Re: [PATCH v8 4/5] iommu/mediatek: Add mt8173 IOMMU driver
From: kbuild test robot
Date: Tue Jan 26 2016 - 10:31:30 EST
Hi Yong,
[auto build test ERROR on robh/for-next]
[also build test ERROR on v4.5-rc1 next-20160125]
[cannot apply to iommu/next]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Yong-Wu/MT8173-IOMMU-SUPPORT/20160126-201633
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux for-next
config: arm64-allyesconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm64
All error/warnings (new ones prefixed by >>):
drivers/iommu/mtk_iommu.c: In function 'mtk_iommu_domain_finalise':
>> drivers/iommu/mtk_iommu.c:246:4: error: 'IO_PGTABLE_QUIRK_NO_PERMS' undeclared (first use in this function)
IO_PGTABLE_QUIRK_NO_PERMS |
^
drivers/iommu/mtk_iommu.c:246:4: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/iommu/mtk_iommu.c:247:4: error: 'IO_PGTABLE_QUIRK_TLBI_ON_MAP' undeclared (first use in this function)
IO_PGTABLE_QUIRK_TLBI_ON_MAP,
^
>> drivers/iommu/mtk_iommu.c:255:34: error: 'ARM_V7S' undeclared (first use in this function)
dom->iop = alloc_io_pgtable_ops(ARM_V7S, &dom->cfg, data);
^
In file included from include/linux/swab.h:4:0,
from include/uapi/linux/byteorder/big_endian.h:12,
from include/linux/byteorder/big_endian.h:4,
from arch/arm64/include/uapi/asm/byteorder.h:20,
from include/asm-generic/bitops/le.h:5,
from arch/arm64/include/asm/bitops.h:50,
from include/linux/bitops.h:36,
from include/linux/kernel.h:10,
from include/linux/clk.h:16,
from drivers/iommu/mtk_iommu.c:14:
>> drivers/iommu/mtk_iommu.c:264:27: error: 'struct io_pgtable_cfg' has no member named 'arm_v7s_cfg'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
include/uapi/linux/swab.h:115:32: note: in definition of macro '__swab32'
(__builtin_constant_p((__u32)(x)) ? \
^
include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32'
#define cpu_to_le32 __cpu_to_le32
^
>> arch/arm64/include/asm/io.h:142:36: note: in expansion of macro 'writel_relaxed'
#define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); })
^
>> drivers/iommu/mtk_iommu.c:264:2: note: in expansion of macro 'writel'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
>> drivers/iommu/mtk_iommu.c:264:27: error: 'struct io_pgtable_cfg' has no member named 'arm_v7s_cfg'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
include/uapi/linux/swab.h:17:12: note: in definition of macro '___constant_swab32'
(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
^
include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab32'
#define __cpu_to_le32(x) ((__force __le32)__swab32((x)))
^
include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32'
#define cpu_to_le32 __cpu_to_le32
^
>> arch/arm64/include/asm/io.h:142:36: note: in expansion of macro 'writel_relaxed'
#define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); })
^
>> drivers/iommu/mtk_iommu.c:264:2: note: in expansion of macro 'writel'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
>> drivers/iommu/mtk_iommu.c:264:27: error: 'struct io_pgtable_cfg' has no member named 'arm_v7s_cfg'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
include/uapi/linux/swab.h:18:12: note: in definition of macro '___constant_swab32'
(((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
^
include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab32'
#define __cpu_to_le32(x) ((__force __le32)__swab32((x)))
^
include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32'
#define cpu_to_le32 __cpu_to_le32
^
>> arch/arm64/include/asm/io.h:142:36: note: in expansion of macro 'writel_relaxed'
#define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); })
^
>> drivers/iommu/mtk_iommu.c:264:2: note: in expansion of macro 'writel'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
>> drivers/iommu/mtk_iommu.c:264:27: error: 'struct io_pgtable_cfg' has no member named 'arm_v7s_cfg'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
include/uapi/linux/swab.h:19:12: note: in definition of macro '___constant_swab32'
(((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
^
include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab32'
#define __cpu_to_le32(x) ((__force __le32)__swab32((x)))
^
include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32'
#define cpu_to_le32 __cpu_to_le32
^
>> arch/arm64/include/asm/io.h:142:36: note: in expansion of macro 'writel_relaxed'
#define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); })
^
>> drivers/iommu/mtk_iommu.c:264:2: note: in expansion of macro 'writel'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
>> drivers/iommu/mtk_iommu.c:264:27: error: 'struct io_pgtable_cfg' has no member named 'arm_v7s_cfg'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
include/uapi/linux/swab.h:20:12: note: in definition of macro '___constant_swab32'
(((__u32)(x) & (__u32)0xff000000UL) >> 24)))
^
include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab32'
#define __cpu_to_le32(x) ((__force __le32)__swab32((x)))
^
include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32'
#define cpu_to_le32 __cpu_to_le32
^
>> arch/arm64/include/asm/io.h:142:36: note: in expansion of macro 'writel_relaxed'
#define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); })
^
>> drivers/iommu/mtk_iommu.c:264:2: note: in expansion of macro 'writel'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
>> drivers/iommu/mtk_iommu.c:264:27: error: 'struct io_pgtable_cfg' has no member named 'arm_v7s_cfg'
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
^
include/uapi/linux/swab.h:117:12: note: in definition of macro '__swab32'
__fswab32(x))
^
include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32'
#define cpu_to_le32 __cpu_to_le32
^
>> arch/arm64/include/asm/io.h:142:36: note: in expansion of macro 'writel_relaxed'
#define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); })
^
vim +/IO_PGTABLE_QUIRK_NO_PERMS +246 drivers/iommu/mtk_iommu.c
240 struct mtk_iommu_domain *dom = data->m4u_dom;
241
242 spin_lock_init(&dom->pgtlock);
243
244 dom->cfg = (struct io_pgtable_cfg) {
245 .quirks = IO_PGTABLE_QUIRK_ARM_NS |
> 246 IO_PGTABLE_QUIRK_NO_PERMS |
> 247 IO_PGTABLE_QUIRK_TLBI_ON_MAP,
248 .pgsize_bitmap = mtk_iommu_ops.pgsize_bitmap,
249 .ias = 32,
250 .oas = 32,
251 .tlb = &mtk_iommu_gather_ops,
252 .iommu_dev = data->dev,
253 };
254
> 255 dom->iop = alloc_io_pgtable_ops(ARM_V7S, &dom->cfg, data);
256 if (!dom->iop) {
257 dev_err(data->dev, "Failed to alloc io pgtable\n");
258 return -EINVAL;
259 }
260
261 /* Update our support page sizes bitmap */
262 mtk_iommu_ops.pgsize_bitmap = dom->cfg.pgsize_bitmap;
263
> 264 writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
265 data->base + REG_MMU_PT_BASE_ADDR);
266 return 0;
267 }
---
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