forked from mirrors/linux
64fe73d103
There are no more peripheral drivers that set t->tx_dma or t->rx_dma. Therefore, is_dma_mapped is always false and can be removed. Signed-off-by: David Lechner <dlechner@baylibre.com> Link: https://msgid.link/r/20240328-spi-more-tx-rx-buf-cleanup-v1-2-9ec1ceedf08c@baylibre.com Signed-off-by: Mark Brown <broonie@kernel.org>
38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Freescale SPI controller driver cpm functions.
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*
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* Maintainer: Kumar Gala
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*
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* Copyright (C) 2006 Polycom, Inc.
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* Copyright 2010 Freescale Semiconductor, Inc.
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*
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* CPM SPI and QE buffer descriptors mode support:
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* Copyright (c) 2009 MontaVista Software, Inc.
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* Author: Anton Vorontsov <avorontsov@ru.mvista.com>
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*/
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#ifndef __SPI_FSL_CPM_H__
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#define __SPI_FSL_CPM_H__
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#include "spi-fsl-lib.h"
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#ifdef CONFIG_FSL_SOC
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extern void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi);
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extern int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
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struct spi_transfer *t);
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extern void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi);
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extern void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events);
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extern int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi);
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extern void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi);
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#else
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static inline void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi) { }
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static inline int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
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struct spi_transfer *t) { return 0; }
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static inline void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) { }
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static inline void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events) { }
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static inline int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) { return 0; }
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static inline void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { }
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#endif
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#endif /* __SPI_FSL_CPM_H__ */
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