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authorMichael Buesch <mb@bu3sch.de>2008-02-19 16:22:50 +0100
committerJohn W. Linville <linville@tuxdriver.com>2008-02-20 20:11:49 -0500
commit53521d8c90d366191b6c134f88a8ebe83de60614 (patch)
tree2d4b8bed0db743927586389ab035aab816d22f36 /drivers/ssb/main.c
parentc2bcbe65fc88d61f9a806367ff6eab76c9eabb3a (diff)
downloadblackbird-op-linux-53521d8c90d366191b6c134f88a8ebe83de60614.tar.gz
blackbird-op-linux-53521d8c90d366191b6c134f88a8ebe83de60614.zip
ssb: Make the GPIO API reentrancy safe
This fixes the GPIO API to be reentrancy safe. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/ssb/main.c')
-rw-r--r--drivers/ssb/main.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 9028ed5715a1..af07ab22708f 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -569,6 +569,9 @@ static int ssb_bus_register(struct ssb_bus *bus,
spin_lock_init(&bus->bar_lock);
INIT_LIST_HEAD(&bus->list);
+#ifdef CONFIG_SSB_EMBEDDED
+ spin_lock_init(&bus->gpio_lock);
+#endif
/* Powerup the bus */
err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
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