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2020-11-06tty: hvc: hvc_vio: Staticify function invoked only by referenceLee Jones1-1/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/hvc/hvc_vio.c:181:6: warning: no previous prototype for ‘hvterm_hvsi_hangup’ [-Wmissing-prototypes] 181 | void hvterm_hvsi_hangup(struct hvc_struct *hp, int data) | ^~~~~~~~~~~~~~~~~~ Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-33-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: serial-tegra: Provide some missing struct member descriptionsLee Jones1-0/+5
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/serial-tegra.c:94: warning: Function parameter or member 'fifo_mode_enable_status' not described in 'tegra_uart_chip_data' drivers/tty/serial/serial-tegra.c:94: warning: Function parameter or member 'uart_max_port' not described in 'tegra_uart_chip_data' drivers/tty/serial/serial-tegra.c:94: warning: Function parameter or member 'max_dma_burst_bytes' not described in 'tegra_uart_chip_data' drivers/tty/serial/serial-tegra.c:94: warning: Function parameter or member 'error_tolerance_low_range' not described in 'tegra_uart_chip_data' drivers/tty/serial/serial-tegra.c:94: warning: Function parameter or member 'error_tolerance_high_range' not described in 'tegra_uart_chip_data' Cc: Laxman Dewangan <ldewangan@nvidia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: linux-serial@vger.kernel.org Cc: linux-tegra@vger.kernel.org Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linaro-mm-sig@lists.linaro.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-31-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: tty_ldisc: Supply missing description for 'tty_ldisc_get's 'tty' paramLee Jones1-0/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_ldisc.c:160: warning: Function parameter or member 'tty' not described in 'tty_ldisc_get' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-30-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: stm32-usart: Remove set but unused 'cookie' variablesLee Jones1-4/+2
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/stm32-usart.c: In function ‘stm32_transmit_chars_dma’: drivers/tty/serial/stm32-usart.c:353:15: warning: variable ‘cookie’ set but not used [-Wunused-but-set-variable] drivers/tty/serial/stm32-usart.c: In function ‘stm32_of_dma_rx_probe’: drivers/tty/serial/stm32-usart.c:1090:15: warning: variable ‘cookie’ set but not used [-Wunused-but-set-variable] Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Gerald Baeza <gerald.baeza@st.com> Cc: linux-serial@vger.kernel.org Cc: linux-stm32@st-md-mailman.stormreply.com Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-29-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: synclinkmp: Add missing description for function param 'txqueue'Lee Jones1-0/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/synclinkmp.c:1808: warning: Function parameter or member 'txqueue' not described in 'hdlcdev_tx_timeout' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: paulkf@microgate.com Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-27-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: sifive: Struct headers should start with 'struct <name>'Lee Jones1-1/+2
Also supply a missing member description. Fixes the following W=1 kernel build warning(s): drivers/tty/serial/sifive.c:157: warning: cannot understand function prototype: 'struct sifive_serial_port ' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: linux-serial@vger.kernel.org Cc: linux-riscv@lists.infradead.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com> Link: https://lore.kernel.org/r/20201104193549.4026187-26-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: serial-tegra: Struct headers should start with 'struct <name>'Lee Jones1-1/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/serial-tegra.c:85: warning: cannot understand function prototype: 'struct tegra_uart_chip_data ' Cc: Laxman Dewangan <ldewangan@nvidia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: linux-serial@vger.kernel.org Cc: linux-tegra@vger.kernel.org Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linaro-mm-sig@lists.linaro.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-25-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: synclink_gt: Demote one kernel-doc header and repair anotherLee Jones1-1/+2
Fixes the following W=1 kernel build warning(s): drivers/tty/synclink_gt.c:633: warning: Function parameter or member 'tty' not described in 'ldisc_receive_buf' drivers/tty/synclink_gt.c:633: warning: Function parameter or member 'data' not described in 'ldisc_receive_buf' drivers/tty/synclink_gt.c:633: warning: Function parameter or member 'flags' not described in 'ldisc_receive_buf' drivers/tty/synclink_gt.c:633: warning: Function parameter or member 'count' not described in 'ldisc_receive_buf' drivers/tty/synclink_gt.c:1683: warning: Function parameter or member 'txqueue' not described in 'hdlcdev_tx_timeout' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: paulkf@microgate.com Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-24-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: xilinx_uartps: Supply description for missing member 'cts_override'Lee Jones1-0/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/xilinx_uartps.c:205: warning: Function parameter or member 'cts_override' not described in 'cdns_uart' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Michal Simek <michal.simek@xilinx.com> Cc: linux-serial@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-23-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: ifx6x60: Fix function documentation headersLee Jones1-1/+2
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/ifx6x60.c:553: warning: Function parameter or member 'tty' not described in 'ifx_port_activate' drivers/tty/serial/ifx6x60.c:728: warning: Function parameter or member 't' not described in 'ifx_spi_io' drivers/tty/serial/ifx6x60.c:728: warning: Excess function parameter 'data' description in 'ifx_spi_io' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Filip Aben <f.aben@option.com> Cc: Joseph Barrow <d.barow@option.com> Cc: Jan Dumon <j.dumon@option.com> Cc: Russ Gorby <russ.gorby@intel.com> Cc: linux-serial@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-22-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: msm_serial: Remove set but unused variable 'status'Lee Jones1-2/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/msm_serial.c: In function ‘msm_complete_tx_dma’: drivers/tty/serial/msm_serial.c:429:18: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Robert Love <rlove@google.com> Cc: linux-arm-msm@vger.kernel.org Cc: linux-serial@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Link: https://lore.kernel.org/r/20201104193549.4026187-21-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: lpc32xx_hs: Remove unused variable 'tmp'Lee Jones1-2/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/lpc32xx_hs.c: In function ‘__serial_uart_flush’: drivers/tty/serial/lpc32xx_hs.c:244:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable] Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Vladimir Zapolskiy <vz@mleia.com> Cc: Sylvain Lemieux <slemieux.tyco@gmail.com> Cc: Kevin Wells <kevin.wells@nxp.com> Cc: Roland Stigge <stigge@antcom.de> Cc: linux-serial@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Vladimir Zapolskiy <vz@mleia.com> Link: https://lore.kernel.org/r/20201104193549.4026187-20-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: n_gsm: Demote obvious abuse of kernel-doc and supply other missing docssLee Jones1-1/+3
Fixes the following W=1 kernel build warning(s): drivers/tty/n_gsm.c:85: warning: Function parameter or member 'ref' not described in 'gsm_mux_net' drivers/tty/n_gsm.c:85: warning: Function parameter or member 'dlci' not described in 'gsm_mux_net' drivers/tty/n_gsm.c:664: warning: Function parameter or member 'dlci' not described in 'gsm_data_kick' drivers/tty/n_gsm.c:1015: warning: Function parameter or member 'clen' not described in 'gsm_process_modem' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-19-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: amba-pl011: Mark 'sbsa_uart_acpi_match' as __maybe_unusedLee Jones1-1/+1
When !ACPI 'sbsa_uart_acpi_match' is not referenced. Fixes the following W=1 kernel build warning(s): drivers/tty/serial/amba-pl011.c:2792:36: warning: ‘sbsa_uart_acpi_match’ defined but not used [-Wunused-const-variable=] Cc: Russell King <linux@armlinux.org.uk> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linux-serial@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-18-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: pty: Provide descriptions for the 'file' parametersLee Jones1-0/+2
Fixes the following W=1 kernel build warning(s): drivers/tty/pty.c:710: warning: Function parameter or member 'file' not described in 'ptm_unix98_lookup' drivers/tty/pty.c:726: warning: Function parameter or member 'file' not described in 'pts_unix98_lookup' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: "C. Scott Ananian" <cananian@alumni.princeton.edu> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-17-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: tty_audit: Demote non-conformant kernel-doc headersLee Jones1-6/+6
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_audit.c:91: warning: Function parameter or member 'buf' not described in 'tty_audit_buf_push' drivers/tty/tty_audit.c:129: warning: Function parameter or member 'sig' not described in 'tty_audit_fork' drivers/tty/tty_audit.c:137: warning: Function parameter or member 'tty' not described in 'tty_audit_tiocsti' drivers/tty/tty_audit.c:137: warning: Function parameter or member 'ch' not described in 'tty_audit_tiocsti' drivers/tty/tty_audit.c:202: warning: Function parameter or member 'tty' not described in 'tty_audit_add_data' drivers/tty/tty_audit.c:202: warning: Function parameter or member 'data' not described in 'tty_audit_add_data' drivers/tty/tty_audit.c:202: warning: Function parameter or member 'size' not described in 'tty_audit_add_data' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Miloslav Trmac <mitr@redhat.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-16-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: 8250: serial_cs: Remove unused/unchecked variable 'err'Lee Jones1-6/+3
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/8250/serial_cs.c: In function ‘multi_config’: drivers/tty/serial/8250/serial_cs.c:562:7: warning: variable ‘err’ set but not used [-Wunused-but-set-variable] Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Colin Ian King <colin.king@canonical.com> Cc: "David A. Hinds" <dahinds@users.sourceforge.net> Cc: linux-serial@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-15-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: tty_io: Fix some kernel-doc issuesLee Jones1-3/+7
Demote non-conformant headers and supply some missing descriptions. Fixes the following W=1 kernel build warning(s): drivers/tty/tty_io.c:218: warning: Function parameter or member 'file' not described in 'tty_free_file' drivers/tty/tty_io.c:566: warning: Function parameter or member 'exit_session' not described in '__tty_hangup' drivers/tty/tty_io.c:1077: warning: Function parameter or member 'tty' not described in 'tty_send_xchar' drivers/tty/tty_io.c:1077: warning: Function parameter or member 'ch' not described in 'tty_send_xchar' drivers/tty/tty_io.c:1155: warning: Function parameter or member 'file' not described in 'tty_driver_lookup_tty' drivers/tty/tty_io.c:1508: warning: Function parameter or member 'tty' not described in 'release_tty' drivers/tty/tty_io.c:1508: warning: Function parameter or member 'idx' not described in 'release_tty' drivers/tty/tty_io.c:2973: warning: Function parameter or member 'driver' not described in 'alloc_tty_struct' drivers/tty/tty_io.c:2973: warning: Function parameter or member 'idx' not described in 'alloc_tty_struct' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Nick Holloway <alfie@dcs.warwick.ac.uk> Cc: -- <julian@uhunix.uhcc.hawaii.edu> Cc: Marko Kohtala <Marko.Kohtala@hut.fi> Cc: Bill Hawes <whawes@star.net> Cc: "C. Scott Ananian" <cananian@alumni.princeton.edu> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Andrew Morton <andrewm@uow.edu.eu> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-13-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serial: jsm: jsm_cls: Remove unused variable 'discard'Lee Jones1-3/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/jsm/jsm_cls.c: In function ‘cls_copy_data_from_uart_to_queue’: drivers/tty/serial/jsm/jsm_cls.c:400:7: warning: variable ‘discard’ set but not used [-Wunused-but-set-variable] Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linux-serial@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-12-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: n_tty: Add 2 missing parameter descriptionsLee Jones1-0/+2
Fixes the following W=1 kernel build warning(s): drivers/tty/n_tty.c:405: warning: Function parameter or member 'tty' not described in 'is_continuation' drivers/tty/n_tty.c:1701: warning: Function parameter or member 'flow' not described in 'n_tty_receive_buf_common' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: "Andrew J. Kroll" <ag784@freenet.buffalo.edu> Cc: processes-Sapan Bhatia <sapan@corewars.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-11-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: vt: consolemap: Demote weakly documented function headerLee Jones1-2/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/vt/consolemap.c:739: warning: Function parameter or member 'ct' not described in 'con_get_unimap' drivers/tty/vt/consolemap.c:739: warning: Function parameter or member 'uct' not described in 'con_get_unimap' drivers/tty/vt/consolemap.c:739: warning: Function parameter or member 'list' not described in 'con_get_unimap' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Jakub Jelinek <jj@ultra.linux.cz> Cc: Stanislav Voronyi <stas@cnti.uanet.kharkov.ua> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-10-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: tty_jobctrl: Add missing function parameter descriptionsLee Jones1-0/+3
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_jobctrl.c:32: warning: Function parameter or member 'sig' not described in '__tty_check_change' drivers/tty/tty_jobctrl.c:95: warning: Function parameter or member 'tty' not described in '__proc_set_tty' drivers/tty/tty_jobctrl.c:344: warning: Function parameter or member 'file' not described in 'tiocsctty' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-8-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: tty_port: Demote obvious abuse of kernel-doc formattingLee Jones1-2/+2
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_port.c:633: warning: Function parameter or member 'port' not described in 'tty_port_close' drivers/tty/tty_port.c:633: warning: Function parameter or member 'tty' not described in 'tty_port_close' drivers/tty/tty_port.c:633: warning: Function parameter or member 'filp' not described in 'tty_port_close' drivers/tty/tty_port.c:672: warning: Function parameter or member 'port' not described in 'tty_port_open' drivers/tty/tty_port.c:672: warning: Function parameter or member 'tty' not described in 'tty_port_open' drivers/tty/tty_port.c:672: warning: Function parameter or member 'filp' not described in 'tty_port_open' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-7-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: tty_buffer: Add missing description for 'limit'Lee Jones1-0/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_buffer.c:592: warning: Function parameter or member 'limit' not described in 'tty_buffer_set_limit' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-6-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: tty_io: Move 'tty_sysctl_init's prototype to shared spaceLee Jones1-2/+0
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_ldisc.c:883:6: warning: no previous prototype for ‘tty_sysctl_init’ [-Wmissing-prototypes] 883 | void tty_sysctl_init(void) | ^~~~~~~~~~~~~~~ Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Nick Holloway <alfie@dcs.warwick.ac.uk> Cc: -- <julian@uhunix.uhcc.hawaii.edu> Cc: Marko Kohtala <Marko.Kohtala@hut.fi> Cc: Bill Hawes <whawes@star.net> Cc: "C. Scott Ananian" <cananian@alumni.princeton.edu> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Andrew Morton <andrewm@uow.edu.eu> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-5-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: tty_baudrate: Add missing description for 'tty'Lee Jones1-0/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_baudrate.c:234: warning: Function parameter or member 'tty' not described in 'tty_encode_baud_rate' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-4-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serdev: core: Provide missing description for 'owner'Lee Jones1-0/+1
Fixes the following W=1 kernel build warning(s): drivers/tty/serdev/core.c: In function ‘serdev_controller_remove’: drivers/tty/serdev/core.c:811: warning: Function parameter or member 'owner' not described in '__serdev_device_driver_register' Cc: Rob Herring <robh@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linux-serial@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-3-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-06tty: serdev: core: Remove unused variable 'dummy'Lee Jones1-4/+1
No need to have a dummy variable here. Fixes the following W=1 kernel build warning(s): drivers/tty/serdev/core.c: In function ‘serdev_controller_remove’: drivers/tty/serdev/core.c:791:6: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable] Cc: Rob Herring <robh@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linux-serial@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-2-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, use tty_insert_flip_string in puts_queueJiri Slaby1-5/+2
'puts_queue' currently loops over characters and employs the full tty buffer machinery for every character. Do the buffer allocation only once and copy all the character at once. This is achieved using tty_insert_flip_string instead of loop+tty_insert_flip_char. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-17-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, use find_next_bit in kbd_matchJiri Slaby1-8/+6
Instead of a 'for' loop with 'test_bit's to find a bit in a range, use find_next_bit to achieve the same in a simpler and faster manner. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-16-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, make HW_RAW a functionJiri Slaby1-6/+16
Instead of a multiline macro, convert HW_RAW to an inline function. It allows for type checking of the parameter. And given we split the code into two tests, it is now more readable too. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-15-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, union perm checks in vt_do_kdgkb_ioctlJiri Slaby1-4/+1
Do the permission check on a single place. That is where perm is really checked. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-14-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, extract and simplify vt_kdskbsentJiri Slaby1-79/+23
Setting of function key strings is now very complex. It uses a global buffer 'func_buf' which is prefilled in defkeymap.c_shipped. Then there is also an index table called 'func_table'. So initially, we have something like this: char func_buf[] = "\e[[A\0" // for F1 "\e[[B\0" // for F2 ...; char *func_table[] = { func_buf + 0, // for F1 func_buf + 5, // for F2 ... } When a user changes some specific func string by KDSKBSENT, it is changed in 'func_buf'. If it is shorter or equal to the current one, it is handled by a very quick 'strcpy'. When the user's string is longer, the whole 'func_buf' is reallocated to allow expansion somewhere in the middle. The buffer before the user's string is copied, the user's string appended and the rest appended too. Now, the index table (func_table) needs to be recomputed, of course. One more complication is the held spinlock -- we have to unlock, reallocate, lock again and do the whole thing again to be sure noone raced with us. In this patch, we chose completely orthogonal approach: when the user's string is longer than the current one, we simply assign the 'kstrdup'ed copy to the index table (func_table) and modify func_buf in no way. We only need to make sure we free the old entries. So we need a bitmap is_kmalloc and free the old entries (but not the original func_buf rodata string). Also note that we do not waste so much space as previous approach. We only allocate space for single entries which are longer, while before, the whole buffer was duplicated plus space for the longer string. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-12-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, reorder user buffer handling in vt_do_kdgkb_ioctlJiri Slaby1-22/+20
KDGKBSENT (the getter) needs only 'user_kdgkb->kb_func' from the userspace, i.e. the index. Then it needs a buffer for a local copy of 'kb_string'. KDSKBSENT (the setter) needs a copy up to the length of 'user_kdgkb->kb_string'. That means, we obtain the index before the switch-case and use it in both paths and: 1) allocate full space in the getter case, and 2) copy the string only in the setter case. We do it by strndup_user helper now which was not available when this function was written. Given we copy the two members of 'struct kbsentry' separately, we no longer need a local definition. Hence we need to change all the sizeofs here too. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-11-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, rename i to kb_func in vt_do_kdgkb_ioctlJiri Slaby1-8/+9
There are too many one-letter variables in vt_do_kdgkb_ioctl which is rather confusing. Rename 'i' to 'kb_func' and change its type to be the same as its originating value (struct kbsentry.kb_func) -- unsigned char. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-10-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, use bool for repJiri Slaby1-1/+1
rep is used as a bool in the code, so declare it as such. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-9-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, use DECLARE_BITMAP for key_downJiri Slaby1-1/+1
key_down is sued as a bitmap using test_bit, set_bit and similar. So declare it using DECLARE_BITMAP to make it obvious even from the declaration. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-8-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, union perm checks in vt_do_kdsk_ioctlJiri Slaby1-4/+1
Do the permission check on a single place. That is where perm is really checked. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-7-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, extract vt_kdgkbent and vt_kdskbentJiri Slaby1-87/+102
Split vt_do_kdsk_ioctl into three functions: * getter (KDGKBENT/vt_kdgkbent) * setter (KDSKBENT/vt_kdskbent) * switch-case helper (vt_do_kdsk_ioctl) This eliminates the need of ugly one-letter macros as we use parameters now: * i aka tmp.kb_index -> idx * s aka tmp.kb_table -> map * v aka tmp.kb_value -> val Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-6-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, clean up max_valsJiri Slaby1-4/+16
Define one limit per line and index them by their index, so that it is clear what is what. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-5-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, sort includesJiri Slaby1-16/+15
There are many includes and it is hard to check if something is there or not. So sort them alphabetically. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-3-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, include linux/spinlock.hJiri Slaby1-0/+1
We use spin locks, but don't include linux/spinlock.h in keyboards.c. So fix this up. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-2-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04vt: keyboard, remove ctrl_alt_del declarationJiri Slaby1-2/+0
ctrl_alt_del is already declared in linux/reboot.h which we include. So remove this second (superfluous) declaration. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-1-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-04Merge 5.10-rc2 into tty-nextGreg Kroah-Hartman245-23428/+1523
We need the tty/vt/serial fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-01Merge tag 'char-misc-5.10-rc2' of ↵Linus Torvalds80-22441/+34
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc fixes/removals from Greg KH: "Here's some small fixes for 5.10-rc2 and a big driver removal. The fixes are for some reported issues in the interconnect and coresight drivers, nothing major. The "big" driver removal is the MIC drivers have been asked to be removed as the hardware never shipped and Intel no longer wants to maintain something that no one can use. This is welcomed by many as the DMA usage of these drivers was "interesting" and the security people were starting to question some issues that were starting to be found in the codebase. Note, one of the subsystems for this driver, the "VOP" code, will probably come back in future kernel versions as it was looking to potentially solve some PCIe virtualization issues that a number of other vendors were wanting to solve. But as-is, this codebase didn't work for anyone else so no actual functionality is being removed. All of these have been in linux-next with no reported issues" * tag 'char-misc-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: coresight: cti: Initialize dynamic sysfs attributes coresight: Fix uninitialised pointer bug in etm_setup_aux() coresight: add module license misc: mic: remove the MIC drivers interconnect: qcom: use icc_sync state for sm8[12]50 interconnect: qcom: Ensure that the floor bandwidth value is enforced interconnect: qcom: sc7180: Init BCMs before creating the nodes interconnect: qcom: sdm845: Init BCMs before creating the nodes interconnect: Aggregate before setting initial bandwidth interconnect: qcom: sdm845: Enable keepalive for the MM1 BCM
2020-11-01Merge tag 'staging-5.10-rc2' of ↵Linus Torvalds8-30/+49
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg KH: "Here are some small staging driver fixes for issues that have been reported in 5.10-rc1: - octeon driver fixes - wfx driver fixes - memory leak fix in vchiq driver - fieldbus driver bugfix - comedi driver bugfix All of these have been in linux-next with no reported issues" * tag 'staging-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: fieldbus: anybuss: jump to correct label in an error path staging: wfx: fix test on return value of gpiod_get_value() staging: wfx: fix use of uninitialized pointer staging: mmal-vchiq: Fix memory leak for vchiq_instance staging: comedi: cb_pcidas: Allow 2-channel commands for AO subdevice staging: octeon: Drop on uncorrectable alignment or FCS error staging: octeon: repair "fixed-link" support
2020-11-01Merge tag 'tty-5.10-rc2' of ↵Linus Torvalds4-38/+37
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial fixes from Greg KH: "Here are some small TTY and Serial driver fixes for reported issues for 5.10-rc2. They include: - vt ioctl bugfix for reported problems - fsl_lpuart serial driver fix - 21285 serial driver bugfix All have been in linux-next with no reported issues" * tag 'tty-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: vt_ioctl: fix GIO_UNIMAP regression vt: keyboard, extend func_buf_lock to readers vt: keyboard, simplify vt_kdgkbsent tty: serial: fsl_lpuart: LS1021A has a FIFO size of 16 words, like LS1028A tty: serial: 21285: fix lockup on open
2020-11-01Merge tag 'usb-5.10-rc2' of ↵Linus Torvalds21-137/+194
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB driver fixes from Greg KH: "Here are a number of small bugfixes for reported issues in some USB drivers. They include: - typec bugfixes - xhci bugfixes and lockdep warning fixes - cdc-acm driver regression fix - kernel doc fixes - cdns3 driver bugfixes for a bunch of reported issues - other tiny USB driver fixes All have been in linux-next with no reported issues" * tag 'usb-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: cdns3: gadget: own the lock wrongly at the suspend routine usb: cdns3: Fix on-chip memory overflow issue usb: cdns3: gadget: suspicious implicit sign extension xhci: Don't create stream debugfs files with spinlock held. usb: xhci: Workaround for S3 issue on AMD SNPS 3.0 xHC xhci: Fix sizeof() mismatch usb: typec: stusb160x: fix signedness comparison issue with enum variables usb: typec: add missing MODULE_DEVICE_TABLE() to stusb160x USB: apple-mfi-fastcharge: don't probe unhandled devices usbcore: Check both id_table and match() when both available usb: host: ehci-tegra: Fix error handling in tegra_ehci_probe() usb: typec: stusb160x: fix an IS_ERR() vs NULL check in probe usb: typec: tcpm: reset hard_reset_count for any disconnect usb: cdc-acm: fix cooldown mechanism usb: host: fsl-mph-dr-of: check return of dma_set_mask() usb: fix kernel-doc markups usb: typec: stusb160x: fix some signedness bugs usb: cdns3: Variable 'length' set but not used
2020-11-01Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds3-82/+129
Pull vhost fixes from Michael Tsirkin: "Fixes all over the place. A new UAPI is borderline: can also be considered a new feature but also seems to be the only way we could come up with to fix addressing for userspace - and it seems important to switch to it now before userspace making assumptions about addressing ability of devices is set in stone" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vdpasim: allow to assign a MAC address vdpasim: fix MAC address configuration vdpa: handle irq bypass register failure case vdpa_sim: Fix DMA mask Revert "vhost-vdpa: fix page pinning leakage in error path" vdpa/mlx5: Fix error return in map_direct_mr() vhost_vdpa: Return -EFAULT if copy_from_user() fails vdpa_sim: implement get_iova_range() vhost: vdpa: report iova range vdpa: introduce config op to get valid iova range
2020-11-01Merge tag 'flexible-array-conversions-5.10-rc2' of ↵Linus Torvalds6-10/+9
git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux Pull more flexible-array member conversions from Gustavo A. R. Silva: "Replace zero-length arrays with flexible-array members" * tag 'flexible-array-conversions-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: printk: ringbuffer: Replace zero-length array with flexible-array member net/smc: Replace zero-length array with flexible-array member net/mlx5: Replace zero-length array with flexible-array member mei: hw: Replace zero-length array with flexible-array member gve: Replace zero-length array with flexible-array member Bluetooth: btintel: Replace zero-length array with flexible-array member scsi: target: tcmu: Replace zero-length array with flexible-array member ima: Replace zero-length array with flexible-array member enetc: Replace zero-length array with flexible-array member fs: Replace zero-length array with flexible-array member Bluetooth: Replace zero-length array with flexible-array member params: Replace zero-length array with flexible-array member tracepoint: Replace zero-length array with flexible-array member platform/chrome: cros_ec_proto: Replace zero-length array with flexible-array member platform/chrome: cros_ec_commands: Replace zero-length array with flexible-array member mailbox: zynqmp-ipi-message: Replace zero-length array with flexible-array member dmaengine: ti-cppi5: Replace zero-length array with flexible-array member
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