tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   dc06fe51d26efc100ac74121607c01a454867c91
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to 
define address spaces
date:   8 weeks ago
config: i386-randconfig-s001-20200813 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.2-168-g9554805c-dirty
        git checkout 670d0a4b10704667765f7d18f7592993d02783aa
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


sparse warnings: (new ones prefixed by >>)

>> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2135:41: sparse: 
>> sparse: incorrect type in argument 1 (different address spaces) @@     
>> expected void *reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2135:41: sparse:     
expected void *reg
>> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2135:41: sparse:     
>> got unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:33: sparse: sparse: 
incorrect type in argument 2 (different base types) @@     expected unsigned 
short [usertype] uid_hi @@     got restricted __be16 [usertype] @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:33: sparse:     
expected unsigned short [usertype] uid_hi
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:33: sparse:     got 
restricted __be16 [usertype]
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:45: sparse: sparse: 
incorrect type in argument 3 (different base types) @@     expected unsigned 
int [usertype] uid_lo @@     got restricted __be32 [usertype] @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:45: sparse:     
expected unsigned int [usertype] uid_lo
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:45: sparse:     got 
restricted __be32 [usertype]
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:56: sparse: sparse: 
incorrect type in argument 4 (different base types) @@     expected unsigned 
short [usertype] seqid @@     got restricted __be16 [usertype] @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:56: sparse:     
expected unsigned short [usertype] seqid
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:56: sparse:     got 
restricted __be16 [usertype]
>> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:306:26: sparse: sparse: 
>> incorrect type in argument 1 (different address spaces) @@     expected void 
>> [noderef] __iomem * @@     got void *reg @@
>> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:306:26: sparse:     
>> expected void [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:306:26: sparse:     got 
void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:336:33: sparse: sparse: 
incorrect type in argument 1 (different address spaces) @@     expected void 
*reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:336:33: sparse:     
expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:336:33: sparse:     got 
unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:343:33: sparse: sparse: 
incorrect type in argument 1 (different address spaces) @@     expected void 
*reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:343:33: sparse:     
expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:343:33: sparse:     got 
unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:356:33: sparse: sparse: 
incorrect type in argument 1 (different address spaces) @@     expected void 
*reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:356:33: sparse:     
expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:356:33: sparse:     got 
unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:397:33: sparse: sparse: 
incorrect type in argument 1 (different address spaces) @@     expected void 
*reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:397:33: sparse:     
expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:397:33: sparse:     got 
unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:466:41: sparse: sparse: 
incorrect type in argument 1 (different address spaces) @@     expected void 
*reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:466:41: sparse:     
expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:466:41: sparse:     got 
unsigned int [noderef] __iomem *

vim +2135 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c

77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2084  
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2085  /**
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2086   * pch_gbe_set_multi - Multicast and Promiscuous mode 
set
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2087   * @netdev:   Network interface device structure
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2088   */
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2089  static void pch_gbe_set_multi(struct net_device 
*netdev)
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2090  {
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2091    struct pch_gbe_adapter *adapter = 
netdev_priv(netdev);
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2092    struct pch_gbe_hw *hw = &adapter->hw;
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2093    struct netdev_hw_addr *ha;
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2094    u32 rctl, adrmask;
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2095    int mc_count, i;
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2096  
453ca931f51516 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy 
Shevchenko 2013-06-28  2097    netdev_dbg(netdev, "netdev->flags : 0x%08x\n", 
netdev->flags);
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2098  
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2099    /* By default enable address & multicast filtering */
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2100    rctl = ioread32(&hw->reg->RX_MODE);
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2101    rctl |= PCH_GBE_ADD_FIL_EN | PCH_GBE_MLT_FIL_EN;
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2102  
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2103    /* Promiscuous mode disables all hardware address 
filtering */
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2104    if (netdev->flags & IFF_PROMISC)
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2105            rctl &= ~(PCH_GBE_ADD_FIL_EN | 
PCH_GBE_MLT_FIL_EN);
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2106  
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2107    /* If we want to monitor more multicast addresses than 
the hardware can
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2108     * support then disable hardware multicast filtering.
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2109     */
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2110    mc_count = netdev_mc_count(netdev);
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2111    if ((netdev->flags & IFF_ALLMULTI) || mc_count >= 
PCH_GBE_MAR_ENTRIES)
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2112            rctl &= ~PCH_GBE_MLT_FIL_EN;
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2113  
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2114    iowrite32(rctl, &hw->reg->RX_MODE);
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2115  
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2116    /* If we're not using multicast filtering then there's 
no point
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2117     * configuring the unused MAC address registers.
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2118     */
418e7dab0f83fc drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2119    if (!(rctl & PCH_GBE_MLT_FIL_EN))
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2120            return;
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2121  
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2122    /* Load the first set of multicast addresses into MAC 
address registers
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2123     * for use by hardware filtering.
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2124     */
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2125    i = 1;
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2126    netdev_for_each_mc_addr(ha, netdev)
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2127            pch_gbe_mac_mar_set(hw, ha->addr, i++);
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2128  
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2129    /* If there are spare MAC registers, mask & clear them 
*/
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2130    for (; i < PCH_GBE_MAR_ENTRIES; i++) {
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2131            /* Clear MAC address mask */
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2132            adrmask = ioread32(&hw->reg->ADDR_MASK);
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2133            iowrite32(adrmask | BIT(i), 
&hw->reg->ADDR_MASK);
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2134            /* wait busy */
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22 @2135            pch_gbe_wait_clr_bit(&hw->reg->ADDR_MASK, 
PCH_GBE_BUSY);
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2136            /* Clear MAC address */
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2137            iowrite32(0, &hw->reg->mac_adr[i].high);
6ab91e47694e03 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 
    2018-06-22  2138            iowrite32(0, &hw->reg->mac_adr[i].low);
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2139    }
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2140  
453ca931f51516 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy 
Shevchenko 2013-06-28  2141    netdev_dbg(netdev,
453ca931f51516 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy 
Shevchenko 2013-06-28  2142             "RX_MODE reg(check bit31,30 ADD,MLT) : 
0x%08x  netdev->mc_count : 0x%08x\n",
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2143             ioread32(&hw->reg->RX_MODE), mc_count);
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2144  }
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki 
Ohtake 2010-09-21  2145  

:::::: The code at line 2135 was first introduced by commit
:::::: 6ab91e47694e03775bbe874fa8f15f84db404c00 net: pch_gbe: Inline 
pch_gbe_mac_mc_addr_list_update

:::::: TO: Paul Burton <[email protected]>
:::::: CC: David S. Miller <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

Attachment: .config.gz
Description: application/gzip

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