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Date: Fri, 11 Nov 2022 21:41:27 +0530 From: Kumaravel Thiagarajan <kumaravel.thiagarajan@...rochip.com> To: <linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org> CC: <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>, <andriy.shevchenko@...ux.intel.com>, <ilpo.jarvinen@...ux.intel.com>, <macro@...am.me.uk>, <jay.dolan@...esio.com>, <cang1@...e.co.uk>, <u.kleine-koenig@...gutronix.de>, <wander@...hat.com>, <etremblay@...tech-controls.com>, <jk@...abs.org>, <biju.das.jz@...renesas.com>, <geert+renesas@...der.be>, <phil.edworthy@...esas.com>, <lukas@...ner.de>, <UNGLinuxDriver@...rochip.com> Subject: [PATCH v4 tty-next 0/3] 8250: microchip: pci1xxxx: Add driver for the pci1xxxx's quad-uart function pci1xxxx is a PCIe switch with a multi-function endpoint on one of its downstream ports. Quad-uart is one of the functions in the multi-function endpoint. This patch adds device driver for the quad-uart function and enumerates between 1 to 4 instances of uarts based on the PCIe subsystem device ID. The changes from v1->v2->v3->v4 are mentioned in each patch in the patchset. Thanks to Andy Shevchenko, Ilpo Jarvinen, Chritophe JAILLET, Geert Uytterhoeven, Greg KH for their review comments. Kumaravel Thiagarajan (3): 8250: microchip: pci1xxxx: Add driver for quad-uart support. 8250: microchip: pci1xxxx: Add rs485 support to quad-uart driver 8250: microchip: pci1xxxx: Add power management functions to quad-uart driver MAINTAINERS | 7 + drivers/tty/serial/8250/8250_pci.c | 24 +- drivers/tty/serial/8250/8250_pci1xxxx.c | 536 ++++++++++++++++++++++++ drivers/tty/serial/8250/8250_pcilib.c | 34 ++ drivers/tty/serial/8250/8250_pcilib.h | 5 + drivers/tty/serial/8250/8250_port.c | 8 + drivers/tty/serial/8250/Kconfig | 15 + drivers/tty/serial/8250/Makefile | 2 + include/uapi/linux/serial_core.h | 3 + 9 files changed, 612 insertions(+), 22 deletions(-) create mode 100644 drivers/tty/serial/8250/8250_pci1xxxx.c create mode 100644 drivers/tty/serial/8250/8250_pcilib.c create mode 100644 drivers/tty/serial/8250/8250_pcilib.h -- 2.25.1
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