diff options
Diffstat (limited to 'drivers/amba/bus.c')
| -rw-r--r-- | drivers/amba/bus.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index 4a3ac31..41b7064 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -20,6 +20,7 @@ #include <linux/sizes.h> #include <linux/limits.h> #include <linux/clk/clk-conf.h> +#include <linux/platform_device.h> #include <asm/irq.h> @@ -101,8 +102,8 @@ static ssize_t driver_override_store(struct device *_dev, if (strlen(driver_override)) { dev->driver_override = driver_override; } else { - kfree(driver_override); - dev->driver_override = NULL; + kfree(driver_override); + dev->driver_override = NULL; } device_unlock(_dev); @@ -193,15 +194,18 @@ static const struct dev_pm_ops amba_pm = { /* * Primecells are part of the Advanced Microcontroller Bus Architecture, * so we call the bus "amba". + * DMA configuration for platform and AMBA bus is same. So here we reuse + * platform's DMA config routine. */ struct bus_type amba_bustype = { .name = "amba", .dev_groups = amba_dev_groups, .match = amba_match, .uevent = amba_uevent, + .dma_configure = platform_dma_configure, .pm = &amba_pm, - .force_dma = true, }; +EXPORT_SYMBOL_GPL(amba_bustype); static int __init amba_init(void) { @@ -248,7 +252,7 @@ static int amba_probe(struct device *dev) break; ret = dev_pm_domain_attach(dev, true); - if (ret == -EPROBE_DEFER) + if (ret) break; ret = amba_get_enable_pclk(pcdev); @@ -375,7 +379,7 @@ static int amba_device_try_add(struct amba_device *dev, struct resource *parent) } ret = dev_pm_domain_attach(&dev->dev, true); - if (ret == -EPROBE_DEFER) { + if (ret) { iounmap(tmp); goto err_release; } |
