MIPS: Octeon: Replace spinlock with raw_spinlocks in dma-octeon.c.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/973/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c
index 4b92bfc..be531ec 100644
--- a/arch/mips/cavium-octeon/dma-octeon.c
+++ b/arch/mips/cavium-octeon/dma-octeon.c
@@ -41,7 +41,7 @@
};
#ifdef CONFIG_PCI
-static DEFINE_SPINLOCK(bar1_lock);
+static DEFINE_RAW_SPINLOCK(bar1_lock);
static struct bar1_index_state bar1_state[32];
#endif
@@ -198,7 +198,7 @@
start_index = 31;
/* Only one processor can access the Bar register at once */
- spin_lock_irqsave(&bar1_lock, flags);
+ raw_spin_lock_irqsave(&bar1_lock, flags);
/* Look through Bar1 for existing mapping that will work */
for (index = start_index; index >= 0; index--) {
@@ -250,7 +250,7 @@
(unsigned long long) physical);
done_unlock:
- spin_unlock_irqrestore(&bar1_lock, flags);
+ raw_spin_unlock_irqrestore(&bar1_lock, flags);
done:
pr_debug("dma_map_single 0x%llx->0x%llx\n", physical, result);
return result;
@@ -324,14 +324,14 @@
"Attempt to unmap an invalid address (0x%llx)\n",
dma_addr);
- spin_lock_irqsave(&bar1_lock, flags);
+ raw_spin_lock_irqsave(&bar1_lock, flags);
bar1_state[index].ref_count--;
if (bar1_state[index].ref_count == 0)
octeon_npi_write32(CVMX_NPI_PCI_BAR1_INDEXX(index), 0);
else if (unlikely(bar1_state[index].ref_count < 0))
panic("dma_unmap_single: Bar1[%u] reference count < 0\n",
(int) index);
- spin_unlock_irqrestore(&bar1_lock, flags);
+ raw_spin_unlock_irqrestore(&bar1_lock, flags);
done:
pr_debug("dma_unmap_single 0x%llx\n", dma_addr);
return;