diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-03-18 10:37:43 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-18 10:37:43 +0100 |
commit | 04dfcfcb54b073133bcca2c8f25b55e904558931 (patch) | |
tree | 123d13f9e242751f629924e92fcb297dc669d767 /drivers/parisc/sba_iommu.c | |
parent | 0bd5c4f7c874cf48ff7904dcf8a59988c8fea0e8 (diff) | |
parent | ee568b25ee9e160b32d1aef73d8b2ee9c05d34db (diff) |
Merge branch 'linus' into core/iommu
Diffstat (limited to 'drivers/parisc/sba_iommu.c')
-rw-r--r-- | drivers/parisc/sba_iommu.c | 63 |
1 files changed, 35 insertions, 28 deletions
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index a70cf16ee1a..e5999c4cedc 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -1206,30 +1206,48 @@ sba_alloc_pdir(unsigned int pdir_size) return (void *) pdir_base; } -static struct device *next_device(struct klist_iter *i) +struct ibase_data_struct { + struct ioc *ioc; + int ioc_num; +}; + +static int setup_ibase_imask_callback(struct device *dev, void *data) { - struct klist_node * n = klist_next(i); - return n ? container_of(n, struct device, knode_parent) : NULL; + /* lba_set_iregs() is in drivers/parisc/lba_pci.c */ + extern void lba_set_iregs(struct parisc_device *, u32, u32); + struct parisc_device *lba = to_parisc_device(dev); + struct ibase_data_struct *ibd = data; + int rope_num = (lba->hpa.start >> 13) & 0xf; + if (rope_num >> 3 == ibd->ioc_num) + lba_set_iregs(lba, ibd->ioc->ibase, ibd->ioc->imask); + return 0; } /* setup Mercury or Elroy IBASE/IMASK registers. */ static void setup_ibase_imask(struct parisc_device *sba, struct ioc *ioc, int ioc_num) { - /* lba_set_iregs() is in drivers/parisc/lba_pci.c */ - extern void lba_set_iregs(struct parisc_device *, u32, u32); - struct device *dev; - struct klist_iter i; - - klist_iter_init(&sba->dev.klist_children, &i); - while ((dev = next_device(&i))) { - struct parisc_device *lba = to_parisc_device(dev); - int rope_num = (lba->hpa.start >> 13) & 0xf; - if (rope_num >> 3 == ioc_num) - lba_set_iregs(lba, ioc->ibase, ioc->imask); - } - klist_iter_exit(&i); + struct ibase_data_struct ibase_data = { + .ioc = ioc, + .ioc_num = ioc_num, + }; + + device_for_each_child(&sba->dev, &ibase_data, + setup_ibase_imask_callback); +} + +#ifdef SBA_AGP_SUPPORT +static int +sba_ioc_find_quicksilver(struct device *dev, void *data) +{ + int *agp_found = data; + struct parisc_device *lba = to_parisc_device(dev); + + if (IS_QUICKSILVER(lba)) + *agp_found = 1; + return 0; } +#endif static void sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num) @@ -1332,9 +1350,6 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num) WRITE_REG(ioc->ibase | 31, ioc->ioc_hpa + IOC_PCOM); #ifdef SBA_AGP_SUPPORT -{ - struct klist_iter i; - struct device *dev = NULL; /* ** If an AGP device is present, only use half of the IOV space @@ -1344,13 +1359,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num) ** We program the next pdir index after we stop w/ a key for ** the GART code to handshake on. */ - klist_iter_init(&sba->dev.klist_children, &i); - while ((dev = next_device(&i))) { - struct parisc_device *lba = to_parisc_device(dev); - if (IS_QUICKSILVER(lba)) - agp_found = 1; - } - klist_iter_exit(&i); + device_for_each_child(&sba->dev, &agp_found, sba_ioc_find_quicksilver); if (agp_found && sba_reserve_agpgart) { printk(KERN_INFO "%s: reserving %dMb of IOVA space for agpgart\n", @@ -1358,9 +1367,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num) ioc->pdir_size /= 2; ioc->pdir_base[PDIR_INDEX(iova_space_size/2)] = SBA_AGPGART_COOKIE; } -} #endif /*SBA_AGP_SUPPORT*/ - } static void |