linux-kernel - [PATCH v2 0/2] serial: 8250_dw: fall back to poll if there's no interrupt

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Date:   Sun,  6 Aug 2023 17:20:54 +0800
From:   Jisheng Zhang <jszhang@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Jiri Slaby <jirislaby@...nel.org>
Cc:     linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/2] serial: 8250_dw: fall back to poll if there's no interrupt

When there's no irq(this can be due to various reasons, for example,
no irq from HW support, or we just want to use poll solution, and so
on), falling back to poll is still better than no support at all.

patch1 makes the interrupt property in dt-binding optional
patch2 falls back to poll if there's no interrupt

since v1:
 - adopt Andy's suggestion to simplified the code

Jisheng Zhang (2):
  dt-bindings: serial: snps-dw-apb-uart: make interrupt optional
  serial: 8250_dw: fall back to poll if there's no interrupt

 .../devicetree/bindings/serial/snps-dw-apb-uart.yaml         | 1 -
 drivers/tty/serial/8250/8250_dw.c                            | 5 ++++-
 2 files changed, 4 insertions(+), 2 deletions(-)

-- 
2.40.1