CC: [email protected] CC: [email protected] BCC: [email protected] CC: Linux Memory Management List <[email protected]> TO: Michael Walle <[email protected]> CC: Jakub Kicinski <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 38a288f5941ef03752887ad86f2d85442358c99a commit: 31d00ca4ce0e1abf5342854606bbe7d20e38c3f8 [7422/9759] net: phy: micrel: move the PHY timestamping check :::::: branch date: 21 hours ago :::::: commit date: 7 days ago config: x86_64-randconfig-c007 (https://download.01.org/0day-ci/archive/20220507/[email protected]/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e004fb787698440a387750db7f8028e7cb14cfc) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=31d00ca4ce0e1abf5342854606bbe7d20e38c3f8 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 31d00ca4ce0e1abf5342854606bbe7d20e38c3f8 # save the config file COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) 74 warnings generated. drivers/net/phy/icplus.c:107:3: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores] err = mdiobus_read(phydev->mdio.bus, 30, 0); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/icplus.c:107:3: note: Value stored to 'err' is never read err = mdiobus_read(phydev->mdio.bus, 30, 0); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/icplus.c:131:4: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores] err = mdiobus_read(phydev->mdio.bus, i, MII_BMCR); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/icplus.c:131:4: note: Value stored to 'err' is never read err = mdiobus_read(phydev->mdio.bus, i, MII_BMCR); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 72 warnings (72 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 72 warnings generated. Suppressed 72 warnings (72 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 70 warnings generated. Suppressed 70 warnings (70 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 77 warnings generated. drivers/net/phy/micrel.c:1280:2: warning: Value stored to 'regval' is never read [clang-analyzer-deadcode.DeadStores] regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:1280:2: note: Value stored to 'regval' is never read regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:2222:3: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(shhwtstamps, 0, sizeof(*shhwtstamps)); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:2222:3: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(shhwtstamps, 0, sizeof(*shhwtstamps)); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:2530:3: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(&shhwtstamps, 0, sizeof(shhwtstamps)); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:2530:3: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(&shhwtstamps, 0, sizeof(shhwtstamps)); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:2576:3: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(shhwtstamps, 0, sizeof(*shhwtstamps)); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:2576:3: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(shhwtstamps, 0, sizeof(*shhwtstamps)); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ >> drivers/net/phy/micrel.c:2729:26: warning: Value stored to 'ptp_priv' during >> its initialization is never read [clang-analyzer-deadcode.DeadStores] struct kszphy_ptp_priv *ptp_priv = &priv->ptp_priv; ^~~~~~~~ ~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:2729:26: note: Value stored to 'ptp_priv' during its initialization is never read struct kszphy_ptp_priv *ptp_priv = &priv->ptp_priv; ^~~~~~~~ ~~~~~~~~~~~~~~~ >> drivers/net/phy/micrel.c:2772:30: warning: Value stored to 'shared' during >> its initialization is never read [clang-analyzer-deadcode.DeadStores] struct lan8814_shared_priv *shared = phydev->shared->priv; ^~~~~~ ~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:2772:30: note: Value stored to 'shared' during its initialization is never read struct lan8814_shared_priv *shared = phydev->shared->priv; ^~~~~~ ~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/micrel.c:2782:2: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] snprintf(shared->ptp_clock_info.name, 30, "%s", phydev->drv->name); ^~~~~~~~ drivers/net/phy/micrel.c:2782:2: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 snprintf(shared->ptp_clock_info.name, 30, "%s", phydev->drv->name); ^~~~~~~~ Suppressed 70 warnings (70 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 95 warnings generated. drivers/scsi/scsi_sysfs.c:139:8: warning: Call to function 'sscanf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sscanf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] res = sscanf(str, "%10s %10s %16s %c", s1, s2, s3, &junk); ^~~~~~ drivers/scsi/scsi_sysfs.c:139:8: note: Call to function 'sscanf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sscanf_s' in case of C11 res = sscanf(str, "%10s %10s %16s %c", s1, s2, s3, &junk); ^~~~~~ drivers/scsi/scsi_sysfs.c:231:9: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] return snprintf(buf, 20, "%s\n", name); ^~~~~~~~ drivers/scsi/scsi_sysfs.c:231:9: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 return snprintf(buf, 20, "%s\n", name); ^~~~~~~~ drivers/scsi/scsi_sysfs.c:244:9: warning: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] len = sprintf(buf, "%s", "Initiator"); ^~~~~~~ drivers/scsi/scsi_sysfs.c:244:9: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 len = sprintf(buf, "%s", "Initiator"); ^~~~~~~ drivers/scsi/scsi_sysfs.c:247:10: warning: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] len += sprintf(buf + len, "%s%s", len ? ", " : "", "Target"); ^~~~~~~ drivers/scsi/scsi_sysfs.c:247:10: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 len += sprintf(buf + len, "%s%s", len ? ", " : "", "Target"); ^~~~~~~ drivers/scsi/scsi_sysfs.c:249:9: warning: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] len += sprintf(buf + len, "\n"); ^~~~~~~ drivers/scsi/scsi_sysfs.c:249:9: note: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 len += sprintf(buf + len, "\n"); ^~~~~~~ drivers/scsi/scsi_sysfs.c:277:10: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] return snprintf(buf, 20, "unknown\n"); ^~~~~~~~ drivers/scsi/scsi_sysfs.c:277:10: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 return snprintf(buf, 20, "unknown\n"); ^~~~~~~~ drivers/scsi/scsi_sysfs.c:327:10: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] return snprintf(buf, strlen("off") + 2, "off\n"); ^~~~~~~~ drivers/scsi/scsi_sysfs.c:327:10: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 return snprintf(buf, strlen("off") + 2, "off\n"); ^~~~~~~~ drivers/scsi/scsi_sysfs.c:328:9: warning: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] return sprintf(buf, "%u\n", shost->eh_deadline / HZ); ^~~~~~~ drivers/scsi/scsi_sysfs.c:328:9: note: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 return sprintf(buf, "%u\n", shost->eh_deadline / HZ); ^~~~~~~ drivers/scsi/scsi_sysfs.c:372:1: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] shost_rd_attr(unique_id, "%u\n"); ^ drivers/scsi/scsi_sysfs.c:177:45: note: expanded from macro 'shost_rd_attr' #define shost_rd_attr(field, format_string) \ ^ drivers/scsi/scsi_sysfs.c:174:2: note: expanded from macro '\shost_rd_attr2' shost_show_function(name, field, format_string) \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/scsi_sysfs.c:166:9: note: expanded from macro 'shost_show_function' return snprintf (buf, 20, format_string, shost->field); \ ^~~~~~~~ drivers/scsi/scsi_sysfs.c:372:1: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 shost_rd_attr(unique_id, "%u\n"); ^ drivers/scsi/scsi_sysfs.c:177:45: note: expanded from macro 'shost_rd_attr' #define shost_rd_attr(field, format_string) \ ^ drivers/scsi/scsi_sysfs.c:174:2: note: expanded from macro '\shost_rd_attr2' shost_show_function(name, field, format_string) \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/scsi_sysfs.c:166:9: note: expanded from macro 'shost_show_function' return snprintf (buf, 20, format_string, shost->field); \ ^~~~~~~~ drivers/scsi/scsi_sysfs.c:373:1: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] shost_rd_attr(cmd_per_lun, "%hd\n"); ^ drivers/scsi/scsi_sysfs.c:177:45: note: expanded from macro 'shost_rd_attr' #define shost_rd_attr(field, format_string) \ ^ drivers/scsi/scsi_sysfs.c:174:2: note: expanded from macro '\shost_rd_attr2' shost_show_function(name, field, format_string) \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/scsi_sysfs.c:166:9: note: expanded from macro 'shost_show_function' return snprintf (buf, 20, format_string, shost->field); \ ^~~~~~~~ drivers/scsi/scsi_sysfs.c:373:1: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 shost_rd_attr(cmd_per_lun, "%hd\n"); vim +/ptp_priv +2729 drivers/net/phy/micrel.c b3ec7248f1f4b9d Divya Koppera 2021-12-21 2725 ece19502834d84e Divya Koppera 2022-03-04 2726 static void lan8814_ptp_init(struct phy_device *phydev) ece19502834d84e Divya Koppera 2022-03-04 2727 { ece19502834d84e Divya Koppera 2022-03-04 2728 struct kszphy_priv *priv = phydev->priv; ece19502834d84e Divya Koppera 2022-03-04 @2729 struct kszphy_ptp_priv *ptp_priv = &priv->ptp_priv; ece19502834d84e Divya Koppera 2022-03-04 2730 u32 temp; ece19502834d84e Divya Koppera 2022-03-04 2731 31d00ca4ce0e1ab Michael Walle 2022-04-27 2732 if (!IS_ENABLED(CONFIG_PTP_1588_CLOCK) || 31d00ca4ce0e1ab Michael Walle 2022-04-27 2733 !IS_ENABLED(CONFIG_NETWORK_PHY_TIMESTAMPING)) 31d00ca4ce0e1ab Michael Walle 2022-04-27 2734 return; 31d00ca4ce0e1ab Michael Walle 2022-04-27 2735 ece19502834d84e Divya Koppera 2022-03-04 2736 lanphy_write_page_reg(phydev, 5, TSU_HARD_RESET, TSU_HARD_RESET_); ece19502834d84e Divya Koppera 2022-03-04 2737 ece19502834d84e Divya Koppera 2022-03-04 2738 temp = lanphy_read_page_reg(phydev, 5, PTP_TX_MOD); ece19502834d84e Divya Koppera 2022-03-04 2739 temp |= PTP_TX_MOD_BAD_UDPV4_CHKSUM_FORCE_FCS_DIS_; ece19502834d84e Divya Koppera 2022-03-04 2740 lanphy_write_page_reg(phydev, 5, PTP_TX_MOD, temp); ece19502834d84e Divya Koppera 2022-03-04 2741 ece19502834d84e Divya Koppera 2022-03-04 2742 temp = lanphy_read_page_reg(phydev, 5, PTP_RX_MOD); ece19502834d84e Divya Koppera 2022-03-04 2743 temp |= PTP_RX_MOD_BAD_UDPV4_CHKSUM_FORCE_FCS_DIS_; ece19502834d84e Divya Koppera 2022-03-04 2744 lanphy_write_page_reg(phydev, 5, PTP_RX_MOD, temp); ece19502834d84e Divya Koppera 2022-03-04 2745 ece19502834d84e Divya Koppera 2022-03-04 2746 lanphy_write_page_reg(phydev, 5, PTP_RX_PARSE_CONFIG, 0); ece19502834d84e Divya Koppera 2022-03-04 2747 lanphy_write_page_reg(phydev, 5, PTP_TX_PARSE_CONFIG, 0); ece19502834d84e Divya Koppera 2022-03-04 2748 ece19502834d84e Divya Koppera 2022-03-04 2749 /* Removing default registers configs related to L2 and IP */ ece19502834d84e Divya Koppera 2022-03-04 2750 lanphy_write_page_reg(phydev, 5, PTP_TX_PARSE_L2_ADDR_EN, 0); ece19502834d84e Divya Koppera 2022-03-04 2751 lanphy_write_page_reg(phydev, 5, PTP_RX_PARSE_L2_ADDR_EN, 0); ece19502834d84e Divya Koppera 2022-03-04 2752 lanphy_write_page_reg(phydev, 5, PTP_TX_PARSE_IP_ADDR_EN, 0); ece19502834d84e Divya Koppera 2022-03-04 2753 lanphy_write_page_reg(phydev, 5, PTP_RX_PARSE_IP_ADDR_EN, 0); ece19502834d84e Divya Koppera 2022-03-04 2754 ece19502834d84e Divya Koppera 2022-03-04 2755 skb_queue_head_init(&ptp_priv->tx_queue); ece19502834d84e Divya Koppera 2022-03-04 2756 skb_queue_head_init(&ptp_priv->rx_queue); ece19502834d84e Divya Koppera 2022-03-04 2757 INIT_LIST_HEAD(&ptp_priv->rx_ts_list); ece19502834d84e Divya Koppera 2022-03-04 2758 spin_lock_init(&ptp_priv->rx_ts_lock); ece19502834d84e Divya Koppera 2022-03-04 2759 ece19502834d84e Divya Koppera 2022-03-04 2760 ptp_priv->phydev = phydev; ece19502834d84e Divya Koppera 2022-03-04 2761 ece19502834d84e Divya Koppera 2022-03-04 2762 ptp_priv->mii_ts.rxtstamp = lan8814_rxtstamp; ece19502834d84e Divya Koppera 2022-03-04 2763 ptp_priv->mii_ts.txtstamp = lan8814_txtstamp; ece19502834d84e Divya Koppera 2022-03-04 2764 ptp_priv->mii_ts.hwtstamp = lan8814_hwtstamp; ece19502834d84e Divya Koppera 2022-03-04 2765 ptp_priv->mii_ts.ts_info = lan8814_ts_info; ece19502834d84e Divya Koppera 2022-03-04 2766 ece19502834d84e Divya Koppera 2022-03-04 2767 phydev->mii_ts = &ptp_priv->mii_ts; ece19502834d84e Divya Koppera 2022-03-04 2768 } ece19502834d84e Divya Koppera 2022-03-04 2769 ece19502834d84e Divya Koppera 2022-03-04 2770 static int lan8814_ptp_probe_once(struct phy_device *phydev) ece19502834d84e Divya Koppera 2022-03-04 2771 { ece19502834d84e Divya Koppera 2022-03-04 @2772 struct lan8814_shared_priv *shared = phydev->shared->priv; ece19502834d84e Divya Koppera 2022-03-04 2773 31d00ca4ce0e1ab Michael Walle 2022-04-27 2774 if (!IS_ENABLED(CONFIG_PTP_1588_CLOCK) || 31d00ca4ce0e1ab Michael Walle 2022-04-27 2775 !IS_ENABLED(CONFIG_NETWORK_PHY_TIMESTAMPING)) 31d00ca4ce0e1ab Michael Walle 2022-04-27 2776 return 0; 31d00ca4ce0e1ab Michael Walle 2022-04-27 2777 ece19502834d84e Divya Koppera 2022-03-04 2778 /* Initialise shared lock for clock*/ ece19502834d84e Divya Koppera 2022-03-04 2779 mutex_init(&shared->shared_lock); ece19502834d84e Divya Koppera 2022-03-04 2780 ece19502834d84e Divya Koppera 2022-03-04 2781 shared->ptp_clock_info.owner = THIS_MODULE; ece19502834d84e Divya Koppera 2022-03-04 2782 snprintf(shared->ptp_clock_info.name, 30, "%s", phydev->drv->name); ece19502834d84e Divya Koppera 2022-03-04 2783 shared->ptp_clock_info.max_adj = 31249999; ece19502834d84e Divya Koppera 2022-03-04 2784 shared->ptp_clock_info.n_alarm = 0; ece19502834d84e Divya Koppera 2022-03-04 2785 shared->ptp_clock_info.n_ext_ts = 0; ece19502834d84e Divya Koppera 2022-03-04 2786 shared->ptp_clock_info.n_pins = 0; ece19502834d84e Divya Koppera 2022-03-04 2787 shared->ptp_clock_info.pps = 0; ece19502834d84e Divya Koppera 2022-03-04 2788 shared->ptp_clock_info.pin_config = NULL; ece19502834d84e Divya Koppera 2022-03-04 2789 shared->ptp_clock_info.adjfine = lan8814_ptpci_adjfine; ece19502834d84e Divya Koppera 2022-03-04 2790 shared->ptp_clock_info.adjtime = lan8814_ptpci_adjtime; ece19502834d84e Divya Koppera 2022-03-04 2791 shared->ptp_clock_info.gettime64 = lan8814_ptpci_gettime64; ece19502834d84e Divya Koppera 2022-03-04 2792 shared->ptp_clock_info.settime64 = lan8814_ptpci_settime64; ece19502834d84e Divya Koppera 2022-03-04 2793 shared->ptp_clock_info.getcrosststamp = NULL; ece19502834d84e Divya Koppera 2022-03-04 2794 ece19502834d84e Divya Koppera 2022-03-04 2795 shared->ptp_clock = ptp_clock_register(&shared->ptp_clock_info, ece19502834d84e Divya Koppera 2022-03-04 2796 &phydev->mdio.dev); ece19502834d84e Divya Koppera 2022-03-04 2797 if (IS_ERR_OR_NULL(shared->ptp_clock)) { ece19502834d84e Divya Koppera 2022-03-04 2798 phydev_err(phydev, "ptp_clock_register failed %lu\n", ece19502834d84e Divya Koppera 2022-03-04 2799 PTR_ERR(shared->ptp_clock)); ece19502834d84e Divya Koppera 2022-03-04 2800 return -EINVAL; ece19502834d84e Divya Koppera 2022-03-04 2801 } ece19502834d84e Divya Koppera 2022-03-04 2802 ece19502834d84e Divya Koppera 2022-03-04 2803 phydev_dbg(phydev, "successfully registered ptp clock\n"); ece19502834d84e Divya Koppera 2022-03-04 2804 ece19502834d84e Divya Koppera 2022-03-04 2805 shared->phydev = phydev; ece19502834d84e Divya Koppera 2022-03-04 2806 ece19502834d84e Divya Koppera 2022-03-04 2807 /* The EP.4 is shared between all the PHYs in the package and also it ece19502834d84e Divya Koppera 2022-03-04 2808 * can be accessed by any of the PHYs ece19502834d84e Divya Koppera 2022-03-04 2809 */ ece19502834d84e Divya Koppera 2022-03-04 2810 lanphy_write_page_reg(phydev, 4, LTC_HARD_RESET, LTC_HARD_RESET_); ece19502834d84e Divya Koppera 2022-03-04 2811 lanphy_write_page_reg(phydev, 4, PTP_OPERATING_MODE, ece19502834d84e Divya Koppera 2022-03-04 2812 PTP_OPERATING_MODE_STANDALONE_); ece19502834d84e Divya Koppera 2022-03-04 2813 ece19502834d84e Divya Koppera 2022-03-04 2814 return 0; ece19502834d84e Divya Koppera 2022-03-04 2815 } ece19502834d84e Divya Koppera 2022-03-04 2816 :::::: The code at line 2729 was first introduced by commit :::::: ece19502834d84ece2e056db28257ca2aa6e4d48 net: phy: micrel: 1588 support for LAN8814 phy :::::: TO: Divya Koppera <[email protected]> :::::: CC: David S. Miller <[email protected]> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
