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SubjectRe: [Patch V6 3/3] spi: tegra210-quad: Enable TPM wait polling
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On 27/02/2023 17:21, Krishna Yarlagadda wrote:
> Trusted Platform Module requires flow control. As defined in TPM
> interface specification, client would drive MISO line at same cycle as
> last address bit on MOSI.
> Tegra241 QSPI controller has TPM wait state detection feature which is
> enabled for TPM client devices reported in SPI device mode bits.

Earlier in patch 2/3 we say Tegra234 and Tegra241 but here we just say
Tegra241.

> static struct tegra_qspi_soc_data tegra186_qspi_soc_data = {
> .has_dma = true,
> .cmb_xfer_capable = true,
> + .support_tpm = false,
> .cs_count = 1,
> };
>
> static struct tegra_qspi_soc_data tegra234_qspi_soc_data = {
> .has_dma = false,
> .cmb_xfer_capable = true,
> + .support_tpm = true,
> .cs_count = 1,
> };
>
> static struct tegra_qspi_soc_data tegra241_qspi_soc_data = {
> .has_dma = false,
> .cmb_xfer_capable = true,
> + .support_tpm = true,
> .cs_count = 4,
> };
>

We enable for both Tegra234 and Tegra241 and so the commit message
should say so.

Jon

--
nvpublic

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