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| author | H. Peter Anvin <hpa@zytor.com> | 2010-02-11 00:55:28 (GMT) |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-11 00:55:28 (GMT) |
| commit | 84abd88a70090cf00f9e45c3a81680874f17626e (patch) | |
| tree | 4f58b80057f6e1f5817af1dc33a5458b3dfc9a99 /include/linux/ssb | |
| parent | 13ca0fcaa33f6b1984c4111b6ec5df42689fea6f (diff) | |
| parent | e28cab42f384745c8a947a9ccd51e4aae52f5d51 (diff) | |
| download | linux-fsl-qoriq-84abd88a70090cf00f9e45c3a81680874f17626e.tar.xz | |
Merge remote branch 'linus/master' into x86/bootmem
Diffstat (limited to 'include/linux/ssb')
| -rw-r--r-- | include/linux/ssb/ssb.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index 3d0a9ff..24f9885 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -269,7 +269,8 @@ struct ssb_bus { const struct ssb_bus_ops *ops; - /* The core in the basic address register window. (PCI bus only) */ + /* The core currently mapped into the MMIO window. + * Not valid on all host-buses. So don't use outside of SSB. */ struct ssb_device *mapped_device; union { /* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */ @@ -281,14 +282,17 @@ struct ssb_bus { * On PCMCIA-host busses this is used to protect the whole MMIO access. */ spinlock_t bar_lock; - /* The bus this backplane is running on. */ + /* The host-bus this backplane is running on. */ enum ssb_bustype bustype; - /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */ - struct pci_dev *host_pci; - /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */ - struct pcmcia_device *host_pcmcia; - /* Pointer to the SDIO device (only if bustype == SSB_BUSTYPE_SDIO). */ - struct sdio_func *host_sdio; + /* Pointers to the host-bus. Check bustype before using any of these pointers. */ + union { + /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */ + struct pci_dev *host_pci; + /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */ + struct pcmcia_device *host_pcmcia; + /* Pointer to the SDIO device (only if bustype == SSB_BUSTYPE_SDIO). */ + struct sdio_func *host_sdio; + }; /* See enum ssb_quirks */ unsigned int quirks; |