diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2011-07-08 07:17:27 +0200 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-07-08 07:21:36 +0200 |
| commit | 314b02f503c2c219fde0fcf6f086fda415f8a847 (patch) | |
| tree | 7f41ae421e6cb11d821175465b1346851a600292 /arch | |
| parent | driver core: Add ability for arch code to setup pdev_archdata (diff) | |
| download | linux-314b02f503c2c219fde0fcf6f086fda415f8a847.tar.xz linux-314b02f503c2c219fde0fcf6f086fda415f8a847.zip | |
powerpc: implement arch_setup_pdev_archdata
We have a long standing issues with platform devices not have a valid
dma_mask pointer. This hasn't been an issue to date as no platform
device has tried to set its dma_mask value to a non-default value.
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/setup-common.c | 28 |
1 files changed, 4 insertions, 24 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index e053b1641de3..c600faf114d7 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -709,29 +709,9 @@ void ppc_printk_progress(char *s, unsigned short hex) pr_info("%s\n", s); } -static int ppc_dflt_bus_notify(struct notifier_block *nb, - unsigned long action, void *data) +void arch_setup_pdev_archdata(struct platform_device *pdev) { - struct device *dev = data; - - /* We are only intereted in device addition */ - if (action != BUS_NOTIFY_ADD_DEVICE) - return 0; - - set_dma_ops(dev, &dma_direct_ops); - - return NOTIFY_DONE; -} - -static struct notifier_block ppc_dflt_plat_bus_notifier = { - .notifier_call = ppc_dflt_bus_notify, - .priority = INT_MAX, -}; - -static int __init setup_bus_notifier(void) -{ - bus_register_notifier(&platform_bus_type, &ppc_dflt_plat_bus_notifier); - return 0; + pdev->archdata.dma_mask = DMA_BIT_MASK(32); + pdev->dev.dma_mask = &pdev->archdata.dma_mask; + set_dma_ops(&pdev->dev, &dma_direct_ops); } - -arch_initcall(setup_bus_notifier); |