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From: Zong Li <zongbox@gmail.com>
To: palmer@sifive.com, aou@eecs.berkeley.edu
Cc: vincentc@andestech.com, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org, zong@andestech.com,
	Zong Li <zongbox@gmail.com>
Subject: [PATCH 2/5] RISC-V: Use swiotlb on RV64 only
Date: Tue, 18 Sep 2018 17:19:14 +0800	[thread overview]
Message-ID: <b9b943c21725db9822a787a1e985010012fc33b2.1537260207.git.zongbox@gmail.com> (raw)
In-Reply-To: <cover.1537260207.git.zongbox@gmail.com>

Only RV64 supports swiotlb.

Signed-off-by: Zong Li <zong@andestech.com>
---
 arch/riscv/kernel/setup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index aee6031..872a280 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -227,7 +227,10 @@ void __init setup_arch(char **cmdline_p)
 	setup_bootmem();
 	paging_init();
 	unflatten_device_tree();
+
+#ifdef CONFIG_64bit
 	swiotlb_init(1);
+#endif
 
 #ifdef CONFIG_SMP
 	setup_smp();
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: zongbox@gmail.com (Zong Li)
To: linux-riscv@lists.infradead.org
Subject: [PATCH 2/5] RISC-V: Use swiotlb on RV64 only
Date: Tue, 18 Sep 2018 17:19:14 +0800	[thread overview]
Message-ID: <b9b943c21725db9822a787a1e985010012fc33b2.1537260207.git.zongbox@gmail.com> (raw)
In-Reply-To: <cover.1537260207.git.zongbox@gmail.com>

Only RV64 supports swiotlb.

Signed-off-by: Zong Li <zong@andestech.com>
---
 arch/riscv/kernel/setup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index aee6031..872a280 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -227,7 +227,10 @@ void __init setup_arch(char **cmdline_p)
 	setup_bootmem();
 	paging_init();
 	unflatten_device_tree();
+
+#ifdef CONFIG_64bit
 	swiotlb_init(1);
+#endif
 
 #ifdef CONFIG_SMP
 	setup_smp();
-- 
2.7.4

  parent reply	other threads:[~2018-09-18  9:20 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-18  9:19 [PATCH 0/5] Fix some bugs on RV32 build fail and issue Zong Li
2018-09-18  9:19 ` Zong Li
2018-09-18  9:19 ` [PATCH 1/5] RISC-V: Build tishift only on 64-bit Zong Li
2018-09-18  9:19   ` Zong Li
2018-09-21  6:58   ` Christoph Hellwig
2018-09-21  6:58     ` Christoph Hellwig
2018-09-25  2:33     ` Zong Li
2018-09-25  2:33       ` Zong Li
2018-09-25  2:33       ` Zong Li
2018-09-18  9:19 ` Zong Li [this message]
2018-09-18  9:19   ` [PATCH 2/5] RISC-V: Use swiotlb on RV64 only Zong Li
2018-09-21  6:59   ` Christoph Hellwig
2018-09-21  6:59     ` Christoph Hellwig
2018-09-18  9:19 ` [PATCH 3/5] lib: Add umoddi3 and udivmoddi4 of GCC library routines Zong Li
2018-09-18  9:19   ` Zong Li
2018-09-21  7:00   ` Christoph Hellwig
2018-09-21  7:00     ` Christoph Hellwig
2018-09-25  2:19     ` Zong Li
2018-09-25  2:19       ` Zong Li
2018-09-25  2:19       ` Zong Li
2018-09-25  7:20       ` Andreas Schwab
2018-09-25  7:20         ` Andreas Schwab
2018-09-25  7:20         ` Andreas Schwab
2018-09-26  7:12         ` Zong Li
2018-09-26  7:12           ` Zong Li
2018-09-26  7:12           ` Zong Li
2018-09-25 15:25       ` Christoph Hellwig
2018-09-25 15:25         ` Christoph Hellwig
2018-09-25 15:25         ` Christoph Hellwig
2018-09-26  2:40         ` Zong Li
2018-09-26  2:40           ` Zong Li
2018-09-26  2:40           ` Zong Li
2018-09-18  9:19 ` [PATCH 4/5] RISC-V: Select GENERIC_LIB_UMODDI3 on RV32 Zong Li
2018-09-18  9:19   ` Zong Li
2018-09-18  9:19 ` [PATCH 5/5] RISC-V: Avoid corrupting the upper 32-bit of phys_addr_t in ioremap Zong Li
2018-09-18  9:19   ` Zong Li
2018-09-21  7:00   ` Christoph Hellwig
2018-09-21  7:00     ` Christoph Hellwig

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