| Message ID | 20241021115620.1616617-1-quic_mdalam@quicinc.com |
|---|---|
| Headers | show |
| Series | Add QPIC SPI NAND driver | expand |
On 10/21/2024 11:49 PM, Jeff Johnson wrote: > On 10/21/24 04:56, Md Sadre Alam wrote: > ... >> diff --git a/drivers/mtd/nand/qpic_common.c b/drivers/mtd/nand/qpic_common.c >> new file mode 100644 >> index 000000000000..570ab59ca12b >> --- /dev/null >> +++ b/drivers/mtd/nand/qpic_common.c >> @@ -0,0 +1,757 @@ >> +// SPDX-License-Identifier: GPL-2.0-only >> +/* >> + * Copyright (c) 2016, The Linux Foundation. All rights reserved. > > I'm surprised you aren't adding a 2024 Qualcomm Innovation Center copyright qpic_common.c file is derived from drivers/mtd/nand/raw/qcom_nandc.c file so I am retaining the Copyright from the drivers/mtd/nand/raw/qcom_nandc.c file > ... >> +MODULE_LICENSE("GPL"); > > Since commit 1fffe7a34c89 ("script: modpost: emit a warning when the > description is missing"), a module without a MODULE_DESCRIPTION() will > result in a warning when built with make W=1. Recently, multiple > developers have been eradicating these warnings treewide, and very few > (if any) are left, so please don't introduce a new one :) > > Please add the missing MODULE_DESCRIPTION() Sorry I missed it. Will add in next revision. >
On 10/21/2024 9:39 PM, Md Sadre Alam wrote: > > > On 10/21/2024 11:49 PM, Jeff Johnson wrote: >> On 10/21/24 04:56, Md Sadre Alam wrote: >> ... >>> diff --git a/drivers/mtd/nand/qpic_common.c b/drivers/mtd/nand/qpic_common.c >>> new file mode 100644 >>> index 000000000000..570ab59ca12b >>> --- /dev/null >>> +++ b/drivers/mtd/nand/qpic_common.c >>> @@ -0,0 +1,757 @@ >>> +// SPDX-License-Identifier: GPL-2.0-only >>> +/* >>> + * Copyright (c) 2016, The Linux Foundation. All rights reserved. >> >> I'm surprised you aren't adding a 2024 Qualcomm Innovation Center copyright > qpic_common.c file is derived from drivers/mtd/nand/raw/qcom_nandc.c file > so I am retaining the Copyright from the drivers/mtd/nand/raw/qcom_nandc.c file If you have a derived file then you should retain the copyright of the original but then also add current copyright for all changes made on top of the original file.
v12: * Added EXPORT_SYMBOL() macro for all the api in qpic_common.c * Added MODULE_LICENSE() macro in qpic_common.c to build qpic_common.c as module as well * Removed bool type for CONFIG_MTD_NAND_QCOM to fix build error reported by kernel test bot * Added obj-$(CONFIG_MTD_NAND_QCOM) += qpic_common.o condition in Makefile to build qpic_common.c as built-in or as module based on CONFIG_MTD_NAND_QCOM * Added Reviewed-by tag * Added obj-$(CONFIG_SPI_QPIC_SNAND) += qpic_common.o in Makefile to build qpic_common.c based on CONFIG_SPI_QPIC_SNAND * Updated commit header and commit message * Removed sdhci node from rdp433.dts file v11: * Dropped Reviewed-by tag * Added soc based compatible "qcom,ipq9574-snand" * fixed build error reported by kernel test bot by changing statement "depends on MTD" to "selct MTD" in drivers/spi/Kconfig file v10: * Fixed compilation warnings reported by kernel test robot * Added depends on CONFIG_MTD for qpic-spi nand driver * Removed extra bracket from statement if (i == (num_cw - 1)) in qcom_spi_program_raw() api. v9: * Fixed all the compilation warning reported by kernel test robot * Changed type of cmd1, vld to u32 from __le32 in qcom_nand_controller structure * Changed type of cfg0, cfg1, cfg0_raw, cfg1_raw, clrflashstatus, ecc_buf_cfg, ecc_bch_cfg, clrreadstatus to u32 in qcom_nand_host structure * In nandc_set_read_loc_first() api added cpu_to_le32() macro to fix compilation warning reported by kernel test bot * In nandc_set_read_loc_last() api added cpu_to_le32() macro to fix compilation warning reported by kernel test bot * Changed data type of cw_offset, read_size, is_last_read_loc to u32 in nandc_set_read_loc() api to fix compilation warning reported by kernel test bot * In set_address() api added cpu_to_le32() macro to fix compilation warning reported by kernel test bot * In update_rw_regs() api added cpu_to_le32() macro to fix compilation warning reported by kernel test bot * In qcom_op_cmd_mapping() api added cpu_to_le32() macro to fix compilation warning reported by kernel test bot * In qcom_read_status_exec() api added cpu_to_le32() macro to fix compilation warning reported by kernel test bot * In qcom_read_id_type_exec() api added cpu_to_le32() macro to fix compilation warning reported by kernel test bot * In qcom_misc_cmd_type_exec() api added cpu_to_le32() macro to fix compilation warning reported by kernel test bot * In qcom_param_page_type_exec() api added cpu_to_le32() macro to fix compilation warning reported by kernel test bot * In update_rw_regs() api added cpu_to_le32() macro to fix compilation issue reported by kernel test bot * In qcom_param_page_type_exec() api added cpu_to_le32() macro to fix compilation issue reported by kernel test bot * Changed data type of addr1, addr2, cmd, to __le32 in qpic_spi_nand structure * In qcom_spi_set_read_loc_first() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_set_read_loc_last() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_init() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_ecc_init_ctx_pipelined() api removed unused variables reqs, user, step_size, strength and added cpu_to_le32() macro as well to fix compilation warning * In qcom_spi_read_last_cw() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_check_error() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_read_page_ecc() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_read_page_oob() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_program_raw() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_program_ecc() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_program_oob() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_send_cmdaddr() api added cpu_to_le32() macro to fix compilation warning * In qcom_spi_io_op() api added cpu_to_le32() macro to fix compilation warning v8: * Fixed compilation warning reported by kernel test robot * Added "chip" description in nandc_set_read_loc_first() * Added "chip" description" in nandc_set_read_loc_last() * Changed data type of read_location0, read_location1, read_location2, read_location3, addr0, addr1, cmd, cfg0, cfg1, ecc_bch_cfg, ecc_buf_cfg, clrflashstatus, clrreadstatus, orig_cmd1, orig_vld to __le32 to fix compilation warning. * Included bitfield.h header file in spi-qpic-snand.c to fix compilation warning * Removed unused variable "steps" variable from qcom_spi_ecc_init_ctx_pipelined() v7: * Added read_oob() and write_oob() api * Added FIELD_PREP() in spi init * Made CONFIG_SPI_QPIC_SNAND and CONFIG_MTD_NAND_QCOM as bool type * Removed offset 0 in oob_ecc() layout * Handled multiple error condition v6: * Added FIELD_PREP() and GENMASK() macro * Added qpic_spi_nand{..} structure for spi nand realted variables * Made qpic_common.c slectable based on either CONFIG_MTD_NAND_QCOM or CONFIG_SPI_QPIC_SNAND * Removed rawnand.h from qpic-common.h * Removed partitions.h and rawnand.h form spi-qpic-snand.c * Added qcom_nand_unalloc() in remove() v5: * Fixes nandbiterr issue * Added raw_read() and raw_write() API * Added qcom_ prefix to all the common API * Removed register indirection * Following tests for SPI-NAND devices passed - mtd_oobtest - mtd_pagetest - mtd_readtest - mtd_speedtest - mtd_stresstest - mtd_subpagetest - mtd_nandbiterrs - nandtest - nanddump - nandwrite - nandbiterr -i - mtd erase - mtd write - dd - hexddump v4: * In this patch series fixes kernel doc for all the cmmon api * Also fixes dm-binding commit message * Fix qpic_common.c compilation based on config v3: * In this patch series fixes multiple things like added clock-name, added _alloc_controller api instead of alloc_master, made common apis more generic etc. * Addressed all the comment from v2 patch series v2: * https://lore.kernel.org/linux-arm-msm/20240215134856.1313239-1-quic_mdalam@quicinc.com/ * In this series of patchs we have added basic working QPIC SPI NAND driver with READ, WRITE, ERASE etc functionality * Addressed all the comments given in RFC [v1] patch v1: * https://lore.kernel.org/linux-arm-msm/20231031120307.1600689-1-quic_mdalam@quicinc.com/ * Initial set of patches for handling QPIC SPI NAND. Md Sadre Alam (8): spi: dt-bindings: Introduce qcom,spi-qpic-snand mtd: rawnand: qcom: cleanup qcom_nandc driver mtd: rawnand: qcom: Add qcom prefix to common api mtd: nand: Add qpic_common API file mtd: rawnand: qcom: use FIELD_PREP and GENMASK spi: spi-qpic: add driver for QCOM SPI NAND flash Interface arm64: dts: qcom: ipq9574: Add SPI nand support arm64: dts: qcom: ipq9574: Remove eMMC node .../bindings/spi/qcom,spi-qpic-snand.yaml | 83 + .../boot/dts/qcom/ipq9574-rdp-common.dtsi | 43 + arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 12 - arch/arm64/boot/dts/qcom/ipq9574.dtsi | 27 + drivers/mtd/nand/Makefile | 6 +- drivers/mtd/nand/qpic_common.c | 757 +++++++ drivers/mtd/nand/raw/qcom_nandc.c | 1763 +++-------------- drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/spi-qpic-snand.c | 1634 +++++++++++++++ include/linux/mtd/nand-qpic-common.h | 482 +++++ 11 files changed, 3364 insertions(+), 1453 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/qcom,spi-qpic-snand.yaml create mode 100644 drivers/mtd/nand/qpic_common.c create mode 100644 drivers/spi/spi-qpic-snand.c create mode 100644 include/linux/mtd/nand-qpic-common.h