Re: [PATCH v3 4.19.y-cip 08/17] spi: spi-mem: export spi_mem_default_supports_op()


Pavel Machek
 

Hi!

From: Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
This patch also squashes upstream commit 72e6841608b9 ("spi: spi-mem: Fix
build error without CONFIG_SPI_MEM")' in the current patch as commit
46109648052f ("spi: spi-mem: export spi_mem_default_supports_op()")'
introduced below build error when built without CONFIG_SPI_MEM:
This puts function definition directly into header file; I don't think
that will work when multiple files include it.

Adding "static inline" is the usual solution for this.

Best regards,
Pavel

diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h
index 80db2de83402..253a8d451d4c 100644
--- a/include/linux/spi/spi-mem.h
+++ b/include/linux/spi/spi-mem.h
@@ -239,6 +243,13 @@ 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);
--
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