Re: [PATCH v7 4/9] hw/ssi: imx_spi: Rework imx_spi_read() to handle block disabled

On 1/16/21 2:35 PM, Bin Meng wrote: > On Fri, Jan 15, 2021 at 11:37 PM Philippe Mathieu-Daudé > wrote: >> >> When the block is disabled, it stay it is 'internal reset logic' >> (internal clocks are gated off). Reading any register returns >> its reset value. Only update this value if the device

Re: [PATCH v7 4/9] hw/ssi: imx_spi: Rework imx_spi_read() to handle block disabled

On Fri, Jan 15, 2021 at 11:37 PM Philippe Mathieu-Daudé wrote: > > When the block is disabled, it stay it is 'internal reset logic' > (internal clocks are gated off). Reading any register returns > its reset value. Only update this value if the device is enabled. > > Ref: i.MX 6DQ Applications

[PATCH v7 4/9] hw/ssi: imx_spi: Rework imx_spi_read() to handle block disabled

When the block is disabled, it stay it is 'internal reset logic' (internal clocks are gated off). Reading any register returns its reset value. Only update this value if the device is enabled. Ref: i.MX 6DQ Applications Processor Reference Manual (IMX6DQRM), chapter 21.7.3: Control Register