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authorJohn W. Linville <linville@tuxdriver.com>2011-02-22 15:10:22 -0500
committerJohn W. Linville <linville@tuxdriver.com>2011-02-22 15:10:22 -0500
commit5db5e44cdcdc5ee9cc821bd4d63445af0bb34bce (patch)
treeb5e5787a6d5c15e589d275c7434ebbf341257234 /drivers/ssb
parentdb62983a1e4b2af9e79c97af768f0c8b80bd93f0 (diff)
parent320d6c1b56de5f461c6062625b9664095f90ee95 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/ssb')
-rw-r--r--drivers/ssb/main.c44
-rw-r--r--drivers/ssb/pci.c6
2 files changed, 36 insertions, 14 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 3918d2cc5856..e05ba6eefc7e 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -1192,10 +1192,10 @@ void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags)
}
EXPORT_SYMBOL(ssb_device_enable);
-/* Wait for a bit in a register to get set or unset.
+/* Wait for bitmask in a register to get set or cleared.
* timeout is in units of ten-microseconds */
-static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask,
- int timeout, int set)
+static int ssb_wait_bits(struct ssb_device *dev, u16 reg, u32 bitmask,
+ int timeout, int set)
{
int i;
u32 val;
@@ -1203,7 +1203,7 @@ static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask,
for (i = 0; i < timeout; i++) {
val = ssb_read32(dev, reg);
if (set) {
- if (val & bitmask)
+ if ((val & bitmask) == bitmask)
return 0;
} else {
if (!(val & bitmask))
@@ -1220,20 +1220,38 @@ static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask,
void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags)
{
- u32 reject;
+ u32 reject, val;
if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_RESET)
return;
reject = ssb_tmslow_reject_bitmask(dev);
- ssb_write32(dev, SSB_TMSLOW, reject | SSB_TMSLOW_CLOCK);
- ssb_wait_bit(dev, SSB_TMSLOW, reject, 1000, 1);
- ssb_wait_bit(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0);
- ssb_write32(dev, SSB_TMSLOW,
- SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK |
- reject | SSB_TMSLOW_RESET |
- core_specific_flags);
- ssb_flush_tmslow(dev);
+
+ if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_CLOCK) {
+ ssb_write32(dev, SSB_TMSLOW, reject | SSB_TMSLOW_CLOCK);
+ ssb_wait_bits(dev, SSB_TMSLOW, reject, 1000, 1);
+ ssb_wait_bits(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0);
+
+ if (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_INITIATOR) {
+ val = ssb_read32(dev, SSB_IMSTATE);
+ val |= SSB_IMSTATE_REJECT;
+ ssb_write32(dev, SSB_IMSTATE, val);
+ ssb_wait_bits(dev, SSB_IMSTATE, SSB_IMSTATE_BUSY, 1000,
+ 0);
+ }
+
+ ssb_write32(dev, SSB_TMSLOW,
+ SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK |
+ reject | SSB_TMSLOW_RESET |
+ core_specific_flags);
+ ssb_flush_tmslow(dev);
+
+ if (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_INITIATOR) {
+ val = ssb_read32(dev, SSB_IMSTATE);
+ val &= ~SSB_IMSTATE_REJECT;
+ ssb_write32(dev, SSB_IMSTATE, val);
+ }
+ }
ssb_write32(dev, SSB_TMSLOW,
reject | SSB_TMSLOW_RESET |
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index 158449e55044..a467b20baac8 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -468,10 +468,14 @@ static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
SPEX(country_code, SSB_SPROM4_CCODE, 0xFFFF, 0);
SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0);
SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0);
+ SPEX(boardflags2_lo, SSB_SPROM4_BFL2LO, 0xFFFF, 0);
+ SPEX(boardflags2_hi, SSB_SPROM4_BFL2HI, 0xFFFF, 0);
} else {
SPEX(country_code, SSB_SPROM5_CCODE, 0xFFFF, 0);
SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0);
SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 0xFFFF, 0);
+ SPEX(boardflags2_lo, SSB_SPROM5_BFL2LO, 0xFFFF, 0);
+ SPEX(boardflags2_hi, SSB_SPROM5_BFL2HI, 0xFFFF, 0);
}
SPEX(ant_available_a, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_A,
SSB_SPROM4_ANTAVAIL_A_SHIFT);
@@ -641,7 +645,7 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
break;
default:
ssb_printk(KERN_WARNING PFX "Unsupported SPROM"
- " revision %d detected. Will extract"
+ " revision %d detected. Will extract"
" v1\n", out->revision);
out->revision = 1;
sprom_extract_r123(out, in);