From patchwork Wed Jul 8 15:02:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 241047 List-Id: U-Boot discussion From: sjg at chromium.org (Simon Glass) Date: Wed, 8 Jul 2020 09:02:14 -0600 Subject: [PATCH v2 1/2] spi: Remove unnecessary #ifdefs in header file Message-ID: <20200708150215.2726606-1-sjg@chromium.org> These prevent use of compile-time checks such as: if (CONFIG_IS_ENABLED(DM_SPI)) since, for example, if CONFIG_SPL_DM_SPI is not enabled then the definitions are not included by spi.h and the C code will not build. The #ifdefs are unnecessary since there are no conflicts with the pre-DM code. In any case we have almost switched over to driver model for SPI. Drop these #ifdefs from spi.h to fix a build warning on chromebook_coral in the following patch. Signed-off-by: Simon Glass --- Changes in v2: - Add an #ifdef around spi_cs_de/activate() as these are static in many drivers include/spi.h | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/include/spi.h b/include/spi.h index 9b4fb8dc0b..a37900b2fd 100644 --- a/include/spi.h +++ b/include/spi.h @@ -39,7 +39,6 @@ #define SPI_DEFAULT_WORDLEN 8 -#if CONFIG_IS_ENABLED(DM_SPI) /* TODO(sjg at chromium.org): Remove this and use max_hz from struct spi_slave */ struct dm_spi_bus { uint max_hz; @@ -65,8 +64,6 @@ struct dm_spi_slave_platdata { uint mode; }; -#endif /* CONFIG_DM_SPI */ - /** * enum spi_clock_phase - indicates the clock phase to use for SPI (CPHA) * @@ -317,6 +314,11 @@ void spi_flash_copy_mmap(void *data, void *offset, size_t len); */ int spi_cs_is_valid(unsigned int bus, unsigned int cs); +/* + * These names are used in several drivers and these declarations will be + * removed soon as part of the SPI DM migration. Drop them if driver model is + * enabled for SPI. + */ #if !CONFIG_IS_ENABLED(DM_SPI) /** * Activate a SPI chipselect. @@ -335,6 +337,7 @@ void spi_cs_activate(struct spi_slave *slave); * select to the device identified by "slave". */ void spi_cs_deactivate(struct spi_slave *slave); +#endif /** * Set transfer speed. @@ -343,7 +346,6 @@ void spi_cs_deactivate(struct spi_slave *slave); * @hz: The transfer speed */ void spi_set_speed(struct spi_slave *slave, uint hz); -#endif /** * Write 8 bits, then read 8 bits. @@ -367,8 +369,6 @@ static inline int spi_w8r8(struct spi_slave *slave, unsigned char byte) return ret < 0 ? ret : din[1]; } -#if CONFIG_IS_ENABLED(DM_SPI) - /** * struct spi_cs_info - Information about a bus chip select * @@ -717,6 +717,5 @@ int dm_spi_get_mmap(struct udevice *dev, ulong *map_basep, uint *map_sizep, /* Access the operations for a SPI device */ #define spi_get_ops(dev) ((struct dm_spi_ops *)(dev)->driver->ops) #define spi_emul_get_ops(dev) ((struct dm_spi_emul_ops *)(dev)->driver->ops) -#endif /* CONFIG_DM_SPI */ #endif /* _SPI_H_ */