pwm: remove pwm-bfin driver

The blackfin architecture is getting removed, so this driver is now
obsolete as well.

Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Aaron Wu <aaron.wu@analog.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index f16aad3..38d49db 100644 (file)
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -113,15 +113,6 @@ config PWM_BERLIN
          To compile this driver as a module, choose M here: the module
          will be called pwm-berlin.
 
-config PWM_BFIN
-       tristate "Blackfin PWM support"
-       depends on BFIN_GPTIMERS
-       help
-         Generic PWM framework driver for Blackfin.
-
-         To compile this driver as a module, choose M here: the module
-         will be called pwm-bfin.
-
 config PWM_BRCMSTB
        tristate "Broadcom STB PWM support"
        depends on ARCH_BRCMSTB || BMIPS_GENERIC

diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
index 0258a74..9c676a0 100644 (file)
--- a/drivers/pwm/Makefile
+++ b/drivers/pwm/Makefile
@@ -9,7 +9,6 @@ obj-$(CONFIG_PWM_BCM_IPROC)     += pwm-bcm-iproc.o
 obj-$(CONFIG_PWM_BCM_KONA)     += pwm-bcm-kona.o
 obj-$(CONFIG_PWM_BCM2835)      += pwm-bcm2835.o
 obj-$(CONFIG_PWM_BERLIN)       += pwm-berlin.o
-obj-$(CONFIG_PWM_BFIN)         += pwm-bfin.o
 obj-$(CONFIG_PWM_BRCMSTB)      += pwm-brcmstb.o
 obj-$(CONFIG_PWM_CLPS711X)     += pwm-clps711x.o
 obj-$(CONFIG_PWM_CRC)          += pwm-crc.o

diff --git a/drivers/pwm/pwm-bfin.c b/drivers/pwm/pwm-bfin.c
deleted file mode 100644 (file)
index a9a8813..0000000
--- a/drivers/pwm/pwm-bfin.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Blackfin Pulse Width Modulation (PWM) core
- *
- * Copyright (c) 2011 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/pwm.h>
-#include <linux/slab.h>
-
-#include <asm/gptimers.h>
-#include <asm/portmux.h>
-
-struct bfin_pwm_chip {
-       struct pwm_chip chip;
-};
-
-struct bfin_pwm {
-       unsigned short pin;
-};
-
-static const unsigned short pwm_to_gptimer_per[] = {
-       P_TMR0, P_TMR1, P_TMR2, P_TMR3, P_TMR4, P_TMR5,
-       P_TMR6, P_TMR7, P_TMR8, P_TMR9, P_TMR10, P_TMR11,
-};
-
-static int bfin_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
-{
-       struct bfin_pwm *priv;
-       int ret;
-
-       if (pwm->hwpwm >= ARRAY_SIZE(pwm_to_gptimer_per))
-               return -EINVAL;
-
-       priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-       if (!priv)
-               return -ENOMEM;
-
-       priv->pin = pwm_to_gptimer_per[pwm->hwpwm];
-
-       ret = peripheral_request(priv->pin, NULL);
-       if (ret) {
-               kfree(priv);
-               return ret;
-       }
-
-       pwm_set_chip_data(pwm, priv);
-
-       return 0;
-}
-
-static void bfin_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
-{
-       struct bfin_pwm *priv = pwm_get_chip_data(pwm);
-
-       if (priv) {
-               peripheral_free(priv->pin);
-               kfree(priv);
-       }
-}
-
-static int bfin_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
-               int duty_ns, int period_ns)
-{
-       struct bfin_pwm *priv = pwm_get_chip_data(pwm);
-       unsigned long period, duty;
-       unsigned long long val;
-
-       val = (unsigned long long)get_sclk() * period_ns;
-       do_div(val, NSEC_PER_SEC);
-       period = val;
-
-       val = (unsigned long long)period * duty_ns;
-       do_div(val, period_ns);
-       duty = period - val;
-
-       if (duty >= period)
-               duty = period - 1;
-
-       set_gptimer_config(priv->pin, TIMER_MODE_PWM | TIMER_PERIOD_CNT);
-       set_gptimer_pwidth(priv->pin, duty);
-       set_gptimer_period(priv->pin, period);
-
-       return 0;
-}
-
-static int bfin_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
-{
-       struct bfin_pwm *priv = pwm_get_chip_data(pwm);
-
-       enable_gptimer(priv->pin);
-
-       return 0;
-}
-
-static void bfin_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
-{
-       struct bfin_pwm *priv = pwm_get_chip_data(pwm);
-
-       disable_gptimer(priv->pin);
-}
-
-static const struct pwm_ops bfin_pwm_ops = {
-       .request = bfin_pwm_request,
-       .free = bfin_pwm_free,
-       .config = bfin_pwm_config,
-       .enable = bfin_pwm_enable,
-       .disable = bfin_pwm_disable,
-       .owner = THIS_MODULE,
-};
-
-static int bfin_pwm_probe(struct platform_device *pdev)
-{
-       struct bfin_pwm_chip *pwm;
-       int ret;
-
-       pwm = devm_kzalloc(&pdev->dev, sizeof(*pwm), GFP_KERNEL);
-       if (!pwm)
-               return -ENOMEM;
-
-       platform_set_drvdata(pdev, pwm);
-
-       pwm->chip.dev = &pdev->dev;
-       pwm->chip.ops = &bfin_pwm_ops;
-       pwm->chip.base = -1;
-       pwm->chip.npwm = 12;
-
-       ret = pwmchip_add(&pwm->chip);
-       if (ret < 0) {
-               dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
-               return ret;
-       }
-
-       return 0;
-}
-
-static int bfin_pwm_remove(struct platform_device *pdev)
-{
-       struct bfin_pwm_chip *pwm = platform_get_drvdata(pdev);
-
-       return pwmchip_remove(&pwm->chip);
-}
-
-static struct platform_driver bfin_pwm_driver = {
-       .driver = {
-               .name = "bfin-pwm",
-       },
-       .probe = bfin_pwm_probe,
-       .remove = bfin_pwm_remove,
-};
-
-module_platform_driver(bfin_pwm_driver);
-
-MODULE_LICENSE("GPL");