arch/arm/mach-mvebu/pmsu.c:145:9: sparse: sparse: incorrect type in argument 1 (different address spaces)
From: kernel test robot
Date: Fri Aug 12 2022 - 08:09:49 EST
Hi Arnd,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7ebfc85e2cd7b08f518b526173e9a33b56b3913b
commit: 09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8 ARM: dove: multiplatform support
date: 4 months ago
config: arm-randconfig-s051-20220811 (https://download.01.org/0day-ci/archive/20220812/202208121906.8R3iBMLM-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mach-mvebu/ drivers/soc/bcm/brcmstb/pm/ drivers/soc/ti/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>
sparse warnings: (new ones prefixed by >>)
>> arch/arm/mach-mvebu/pmsu.c:145:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *[assigned] sram_virt_base @@
arch/arm/mach-mvebu/pmsu.c:145:9: sparse: expected void const *
arch/arm/mach-mvebu/pmsu.c:145:9: sparse: got void [noderef] __iomem *[assigned] sram_virt_base
>> arch/arm/mach-mvebu/pmsu.c:145:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *[assigned] sram_virt_base @@
arch/arm/mach-mvebu/pmsu.c:145:9: sparse: expected void const *
arch/arm/mach-mvebu/pmsu.c:145:9: sparse: got void [noderef] __iomem *[assigned] sram_virt_base
arch/arm/mach-mvebu/pmsu.c:145:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *[assigned] sram_virt_base @@
arch/arm/mach-mvebu/pmsu.c:145:9: sparse: expected void *
arch/arm/mach-mvebu/pmsu.c:145:9: sparse: got void [noderef] __iomem *[assigned] sram_virt_base
--
>> drivers/soc/ti/knav_dma.c:539:31: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] __iomem * @@ got void * @@
drivers/soc/ti/knav_dma.c:539:31: sparse: expected void [noderef] __iomem *
drivers/soc/ti/knav_dma.c:539:31: sparse: got void *
--
>> drivers/soc/bcm/brcmstb/pm/pm-arm.c:366:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] boot_sram @@
drivers/soc/bcm/brcmstb/pm/pm-arm.c:366:16: sparse: expected void const *
drivers/soc/bcm/brcmstb/pm/pm-arm.c:366:16: sparse: got void [noderef] __iomem *static [assigned] [toplevel] boot_sram
>> drivers/soc/bcm/brcmstb/pm/pm-arm.c:366:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] boot_sram @@
drivers/soc/bcm/brcmstb/pm/pm-arm.c:366:16: sparse: expected void const *
drivers/soc/bcm/brcmstb/pm/pm-arm.c:366:16: sparse: got void [noderef] __iomem *static [assigned] [toplevel] boot_sram
>> drivers/soc/bcm/brcmstb/pm/pm-arm.c:366:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *static [assigned] [toplevel] boot_sram @@
drivers/soc/bcm/brcmstb/pm/pm-arm.c:366:16: sparse: expected void *
drivers/soc/bcm/brcmstb/pm/pm-arm.c:366:16: sparse: got void [noderef] __iomem *static [assigned] [toplevel] boot_sram
>> drivers/soc/bcm/brcmstb/pm/pm-arm.c:660:31: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] __iomem * @@ got void * @@
drivers/soc/bcm/brcmstb/pm/pm-arm.c:660:31: sparse: expected void [noderef] __iomem *
drivers/soc/bcm/brcmstb/pm/pm-arm.c:660:31: sparse: got void *
vim +145 arch/arm/mach-mvebu/pmsu.c
3076cc58c95809 Gregory CLEMENT 2014-07-23 121
3076cc58c95809 Gregory CLEMENT 2014-07-23 122 /*
3076cc58c95809 Gregory CLEMENT 2014-07-23 123 * This function sets up the boot address workaround needed for SMP
3076cc58c95809 Gregory CLEMENT 2014-07-23 124 * boot on Armada 375 Z1 and cpuidle on Armada 370. It unmaps the
3076cc58c95809 Gregory CLEMENT 2014-07-23 125 * BootROM Mbus window, and instead remaps a crypto SRAM into which a
3076cc58c95809 Gregory CLEMENT 2014-07-23 126 * custom piece of code is copied to replace the problematic BootROM.
3076cc58c95809 Gregory CLEMENT 2014-07-23 127 */
3076cc58c95809 Gregory CLEMENT 2014-07-23 128 int mvebu_setup_boot_addr_wa(unsigned int crypto_eng_target,
3076cc58c95809 Gregory CLEMENT 2014-07-23 129 unsigned int crypto_eng_attribute,
3076cc58c95809 Gregory CLEMENT 2014-07-23 130 phys_addr_t resume_addr_reg)
3076cc58c95809 Gregory CLEMENT 2014-07-23 131 {
3076cc58c95809 Gregory CLEMENT 2014-07-23 132 void __iomem *sram_virt_base;
d0d378ff451a66 Ethan Tuttle 2018-06-19 133 u32 code_len = mvebu_boot_wa_end - mvebu_boot_wa_start;
3076cc58c95809 Gregory CLEMENT 2014-07-23 134
3076cc58c95809 Gregory CLEMENT 2014-07-23 135 mvebu_mbus_del_window(BOOTROM_BASE, BOOTROM_SIZE);
3076cc58c95809 Gregory CLEMENT 2014-07-23 136 mvebu_mbus_add_window_by_id(crypto_eng_target, crypto_eng_attribute,
3076cc58c95809 Gregory CLEMENT 2014-07-23 137 SRAM_PHYS_BASE, SZ_64K);
3076cc58c95809 Gregory CLEMENT 2014-07-23 138
3076cc58c95809 Gregory CLEMENT 2014-07-23 139 sram_virt_base = ioremap(SRAM_PHYS_BASE, SZ_64K);
3076cc58c95809 Gregory CLEMENT 2014-07-23 140 if (!sram_virt_base) {
3076cc58c95809 Gregory CLEMENT 2014-07-23 141 pr_err("Unable to map SRAM to setup the boot address WA\n");
3076cc58c95809 Gregory CLEMENT 2014-07-23 142 return -ENOMEM;
3076cc58c95809 Gregory CLEMENT 2014-07-23 143 }
3076cc58c95809 Gregory CLEMENT 2014-07-23 144
3076cc58c95809 Gregory CLEMENT 2014-07-23 @145 memcpy(sram_virt_base, &mvebu_boot_wa_start, code_len);
3076cc58c95809 Gregory CLEMENT 2014-07-23 146
3076cc58c95809 Gregory CLEMENT 2014-07-23 147 /*
3076cc58c95809 Gregory CLEMENT 2014-07-23 148 * The last word of the code copied in SRAM must contain the
3076cc58c95809 Gregory CLEMENT 2014-07-23 149 * physical base address of the PMSU register. We
3076cc58c95809 Gregory CLEMENT 2014-07-23 150 * intentionally store this address in the native endianness
3076cc58c95809 Gregory CLEMENT 2014-07-23 151 * of the system.
3076cc58c95809 Gregory CLEMENT 2014-07-23 152 */
3076cc58c95809 Gregory CLEMENT 2014-07-23 153 __raw_writel((unsigned long)resume_addr_reg,
3076cc58c95809 Gregory CLEMENT 2014-07-23 154 sram_virt_base + code_len - 4);
3076cc58c95809 Gregory CLEMENT 2014-07-23 155
3076cc58c95809 Gregory CLEMENT 2014-07-23 156 iounmap(sram_virt_base);
3076cc58c95809 Gregory CLEMENT 2014-07-23 157
3076cc58c95809 Gregory CLEMENT 2014-07-23 158 return 0;
3076cc58c95809 Gregory CLEMENT 2014-07-23 159 }
3076cc58c95809 Gregory CLEMENT 2014-07-23 160
:::::: The code at line 145 was first introduced by commit
:::::: 3076cc58c958090ad50acf50fc855845e3462523 ARM: mvebu: add a common function for the boot address work around
:::::: TO: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
:::::: CC: Jason Cooper <jason@xxxxxxxxxxxxxx>
--
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https://01.org/lkp