diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-25 06:13:59 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-25 06:13:59 -0400 |
commit | 2d03423b2319cc854adeb28a03f65de5b5e0ab63 (patch) | |
tree | 20d9ddb661f3247f5dfaa6da8212123ed14a24c4 /drivers/base/platform.c | |
parent | 59e52534172d845ebffb0d7e85fc56fb7b857051 (diff) | |
parent | 2bbcb8788311a40714b585fc11b51da6ffa2ab92 (diff) |
Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
* 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (38 commits)
mm: memory hotplug: Check if pages are correctly reserved on a per-section basis
Revert "memory hotplug: Correct page reservation checking"
Update email address for stable patch submission
dynamic_debug: fix undefined reference to `__netdev_printk'
dynamic_debug: use a single printk() to emit messages
dynamic_debug: remove num_enabled accounting
dynamic_debug: consolidate repetitive struct _ddebug descriptor definitions
uio: Support physical addresses >32 bits on 32-bit systems
sysfs: add unsigned long cast to prevent compile warning
drivers: base: print rejected matches with DEBUG_DRIVER
memory hotplug: Correct page reservation checking
memory hotplug: Refuse to add unaligned memory regions
remove the messy code file Documentation/zh_CN/SubmitChecklist
ARM: mxc: convert device creation to use platform_device_register_full
new helper to create platform devices with dma mask
docs/driver-model: Update device class docs
docs/driver-model: Document device.groups
kobj_uevent: Ignore if some listeners cannot handle message
dynamic_debug: make netif_dbg() call __netdev_printk()
dynamic_debug: make netdev_dbg() call __netdev_printk()
...
Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r-- | drivers/base/platform.c | 54 |
1 files changed, 33 insertions, 21 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 99a5272d7c2f..7a24895543e7 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c | |||
@@ -375,52 +375,64 @@ void platform_device_unregister(struct platform_device *pdev) | |||
375 | EXPORT_SYMBOL_GPL(platform_device_unregister); | 375 | EXPORT_SYMBOL_GPL(platform_device_unregister); |
376 | 376 | ||
377 | /** | 377 | /** |
378 | * platform_device_register_resndata - add a platform-level device with | 378 | * platform_device_register_full - add a platform-level device with |
379 | * resources and platform-specific data | 379 | * resources and platform-specific data |
380 | * | 380 | * |
381 | * @parent: parent device for the device we're adding | 381 | * @pdevinfo: data used to create device |
382 | * @name: base name of the device we're adding | ||
383 | * @id: instance id | ||
384 | * @res: set of resources that needs to be allocated for the device | ||
385 | * @num: number of resources | ||
386 | * @data: platform specific data for this platform device | ||
387 | * @size: size of platform specific data | ||
388 | * | 382 | * |
389 | * Returns &struct platform_device pointer on success, or ERR_PTR() on error. | 383 | * Returns &struct platform_device pointer on success, or ERR_PTR() on error. |
390 | */ | 384 | */ |
391 | struct platform_device *platform_device_register_resndata( | 385 | struct platform_device *platform_device_register_full( |
392 | struct device *parent, | 386 | struct platform_device_info *pdevinfo) |
393 | const char *name, int id, | ||
394 | const struct resource *res, unsigned int num, | ||
395 | const void *data, size_t size) | ||
396 | { | 387 | { |
397 | int ret = -ENOMEM; | 388 | int ret = -ENOMEM; |
398 | struct platform_device *pdev; | 389 | struct platform_device *pdev; |
399 | 390 | ||
400 | pdev = platform_device_alloc(name, id); | 391 | pdev = platform_device_alloc(pdevinfo->name, pdevinfo->id); |
401 | if (!pdev) | 392 | if (!pdev) |
402 | goto err; | 393 | goto err_alloc; |
403 | 394 | ||
404 | pdev->dev.parent = parent; | 395 | pdev->dev.parent = pdevinfo->parent; |
396 | |||
397 | if (pdevinfo->dma_mask) { | ||
398 | /* | ||
399 | * This memory isn't freed when the device is put, | ||
400 | * I don't have a nice idea for that though. Conceptually | ||
401 | * dma_mask in struct device should not be a pointer. | ||
402 | * See http://thread.gmane.org/gmane.linux.kernel.pci/9081 | ||
403 | */ | ||
404 | pdev->dev.dma_mask = | ||
405 | kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL); | ||
406 | if (!pdev->dev.dma_mask) | ||
407 | goto err; | ||
408 | |||
409 | *pdev->dev.dma_mask = pdevinfo->dma_mask; | ||
410 | pdev->dev.coherent_dma_mask = pdevinfo->dma_mask; | ||
411 | } | ||
405 | 412 | ||
406 | ret = platform_device_add_resources(pdev, res, num); | 413 | ret = platform_device_add_resources(pdev, |
414 | pdevinfo->res, pdevinfo->num_res); | ||
407 | if (ret) | 415 | if (ret) |
408 | goto err; | 416 | goto err; |
409 | 417 | ||
410 | ret = platform_device_add_data(pdev, data, size); | 418 | ret = platform_device_add_data(pdev, |
419 | pdevinfo->data, pdevinfo->size_data); | ||
411 | if (ret) | 420 | if (ret) |
412 | goto err; | 421 | goto err; |
413 | 422 | ||
414 | ret = platform_device_add(pdev); | 423 | ret = platform_device_add(pdev); |
415 | if (ret) { | 424 | if (ret) { |
416 | err: | 425 | err: |
426 | kfree(pdev->dev.dma_mask); | ||
427 | |||
428 | err_alloc: | ||
417 | platform_device_put(pdev); | 429 | platform_device_put(pdev); |
418 | return ERR_PTR(ret); | 430 | return ERR_PTR(ret); |
419 | } | 431 | } |
420 | 432 | ||
421 | return pdev; | 433 | return pdev; |
422 | } | 434 | } |
423 | EXPORT_SYMBOL_GPL(platform_device_register_resndata); | 435 | EXPORT_SYMBOL_GPL(platform_device_register_full); |
424 | 436 | ||
425 | static int platform_drv_probe(struct device *_dev) | 437 | static int platform_drv_probe(struct device *_dev) |
426 | { | 438 | { |
@@ -614,7 +626,7 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env) | |||
614 | return rc; | 626 | return rc; |
615 | 627 | ||
616 | add_uevent_var(env, "MODALIAS=%s%s", PLATFORM_MODULE_PREFIX, | 628 | add_uevent_var(env, "MODALIAS=%s%s", PLATFORM_MODULE_PREFIX, |
617 | (pdev->id_entry) ? pdev->id_entry->name : pdev->name); | 629 | pdev->name); |
618 | return 0; | 630 | return 0; |
619 | } | 631 | } |
620 | 632 | ||