Skip to content

R
raspberrypi-kernel

openeuler / raspberrypi-kernel

通知 13
Star 1
Fork 0
R
raspberrypi-kernel
提交 2f72ba43 编写于 作者: R Raymond Burns 提交者： David S. Miller
浏览文件
操作

[SPARC]: Initialize iounit spinlock in iounit_init(). 

Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 9d7ab1f4
隐藏空白更改
内联 并排
Showing with 1 addition and 0 deletion
arch/sparc/mm/io-unit.c
浏览文件 @ 2f72ba43
...@@ -64,6 +64,7 @@ iounit_init(int sbi_node, int io_node, struct sbus_bus *sbus) ...@@ -64,6 +64,7 @@ iounit_init(int sbi_node, int io_node, struct sbus_bus *sbus)
sbus->iommu = (struct iommu_struct *)iounit; sbus->iommu = (struct iommu_struct *)iounit;
iounit->page_table = xpt; iounit->page_table = xpt;
spin_lock_init(&iounit->lock);
for (xptend = iounit->page_table + (16 * PAGE_SIZE) / sizeof(iopte_t); for (xptend = iounit->page_table + (16 * PAGE_SIZE) / sizeof(iopte_t);
xpt < xptend;) xpt < xptend;)
......
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或