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| author | Rafał Miłecki <zajec5@gmail.com> | 2011-05-11 02:10:58 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-05-11 14:50:41 -0400 |
| commit | 8576f815d5c8beb8b10f96abe31831b90af3d352 (patch) | |
| tree | 5c600a151f8a508434e20d8ade1579c0c4cec696 /drivers/ssb/main.c | |
| parent | 1073e4ee595265086a592a056d903bf4fcc8885a (diff) | |
| download | kernel_samsung_smdk4412-8576f815d5c8beb8b10f96abe31831b90af3d352.zip kernel_samsung_smdk4412-8576f815d5c8beb8b10f96abe31831b90af3d352.tar.gz kernel_samsung_smdk4412-8576f815d5c8beb8b10f96abe31831b90af3d352.tar.bz2 | |
ssb: move ssb_commit_settings and export it
Commiting settings is possible on devices without PCI core (but with CC
core). Export it for usage in drivers supporting other cores.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/ssb/main.c')
| -rw-r--r-- | drivers/ssb/main.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index ad3da93..ee2937c 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -1329,6 +1329,31 @@ error: } EXPORT_SYMBOL(ssb_bus_powerup); +static void ssb_broadcast_value(struct ssb_device *dev, + u32 address, u32 data) +{ + /* This is used for both, PCI and ChipCommon core, so be careful. */ + BUILD_BUG_ON(SSB_PCICORE_BCAST_ADDR != SSB_CHIPCO_BCAST_ADDR); + BUILD_BUG_ON(SSB_PCICORE_BCAST_DATA != SSB_CHIPCO_BCAST_DATA); + + ssb_write32(dev, SSB_PCICORE_BCAST_ADDR, address); + ssb_read32(dev, SSB_PCICORE_BCAST_ADDR); /* flush */ + ssb_write32(dev, SSB_PCICORE_BCAST_DATA, data); + ssb_read32(dev, SSB_PCICORE_BCAST_DATA); /* flush */ +} + +void ssb_commit_settings(struct ssb_bus *bus) +{ + struct ssb_device *dev; + + dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev; + if (WARN_ON(!dev)) + return; + /* This forces an update of the cached registers. */ + ssb_broadcast_value(dev, 0xFD8, 0); +} +EXPORT_SYMBOL(ssb_commit_settings); + u32 ssb_admatch_base(u32 adm) { u32 base = 0; |