diff options
| author | Michael Buesch <mb@bu3sch.de> | 2008-03-30 00:10:50 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-04-08 21:05:57 +0200 |
| commit | 8fe2b65a18e49bfde56a59ed4ab3fc7aa0c2f325 (patch) | |
| tree | a813fe635b7a8c248c586de847d1501c4ccaab6b /drivers/ssb/pcmcia.c | |
| parent | b43: Add PIO support for PCMCIA devices (diff) | |
| download | linux-8fe2b65a18e49bfde56a59ed4ab3fc7aa0c2f325.tar.xz linux-8fe2b65a18e49bfde56a59ed4ab3fc7aa0c2f325.zip | |
ssb: Turn suspend/resume upside down
Turn the SSB bus suspend mechanism upside down.
Instead of deciding by an internal reference count when to suspend/resume,
let the parent bus call us in their suspend/resume routine.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/ssb/pcmcia.c')
| -rw-r--r-- | drivers/ssb/pcmcia.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c index d674cef7210d..dcaf2412bea7 100644 --- a/drivers/ssb/pcmcia.c +++ b/drivers/ssb/pcmcia.c @@ -684,6 +684,29 @@ static int ssb_pcmcia_cor_setup(struct ssb_bus *bus, u8 cor) return 0; } +/* Initialize the PCMCIA hardware. This is called on Init and Resume. */ +int ssb_pcmcia_hardware_setup(struct ssb_bus *bus) +{ + int err; + + if (bus->bustype != SSB_BUSTYPE_PCMCIA) + return 0; + + /* Switch segment to a known state and sync + * bus->mapped_pcmcia_seg with hardware state. */ + ssb_pcmcia_switch_segment(bus, 0); + /* Init the COR register. */ + err = ssb_pcmcia_cor_setup(bus, CISREG_COR); + if (err) + return err; + /* Some cards also need this register to get poked. */ + err = ssb_pcmcia_cor_setup(bus, CISREG_COR + 0x80); + if (err) + return err; + + return 0; +} + void ssb_pcmcia_exit(struct ssb_bus *bus) { if (bus->bustype != SSB_BUSTYPE_PCMCIA) @@ -699,16 +722,7 @@ int ssb_pcmcia_init(struct ssb_bus *bus) if (bus->bustype != SSB_BUSTYPE_PCMCIA) return 0; - /* Switch segment to a known state and sync - * bus->mapped_pcmcia_seg with hardware state. */ - ssb_pcmcia_switch_segment(bus, 0); - - /* Init the COR register. */ - err = ssb_pcmcia_cor_setup(bus, CISREG_COR); - if (err) - goto error; - /* Some cards also need this register to get poked. */ - err = ssb_pcmcia_cor_setup(bus, CISREG_COR + 0x80); + err = ssb_pcmcia_hardware_setup(bus); if (err) goto error; |