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Re: [PATCH v8 06/10] hw/ssi: imx_spi: Rework imx_spi_write() to handle b


From: Peter Maydell
Subject: Re: [PATCH v8 06/10] hw/ssi: imx_spi: Rework imx_spi_write() to handle block disabled
Date: Thu, 28 Jan 2021 13:34:08 +0000

On Tue, 19 Jan 2021 at 13:40, Bin Meng <bmeng.cn@gmail.com> wrote:
>
> From: Philippe Mathieu-Daudé <f4bug@amsat.org>
>
> When the block is disabled, only the ECSPI_CONREG register can
> be modified. Setting the EN bit enabled the device, clearing it
> "disables the block and resets the internal logic with the
> exception of the ECSPI_CONREG" register.
>
> Ignore all other registers write except ECSPI_CONREG when the
> block is disabled.
>
> Ref: i.MX 6DQ Applications Processor Reference Manual (IMX6DQRM),
>      chapter 21.7.3: Control Register (ECSPIx_CONREG)
>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> Message-Id: <20210115153049.3353008-6-f4bug@amsat.org>
> Signed-off-by: Bin Meng <bin.meng@windriver.com>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM



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