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Date: Tue, 6 Sep 2022 12:04:21 -0700 From: matthew.gerlach@...ux.intel.com To: hao.wu@...el.com, yilun.xu@...el.com, russell.h.weight@...el.com, basheer.ahmed.muddebihal@...el.com, trix@...hat.com, mdf@...nel.org, linux-fpga@...r.kernel.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, tianfei.zhang@...el.com, corbet@....net, gregkh@...uxfoundation.org, linux-serial@...r.kernel.org, jirislaby@...nel.org, geert+renesas@...der.be, andriy.shevchenko@...ux.intel.com, niklas.soderlund+renesas@...natech.se, phil.edworthy@...esas.com, macro@...am.me.uk, johan@...nel.org, lukas@...ner.de Cc: Matthew Gerlach <matthew.gerlach@...el.com> Subject: [PATCH v1 0/5] Enhance definition of DFH and use enhancements for uart driver From: Matthew Gerlach <matthew.gerlach@...el.com> This patchset enhances the definition of the Device Feature Header (DFH) used by the Device Feature List (DFL) bus and then uses the new enhancements in a uart driver. Patch 1 updates the DFL documentation to provide the motivation behind the enhancements to the definition of the DFH. Patch 2 moves some of the DFH definitions to include/linux/dfl.h so that they can be accessed by drivers outside of drivers/fpga. Patch 3 adds the definitions for DFHv1. Patch 4 defines and uses a DFHv1 parameter to provide a generic mechanism for describing MSIX interrupts used by a particular feature instance. Patch 5 adds a DFL uart driver that makes use of the new features of DFHv1. Basheer Ahmed Muddebihal (2): fpga: dfl: Move the DFH definitions fpga: dfl: Add DFHv1 Register Definitions Matthew Gerlach (3): Documentation: fpga: dfl: Add documentation for DFHv1 fpga: dfl: add generic support for MSIX interrupts tty: serial: 8250: add DFL bus driver for Altera 16550. Documentation/fpga/dfl.rst | 24 ++++ drivers/fpga/dfl.c | 59 ++++++--- drivers/fpga/dfl.h | 22 +--- drivers/tty/serial/8250/8250_dfl.c | 188 +++++++++++++++++++++++++++++ drivers/tty/serial/8250/Kconfig | 9 ++ drivers/tty/serial/8250/Makefile | 1 + include/linux/dfl.h | 80 +++++++++++- 7 files changed, 347 insertions(+), 36 deletions(-) create mode 100644 drivers/tty/serial/8250/8250_dfl.c -- 2.25.1
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