From: "BillXiang" <xiangwencheng@lanxincomputing.com>
To: <sunilvl@ventanamicro.com>
Cc: <rafael@kernel.org>, <lenb@kernel.org>, <pjw@kernel.org>,
<palmer@dabbelt.com>, <aou@eecs.berkeley.edu>, <alex@ghiti.fr>,
<linux-acpi@vger.kernel.org>, <linux-riscv@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <iommu@lists.linux.dev>,
<tjeznach@rivosinc.com>, <luxu.kernel@bytedance.com>,
<guoren@linux.alibaba.com>, <jgg@nvidia.com>,
<xiangwencheng@lanxincomputing.com>
Subject: [PATCH] riscv: iommu: ask for ACS to be enabled
Date: Wed, 16 Sep 2026 19:25:45 +0800 [thread overview]
Message-ID: <20260916112545.887461-1-xiangwencheng@lanxincomputing.com> (raw)
Make sure ACS will be enabled during PCI probe
Signed-off-by: BillXiang <xiangwencheng@lanxincomputing.com>
---
drivers/acpi/riscv/rimt.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/acpi/riscv/rimt.c b/drivers/acpi/riscv/rimt.c
index e4538fa6c2c8..30d2d0211d5e 100644
--- a/drivers/acpi/riscv/rimt.c
+++ b/drivers/acpi/riscv/rimt.c
@@ -525,4 +525,5 @@ void __init riscv_acpi_rimt_init(void)
return;
}
+ pci_request_acs();
}
--
2.53.0
next reply other threads:[~2026-09-16 11:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-16 11:25 BillXiang [this message]
2026-09-16 12:18 ` Sunil V L
2026-09-17 2:04 ` BillXiang
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