, > - davinci_ks->base + DAVINCI_KEYSCAN_INTCLR); > - } > - > - /* Enable interrupts */ > - __raw_writel(0x1, davinci_ks->base + DAVINCI_KEYSCAN_INTENA); > - > - return IRQ_HANDLED; > -} > - > -static int __init davinci_ks_probe(struct platform_device *pdev) > -{ > - struct davinci_ks *davinci_ks; > - struct input_dev *key_dev; > - struct resource *res, *mem; > - struct device *dev = &pdev->dev; > - struct davinci_ks_platform_data *pdata = dev_get_platdata(dev); > - int error, i; > - > - if (pdata->device_enable) { > - error = pdata->device_enable(dev); > - if (error < 0) { > - dev_dbg(dev, "device enable function failed\n"); > - return error; > - } > - } > - > - if (!pdata->keymap) { > - dev_dbg(dev, "no keymap from pdata\n"); > - return -EINVAL; > - } > - > - davinci_ks = kzalloc(sizeof(struct davinci_ks) + > - sizeof(unsigned short) * pdata->keymapsize, GFP_KERNEL); > - if (!davinci_ks) { > - dev_dbg(dev, "could not allocate memory for private data\n"); > - return -ENOMEM; > - } > - > - memcpy(davinci_ks->keymap, pdata->keymap, > - sizeof(unsigned short) * pdata->keymapsize); > - > - key_dev = input_allocate_device(); > - if (!key_dev) { > - dev_dbg(dev, "could not allocate input device\n"); > - error = -ENOMEM; > - goto fail1; > - } > - > - davinci_ks->input = key_dev; > - > - davinci_ks->irq = platform_get_irq(pdev, 0); > - if (davinci_ks->irq < 0) { > - error = davinci_ks->irq; > - goto fail2; > - } > - > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - if (!res) { > - dev_err(dev, "no mem resource\n"); > - error = -EINVAL; > - goto fail2; > - } > - > - davinci_ks->pbase = res->start; > - davinci_ks->base_size = resource_size(res); > - > - mem = request_mem_region(davinci_ks->pbase, davinci_ks->base_size, > - pdev->name); > - if (!mem) { > - dev_err(dev, "key scan registers at %08x are not free\n", > - davinci_ks->pbase); > - error = -EBUSY; > - goto fail2; > - } > - > - davinci_ks->base = ioremap(davinci_ks->pbase, davinci_ks->base_size); > - if (!davinci_ks->base) { > - dev_err(dev, "can't ioremap MEM resource.\n"); > - error = -ENOMEM; > - goto fail3; > - } > - > - /* Enable auto repeat feature of Linux input subsystem */ > - if (pdata->rep) > - __set_bit(EV_REP, key_dev->evbit); > - > - /* Setup input device */ > - __set_bit(EV_KEY, key_dev->evbit); > - > - /* Setup the platform data */ > - davinci_ks->pdata = pdata; > - > - for (i = 0; i < davinci_ks->pdata->keymapsize; i++) > - __set_bit(davinci_ks->pdata->keymap[i], key_dev->keybit); > - > - key_dev->name = "davinci_keyscan"; > - key_dev->phys = "davinci_keyscan/input0"; > - key_dev->dev.parent = dev; > - key_dev->id.bustype = BUS_HOST; > - key_dev->id.vendor = 0x0001; > - key_dev->id.product = 0x0001; > - key_dev->id.version = 0x0001; > - key_dev->keycode = davinci_ks->keymap; > - key_dev->keycodesize = sizeof(davinci_ks->keymap[0]); > - key_dev->keycodemax = davinci_ks->pdata->keymapsize; > - > - error = input_register_device(davinci_ks->input); > - if (error < 0) { > - dev_err(dev, "unable to register davinci key scan device\n"); > - goto fail4; > - } > - > - error = request_irq(davinci_ks->irq, davinci_ks_interrupt, > - 0, pdev->name, davinci_ks); > - if (error < 0) { > - dev_err(dev, "unable to register davinci key scan interrupt\n"); > - goto fail5; > - } > - > - error = davinci_ks_initialize(davinci_ks); > - if (error < 0) { > - dev_err(dev, "unable to initialize davinci key scan device\n"); > - goto fail6; > - } > - > - platform_set_drvdata(pdev, davinci_ks); > - return 0; > - > -fail6: > - free_irq(davinci_ks->irq, davinci_ks); > -fail5: > - input_unregister_device(davinci_ks->input); > - key_dev = NULL; > -fail4: > - iounmap(davinci_ks->base); > -fail3: > - release_mem_region(davinci_ks->pbase, davinci_ks->base_size); > -fail2: > - input_free_device(key_dev); > -fail1: > - kfree(davinci_ks); > - > - return error; > -} > - > -static int davinci_ks_remove(struct platform_device *pdev) > -{ > - struct davinci_ks *davinci_ks = platform_get_drvdata(pdev); > - > - free_irq(davinci_ks->irq, davinci_ks); > - > - input_unregister_device(davinci_ks->input); > - > - iounmap(davinci_ks->base); > - release_mem_region(davinci_ks->pbase, davinci_ks->base_size); > - > - kfree(davinci_ks); > - > - return 0; > -} > - > -static struct platform_driver davinci_ks_driver = { > - .driver = { > - .name = "davinci_keyscan", > - }, > - .remove = davinci_ks_remove, > -}; > - > -module_platform_driver_probe(davinci_ks_driver, davinci_ks_probe); > - > -MODULE_AUTHOR("Miguel Aguilar"); > -MODULE_DESCRIPTION("Texas Instruments DaVinci Key Scan Driver"); > -MODULE_LICENSE("GPL"); > -- > 2.29.2
On Wed, Oct 19, 2022 at 5:36 PM Arnd Bergmann <arnd@kernel.org> wrote: > > From: Arnd Bergmann <arnd@arndb.de> > > The dm365evm board was removed, and no other users of this > device exist. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 00292118b79b..957cc6728f4c 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -657,16 +657,6 @@ config KEYBOARD_SUN4I_LRADC To compile this driver as a module, choose M here: the module will be called sun4i-lradc-keys. -config KEYBOARD_DAVINCI - tristate "TI DaVinci Key Scan" - depends on ARCH_DAVINCI_DM365 - help - Say Y to enable keypad module support for the TI DaVinci - platforms (DM365). - - To compile this driver as a module, choose M here: the - module will be called davinci_keyscan. - config KEYBOARD_IPAQ_MICRO tristate "Buttons on Micro SoC (iPaq h3100,h3600,h3700)" depends on MFD_IPAQ_MICRO diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index 5f67196bb2c1..5ccfdf5c0222 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -18,7 +18,6 @@ obj-$(CONFIG_KEYBOARD_CAP11XX) += cap11xx.o obj-$(CONFIG_KEYBOARD_CLPS711X) += clps711x-keypad.o obj-$(CONFIG_KEYBOARD_CROS_EC) += cros_ec_keyb.o obj-$(CONFIG_KEYBOARD_CYPRESS_SF) += cypress-sf.o -obj-$(CONFIG_KEYBOARD_DAVINCI) += davinci_keyscan.o obj-$(CONFIG_KEYBOARD_DLINK_DIR685) += dlink-dir685-touchkeys.o obj-$(CONFIG_KEYBOARD_EP93XX) += ep93xx_keypad.o obj-$(CONFIG_KEYBOARD_GOLDFISH_EVENTS) += goldfish_events.o diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c deleted file mode 100644 index f489cd585b33..000000000000 --- a/drivers/input/keyboard/davinci_keyscan.c +++ /dev/null @@ -1,315 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * DaVinci Key Scan Driver for TI platforms - * - * Copyright (C) 2009 Texas Instruments, Inc - * - * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com> - * - * Initial Code: Sandeep Paulraj <s-paulraj@ti.com> - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/types.h> -#include <linux/input.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/errno.h> -#include <linux/slab.h> - -#include <linux/platform_data/keyscan-davinci.h> - -/* Key scan registers */ -#define DAVINCI_KEYSCAN_KEYCTRL 0x0000 -#define DAVINCI_KEYSCAN_INTENA 0x0004 -#define DAVINCI_KEYSCAN_INTFLAG 0x0008 -#define DAVINCI_KEYSCAN_INTCLR 0x000c -#define DAVINCI_KEYSCAN_STRBWIDTH 0x0010 -#define DAVINCI_KEYSCAN_INTERVAL 0x0014 -#define DAVINCI_KEYSCAN_CONTTIME 0x0018 -#define DAVINCI_KEYSCAN_CURRENTST 0x001c -#define DAVINCI_KEYSCAN_PREVSTATE 0x0020 -#define DAVINCI_KEYSCAN_EMUCTRL 0x0024 -#define DAVINCI_KEYSCAN_IODFTCTRL 0x002c - -/* Key Control Register (KEYCTRL) */ -#define DAVINCI_KEYSCAN_KEYEN 0x00000001 -#define DAVINCI_KEYSCAN_PREVMODE 0x00000002 -#define DAVINCI_KEYSCAN_CHATOFF 0x00000004 -#define DAVINCI_KEYSCAN_AUTODET 0x00000008 -#define DAVINCI_KEYSCAN_SCANMODE 0x00000010 -#define DAVINCI_KEYSCAN_OUTTYPE 0x00000020 - -/* Masks for the interrupts */ -#define DAVINCI_KEYSCAN_INT_CONT 0x00000008 -#define DAVINCI_KEYSCAN_INT_OFF 0x00000004 -#define DAVINCI_KEYSCAN_INT_ON 0x00000002 -#define DAVINCI_KEYSCAN_INT_CHANGE 0x00000001 -#define DAVINCI_KEYSCAN_INT_ALL 0x0000000f - -struct davinci_ks { - struct input_dev *input; - struct davinci_ks_platform_data *pdata; - int irq; - void __iomem *base; - resource_size_t pbase; - size_t base_size; - unsigned short keymap[]; -}; - -/* Initializing the kp Module */ -static int __init davinci_ks_initialize(struct davinci_ks *davinci_ks) -{ - struct device *dev = &davinci_ks->input->dev; - struct davinci_ks_platform_data *pdata = davinci_ks->pdata; - u32 matrix_ctrl; - - /* Enable all interrupts */ - __raw_writel(DAVINCI_KEYSCAN_INT_ALL, - davinci_ks->base + DAVINCI_KEYSCAN_INTENA); - - /* Clear interrupts if any */ - __raw_writel(DAVINCI_KEYSCAN_INT_ALL, - davinci_ks->base + DAVINCI_KEYSCAN_INTCLR); - - /* Setup the scan period = strobe + interval */ - __raw_writel(pdata->strobe, - davinci_ks->base + DAVINCI_KEYSCAN_STRBWIDTH); - __raw_writel(pdata->interval, - davinci_ks->base + DAVINCI_KEYSCAN_INTERVAL); - __raw_writel(0x01, - davinci_ks->base + DAVINCI_KEYSCAN_CONTTIME); - - /* Define matrix type */ - switch (pdata->matrix_type) { - case DAVINCI_KEYSCAN_MATRIX_4X4: - matrix_ctrl = 0; - break; - case DAVINCI_KEYSCAN_MATRIX_5X3: - matrix_ctrl = (1 << 6); - break; - default: - dev_err(dev->parent, "wrong matrix type\n"); - return -EINVAL; - } - - /* Enable key scan module and set matrix type */ - __raw_writel(DAVINCI_KEYSCAN_AUTODET | DAVINCI_KEYSCAN_KEYEN | - matrix_ctrl, davinci_ks->base + DAVINCI_KEYSCAN_KEYCTRL); - - return 0; -} - -static irqreturn_t davinci_ks_interrupt(int irq, void *dev_id) -{ - struct davinci_ks *davinci_ks = dev_id; - struct device *dev = &davinci_ks->input->dev; - unsigned short *keymap = davinci_ks->keymap; - int keymapsize = davinci_ks->pdata->keymapsize; - u32 prev_status, new_status, changed; - bool release; - int keycode = KEY_UNKNOWN; - int i; - - /* Disable interrupt */ - __raw_writel(0x0, davinci_ks->base + DAVINCI_KEYSCAN_INTENA); - - /* Reading previous and new status of the key scan */ - prev_status = __raw_readl(davinci_ks->base + DAVINCI_KEYSCAN_PREVSTATE); - new_status = __raw_readl(davinci_ks->base + DAVINCI_KEYSCAN_CURRENTST); - - changed = prev_status ^ new_status; - - if (changed) { - /* - * It goes through all bits in 'changed' to ensure - * that no key changes are being missed - */ - for (i = 0 ; i < keymapsize; i++) { - if ((changed>>i) & 0x1) { - keycode = keymap[i]; - release = (new_status >> i) & 0x1; - dev_dbg(dev->parent, "key %d %s\n", keycode, - release ? "released" : "pressed"); - input_report_key(davinci_ks->input, keycode, - !release); - input_sync(davinci_ks->input); - } - } - /* Clearing interrupt */ - __raw_writel(DAVINCI_KEYSCAN_INT_ALL, - davinci_ks->base + DAVINCI_KEYSCAN_INTCLR); - } - - /* Enable interrupts */ - __raw_writel(0x1, davinci_ks->base + DAVINCI_KEYSCAN_INTENA); - - return IRQ_HANDLED; -} - -static int __init davinci_ks_probe(struct platform_device *pdev) -{ - struct davinci_ks *davinci_ks; - struct input_dev *key_dev; - struct resource *res, *mem; - struct device *dev = &pdev->dev; - struct davinci_ks_platform_data *pdata = dev_get_platdata(dev); - int error, i; - - if (pdata->device_enable) { - error = pdata->device_enable(dev); - if (error < 0) { - dev_dbg(dev, "device enable function failed\n"); - return error; - } - } - - if (!pdata->keymap) { - dev_dbg(dev, "no keymap from pdata\n"); - return -EINVAL; - } - - davinci_ks = kzalloc(sizeof(struct davinci_ks) + - sizeof(unsigned short) * pdata->keymapsize, GFP_KERNEL); - if (!davinci_ks) { - dev_dbg(dev, "could not allocate memory for private data\n"); - return -ENOMEM; - } - - memcpy(davinci_ks->keymap, pdata->keymap, - sizeof(unsigned short) * pdata->keymapsize); - - key_dev = input_allocate_device(); - if (!key_dev) { - dev_dbg(dev, "could not allocate input device\n"); - error = -ENOMEM; - goto fail1; - } - - davinci_ks->input = key_dev; - - davinci_ks->irq = platform_get_irq(pdev, 0); - if (davinci_ks->irq < 0) { - error = davinci_ks->irq; - goto fail2; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "no mem resource\n"); - error = -EINVAL; - goto fail2; - } - - davinci_ks->pbase = res->start; - davinci_ks->base_size = resource_size(res); - - mem = request_mem_region(davinci_ks->pbase, davinci_ks->base_size, - pdev->name); - if (!mem) { - dev_err(dev, "key scan registers at %08x are not free\n", - davinci_ks->pbase); - error = -EBUSY; - goto fail2; - } - - davinci_ks->base = ioremap(davinci_ks->pbase, davinci_ks->base_size); - if (!davinci_ks->base) { - dev_err(dev, "can't ioremap MEM resource.\n"); - error = -ENOMEM; - goto fail3; - } - - /* Enable auto repeat feature of Linux input subsystem */ - if (pdata->rep) - __set_bit(EV_REP, key_dev->evbit); - - /* Setup input device */ - __set_bit(EV_KEY, key_dev->evbit); - - /* Setup the platform data */ - davinci_ks->pdata = pdata; - - for (i = 0; i < davinci_ks->pdata->keymapsize; i++) - __set_bit(davinci_ks->pdata->keymap[i], key_dev->keybit); - - key_dev->name = "davinci_keyscan"; - key_dev->phys = "davinci_keyscan/input0"; - key_dev->dev.parent = dev; - key_dev->id.bustype = BUS_HOST; - key_dev->id.vendor = 0x0001; - key_dev->id.product = 0x0001; - key_dev->id.version = 0x0001; - key_dev->keycode = davinci_ks->keymap; - key_dev->keycodesize = sizeof(davinci_ks->keymap[0]); - key_dev->keycodemax = davinci_ks->pdata->keymapsize; - - error = input_register_device(davinci_ks->input); - if (error < 0) { - dev_err(dev, "unable to register davinci key scan device\n"); - goto fail4; - } - - error = request_irq(davinci_ks->irq, davinci_ks_interrupt, - 0, pdev->name, davinci_ks); - if (error < 0) { - dev_err(dev, "unable to register davinci key scan interrupt\n"); - goto fail5; - } - - error = davinci_ks_initialize(davinci_ks); - if (error < 0) { - dev_err(dev, "unable to initialize davinci key scan device\n"); - goto fail6; - } - - platform_set_drvdata(pdev, davinci_ks); - return 0; - -fail6: - free_irq(davinci_ks->irq, davinci_ks); -fail5: - input_unregister_device(davinci_ks->input); - key_dev = NULL; -fail4: - iounmap(davinci_ks->base); -fail3: - release_mem_region(davinci_ks->pbase, davinci_ks->base_size); -fail2: - input_free_device(key_dev); -fail1: - kfree(davinci_ks); - - return error; -} - -static int davinci_ks_remove(struct platform_device *pdev) -{ - struct davinci_ks *davinci_ks = platform_get_drvdata(pdev); - - free_irq(davinci_ks->irq, davinci_ks); - - input_unregister_device(davinci_ks->input); - - iounmap(davinci_ks->base); - release_mem_region(davinci_ks->pbase, davinci_ks->base_size); - - kfree(davinci_ks); - - return 0; -} - -static struct platform_driver davinci_ks_driver = { - .driver = { - .name = "davinci_keyscan", - }, - .remove = davinci_ks_remove, -}; - -module_platform_driver_probe(davinci_ks_driver, davinci_ks_probe); - -MODULE_AUTHOR("Miguel Aguilar"); -MODULE_DESCRIPTION("Texas Instruments DaVinci Key Scan Driver"); -MODULE_LICENSE("GPL");