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6422cbd3c5
Only tpm_tis and tpm_tis_synquacer have a dedicated way to access multiple bytes at once, every other driver will just fall back to read_bytes/write_bytes. Therefore, remove the read16/read32/write32 calls and move their logic to read_bytes/write_bytes. Suggested-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Johannes Holland <johannes.holland@infineon.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2015 Infineon Technologies AG
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* Copyright (C) 2016 STMicroelectronics SAS
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*/
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#ifndef TPM_TIS_SPI_H
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#define TPM_TIS_SPI_H
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#include "tpm_tis_core.h"
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struct tpm_tis_spi_phy {
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struct tpm_tis_data priv;
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struct spi_device *spi_device;
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int (*flow_control)(struct tpm_tis_spi_phy *phy,
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struct spi_transfer *xfer);
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struct completion ready;
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unsigned long wake_after;
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u8 *iobuf;
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};
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static inline struct tpm_tis_spi_phy *to_tpm_tis_spi_phy(struct tpm_tis_data *data)
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{
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return container_of(data, struct tpm_tis_spi_phy, priv);
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}
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extern int tpm_tis_spi_init(struct spi_device *spi, struct tpm_tis_spi_phy *phy,
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int irq, const struct tpm_tis_phy_ops *phy_ops);
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extern int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len,
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u8 *in, const u8 *out);
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#ifdef CONFIG_TCG_TIS_SPI_CR50
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extern int cr50_spi_probe(struct spi_device *spi);
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#else
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static inline int cr50_spi_probe(struct spi_device *spi)
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{
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return -ENODEV;
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}
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#endif
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#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_TCG_TIS_SPI_CR50)
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extern int tpm_tis_spi_resume(struct device *dev);
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#else
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#define tpm_tis_spi_resume NULL
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#endif
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#endif
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