diff mbox series

[v2,5/6] spi: tegra210-quad: modify chip select (CS) deactivation

Message ID 20250212144651.2433086-6-va@nvidia.com (mailing list archive)
State New
Headers show
Series Configure Clocks, Add Native Dma support. | expand

Commit Message

Vishwaroop A Feb. 12, 2025, 2:46 p.m. UTC 
Modify the chip select (CS) deactivation and inter-transfer delay
execution to be performed only during the DATA_TRANSFER phase when
the cs_change flag is not set. This ensures proper CS handling and
timing between transfers while eliminating redundant operations.

Fixes: 1b8342cc4a38 ("spi: tegra210-quad: combined sequence mode")

Signed-off-by: Vishwaroop A <va@nvidia.com>
---
 drivers/spi/spi-tegra210-quad.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c
index 2d7a2e3da337..04f41e92c1e2 100644
--- a/drivers/spi/spi-tegra210-quad.c
+++ b/drivers/spi/spi-tegra210-quad.c
@@ -1171,16 +1171,16 @@  static int tegra_qspi_combined_seq_xfer(struct tegra_qspi *tqspi,
 				ret = -EIO;
 				goto exit;
 			}
-			if (!xfer->cs_change) {
-				tegra_qspi_transfer_end(spi);
-				spi_transfer_delay_exec(xfer);
-			}
 			break;
 		default:
 			ret = -EINVAL;
 			goto exit;
 		}
 		msg->actual_length += xfer->len;
+		if (!xfer->cs_change && transfer_phase == DATA_TRANSFER) {
+			tegra_qspi_transfer_end(spi);
+			spi_transfer_delay_exec(xfer);
+		}
 		transfer_phase++;
 	}
 	ret = 0;