[v10,03/13] spi: cadence-quadspi: Provide a capability structure

Commit Message

Miquel Raynal Jan. 27, 2022, 9:17 a.m. UTC

This controller has DTR support, so advertize it with a capability now
that the spi-controller structure contains this new field. This will
later be used by the core to discriminate whether an operation is
supported or not, in a more generic way than having different helpers.

Signed-off-by: Miquel Raynal <[e-mail]>
Reviewed-by: Pratyush Yadav <[e-mail]>
Reviewed-by: Boris Brezillon <[e-mail]>
Link: https://lore.kernel.org/linux-mtd/[e-mail]
---
 drivers/spi/spi-cadence-quadspi.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Miquel Raynal Jan. 31, 2022, 4:22 p.m. UTC | #1

On Thu, 2022-01-27 at 09:17:58 UTC, Miquel Raynal wrote:
> This controller has DTR support, so advertize it with a capability now
> that the spi-controller structure contains this new field. This will
> later be used by the core to discriminate whether an operation is
> supported or not, in a more generic way than having different helpers.
> 
> Signed-off-by: Miquel Raynal <[e-mail]>
> Reviewed-by: Pratyush Yadav <[e-mail]>
> Reviewed-by: Boris Brezillon <[e-mail]>
> Link: https://lore.kernel.org/linux-mtd/[e-mail]

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git spi-mem-ecc.

Miquel

Patch

diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index b808c94641fa..455b90d1feed 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -1595,6 +1595,10 @@  static const struct spi_controller_mem_ops cqspi_mem_ops = {
 	.supports_op = cqspi_supports_mem_op,
 };
 
+static const struct spi_controller_mem_caps cqspi_mem_caps = {
+	.dtr = true,
+};
+
 static int cqspi_setup_flash(struct cqspi_st *cqspi)
 {
 	struct platform_device *pdev = cqspi->pdev;
@@ -1652,6 +1656,7 @@  static int cqspi_probe(struct platform_device *pdev)
 	}
 	master->mode_bits = SPI_RX_QUAD | SPI_RX_DUAL;
 	master->mem_ops = &cqspi_mem_ops;
+	master->mem_caps = &cqspi_mem_caps;
 	master->dev.of_node = pdev->dev.of_node;
 
 	cqspi = spi_master_get_devdata(master);