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>

3 files changed, 0 insertions, 167 deletions

diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index f16aad3bf5d6..38d49dbbf9b7 100644
--- 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 0258a745f30c..9c676a0dadf5 100644
--- 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
index a9a88137f2cb..000000000000
--- 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");