Re: [PATCH v8 6/7] PCI: Unify wait for link active into generic pci

From: kbuild test robot
Date: Wed Feb 21 2018 - 21:42:11 EST

Next message: Raslan, KarimAllah: "Re: [PATCH 08/10] KVM/X86: Use kvm_vcpu_map in emulator_cmpxchg_emulated"
Previous message: Li Zhijian: "[PATCH v2] selftests/bpf/test_maps: exit child process without error in ENOMEM case"
In reply to: Oza Pawandeep: "[PATCH v8 6/7] PCI: Unify wait for link active into generic pci"
Next in thread: Oza Pawandeep: "[PATCH v8 7/7] PCI/DPC: Enumerate the devices after DPC trigger event"
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Hi Oza,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on pci/next]
[also build test WARNING on v4.16-rc2 next-20180221]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Oza-Pawandeep/Address-error-and-recovery-for-AER-and-DPC/20180222-060518
base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org)
include/linux/crypto.h:477: warning: Function parameter or member 'cra_u.ablkcipher' not described in 'crypto_alg'
include/linux/crypto.h:477: warning: Function parameter or member 'cra_u.blkcipher' not described in 'crypto_alg'
include/linux/crypto.h:477: warning: Function parameter or member 'cra_u.cipher' not described in 'crypto_alg'
include/linux/crypto.h:477: warning: Function parameter or member 'cra_u.compress' not described in 'crypto_alg'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.ibss' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.connect' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.keys' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.ie' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.ie_len' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.bssid' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.prev_bssid' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.ssid' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.default_key' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.default_mgmt_key' not described in 'wireless_dev'
include/net/cfg80211.h:4129: warning: Function parameter or member 'wext.prev_bssid_valid' not described in 'wireless_dev'
include/net/mac80211.h:2259: warning: Function parameter or member 'radiotap_timestamp.units_pos' not described in 'ieee80211_hw'
include/net/mac80211.h:2259: warning: Function parameter or member 'radiotap_timestamp.accuracy' not described in 'ieee80211_hw'
include/net/mac80211.h:950: warning: Function parameter or member 'rates' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.rts_cts_rate_idx' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.use_rts' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.use_cts_prot' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.short_preamble' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.skip_table' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.jiffies' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.vif' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.hw_key' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.flags' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'control.enqueue_time' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'ack' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'ack.cookie' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'status.rates' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'status.ack_signal' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'status.ampdu_ack_len' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'status.ampdu_len' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'status.antenna' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'status.tx_time' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'status_driver_data' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'driver_rates' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'pad' not described in 'ieee80211_tx_info'
include/net/mac80211.h:950: warning: Function parameter or member 'rate_driver_data' not described in 'ieee80211_tx_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'rx_stats_avg' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'rx_stats_avg.signal' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'rx_stats_avg.chain_signal' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.filtered' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.retry_failed' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.retry_count' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.lost_packets' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.last_tdls_pkt_time' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'msdu_retries' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'msdu_failed' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'status_stats.last_ack' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'tx_stats.packets' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'tx_stats.bytes' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'tx_stats.last_rate' not described in 'sta_info'
net/mac80211/sta_info.h:584: warning: Function parameter or member 'msdu' not described in 'sta_info'
include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_excl.cb' not described in 'dma_buf'
include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_excl.poll' not described in 'dma_buf'
include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_excl.active' not described in 'dma_buf'
include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_shared.cb' not described in 'dma_buf'
include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_shared.poll' not described in 'dma_buf'
include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_shared.active' not described in 'dma_buf'
include/linux/dma-fence-array.h:54: warning: Function parameter or member 'work' not described in 'dma_fence_array'
include/linux/gpio/driver.h:142: warning: Function parameter or member 'request_key' not described in 'gpio_irq_chip'
include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.sign' not described in 'iio_chan_spec'
include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.realbits' not described in 'iio_chan_spec'
include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.storagebits' not described in 'iio_chan_spec'
include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.shift' not described in 'iio_chan_spec'
include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.repeat' not described in 'iio_chan_spec'
include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.endianness' not described in 'iio_chan_spec'
include/linux/iio/hw-consumer.h:1: warning: no structured comments found
include/linux/device.h:294: warning: Function parameter or member 'coredump' not described in 'device_driver'
include/linux/input/sparse-keymap.h:46: warning: Function parameter or member 'sw' not described in 'key_entry'
include/linux/mtd/rawnand.h:709: warning: Function parameter or member 'timings.sdr' not described in 'nand_data_interface'
include/linux/mtd/rawnand.h:774: warning: Function parameter or member 'buf' not described in 'nand_op_data_instr'
include/linux/mtd/rawnand.h:774: warning: Function parameter or member 'buf.in' not described in 'nand_op_data_instr'
include/linux/mtd/rawnand.h:774: warning: Function parameter or member 'buf.out' not described in 'nand_op_data_instr'
include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx' not described in 'nand_op_instr'
include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx.cmd' not described in 'nand_op_instr'
include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx.addr' not described in 'nand_op_instr'
include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx.data' not described in 'nand_op_instr'
include/linux/mtd/rawnand.h:820: warning: Function parameter or member 'ctx.waitrdy' not described in 'nand_op_instr'
include/linux/mtd/rawnand.h:967: warning: Function parameter or member 'ctx' not described in 'nand_op_parser_pattern_elem'
include/linux/mtd/rawnand.h:967: warning: Function parameter or member 'ctx.addr' not described in 'nand_op_parser_pattern_elem'
include/linux/mtd/rawnand.h:967: warning: Function parameter or member 'ctx.data' not described in 'nand_op_parser_pattern_elem'
include/linux/mtd/rawnand.h:1281: warning: Function parameter or member 'manufacturer.desc' not described in 'nand_chip'
include/linux/mtd/rawnand.h:1281: warning: Function parameter or member 'manufacturer.priv' not described in 'nand_chip'
>> drivers/pci/pci.c:4189: warning: Function parameter or member 'pdev' not described in 'pci_wait_for_link'
drivers/pci/pci.c:4189: warning: Excess function parameter 'dev' description in 'pci_wait_for_link'
include/linux/regulator/driver.h:221: warning: Function parameter or member 'resume_early' not described in 'regulator_ops'
drivers/regulator/core.c:4299: warning: Excess function parameter 'state' description in 'regulator_suspend_late'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw0' not described in 'irb'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw1' not described in 'irb'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw2' not described in 'irb'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw3' not described in 'irb'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.eadm' not described in 'irb'
include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_pin' not described in 'drm_driver'
include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_unpin' not described in 'drm_driver'
include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_res_obj' not described in 'drm_driver'
include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_get_sg_table' not described in 'drm_driver'
include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_import_sg_table' not described in 'drm_driver'
include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_vmap' not described in 'drm_driver'
include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_vunmap' not described in 'drm_driver'
include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_mmap' not described in 'drm_driver'
include/drm/drm_connector.h:370: warning: Function parameter or member 'margins.left' not described in 'drm_tv_connector_state'
include/drm/drm_connector.h:370: warning: Function parameter or member 'margins.right' not described in 'drm_tv_connector_state'
include/drm/drm_connector.h:370: warning: Function parameter or member 'margins.top' not described in 'drm_tv_connector_state'
include/drm/drm_connector.h:370: warning: Function parameter or member 'margins.bottom' not described in 'drm_tv_connector_state'
include/drm/drm_vblank.h:63: warning: Function parameter or member 'event.base' not described in 'drm_pending_vblank_event'
include/drm/drm_vblank.h:63: warning: Function parameter or member 'event.vbl' not described in 'drm_pending_vblank_event'
include/drm/drm_vblank.h:63: warning: Function parameter or member 'event.seq' not described in 'drm_pending_vblank_event'
drivers/gpu/drm/tve200/tve200_drv.c:1: warning: no structured comments found
include/linux/skbuff.h:846: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'skb_mstamp' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member '__cloned_offset' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'head_frag' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member '__unused' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member '__pkt_type_offset' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'pfmemalloc' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'encapsulation' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'encap_hdr_csum' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'csum_valid' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'csum_complete_sw' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'csum_level' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'inner_protocol_type' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'remcsum_offload' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'offload_fwd_mark' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'offload_mr_fwd_mark' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'sender_cpu' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff'
include/linux/skbuff.h:846: warning: Function parameter or member 'inner_ipproto' not described in 'sk_buff'
include/net/sock.h:234: warning: Function parameter or member 'skc_addrpair' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_portpair' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_ipv6only' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_net_refcnt' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_v6_daddr' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_v6_rcv_saddr' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_cookie' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_listener' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_tw_dr' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_rcv_wnd' not described in 'sock_common'
include/net/sock.h:234: warning: Function parameter or member 'skc_tw_rcv_nxt' not described in 'sock_common'
include/net/sock.h:487: warning: Function parameter or member 'sk_backlog.rmem_alloc' not described in 'sock'
include/net/sock.h:487: warning: Function parameter or member 'sk_backlog.len' not described in 'sock'
include/net/sock.h:487: warning: Function parameter or member 'sk_backlog.head' not described in 'sock'
include/net/sock.h:487: warning: Function parameter or member 'sk_backlog.tail' not described in 'sock'
include/net/sock.h:487: warning: Function parameter or member 'sk_wq_raw' not described in 'sock'
include/net/sock.h:487: warning: Function parameter or member 'tcp_rtx_queue' not described in 'sock'
include/linux/netdevice.h:1940: warning: Function parameter or member 'adj_list.upper' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'adj_list.lower' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'gso_partial_features' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'switchdev_ops' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'name_assign_type' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'mpls_ptr' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'xdp_prog' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'nf_hooks_ingress' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member '____cacheline_aligned_in_smp' not described in 'net_device'
include/linux/netdevice.h:1940: warning: Function parameter or member 'qdisc_hash' not described in 'net_device'
include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising' not described in 'phylink_link_state'
include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising' not described in 'phylink_link_state'
include/linux/rcupdate.h:570: ERROR: Unexpected indentation.
include/linux/rcupdate.h:574: ERROR: Unexpected indentation.
include/linux/rcupdate.h:578: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/rcupdate.h:580: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/rcupdate.h:580: WARNING: Inline literal start-string without end-string.
kernel/time/timer.c:1259: ERROR: Unexpected indentation.
kernel/time/timer.c:1261: ERROR: Unexpected indentation.
kernel/time/timer.c:1262: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/wait.h:110: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/wait.h:113: ERROR: Unexpected indentation.
include/linux/wait.h:115: WARNING: Block quote ends without a blank line; unexpected unindent.
kernel/time/hrtimer.c:1113: WARNING: Block quote ends without a blank line; unexpected unindent.
kernel/signal.c:327: WARNING: Inline literal start-string without end-string.
drivers/video/fbdev/core/modedb.c:647: WARNING: Inline strong start-string without end-string.
drivers/video/fbdev/core/modedb.c:647: WARNING: Inline strong start-string without end-string.
drivers/video/fbdev/core/modedb.c:647: WARNING: Inline strong start-string without end-string.
drivers/video/fbdev/core/modedb.c:647: WARNING: Inline strong start-string without end-string.
include/linux/iio/iio.h:191: ERROR: Unexpected indentation.
include/linux/iio/iio.h:192: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/iio/iio.h:198: WARNING: Definition list ends without a blank line; unexpected unindent.
drivers/ata/libata-core.c:5920: ERROR: Unknown target name: "hw".
drivers/message/fusion/mptbase.c:5052: WARNING: Definition list ends without a blank line; unexpected unindent.
drivers/tty/serial/serial_core.c:1901: WARNING: Definition list ends without a blank line; unexpected unindent.
include/linux/mtd/rawnand.h:805: ERROR: Unexpected indentation.

vim +4189 drivers/pci/pci.c

4178
4179 /**
4180 * pci__wait_for_link - Wait for link till its active/inactive
4181 * @dev: Bridge device
4182 * @active: waiting for active or inactive ?
4183 *
4184 * Use this to wait till link becomes active or inactive.
4185 */
4186
4187 bool pci_wait_for_link(struct pci_dev *pdev, bool active)
4188 {
> 4189 int timeout = 1000;
4190 bool ret;
4191 u16 lnk_status;
4192
4193 pcie_capability_read_word(pdev, PCI_EXP_LNKSTA, &lnk_status);
4194 ret = !!(lnk_status & PCI_EXP_LNKSTA_DLLLA);
4195
4196 while ((ret != active) && (timeout > 0)) {
4197 msleep(10);
4198 timeout -= 10;
4199 pcie_capability_read_word(pdev, PCI_EXP_LNKSTA, &lnk_status);
4200 ret = !!(lnk_status & PCI_EXP_LNKSTA_DLLLA);
4201 }
4202
4203 if (ret == active)
4204 return true;
4205
4206 dev_printk(KERN_DEBUG, &pdev->dev,
4207 "Data Link Layer Link Active not %s in 1000 msec\n",
4208 active ? "set" : "cleared");
4209
4210 return false;
4211 }
4212 EXPORT_SYMBOL(pci_wait_for_link);
4213

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