[PATCH v2 0/3] Add quad mode support for QPIC SNAND
Md Sadre Alam <[email protected]>
| Newsgroups | org.kernel.vger.linux-spi,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
The Qualcomm QPIC SPI-NAND controller supports both single (x1) and quad (x4) transfer modes, however the current driver operates only in single-bit mode. This series adds support for quad data transfers and includes a vendor-specific fix required for Macronix SPI-NAND devices. Signed-off-by: Md Sadre Alam <[email protected]> --- Changes in v2: - Removed incorrect if check - Updated snandc->qspi->cmd with quad command for further read in quad mode. - Link to v1: https://lore.kernel.org/r/[email protected] --- Md Sadre Alam (3): spi: spi-qpic-snand: move command mapping helper spi: spi-qpic-snand: add quad mode support spi: spi-qpic-snand: Handle Macronix quad read opcode 0x6b drivers/spi/spi-qpic-snand.c | 155 ++++++++++++++++++++++++++++--------------- 1 file changed, 103 insertions(+), 52 deletions(-) --- base-commit: d56fa0b2bd2d9b2fddc10e8f5bdd42d56676935c change-id: 20260716-quad-ec2765317214 Best regards, -- Md Sadre Alam <[email protected]>