* drivers/spi/spi-nxp-fspi.c:672:34: sparse: sparse: incorrect type in argument 1 (different address spaces)
@ 2020-05-27 10:18 kbuild test robot
0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2020-05-27 10:18 UTC (permalink / raw)
To: Han Xu; +Cc: kbuild-all, linux-kernel, Mark Brown, Adam Ford
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 444fc5cde64330661bf59944c43844e7d4c2ccd8
commit: d166a73503ef74fb761f1a3103ef7919928d7b52 spi: fspi: dynamically alloc AHB memory
date: 3 months ago
config: openrisc-randconfig-s031-20200527 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-240-gf0fe1cd9-dirty
git checkout d166a73503ef74fb761f1a3103ef7919928d7b52
# save the attached .config to linux build tree
make W=1 C=1 ARCH=openrisc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
drivers/spi/spi-nxp-fspi.c:472:25: sparse: sparse: cast from restricted __be32
>> drivers/spi/spi-nxp-fspi.c:672:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *addr @@ got void [noderef] <asn:2> *ahb_addr @@
drivers/spi/spi-nxp-fspi.c:672:34: sparse: expected void *addr
drivers/spi/spi-nxp-fspi.c:672:34: sparse: got void [noderef] <asn:2> *ahb_addr
drivers/spi/spi-nxp-fspi.c:1102:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *addr @@ got void [noderef] <asn:2> *ahb_addr @@
drivers/spi/spi-nxp-fspi.c:1102:26: sparse: expected void *addr
drivers/spi/spi-nxp-fspi.c:1102:26: sparse: got void [noderef] <asn:2> *ahb_addr
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
vim +672 drivers/spi/spi-nxp-fspi.c
662
663 static int nxp_fspi_read_ahb(struct nxp_fspi *f, const struct spi_mem_op *op)
664 {
665 u32 start = op->addr.val;
666 u32 len = op->data.nbytes;
667
668 /* if necessary, ioremap before AHB read */
669 if ((!f->ahb_addr) || start < f->memmap_start ||
670 start + len > f->memmap_start + f->memmap_len) {
671 if (f->ahb_addr)
> 672 iounmap(f->ahb_addr);
673
674 f->memmap_start = start;
675 f->memmap_len = len > NXP_FSPI_MIN_IOMAP ?
676 len : NXP_FSPI_MIN_IOMAP;
677
678 f->ahb_addr = ioremap_wc(f->memmap_phy + f->memmap_start,
679 f->memmap_len);
680
681 if (!f->ahb_addr) {
682 dev_err(f->dev, "failed to alloc memory\n");
683 return -ENOMEM;
684 }
685 }
686
687 /* Read out the data directly from the AHB buffer. */
688 memcpy_fromio(op->data.buf.in,
689 f->ahb_addr + start - f->memmap_start, len);
690
691 return 0;
692 }
693
---
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https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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