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Message-ID: <202510110829.1yKzYvIP-lkp@intel.com>
Date: Sat, 11 Oct 2025 08:39:07 +0800
From: kernel test robot <lkp@...el.com>
To: hehuan1@...incomputing.com, ulf.hansson@...aro.org, robh@...nel.org,
krzk+dt@...nel.org, conor+dt@...nel.org, jszhang@...nel.org,
adrian.hunter@...el.com, p.zabel@...gutronix.de,
linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
ningyu@...incomputing.com, linmin@...incomputing.com,
pinkesh.vaghela@...fochips.com, xuxiang@...incomputing.com,
luyulin@...incomputing.com, dongxuyang@...incomputing.com,
zhangsenchuan@...incomputing.com, weishangjuan@...incomputing.com,
lizhi2@...incomputing.com, caohang@...incomputing.com,
hehuan1@...incomputing.com
Subject: Re: [PATCH v3 2/2] mmc: sdhci-of-dwcmshc: Add support for Eswin
EIC7700
Hi,
kernel test robot noticed the following build errors:
[auto build test ERROR on linus/master]
[also build test ERROR on ulf-hansson-mmc-mirror/next v6.17 next-20251010]
[cannot apply to robh/for-next pza/reset/next pza/imx-drm/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/hehuan1-eswincomputing-com/dt-bindings-mmc-sdhci-of-dwcmshc-Add-Eswin-EIC7700/20251010-174323
base: linus/master
patch link: https://lore.kernel.org/r/20251010094109.1613-1-hehuan1%40eswincomputing.com
patch subject: [PATCH v3 2/2] mmc: sdhci-of-dwcmshc: Add support for Eswin EIC7700
config: riscv-randconfig-001-20251011 (https://download.01.org/0day-ci/archive/20251011/202510110829.1yKzYvIP-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251011/202510110829.1yKzYvIP-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510110829.1yKzYvIP-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/mmc/host/sdhci-of-dwcmshc.c:15:
In file included from include/linux/dma-mapping.h:8:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:140:
include/asm-generic/io.h:838:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
838 | insb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:108:53: note: expanded from macro 'insb'
108 | #define insb(addr, buffer, count) __insb(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/mmc/host/sdhci-of-dwcmshc.c:15:
In file included from include/linux/dma-mapping.h:8:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:140:
include/asm-generic/io.h:846:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
846 | insw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:109:53: note: expanded from macro 'insw'
109 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/mmc/host/sdhci-of-dwcmshc.c:15:
In file included from include/linux/dma-mapping.h:8:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:140:
include/asm-generic/io.h:854:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
854 | insl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:110:53: note: expanded from macro 'insl'
110 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/mmc/host/sdhci-of-dwcmshc.c:15:
In file included from include/linux/dma-mapping.h:8:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:140:
include/asm-generic/io.h:863:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
863 | outsb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:122:55: note: expanded from macro 'outsb'
122 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/mmc/host/sdhci-of-dwcmshc.c:15:
In file included from include/linux/dma-mapping.h:8:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:140:
include/asm-generic/io.h:872:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
872 | outsw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:123:55: note: expanded from macro 'outsw'
123 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/mmc/host/sdhci-of-dwcmshc.c:15:
In file included from include/linux/dma-mapping.h:8:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:140:
include/asm-generic/io.h:881:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
881 | outsl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:124:55: note: expanded from macro 'outsl'
124 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/mmc/host/sdhci-of-dwcmshc.c:15:
In file included from include/linux/dma-mapping.h:8:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:140:
include/asm-generic/io.h:1209:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1209 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
>> drivers/mmc/host/sdhci-of-dwcmshc.c:300:13: error: redefinition of 'dwcmshc_enable_card_clk'
300 | static void dwcmshc_enable_card_clk(struct sdhci_host *host)
| ^
drivers/mmc/host/sdhci-of-dwcmshc.c:289:13: note: previous definition is here
289 | static void dwcmshc_enable_card_clk(struct sdhci_host *host)
| ^
>> drivers/mmc/host/sdhci-of-dwcmshc.c:1179:2: error: call to undeclared function 'dwcmshc_disable_card_clk'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1179 | dwcmshc_disable_card_clk(host);
| ^
drivers/mmc/host/sdhci-of-dwcmshc.c:1179:2: note: did you mean 'dwcmshc_enable_card_clk'?
drivers/mmc/host/sdhci-of-dwcmshc.c:300:13: note: 'dwcmshc_enable_card_clk' declared here
300 | static void dwcmshc_enable_card_clk(struct sdhci_host *host)
| ^
drivers/mmc/host/sdhci-of-dwcmshc.c:1988:2: error: call to undeclared function 'dwcmshc_disable_card_clk'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1988 | dwcmshc_disable_card_clk(host);
| ^
drivers/mmc/host/sdhci-of-dwcmshc.c:2070:2: error: call to undeclared function 'dwcmshc_disable_card_clk'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2070 | dwcmshc_disable_card_clk(host);
| ^
7 warnings and 4 errors generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for ARCH_HAS_ELF_CORE_EFLAGS
Depends on [n]: BINFMT_ELF [=n] && ELF_CORE [=y]
Selected by [y]:
- RISCV [=y]
vim +/dwcmshc_enable_card_clk +300 drivers/mmc/host/sdhci-of-dwcmshc.c
299
> 300 static void dwcmshc_enable_card_clk(struct sdhci_host *host)
301 {
302 u16 ctrl;
303
304 ctrl = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
305 if ((ctrl & SDHCI_CLOCK_INT_EN) && !(ctrl & SDHCI_CLOCK_CARD_EN)) {
306 ctrl |= SDHCI_CLOCK_CARD_EN;
307 sdhci_writew(host, ctrl, SDHCI_CLOCK_CONTROL);
308 }
309 }
310
--
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https://github.com/intel/lkp-tests/wiki
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