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

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Message-ID: <2023080643-chalice-exploring-e7ca@gregkh>
Date:   Sun, 6 Aug 2023 12:20:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Jisheng Zhang <jszhang@...nel.org>
Cc:     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>,
        linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] serial: 8250_dw: fall back to poll if there's no
 interrupt

On Sun, Aug 06, 2023 at 05:20:54PM +0800, Jisheng Zhang wrote:
> 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.

Ouch, really?  Why not just fix the hardware instead?