Re: [PATCH v6 3/4] mfd: ioc3: Add driver for SGI IOC3 chip

From: kbuild test robot
Date: Mon Sep 23 2019 - 09:22:16 EST

Next message: Valentin Schneider: "Re: sched: make struct task_struct::state 32-bit"
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In reply to: Thomas Bogendoerfer: "[PATCH v6 3/4] mfd: ioc3: Add driver for SGI IOC3 chip"
Next in thread: Thomas Bogendoerfer: "[PATCH v6 1/4] nvmem: core: add nvmem_device_find"
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Hi Thomas,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[cannot apply to v5.3 next-20190920]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Thomas-Bogendoerfer/Use-MFD-framework-for-SGI-IOC3-drivers/20190923-194903
config: mips-allmodconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=mips

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

drivers//mfd/ioc3.c: In function 'ioc3_eth_setup':
>> drivers//mfd/ioc3.c:281:54: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t {aka unsigned int}' [-Wformat=]
sizeof(ioc3_w1_platform_data.dev_id), "ioc3-%012llx",
~~~~~~^
%012x
ipd->pdev->resource->start);
~~~~~~~~~~~~~~~~~~~~~~~~~~
--
drivers//net/ethernet/sgi/ioc3-eth.c: In function 'ioc3eth_get_mac_addr':
>> drivers//net/ethernet/sgi/ioc3-eth.c:203:47: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t {aka unsigned int}' [-Wformat=]
snprintf(prefix, sizeof(prefix), "ioc3-%012llx-",
~~~~~~^
%012x
res->start & ~0xffff);
~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/byteorder/big_endian.h:5:0,
from arch/mips/include/uapi/asm/byteorder.h:13,
from arch/mips/include/asm/bitops.h:19,
from include/linux/bitops.h:19,
from include/linux/kernel.h:12,
from include/linux/delay.h:22,
from drivers//net/ethernet/sgi/ioc3-eth.c:25:
drivers//net/ethernet/sgi/ioc3-eth.c: In function 'ioc3_rx':
>> arch/mips/include/asm/pci/bridge.h:799:25: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_BAR 0x0100000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
>> drivers//net/ethernet/sgi/ioc3-eth.c:429:42: note: in expansion of macro 'PCI64_ATTR_BAR'
rxr[n_entry] = cpu_to_be64(ioc3_map(d, PCI64_ATTR_BAR));
^~~~~~~~~~~~~~
drivers//net/ethernet/sgi/ioc3-eth.c: In function 'ioc3_alloc_rx_bufs':
>> arch/mips/include/asm/pci/bridge.h:799:25: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_BAR 0x0100000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
drivers//net/ethernet/sgi/ioc3-eth.c:700:40: note: in expansion of macro 'PCI64_ATTR_BAR'
ip->rxr[i] = cpu_to_be64(ioc3_map(d, PCI64_ATTR_BAR));
^~~~~~~~~~~~~~
In file included from drivers//net/ethernet/sgi/ioc3-eth.c:51:0:
drivers//net/ethernet/sgi/ioc3-eth.c: In function 'ioc3_start':
arch/mips/include/asm/pci/bridge.h:797:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREC 0x0400000000000000
^
>> drivers//net/ethernet/sgi/ioc3-eth.c:762:31: note: in expansion of macro 'PCI64_ATTR_PREC'
ring = ioc3_map(ip->rxr_dma, PCI64_ATTR_PREC);
^~~~~~~~~~~~~~~
>> drivers//net/ethernet/sgi/ioc3-eth.c:763:14: warning: right shift count >= width of type [-Wshift-count-overflow]
writel(ring >> 32, &regs->erbr_h);
^~
In file included from drivers//net/ethernet/sgi/ioc3-eth.c:51:0:
arch/mips/include/asm/pci/bridge.h:797:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREC 0x0400000000000000
^
drivers//net/ethernet/sgi/ioc3-eth.c:768:31: note: in expansion of macro 'PCI64_ATTR_PREC'
ring = ioc3_map(ip->txr_dma, PCI64_ATTR_PREC);
^~~~~~~~~~~~~~~
drivers//net/ethernet/sgi/ioc3-eth.c:773:14: warning: right shift count >= width of type [-Wshift-count-overflow]
writel(ring >> 32, &regs->etbr_h);
^~
In file included from include/linux/byteorder/big_endian.h:5:0,
from arch/mips/include/uapi/asm/byteorder.h:13,
from arch/mips/include/asm/bitops.h:19,
from include/linux/bitops.h:19,
from include/linux/kernel.h:12,
from include/linux/delay.h:22,
from drivers//net/ethernet/sgi/ioc3-eth.c:25:
drivers//net/ethernet/sgi/ioc3-eth.c: In function 'ioc3_start_xmit':
arch/mips/include/asm/pci/bridge.h:796:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREF 0x0800000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
>> drivers//net/ethernet/sgi/ioc3-eth.c:1084:43: note: in expansion of macro 'PCI64_ATTR_PREF'
desc->p1 = cpu_to_be64(ioc3_map(d1, PCI64_ATTR_PREF));
^~~~~~~~~~~~~~~
arch/mips/include/asm/pci/bridge.h:796:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREF 0x0800000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
drivers//net/ethernet/sgi/ioc3-eth.c:1085:43: note: in expansion of macro 'PCI64_ATTR_PREF'
desc->p2 = cpu_to_be64(ioc3_map(d2, PCI64_ATTR_PREF));
^~~~~~~~~~~~~~~
arch/mips/include/asm/pci/bridge.h:796:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREF 0x0800000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
drivers//net/ethernet/sgi/ioc3-eth.c:1095:42: note: in expansion of macro 'PCI64_ATTR_PREF'
desc->p1 = cpu_to_be64(ioc3_map(d, PCI64_ATTR_PREF));
^~~~~~~~~~~~~~~
--
drivers/net/ethernet/sgi/ioc3-eth.c: In function 'ioc3eth_get_mac_addr':
drivers/net/ethernet/sgi/ioc3-eth.c:203:47: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t {aka unsigned int}' [-Wformat=]
snprintf(prefix, sizeof(prefix), "ioc3-%012llx-",
~~~~~~^
%012x
res->start & ~0xffff);
~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/byteorder/big_endian.h:5:0,
from arch/mips/include/uapi/asm/byteorder.h:13,
from arch/mips/include/asm/bitops.h:19,
from include/linux/bitops.h:19,
from include/linux/kernel.h:12,
from include/linux/delay.h:22,
from drivers/net/ethernet/sgi/ioc3-eth.c:25:
drivers/net/ethernet/sgi/ioc3-eth.c: In function 'ioc3_rx':
>> arch/mips/include/asm/pci/bridge.h:799:25: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_BAR 0x0100000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
drivers/net/ethernet/sgi/ioc3-eth.c:429:42: note: in expansion of macro 'PCI64_ATTR_BAR'
rxr[n_entry] = cpu_to_be64(ioc3_map(d, PCI64_ATTR_BAR));
^~~~~~~~~~~~~~
drivers/net/ethernet/sgi/ioc3-eth.c: In function 'ioc3_alloc_rx_bufs':
>> arch/mips/include/asm/pci/bridge.h:799:25: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_BAR 0x0100000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
drivers/net/ethernet/sgi/ioc3-eth.c:700:40: note: in expansion of macro 'PCI64_ATTR_BAR'
ip->rxr[i] = cpu_to_be64(ioc3_map(d, PCI64_ATTR_BAR));
^~~~~~~~~~~~~~
In file included from drivers/net/ethernet/sgi/ioc3-eth.c:51:0:
drivers/net/ethernet/sgi/ioc3-eth.c: In function 'ioc3_start':
arch/mips/include/asm/pci/bridge.h:797:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREC 0x0400000000000000
^
drivers/net/ethernet/sgi/ioc3-eth.c:762:31: note: in expansion of macro 'PCI64_ATTR_PREC'
ring = ioc3_map(ip->rxr_dma, PCI64_ATTR_PREC);
^~~~~~~~~~~~~~~
drivers/net/ethernet/sgi/ioc3-eth.c:763:14: warning: right shift count >= width of type [-Wshift-count-overflow]
writel(ring >> 32, &regs->erbr_h);
^~
In file included from drivers/net/ethernet/sgi/ioc3-eth.c:51:0:
arch/mips/include/asm/pci/bridge.h:797:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREC 0x0400000000000000
^
drivers/net/ethernet/sgi/ioc3-eth.c:768:31: note: in expansion of macro 'PCI64_ATTR_PREC'
ring = ioc3_map(ip->txr_dma, PCI64_ATTR_PREC);
^~~~~~~~~~~~~~~
drivers/net/ethernet/sgi/ioc3-eth.c:773:14: warning: right shift count >= width of type [-Wshift-count-overflow]
writel(ring >> 32, &regs->etbr_h);
^~
In file included from include/linux/byteorder/big_endian.h:5:0,
from arch/mips/include/uapi/asm/byteorder.h:13,
from arch/mips/include/asm/bitops.h:19,
from include/linux/bitops.h:19,
from include/linux/kernel.h:12,
from include/linux/delay.h:22,
from drivers/net/ethernet/sgi/ioc3-eth.c:25:
drivers/net/ethernet/sgi/ioc3-eth.c: In function 'ioc3_start_xmit':
arch/mips/include/asm/pci/bridge.h:796:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREF 0x0800000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
drivers/net/ethernet/sgi/ioc3-eth.c:1084:43: note: in expansion of macro 'PCI64_ATTR_PREF'
desc->p1 = cpu_to_be64(ioc3_map(d1, PCI64_ATTR_PREF));
^~~~~~~~~~~~~~~
arch/mips/include/asm/pci/bridge.h:796:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREF 0x0800000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
drivers/net/ethernet/sgi/ioc3-eth.c:1085:43: note: in expansion of macro 'PCI64_ATTR_PREF'
desc->p2 = cpu_to_be64(ioc3_map(d2, PCI64_ATTR_PREF));
^~~~~~~~~~~~~~~
arch/mips/include/asm/pci/bridge.h:796:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
#define PCI64_ATTR_PREF 0x0800000000000000
^
include/uapi/linux/byteorder/big_endian.h:37:51: note: in definition of macro '__cpu_to_be64'
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
^
drivers/net/ethernet/sgi/ioc3-eth.c:1095:42: note: in expansion of macro 'PCI64_ATTR_PREF'
desc->p1 = cpu_to_be64(ioc3_map(d, PCI64_ATTR_PREF));
^~~~~~~~~~~~~~~

vim +799 arch/mips/include/asm/pci/bridge.h

^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 784
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 785 /* given a DIR_OFF value and a pci/gio 32 bits direct address, determine
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 786 * which xtalk address is accessed
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 787 */
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 788 #define BRIDGE_DIRECT_32_SEG_SIZE BRIDGE_DMA_DIRECT_SIZE
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 789 #define BRIDGE_DIRECT_32_TO_XTALK(dir_off,adr) \
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 790 ((dir_off) * BRIDGE_DIRECT_32_SEG_SIZE + \
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 791 ((adr) & (BRIDGE_DIRECT_32_SEG_SIZE - 1)) + PHYS_RAMBASE)
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 792
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 793 /* 64-bit address attribute masks */
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 794 #define PCI64_ATTR_TARG_MASK 0xf000000000000000
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 795 #define PCI64_ATTR_TARG_SHFT 60
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 796 #define PCI64_ATTR_PREF 0x0800000000000000
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 797 #define PCI64_ATTR_PREC 0x0400000000000000
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 798 #define PCI64_ATTR_VIRTUAL 0x0200000000000000
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 @799 #define PCI64_ATTR_BAR 0x0100000000000000
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 800 #define PCI64_ATTR_RMF_MASK 0x00ff000000000000
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 801 #define PCI64_ATTR_RMF_SHFT 48
^1da177e4c3f41 include/asm-mips/pci/bridge.h Linus Torvalds 2005-04-16 802

:::::: The code at line 799 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

---
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Next message: Valentin Schneider: "Re: sched: make struct task_struct::state 32-bit"
Previous message: Prarit Bhargava: "[PATCH 0/2] intel-speed-select: Convert output to tables"
In reply to: Thomas Bogendoerfer: "[PATCH v6 3/4] mfd: ioc3: Add driver for SGI IOC3 chip"
Next in thread: Thomas Bogendoerfer: "[PATCH v6 1/4] nvmem: core: add nvmem_device_find"
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