diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index c74868f01637..b7ae4bf2f549 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -13224,15 +13224,16 @@ static void read_mod_write(struct hfi1_devdata *dd, u16 src, u64 bits, { u64 reg; u16 idx = src / BITS_PER_REGISTER; + unsigned long flags; - spin_lock(&dd->irq_src_lock); + spin_lock_irqsave(&dd->irq_src_lock, flags); reg = read_csr(dd, CCE_INT_MASK + (8 * idx)); if (set) reg |= bits; else reg &= ~bits; write_csr(dd, CCE_INT_MASK + (8 * idx), reg); - spin_unlock(&dd->irq_src_lock); + spin_unlock_irqrestore(&dd->irq_src_lock, flags); } /** |