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spi: spi-mem: Fix build error without CONFIG_SPI_MEM

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When building with CONFIG_SPI_MEM is not set
gc warns this:

drivers/spi/spi-zynq-qspi.o: In function `zynq_qspi_supports_op':
spi-zynq-qspi.c:(.text+0x1da): undefined reference to `spi_mem_default_supports_op'

Fixes: 67dca5e580 ("spi: spi-mem: Add support for Zynq QSPI controller")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
YueHaibing 2019-04-08 22:39:49 +08:00 committed by Mark Brown
parent 7558f978f9
commit 72e6841608
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 11 additions and 3 deletions
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14
include/linux/spi/spi-mem.h
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@ -295,6 +295,10 @@ int spi_controller_dma_map_mem_op_data(struct spi_controller *ctlr,
void spi_controller_dma_unmap_mem_op_data(struct spi_controller *ctlr,
const struct spi_mem_op *op,
struct sg_table *sg);
bool spi_mem_default_supports_op(struct spi_mem *mem,
const struct spi_mem_op *op);
#else
static inline int
spi_controller_dma_map_mem_op_data(struct spi_controller *ctlr,
@ -310,6 +314,13 @@ spi_controller_dma_unmap_mem_op_data(struct spi_controller *ctlr,
struct sg_table *sg)
{
}
bool spi_mem_default_supports_op(struct spi_mem *mem,
const struct spi_mem_op *op)
{
return false;
}
#endif /* CONFIG_SPI_MEM */
int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op);
@ -341,9 +352,6 @@ int spi_mem_driver_register_with_owner(struct spi_mem_driver *drv,
void spi_mem_driver_unregister(struct spi_mem_driver *drv);
bool spi_mem_default_supports_op(struct spi_mem *mem,
const struct spi_mem_op *op);
#define spi_mem_driver_register(__drv) \
spi_mem_driver_register_with_owner(__drv, THIS_MODULE)