AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/tty/serial/8250
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Peter Shih 100bc3e2be tty: serial: 8250_mtk: always resume the device in probe. 
serial8250_register_8250_port calls uart_config_port, which calls
config_port on the port before it tries to power on the port. So we need
the port to be on before calling serial8250_register_8250_port. Change
the code to always do a runtime resume in probe before registering port,
and always do a runtime suspend in remove.

This basically reverts the change in commit 68e5fc4a25 ("tty: serial:
8250_mtk: use pm_runtime callbacks for enabling"), but still use
pm_runtime callbacks.

Fixes: 68e5fc4a25 ("tty: serial: 8250_mtk: use pm_runtime callbacks for enabling")
Signed-off-by: Peter Shih <pihsun@chromium.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05 11:31:21 +01:00
..
8250_accent.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_acorn.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_aspeed_vuart.c serial/aspeed-vuart: fix a couple mod_timer() calls 2018-05-14 13:51:11 +02:00
8250_bcm2835aux.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_boca.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_core.c serial: 8250: drop the printk from serial8250_interrupt() 2018-09-18 16:07:23 +02:00
8250_dma.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_dw.c Revert "serial: 8250_dw: Fix runtime PM handling" 2018-10-02 14:35:10 -07:00
8250_early.c serial: 8250_early: Setup divider when uartclk is passed 2018-04-25 14:56:12 +02:00
8250_em.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
8250_exar_st16c554.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_exar.c serial: 8250_exar: Read INT0 from slave device, too 2018-08-02 10:11:35 +02:00
8250_fintek.c serial: 8250_fintek: Fix crash with baud rate B0 2017-11-08 13:09:35 +01:00
8250_fourport.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_fsl.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_gsc.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_hp300.c tty: add SPDX identifiers to all remaining files in drivers/tty/ 2017-11-08 13:08:12 +01:00
8250_hub6.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_ingenic.c serial: 8250_ingenic: Parse earlycon options 2018-01-09 16:49:14 +01:00
8250_lpc18xx.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_lpss.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_men_mcb.c 8250-men-mcb: add support for 16z025 and 16z057 2018-03-15 18:12:55 +01:00
8250_mid.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_moxa.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_mtk.c tty: serial: 8250_mtk: always resume the device in probe. 2018-12-05 11:31:21 +01:00
8250_of.c serial: 8250_of: Fix for lack of interrupt support 2018-09-18 16:07:25 +02:00
8250_omap.c serial: 8250_omap: Add support for AM654 UART controller 2018-06-28 21:23:44 +09:00
8250_pci.c serial: 8250_pci: Remove stalled entries in blacklist 2018-06-28 21:34:39 +09:00
8250_pnp.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_port.c serial: 8250: Fix clearing FIFOs in RS485 mode again 2018-09-18 16:07:25 +02:00
8250_pxa.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_uniphier.c serial: 8250_uniphier: add auto-flow-control support 2018-10-02 13:38:58 -07:00
8250.h tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
Kconfig serial: 8250_omap: Make 8250_omap driver driver depend on ARCH_K3 2018-09-18 16:07:24 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
serial_cs.c drivers/tty: add error handling for pcmcia_loop_config 2018-06-28 21:23:44 +09:00