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x86: Use the IRQ device when setting up the mptable

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Instead of searching for the device tree node, use the IRQ device which has
a record of it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2016-01-19 21:32:28 -07:00
committed by Bin Meng
parent d3b884b294
commit b565d66d2c
2 changed files with 11 additions and 19 deletions
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14
arch/x86/lib/mpspec.c
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@@ -292,19 +292,19 @@ static int mptable_add_intsrc(struct mp_config_table *mc,
struct mpc_config_intsrc *intsrc_base;
int intsrc_entries = 0;
const void *blob = gd->fdt_blob;
int node;
struct udevice *dev;
int len, count;
const u32 *cell;
int i;
int i, ret;
/* Get I/O interrupt information from device tree */
node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_IRQ_ROUTER);
if (node < 0) {
ret = uclass_first_device(UCLASS_IRQ, &dev);
if (ret && ret != -ENODEV) {
debug("%s: Cannot find irq router node\n", __func__);
return -ENOENT;
return ret;
}
cell = fdt_getprop(blob, node, "intel,pirq-routing", &len);
/* Get I/O interrupt information from device tree */
cell = fdt_getprop(blob, dev->of_offset, "intel,pirq-routing", &len);
if (!cell)
return -ENOENT;