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* drivers/phy/cadence/phy-cadence-torrent.c:138:9: sparse: sparse: cast removes address space '<asn:2>' of expression
@ 2020-05-28 15:17 kbuild test robot
  0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2020-05-28 15:17 UTC (permalink / raw)
  To: kbuild

[-- Attachment #1: Type: text/plain, Size: 18685 bytes --]

CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Yuti Amonkar <yamonkar@cadence.com>
CC: Kishon Vijay Abraham I <kishon@ti.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b0c3ba31be3e45a130e13b278cf3b90f69bda6f6
commit: c589e7014ffc78a46e4793e2110cbf3b0dd476a1 phy: cadence-dp: Rename to phy-cadence-torrent
date:   10 weeks ago
:::::: branch date: 21 hours ago
:::::: commit date: 10 weeks ago
config: m68k-randconfig-s031-20200528 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-240-gf0fe1cd9-dirty
        git checkout c589e7014ffc78a46e4793e2110cbf3b0dd476a1
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=m68k 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/phy/cadence/phy-cadence-torrent.c:138:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:187:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:191:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:376:15: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:376:15: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:403:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:405:15: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:405:15: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:412:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:415:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:417:15: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:417:15: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:424:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:210:15: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:210:15: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:232:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:233:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:234:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:235:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:236:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:237:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:238:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:239:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:240:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:241:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:242:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:243:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:244:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:245:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:246:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:247:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:248:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:249:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:251:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:252:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:253:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:254:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:255:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:256:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:257:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:258:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:259:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:353:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:354:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:355:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:356:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:357:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:358:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:360:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:361:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:269:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:270:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:271:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:272:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:277:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:278:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:279:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:280:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:285:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:286:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:287:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:288:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:292:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:293:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:294:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:295:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:299:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:300:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:310:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:338:9: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:342:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:436:20: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/phy/cadence/phy-cadence-torrent.c:437:9: sparse: sparse: cast removes address space '<asn:2>' of expression

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c589e7014ffc78a46e4793e2110cbf3b0dd476a1
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout c589e7014ffc78a46e4793e2110cbf3b0dd476a1
vim +138 drivers/phy/cadence/phy-cadence-torrent.c

c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  131  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  132  static int cdns_dp_phy_init(struct phy *phy)
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  133  {
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  134  	unsigned char lane_bits;
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  135  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  136  	struct cdns_dp_phy *cdns_phy = phy_get_drvdata(phy);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  137  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09 @138  	writel(0x0003, cdns_phy->base + PHY_AUX_CTRL); /* enable AUX */
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  139  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  140  	/* PHY PMA registers configuration function */
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  141  	cdns_dp_phy_pma_cfg(cdns_phy);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  142  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  143  	/*
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  144  	 * Set lines power state to A0
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  145  	 * Set lines pll clk enable to 0
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  146  	 */
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  147  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  148  	cdns_dp_phy_write_field(cdns_phy, PHY_PMA_XCVR_POWER_STATE_REQ,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  149  				PHY_POWER_STATE_LN_0, 6, 0x0000);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  150  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  151  	if (cdns_phy->num_lanes >= 2) {
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  152  		cdns_dp_phy_write_field(cdns_phy,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  153  					PHY_PMA_XCVR_POWER_STATE_REQ,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  154  					PHY_POWER_STATE_LN_1, 6, 0x0000);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  155  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  156  		if (cdns_phy->num_lanes == 4) {
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  157  			cdns_dp_phy_write_field(cdns_phy,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  158  						PHY_PMA_XCVR_POWER_STATE_REQ,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  159  						PHY_POWER_STATE_LN_2, 6, 0);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  160  			cdns_dp_phy_write_field(cdns_phy,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  161  						PHY_PMA_XCVR_POWER_STATE_REQ,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  162  						PHY_POWER_STATE_LN_3, 6, 0);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  163  		}
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  164  	}
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  165  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  166  	cdns_dp_phy_write_field(cdns_phy, PHY_PMA_XCVR_PLLCLK_EN,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  167  				0, 1, 0x0000);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  168  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  169  	if (cdns_phy->num_lanes >= 2) {
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  170  		cdns_dp_phy_write_field(cdns_phy, PHY_PMA_XCVR_PLLCLK_EN,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  171  					1, 1, 0x0000);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  172  		if (cdns_phy->num_lanes == 4) {
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  173  			cdns_dp_phy_write_field(cdns_phy,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  174  						PHY_PMA_XCVR_PLLCLK_EN,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  175  						2, 1, 0x0000);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  176  			cdns_dp_phy_write_field(cdns_phy,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  177  						PHY_PMA_XCVR_PLLCLK_EN,
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  178  						3, 1, 0x0000);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  179  		}
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  180  	}
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  181  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  182  	/*
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  183  	 * release phy_l0*_reset_n and pma_tx_elec_idle_ln_* based on
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  184  	 * used lanes
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  185  	 */
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  186  	lane_bits = (1 << cdns_phy->num_lanes) - 1;
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  187  	writel(((0xF & ~lane_bits) << 4) | (0xF & lane_bits),
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  188  		   cdns_phy->base + PHY_RESET);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  189  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  190  	/* release pma_xcvr_pllclk_en_ln_*, only for the master lane */
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  191  	writel(0x0001, cdns_phy->base + PHY_PMA_XCVR_PLLCLK_EN);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  192  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  193  	/* PHY PMA registers configuration functions */
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  194  	cdns_dp_phy_pma_cmn_vco_cfg_25mhz(cdns_phy);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  195  	cdns_dp_phy_pma_cmn_rate(cdns_phy);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  196  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  197  	/* take out of reset */
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  198  	cdns_dp_phy_write_field(cdns_phy, PHY_RESET, 8, 1, 1);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  199  	cdns_dp_phy_wait_pma_cmn_ready(cdns_phy);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  200  	cdns_dp_phy_run(cdns_phy);
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  201  
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  202  	return 0;
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  203  }
c8b427edc7378f drivers/phy/cadence/phy-cadence-dp.c Scott Telford 2018-08-09  204  

:::::: The code at line 138 was first introduced by commit
:::::: c8b427edc7378fa540a03d44ed61eb49cb7f64bc phy: Add driver for Cadence MHDP DisplayPort SD0801 PHY

:::::: TO: Scott Telford <stelford@cadence.com>
:::::: CC: Kishon Vijay Abraham I <kishon@ti.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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