diff options
Diffstat (limited to 'drivers/misc/carma/carma-fpga-program.c')
| -rw-r--r-- | drivers/misc/carma/carma-fpga-program.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c index 7ce6065dc20..7be89832db1 100644 --- a/drivers/misc/carma/carma-fpga-program.c +++ b/drivers/misc/carma/carma-fpga-program.c @@ -10,6 +10,8 @@ */ #include <linux/dma-mapping.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/completion.h> #include <linux/miscdevice.h> @@ -513,7 +515,7 @@ static noinline int fpga_program_dma(struct fpga_dev *priv) * transaction, and then put it under external control */ memset(&config, 0, sizeof(config)); - config.direction = DMA_TO_DEVICE; + config.direction = DMA_MEM_TO_DEV; config.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; config.dst_maxburst = fpga_fifo_size(priv->regs) / 2 / 4; ret = chan->device->device_control(chan, DMA_SLAVE_CONFIG, @@ -546,7 +548,7 @@ static noinline int fpga_program_dma(struct fpga_dev *priv) goto out_dma_unmap; } - dma_async_memcpy_issue_pending(chan); + dma_async_issue_pending(chan); /* Set the total byte count */ fpga_set_byte_count(priv->regs, priv->bytes); @@ -830,8 +832,9 @@ static ssize_t penable_store(struct device *dev, struct device_attribute *attr, unsigned long val; int ret; - if (strict_strtoul(buf, 0, &val)) - return -EINVAL; + ret = kstrtoul(buf, 0, &val); + if (ret) + return ret; if (val) { ret = fpga_enable_power_supplies(priv); @@ -859,8 +862,9 @@ static ssize_t program_store(struct device *dev, struct device_attribute *attr, unsigned long val; int ret; - if (strict_strtoul(buf, 0, &val)) - return -EINVAL; + ret = kstrtoul(buf, 0, &val); + if (ret) + return ret; /* We can't have an image writer and be programming simultaneously */ if (mutex_lock_interruptible(&priv->lock)) @@ -919,7 +923,7 @@ static bool dma_filter(struct dma_chan *chan, void *data) static int fpga_of_remove(struct platform_device *op) { - struct fpga_dev *priv = dev_get_drvdata(&op->dev); + struct fpga_dev *priv = platform_get_drvdata(op); struct device *this_device = priv->miscdev.this_device; sysfs_remove_group(&this_device->kobj, &fpga_attr_group); @@ -945,8 +949,7 @@ static int fpga_of_remove(struct platform_device *op) /* CTL-CPLD Version Register */ #define CTL_CPLD_VERSION 0x2000 -static int fpga_of_probe(struct platform_device *op, - const struct of_device_id *match) +static int fpga_of_probe(struct platform_device *op) { struct device_node *of_node = op->dev.of_node; struct device *this_device; @@ -970,7 +973,7 @@ static int fpga_of_probe(struct platform_device *op, kref_init(&priv->ref); - dev_set_drvdata(&op->dev, priv); + platform_set_drvdata(op, priv); priv->dev = &op->dev; mutex_init(&priv->lock); init_completion(&priv->completion); @@ -979,7 +982,6 @@ static int fpga_of_probe(struct platform_device *op, dev_set_drvdata(priv->dev, priv); dma_cap_zero(mask); dma_cap_set(DMA_MEMCPY, mask); - dma_cap_set(DMA_INTERRUPT, mask); dma_cap_set(DMA_SLAVE, mask); dma_cap_set(DMA_SG, mask); @@ -1107,7 +1109,7 @@ static struct of_device_id fpga_of_match[] = { {}, }; -static struct of_platform_driver fpga_of_driver = { +static struct platform_driver fpga_of_driver = { .probe = fpga_of_probe, .remove = fpga_of_remove, .driver = { @@ -1124,12 +1126,12 @@ static struct of_platform_driver fpga_of_driver = { static int __init fpga_init(void) { led_trigger_register_simple("fpga", &ledtrig_fpga); - return of_register_platform_driver(&fpga_of_driver); + return platform_driver_register(&fpga_of_driver); } static void __exit fpga_exit(void) { - of_unregister_platform_driver(&fpga_of_driver); + platform_driver_unregister(&fpga_of_driver); led_trigger_unregister_simple(ledtrig_fpga); } |