On Thu, Jan 26, 2023 at 11:18 AM Niall Leonard via B4 Submission Endpoint <devnull+nl250060.ncr.com@xxxxxxxxxx> wrote: > From: Niall Leonard <nl250060@xxxxxxx> > > Use the existing shadow data register 'bgpio_data' to allow > the last written value to be returned by the read operation > when BGPIOF_NO_INPUT flag is set. > > Signed-off-by: Niall Leonard <nl250060@xxxxxxx> Weird hardware, but given these restrictions it makes perfect sense to have this. Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
Re: [PATCH 3/3] gpio: mmio: Use new flag BGPIOF_NO_INPUT
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- Subject: Re: [PATCH 3/3] gpio: mmio: Use new flag BGPIOF_NO_INPUT
- From: Linus Walleij <linus.walleij@xxxxxxxxxx>
- Date: Fri, 27 Jan 2023 13:53:25 +0100
- In-reply-to: <20230126-gpio-mmio-fix-v1-3-8a20ce0e8275@ncr.com>
- References: <20230126-gpio-mmio-fix-v1-0-8a20ce0e8275@ncr.com> <20230126-gpio-mmio-fix-v1-3-8a20ce0e8275@ncr.com>
- References:
- [PATCH 0/3] Introduce new optional property to mark port as write only
- From: Niall Leonard via B4 Submission Endpoint
- [PATCH 3/3] gpio: mmio: Use new flag BGPIOF_NO_INPUT
- From: Niall Leonard via B4 Submission Endpoint
- [PATCH 0/3] Introduce new optional property to mark port as write only
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