Messages in this thread | | | Date | Sun, 28 Jun 2020 08:59:46 +0800 | From | kernel test robot <> | Subject | drivers/tty/serial/8250/8250_fintek.c:104:9: sparse: sparse: cast removes address space '__iomem' of expression |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 42afe7d1c6ef77212250af3459e549d1a944cc8a commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 9 days ago config: riscv-randconfig-s031-20200628 (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree make W=1 C=1 ARCH=riscv CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/tty/serial/8250/8250_fintek.c:104:9: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/tty/serial/8250/8250_fintek.c:104:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ >> drivers/tty/serial/8250/8250_fintek.c:104:9: sparse: expected void volatile [noderef] __iomem *addr drivers/tty/serial/8250/8250_fintek.c:104:9: sparse: got void * drivers/tty/serial/8250/8250_fintek.c:105:16: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/tty/serial/8250/8250_fintek.c:105:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ >> drivers/tty/serial/8250/8250_fintek.c:105:16: sparse: expected void const volatile [noderef] __iomem *addr drivers/tty/serial/8250/8250_fintek.c:105:16: sparse: got void * drivers/tty/serial/8250/8250_fintek.c:110:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/tty/serial/8250/8250_fintek.c:110:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/tty/serial/8250/8250_fintek.c:110:9: sparse: expected void volatile [noderef] __iomem *addr drivers/tty/serial/8250/8250_fintek.c:110:9: sparse: got void * drivers/tty/serial/8250/8250_fintek.c:111:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/tty/serial/8250/8250_fintek.c:111:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/tty/serial/8250/8250_fintek.c:111:9: sparse: expected void volatile [noderef] __iomem *addr drivers/tty/serial/8250/8250_fintek.c:111:9: sparse: got void * drivers/tty/serial/8250/8250_fintek.c:129:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/tty/serial/8250/8250_fintek.c:129:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/tty/serial/8250/8250_fintek.c:129:9: sparse: expected void volatile [noderef] __iomem *addr drivers/tty/serial/8250/8250_fintek.c:129:9: sparse: got void * drivers/tty/serial/8250/8250_fintek.c:131:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/tty/serial/8250/8250_fintek.c:131:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/tty/serial/8250/8250_fintek.c:131:9: sparse: expected void volatile [noderef] __iomem *addr drivers/tty/serial/8250/8250_fintek.c:131:9: sparse: got void * drivers/tty/serial/8250/8250_fintek.c:132:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/tty/serial/8250/8250_fintek.c:132:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/tty/serial/8250/8250_fintek.c:132:9: sparse: expected void volatile [noderef] __iomem *addr drivers/tty/serial/8250/8250_fintek.c:132:9: sparse: got void * drivers/tty/serial/8250/8250_fintek.c:139:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/tty/serial/8250/8250_fintek.c:139:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/tty/serial/8250/8250_fintek.c:139:9: sparse: expected void volatile [noderef] __iomem *addr drivers/tty/serial/8250/8250_fintek.c:139:9: sparse: got void * -- >> drivers/net/can/cc770/cc770_isa.c:125:16: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/net/can/cc770/cc770_isa.c:125:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ >> drivers/net/can/cc770/cc770_isa.c:125:16: sparse: expected void const volatile [noderef] __iomem *addr drivers/net/can/cc770/cc770_isa.c:125:16: sparse: got void * drivers/net/can/cc770/cc770_isa.c:131:9: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/net/can/cc770/cc770_isa.c:131:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ >> drivers/net/can/cc770/cc770_isa.c:131:9: sparse: expected void volatile [noderef] __iomem *addr drivers/net/can/cc770/cc770_isa.c:131:9: sparse: got void * drivers/net/can/cc770/cc770_isa.c:142:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/can/cc770/cc770_isa.c:142:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/net/can/cc770/cc770_isa.c:142:9: sparse: expected void volatile [noderef] __iomem *addr drivers/net/can/cc770/cc770_isa.c:142:9: sparse: got void * drivers/net/can/cc770/cc770_isa.c:143:15: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/can/cc770/cc770_isa.c:143:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/net/can/cc770/cc770_isa.c:143:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/net/can/cc770/cc770_isa.c:143:15: sparse: got void * drivers/net/can/cc770/cc770_isa.c:156:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/can/cc770/cc770_isa.c:156:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/net/can/cc770/cc770_isa.c:156:9: sparse: expected void volatile [noderef] __iomem *addr drivers/net/can/cc770/cc770_isa.c:156:9: sparse: got void * drivers/net/can/cc770/cc770_isa.c:157:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/can/cc770/cc770_isa.c:157:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/net/can/cc770/cc770_isa.c:157:9: sparse: expected void volatile [noderef] __iomem *addr drivers/net/can/cc770/cc770_isa.c:157:9: sparse: got void *
vim +/__iomem +104 drivers/tty/serial/8250/8250_fintek.c
92a5f11a1a3357 Ricardo Ribalda 2015-06-16 101 f1232ac229cc07 Ji-Ze Hong (Peter Hong 2016-10-04 102) static u8 sio_read_reg(struct fintek_8250 *pdata, u8 reg) f1232ac229cc07 Ji-Ze Hong (Peter Hong 2016-10-04 103) { f1232ac229cc07 Ji-Ze Hong (Peter Hong 2016-10-04 @104) outb(reg, pdata->base_port + ADDR_PORT); f1232ac229cc07 Ji-Ze Hong (Peter Hong 2016-10-04 @105) return inb(pdata->base_port + DATA_PORT); f1232ac229cc07 Ji-Ze Hong (Peter Hong 2016-10-04 106) } f1232ac229cc07 Ji-Ze Hong (Peter Hong 2016-10-04 107)
:::::: The code at line 104 was first introduced by commit :::::: f1232ac229cc078206a72ca365c3526e37ea1ae5 serial: 8250_fintek: Refactoring read/write method
:::::: TO: Ji-Ze Hong (Peter Hong) <hpeter@gmail.com> :::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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