Hi Janusz, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on gpio/for-next] [also build test WARNING on v4.19-rc2 next-20180831] [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/Janusz-Krzysztofik/gpiolib-Pass-bitmaps-not-integer-arrays-to-get-set-array/20180903-172834 base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next reproduce: make htmldocs :::::: branch date: 8 hours ago :::::: commit date: 8 hours ago All warnings (new ones prefixed by >>): WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org) include/linux/srcu.h:175: warning: Function parameter or member 'p' not described in 'srcu_dereference_notrace' include/linux/srcu.h:175: warning: Function parameter or member 'sp' not described in 'srcu_dereference_notrace' include/linux/gfp.h:1: warning: no structured comments found include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.ibss' not described in 'wireless_dev' include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.connect' not described in 'wireless_dev' include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.keys' not described in 'wireless_dev' include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.ie' not described in 'wireless_dev' include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.ie_len' not described in 'wireless_dev' include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.bssid' not described in 'wireless_dev' include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.ssid' not described in 'wireless_dev' include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.default_key' not described in 'wireless_dev' include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.default_mgmt_key' not described in 'wireless_dev' include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.prev_bssid_valid' not described in 'wireless_dev' include/net/mac80211.h:2328: warning: Function parameter or member 'radiotap_timestamp.units_pos' not described in 'ieee80211_hw' include/net/mac80211.h:2328: warning: Function parameter or member 'radiotap_timestamp.accuracy' not described in 'ieee80211_hw' include/net/mac80211.h:977: warning: Function parameter or member 'control.rates' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.rts_cts_rate_idx' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.use_rts' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.use_cts_prot' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.short_preamble' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.skip_table' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.jiffies' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.vif' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.hw_key' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.flags' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'control.enqueue_time' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'ack' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'ack.cookie' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'status.rates' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'status.ack_signal' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'status.ampdu_ack_len' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'status.ampdu_len' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'status.antenna' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'status.tx_time' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'status.is_valid_ack_signal' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'status.status_driver_data' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'driver_rates' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'pad' not described in 'ieee80211_tx_info' include/net/mac80211.h:977: warning: Function parameter or member 'rate_driver_data' not described in 'ieee80211_tx_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg.signal' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg.chain_signal' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.filtered' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.retry_failed' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.retry_count' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.lost_packets' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_tdls_pkt_time' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.msdu_retries' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.msdu_failed' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_ack' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_ack_signal' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.ack_signal_filled' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.avg_ack_signal' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.packets' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.bytes' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.last_rate' not described in 'sta_info' net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.msdu' not described in 'sta_info' include/linux/mod_devicetable.h:763: warning: Function parameter or member 'driver_data' not described in 'typec_device_id' kernel/sched/fair.c:3371: warning: Function parameter or member 'flags' not described in 'attach_entity_load_avg' arch/x86/include/asm/atomic.h:84: warning: Excess function parameter 'i' description in 'arch_atomic_sub_and_test' arch/x86/include/asm/atomic.h:84: warning: Excess function parameter 'v' description in 'arch_atomic_sub_and_test' arch/x86/include/asm/atomic.h:96: warning: Excess function parameter 'v' description in 'arch_atomic_inc' arch/x86/include/asm/atomic.h:109: warning: Excess function parameter 'v' description in 'arch_atomic_dec' arch/x86/include/asm/atomic.h:124: warning: Excess function parameter 'v' description in 'arch_atomic_dec_and_test' arch/x86/include/asm/atomic.h:138: warning: Excess function parameter 'v' description in 'arch_atomic_inc_and_test' arch/x86/include/asm/atomic.h:153: warning: Excess function parameter 'i' description in 'arch_atomic_add_negative' arch/x86/include/asm/atomic.h:153: warning: Excess function parameter 'v' description in 'arch_atomic_add_negative' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.cb' not described in 'dma_buf' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.poll' not described in 'dma_buf' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.active' not described in 'dma_buf' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.cb' not described in 'dma_buf' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.poll' not described in 'dma_buf' include/linux/dma-buf.h:304: 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' >> drivers/gpio/gpiolib.c:2917: warning: Function parameter or member 'array_info' not described in 'gpiod_get_raw_array_value' >> drivers/gpio/gpiolib.c:2942: warning: Function parameter or member 'array_info' not described in 'gpiod_get_array_value' drivers/gpio/gpiolib.c:2942: warning: Function parameter or member 'value_bitmap' not described in 'gpiod_get_array_value' drivers/gpio/gpiolib.c:2942: warning: Excess function parameter 'value_bitnap' description in 'gpiod_get_array_value' >> drivers/gpio/gpiolib.c:3180: warning: Function parameter or member 'array_info' not described in 'gpiod_set_raw_array_value' >> drivers/gpio/gpiolib.c:3204: warning: Function parameter or member 'array_info' not described in 'gpiod_set_array_value' >> drivers/gpio/gpiolib.c:3442: warning: Function parameter or member 'array_info' not described in 'gpiod_get_raw_array_value_cansleep' >> drivers/gpio/gpiolib.c:3467: warning: Function parameter or member 'array_info' not described in 'gpiod_get_array_value_cansleep' >> drivers/gpio/gpiolib.c:3528: warning: Function parameter or member 'array_info' not described in 'gpiod_set_raw_array_value_cansleep' >> drivers/gpio/gpiolib.c:3569: warning: Function parameter or member 'array_info' not described in 'gpiod_set_array_value_cansleep' include/linux/iio/hw-consumer.h:1: warning: no structured comments found include/linux/input/sparse-keymap.h:46: warning: Function parameter or member 'sw' not described in 'key_entry' drivers/pci/pci.c:218: warning: Excess function parameter 'p' description in 'pci_dev_str_match_path' include/linux/regulator/driver.h:227: warning: Function parameter or member 'resume' not described in 'regulator_ops' drivers/regulator/core.c:4479: warning: Excess function parameter 'state' description in 'regulator_suspend' 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' drivers/slimbus/stream.c:1: warning: no structured comments found drivers/target/target_core_device.c:1: warning: no structured comments found drivers/usb/dwc3/gadget.c:510: warning: Excess function parameter 'dwc' description in 'dwc3_gadget_start_config' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/bus.c:1: warning: no structured comments found drivers/usb/typec/bus.c:268: warning: Function parameter or member 'mode' not described in 'typec_match_altmode' drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode' drivers/usb/typec/class.c:1: warning: no structured comments found include/linux/w1.h:281: warning: Function parameter or member 'of_match_table' not described in 'w1_family' fs/direct-io.c:257: warning: Excess function parameter 'offset' description in 'dio_complete' fs/file_table.c:1: warning: no structured comments found fs/libfs.c:477: warning: Excess function parameter 'available' description in 'simple_write_end' fs/posix_acl.c:646: warning: Function parameter or member 'inode' not described in 'posix_acl_update_mode' fs/posix_acl.c:646: warning: Function parameter or member 'mode_p' not described in 'posix_acl_update_mode' fs/posix_acl.c:646: warning: Function parameter or member 'acl' not described in 'posix_acl_update_mode' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:183: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_read_lock' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:254: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_invalidate_range_start_gfx' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:302: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_invalidate_range_start_hsa' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2986: warning: Excess function parameter 'dev' description in 'amdgpu_vm_get_task_info' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2987: warning: Function parameter or member 'adev' not described in 'amdgpu_vm_get_task_info' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2987: warning: Excess function parameter 'dev' description in 'amdgpu_vm_get_task_info' include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_pin' not described in 'drm_driver' include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_unpin' not described in 'drm_driver' include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_res_obj' not described in 'drm_driver' include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_get_sg_table' not described in 'drm_driver' include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_import_sg_table' not described in 'drm_driver' include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_vmap' not described in 'drm_driver' include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_vunmap' not described in 'drm_driver' include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_mmap' not described in 'drm_driver' include/drm/drm_panel.h:98: warning: Function parameter or member 'link' not described in 'drm_panel' drivers/gpu/drm/i915/i915_vma.h:49: warning: cannot understand function prototype: 'struct i915_vma ' drivers/gpu/drm/i915/i915_vma.h:1: warning: no structured comments found drivers/gpu/drm/i915/intel_guc_fwif.h:553: warning: cannot understand function prototype: 'struct guc_log_buffer_state ' drivers/gpu/drm/i915/i915_trace.h:1: warning: no structured comments found include/linux/skbuff.h:860: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'list' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'ip_defrag_offset' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'skb_mstamp' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member '__cloned_offset' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'head_frag' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member '__pkt_type_offset' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'encapsulation' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'encap_hdr_csum' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'csum_valid' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'csum_complete_sw' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'csum_level' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'inner_protocol_type' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'remcsum_offload' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'offload_fwd_mark' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'offload_mr_fwd_mark' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'sender_cpu' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff' include/linux/skbuff.h:860: warning: Function parameter or member 'inner_ipproto' not described in 'sk_buff' include/net/sock.h:238: warning: Function parameter or member 'skc_addrpair' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_portpair' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_ipv6only' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_net_refcnt' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_v6_daddr' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_v6_rcv_saddr' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_cookie' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_listener' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_tw_dr' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_rcv_wnd' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_tw_rcv_nxt' not described in 'sock_common' include/net/sock.h:509: warning: Function parameter or member 'sk_backlog.rmem_alloc' not described in 'sock' include/net/sock.h:509: warning: Function parameter or member 'sk_backlog.len' not described in 'sock' include/net/sock.h:509: warning: Function parameter or member 'sk_backlog.head' not described in 'sock' include/net/sock.h:509: warning: Function parameter or member 'sk_backlog.tail' not described in 'sock' include/net/sock.h:509: warning: Function parameter or member 'sk_wq_raw' not described in 'sock' include/net/sock.h:509: warning: Function parameter or member 'tcp_rtx_queue' not described in 'sock' include/net/sock.h:509: warning: Function parameter or member 'sk_route_forced_caps' not described in 'sock' include/net/sock.h:509: warning: Function parameter or member 'sk_txtime_report_errors' not described in 'sock' include/net/sock.h:509: warning: Function parameter or member 'sk_validate_xmit_skb' not described in 'sock' include/linux/netdevice.h:2018: warning: Function parameter or member 'adj_list.upper' not described in 'net_device' include/linux/netdevice.h:2018: warning: Function parameter or member 'adj_list.lower' not described in 'net_device' include/linux/netdevice.h:2018: warning: Function parameter or member 'gso_partial_features' not described in 'net_device' include/linux/netdevice.h:2018: warning: Function parameter or member 'switchdev_ops' not described in 'net_device' include/linux/netdevice.h:2018: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device' include/linux/netdevice.h:2018: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device' # https://github.com/0day-ci/linux/commit/dea6937cb6f545e86b0d5bc4c7e31be802de175d git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout dea6937cb6f545e86b0d5bc4c7e31be802de175d vim +2917 drivers/gpio/gpiolib.c d2876d08 David Brownell 2008-02-04 2898 eec1d566 Lukas Wunner 2017-10-12 2899 /** eec1d566 Lukas Wunner 2017-10-12 2900 * gpiod_get_raw_array_value() - read raw values from an array of GPIOs 916010a7 Janusz Krzysztofik 2018-09-02 2901 * @array_size: number of elements in the descriptor array / value bitmap eec1d566 Lukas Wunner 2017-10-12 2902 * @desc_array: array of GPIO descriptors whose values will be read 916010a7 Janusz Krzysztofik 2018-09-02 2903 * @value_bitmap: bitmap to store the read values eec1d566 Lukas Wunner 2017-10-12 2904 * eec1d566 Lukas Wunner 2017-10-12 2905 * Read the raw values of the GPIOs, i.e. the values of the physical lines eec1d566 Lukas Wunner 2017-10-12 2906 * without regard for their ACTIVE_LOW status. Return 0 in case of success, eec1d566 Lukas Wunner 2017-10-12 2907 * else an error code. eec1d566 Lukas Wunner 2017-10-12 2908 * eec1d566 Lukas Wunner 2017-10-12 2909 * This function should be called from contexts where we cannot sleep, eec1d566 Lukas Wunner 2017-10-12 2910 * and it will complain if the GPIO chip functions potentially sleep. eec1d566 Lukas Wunner 2017-10-12 2911 */ eec1d566 Lukas Wunner 2017-10-12 2912 int gpiod_get_raw_array_value(unsigned int array_size, 916010a7 Janusz Krzysztofik 2018-09-02 2913 struct gpio_desc **desc_array, dea6937c Janusz Krzysztofik 2018-09-02 2914 struct gpio_array *array_info, 916010a7 Janusz Krzysztofik 2018-09-02 2915 unsigned long *value_bitmap) eec1d566 Lukas Wunner 2017-10-12 2916 { eec1d566 Lukas Wunner 2017-10-12 @2917 if (!desc_array) eec1d566 Lukas Wunner 2017-10-12 2918 return -EINVAL; eec1d566 Lukas Wunner 2017-10-12 2919 return gpiod_get_array_value_complex(true, false, array_size, dea6937c Janusz Krzysztofik 2018-09-02 2920 desc_array, array_info, dea6937c Janusz Krzysztofik 2018-09-02 2921 value_bitmap); eec1d566 Lukas Wunner 2017-10-12 2922 } eec1d566 Lukas Wunner 2017-10-12 2923 EXPORT_SYMBOL_GPL(gpiod_get_raw_array_value); eec1d566 Lukas Wunner 2017-10-12 2924 eec1d566 Lukas Wunner 2017-10-12 2925 /** eec1d566 Lukas Wunner 2017-10-12 2926 * gpiod_get_array_value() - read values from an array of GPIOs 916010a7 Janusz Krzysztofik 2018-09-02 2927 * @array_size: number of elements in the descriptor array / value bitmap eec1d566 Lukas Wunner 2017-10-12 2928 * @desc_array: array of GPIO descriptors whose values will be read 916010a7 Janusz Krzysztofik 2018-09-02 2929 * @value_bitnap: bitmap to store the read values eec1d566 Lukas Wunner 2017-10-12 2930 * eec1d566 Lukas Wunner 2017-10-12 2931 * Read the logical values of the GPIOs, i.e. taking their ACTIVE_LOW status eec1d566 Lukas Wunner 2017-10-12 2932 * into account. Return 0 in case of success, else an error code. eec1d566 Lukas Wunner 2017-10-12 2933 * eec1d566 Lukas Wunner 2017-10-12 2934 * This function should be called from contexts where we cannot sleep, eec1d566 Lukas Wunner 2017-10-12 2935 * and it will complain if the GPIO chip functions potentially sleep. eec1d566 Lukas Wunner 2017-10-12 2936 */ eec1d566 Lukas Wunner 2017-10-12 2937 int gpiod_get_array_value(unsigned int array_size, 916010a7 Janusz Krzysztofik 2018-09-02 2938 struct gpio_desc **desc_array, dea6937c Janusz Krzysztofik 2018-09-02 2939 struct gpio_array *array_info, 916010a7 Janusz Krzysztofik 2018-09-02 2940 unsigned long *value_bitmap) eec1d566 Lukas Wunner 2017-10-12 2941 { eec1d566 Lukas Wunner 2017-10-12 @2942 if (!desc_array) eec1d566 Lukas Wunner 2017-10-12 2943 return -EINVAL; eec1d566 Lukas Wunner 2017-10-12 2944 return gpiod_get_array_value_complex(false, false, array_size, dea6937c Janusz Krzysztofik 2018-09-02 2945 desc_array, array_info, dea6937c Janusz Krzysztofik 2018-09-02 2946 value_bitmap); eec1d566 Lukas Wunner 2017-10-12 2947 } eec1d566 Lukas Wunner 2017-10-12 2948 EXPORT_SYMBOL_GPL(gpiod_get_array_value); eec1d566 Lukas Wunner 2017-10-12 2949 :::::: The code at line 2917 was first introduced by commit :::::: eec1d566cdf94b57e8f5ba9fe60eea214929bcfc gpio: Introduce ->get_multiple callback :::::: TO: Lukas Wunner <lukas@xxxxxxxxx> :::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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