diff options
Diffstat (limited to 'drivers/counter/interrupt-cnt.c')
-rw-r--r-- | drivers/counter/interrupt-cnt.c | 62 |
1 files changed, 26 insertions, 36 deletions
diff --git a/drivers/counter/interrupt-cnt.c b/drivers/counter/interrupt-cnt.c index 1de4243db488..8514a87fcbee 100644 --- a/drivers/counter/interrupt-cnt.c +++ b/drivers/counter/interrupt-cnt.c @@ -10,6 +10,7 @@ #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/types.h> #define INTERRUPT_CNT_NAME "interrupt-cnt" @@ -33,30 +34,23 @@ static irqreturn_t interrupt_cnt_isr(int irq, void *dev_id) return IRQ_HANDLED; } -static ssize_t interrupt_cnt_enable_read(struct counter_device *counter, - struct counter_count *count, - void *private, char *buf) +static int interrupt_cnt_enable_read(struct counter_device *counter, + struct counter_count *count, u8 *enable) { struct interrupt_cnt_priv *priv = counter->priv; - return sysfs_emit(buf, "%d\n", priv->enabled); + *enable = priv->enabled; + + return 0; } -static ssize_t interrupt_cnt_enable_write(struct counter_device *counter, - struct counter_count *count, - void *private, const char *buf, - size_t len) +static int interrupt_cnt_enable_write(struct counter_device *counter, + struct counter_count *count, u8 enable) { struct interrupt_cnt_priv *priv = counter->priv; - bool enable; - ssize_t ret; - - ret = kstrtobool(buf, &enable); - if (ret) - return ret; if (priv->enabled == enable) - return len; + return 0; if (enable) { priv->enabled = true; @@ -66,33 +60,30 @@ static ssize_t interrupt_cnt_enable_write(struct counter_device *counter, priv->enabled = false; } - return len; + return 0; } -static const struct counter_count_ext interrupt_cnt_ext[] = { - { - .name = "enable", - .read = interrupt_cnt_enable_read, - .write = interrupt_cnt_enable_write, - }, +static struct counter_comp interrupt_cnt_ext[] = { + COUNTER_COMP_ENABLE(interrupt_cnt_enable_read, + interrupt_cnt_enable_write), }; static const enum counter_synapse_action interrupt_cnt_synapse_actions[] = { COUNTER_SYNAPSE_ACTION_RISING_EDGE, }; -static int interrupt_cnt_action_get(struct counter_device *counter, - struct counter_count *count, - struct counter_synapse *synapse, - size_t *action) +static int interrupt_cnt_action_read(struct counter_device *counter, + struct counter_count *count, + struct counter_synapse *synapse, + enum counter_synapse_action *action) { - *action = 0; + *action = COUNTER_SYNAPSE_ACTION_RISING_EDGE; return 0; } static int interrupt_cnt_read(struct counter_device *counter, - struct counter_count *count, unsigned long *val) + struct counter_count *count, u64 *val) { struct interrupt_cnt_priv *priv = counter->priv; @@ -102,8 +93,7 @@ static int interrupt_cnt_read(struct counter_device *counter, } static int interrupt_cnt_write(struct counter_device *counter, - struct counter_count *count, - const unsigned long val) + struct counter_count *count, const u64 val) { struct interrupt_cnt_priv *priv = counter->priv; @@ -119,11 +109,11 @@ static const enum counter_function interrupt_cnt_functions[] = { COUNTER_FUNCTION_INCREASE, }; -static int interrupt_cnt_function_get(struct counter_device *counter, - struct counter_count *count, - size_t *function) +static int interrupt_cnt_function_read(struct counter_device *counter, + struct counter_count *count, + enum counter_function *function) { - *function = 0; + *function = COUNTER_FUNCTION_INCREASE; return 0; } @@ -148,10 +138,10 @@ static int interrupt_cnt_signal_read(struct counter_device *counter, } static const struct counter_ops interrupt_cnt_ops = { - .action_get = interrupt_cnt_action_get, + .action_read = interrupt_cnt_action_read, .count_read = interrupt_cnt_read, .count_write = interrupt_cnt_write, - .function_get = interrupt_cnt_function_get, + .function_read = interrupt_cnt_function_read, .signal_read = interrupt_cnt_signal_read, }; |