diff options
Diffstat (limited to 'drivers/counter/ftm-quaddec.c')
| -rw-r--r-- | drivers/counter/ftm-quaddec.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/drivers/counter/ftm-quaddec.c b/drivers/counter/ftm-quaddec.c index 5ef0478709cd..2a58582a9df4 100644 --- a/drivers/counter/ftm-quaddec.c +++ b/drivers/counter/ftm-quaddec.c @@ -26,7 +26,6 @@ }) struct ftm_quaddec { - struct counter_device counter; struct platform_device *pdev; void __iomem *ftm_base; bool big_endian; @@ -118,7 +117,7 @@ static void ftm_quaddec_disable(void *ftm) static int ftm_quaddec_get_prescaler(struct counter_device *counter, struct counter_count *count, u32 *cnt_mode) { - struct ftm_quaddec *ftm = counter->priv; + struct ftm_quaddec *ftm = counter_priv(counter); uint32_t scflags; ftm_read(ftm, FTM_SC, &scflags); @@ -131,7 +130,7 @@ static int ftm_quaddec_get_prescaler(struct counter_device *counter, static int ftm_quaddec_set_prescaler(struct counter_device *counter, struct counter_count *count, u32 cnt_mode) { - struct ftm_quaddec *ftm = counter->priv; + struct ftm_quaddec *ftm = counter_priv(counter); mutex_lock(&ftm->ftm_quaddec_mutex); @@ -162,7 +161,7 @@ static int ftm_quaddec_count_read(struct counter_device *counter, struct counter_count *count, u64 *val) { - struct ftm_quaddec *const ftm = counter->priv; + struct ftm_quaddec *const ftm = counter_priv(counter); uint32_t cntval; ftm_read(ftm, FTM_CNT, &cntval); @@ -176,7 +175,7 @@ static int ftm_quaddec_count_write(struct counter_device *counter, struct counter_count *count, const u64 val) { - struct ftm_quaddec *const ftm = counter->priv; + struct ftm_quaddec *const ftm = counter_priv(counter); if (val != 0) { dev_warn(&ftm->pdev->dev, "Can only accept '0' as new counter value\n"); @@ -259,17 +258,17 @@ static struct counter_count ftm_quaddec_counts = { static int ftm_quaddec_probe(struct platform_device *pdev) { + struct counter_device *counter; struct ftm_quaddec *ftm; struct device_node *node = pdev->dev.of_node; struct resource *io; int ret; - ftm = devm_kzalloc(&pdev->dev, sizeof(*ftm), GFP_KERNEL); - if (!ftm) + counter = devm_counter_alloc(&pdev->dev, sizeof(*ftm)); + if (!counter) return -ENOMEM; - - platform_set_drvdata(pdev, ftm); + ftm = counter_priv(counter); io = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!io) { @@ -285,14 +284,13 @@ static int ftm_quaddec_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed to map memory region\n"); return -EINVAL; } - ftm->counter.name = dev_name(&pdev->dev); - ftm->counter.parent = &pdev->dev; - ftm->counter.ops = &ftm_quaddec_cnt_ops; - ftm->counter.counts = &ftm_quaddec_counts; - ftm->counter.num_counts = 1; - ftm->counter.signals = ftm_quaddec_signals; - ftm->counter.num_signals = ARRAY_SIZE(ftm_quaddec_signals); - ftm->counter.priv = ftm; + counter->name = dev_name(&pdev->dev); + counter->parent = &pdev->dev; + counter->ops = &ftm_quaddec_cnt_ops; + counter->counts = &ftm_quaddec_counts; + counter->num_counts = 1; + counter->signals = ftm_quaddec_signals; + counter->num_signals = ARRAY_SIZE(ftm_quaddec_signals); mutex_init(&ftm->ftm_quaddec_mutex); @@ -302,9 +300,9 @@ static int ftm_quaddec_probe(struct platform_device *pdev) if (ret) return ret; - ret = devm_counter_register(&pdev->dev, &ftm->counter); + ret = devm_counter_add(&pdev->dev, counter); if (ret) - return ret; + return dev_err_probe(&pdev->dev, ret, "Failed to add counter\n"); return 0; } |