- 06 Nov, 2020 36 commits
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Vignesh Raghavendra authored
UARTs on TI SoCs prior to J7200 don't provide independent control over RX FIFO not empty interrupt (RHR_IT) and RX timeout interrupt. Starting with J7200 SoC, its possible to disable RHR_IT independent of RX timeout interrupt using bit 2 of IER2 register. So disable RHR_IT once RX DMA is started so as to avoid spurious interrupt being raised when data is in the RX FIFO but is yet to be drained by DMA (a known errata in older SoCs). Signed-off-by:
Vignesh Raghavendra <vigneshr@ti.com> Link: https://lore.kernel.org/r/20201029051930.7097-1-vigneshr@ti.comSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Liu Xiang authored
The '|' operation of status in linflex_rxint is unnecessary, so it can be removed. Signed-off-by:
Liu Xiang <liuxiang_1999@126.com> Link: https://lore.kernel.org/r/1604065391-3790-1-git-send-email-liuxiang_1999@126.comSigned-off-by:
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YueHaibing authored
drivers/tty/serial/serial_mctrl_gpio.c:214 mctrl_gpio_init() warn: passing zero to 'ERR_PTR' gpiod_to_irq() never return 0, so remove the useless test and make code more clear. Reviewed-by:
Jiri Slaby <jirislaby@kernel.org> Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Link: https://lore.kernel.org/r/20201031030530.1304-1-yuehaibing@huawei.comSigned-off-by:
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Lee Jones authored
A note from the vendor: "The hardware used with synclink.c and synclinkmp.c has not been manufactured for 15 years and was low volume. The chances of either driver still being in use is very low. Not even Microgate (me) has the ability to test either anymore (no hardware). I don’t know the policy about driver removal, but I think both could be removed without upsetting anyone." Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> 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/20201105123357.708813-3-lee.jones@linaro.orgSigned-off-by:
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Lee Jones authored
A note from the vendor: "The hardware used with synclink.c and synclinkmp.c has not been manufactured for 15 years and was low volume. The chances of either driver still being in use is very low. Not even Microgate (me) has the ability to test either anymore (no hardware). I don’t know the policy about driver removal, but I think both could be removed without upsetting anyone." Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by:
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Thomas Bogendoerfer authored
Commit 625326ea ("MIPS: Remove PNX833x alias NXP_STB22x") removed support for PNX833x, so it's time to remove serial driver, too. Signed-off-by:
Thomas Bogendoerfer <tsbogend@alpha.franken.de> Link: https://lore.kernel.org/r/20201106130332.103476-1-tsbogend@alpha.franken.deSigned-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/synclink.c:7708: 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:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/hvc/hvc_opal.c:106:6: warning: no previous prototype for ‘hvc_opal_hvsi_hangup’ [-Wmissing-prototypes] Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
Palmer Dabbelt <palmerdabbelt@google.com> Acked-by:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Link: https://lore.kernel.org/r/20201104193549.4026187-21-lee.jones@linaro.orgSigned-off-by:
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Lee Jones authored
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:
Vladimir Zapolskiy <vz@mleia.com> Link: https://lore.kernel.org/r/20201104193549.4026187-20-lee.jones@linaro.orgSigned-off-by:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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Lee Jones authored
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:
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- 04 Nov, 2020 4 commits
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Jiri Slaby authored
'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.czSigned-off-by:
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Jiri Slaby authored
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:
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Jiri Slaby authored
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:
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Jiri Slaby authored
Do the permission check on a single place. That is where perm is really checked. Signed-off-by:
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