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ssb: pci: early fix for SPROM core index 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2011-04-27 18:21:34 +02:00 committed by John W. Linville
parent 5890a3ca34
commit af335a6cbc
1 changed files with 12 additions and 0 deletions
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12
drivers/ssb/driver_pcicore.c
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@ -414,6 +414,16 @@ static int pcicore_is_in_hostmode(struct ssb_pcicore *pc)
* Workarounds.
**************************************************/
static void ssb_pcicore_fix_sprom_core_index(struct ssb_pcicore *pc)
{
u16 tmp = pcicore_read16(pc, SSB_PCICORE_SPROM(0));
if (((tmp & 0xF000) >> 12) != pc->dev->core_index) {
tmp &= ~0xF000;
tmp |= (pc->dev->core_index << 12);
pcicore_write16(pc, SSB_PCICORE_SPROM(0), tmp);
}
}
static u8 ssb_pcicore_polarity_workaround(struct ssb_pcicore *pc)
{
return (ssb_pcie_read(pc, 0x204) & 0x10) ? 0xC0 : 0x80;
@ -521,6 +531,8 @@ void ssb_pcicore_init(struct ssb_pcicore *pc)
if (!ssb_device_is_enabled(dev))
ssb_device_enable(dev, 0);
ssb_pcicore_fix_sprom_core_index(pc);
#ifdef CONFIG_SSB_PCICORE_HOSTMODE
pc->hostmode = pcicore_is_in_hostmode(pc);
if (pc->hostmode)