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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-14 09:04:36 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-14 09:04:36 +0100
commitfbd533e90d239e17d9427a6481ae60be25680cb7 (patch)
tree72f5b36af33981605eecf92da1516b9b4c37d5a6 /drivers/iommu/amd/init.c
parentc18553956f34819e224a79c9890eba2ba0604e15 (diff)
parent754e0b0e35608ed5206d6a67a791563c631cec07 (diff)
Merge 5.17-rc4 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu/amd/init.c')
-rw-r--r--drivers/iommu/amd/init.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index dc338acf3338..b10fb52ea442 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -21,6 +21,7 @@
#include <linux/export.h>
#include <linux/kmemleak.h>
#include <linux/cc_platform.h>
+#include <linux/iopoll.h>
#include <asm/pci-direct.h>
#include <asm/iommu.h>
#include <asm/apic.h>
@@ -834,6 +835,7 @@ static int iommu_ga_log_enable(struct amd_iommu *iommu)
status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET);
if (status & (MMIO_STATUS_GALOG_RUN_MASK))
break;
+ udelay(10);
}
if (WARN_ON(i >= LOOP_TIMEOUT))