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| author | Leon Romanovsky <leon@kernel.org> | 2024-06-16 10:51:25 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2024-06-16 10:51:25 +0300 |
| commit | ef5513526bb6a83d7777acf5b79f71d19865563c (patch) | |
| tree | 830e4616f84969ef55914bca55d69beac5a2543c /drivers/spi/spi-cadence-xspi.c | |
| parent | 2a1251e3dbb2995100b6f351c2452228895386a5 (diff) | |
| parent | 7fc45cb68696c7213c484ec81892bc8a986fde52 (diff) | |
| download | linux-ef5513526bb6a83d7777acf5b79f71d19865563c.tar.xz | |
Merge branch 'mana-shared' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Leon Romanovsky says:
====================
net: mana: Allow variable size indirection table
Like we talked, I created new shared branch for this patch:
https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/log/?h=mana-shared
* 'mana-shared' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
net: mana: Allow variable size indirection table
====================
Link: https://lore.kernel.org/all/20240612183051.GE4966@unreal
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/spi/spi-cadence-xspi.c')
| -rw-r--r-- | drivers/spi/spi-cadence-xspi.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/spi/spi-cadence-xspi.c b/drivers/spi/spi-cadence-xspi.c index 2209e9fc378f..2e3eacd46b72 100644 --- a/drivers/spi/spi-cadence-xspi.c +++ b/drivers/spi/spi-cadence-xspi.c @@ -145,6 +145,9 @@ #define CDNS_XSPI_STIG_DONE_FLAG BIT(0) #define CDNS_XSPI_TRD_STATUS 0x0104 +#define MODE_NO_OF_BYTES GENMASK(25, 24) +#define MODEBYTES_COUNT 1 + /* Helper macros for filling command registers */ #define CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_1(op, data_phase) ( \ FIELD_PREP(CDNS_XSPI_CMD_INSTR_TYPE, (data_phase) ? \ @@ -157,9 +160,10 @@ FIELD_PREP(CDNS_XSPI_CMD_P1_R2_ADDR3, ((op)->addr.val >> 24) & 0xFF) | \ FIELD_PREP(CDNS_XSPI_CMD_P1_R2_ADDR4, ((op)->addr.val >> 32) & 0xFF)) -#define CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_3(op) ( \ +#define CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_3(op, modebytes) ( \ FIELD_PREP(CDNS_XSPI_CMD_P1_R3_ADDR5, ((op)->addr.val >> 40) & 0xFF) | \ FIELD_PREP(CDNS_XSPI_CMD_P1_R3_CMD, (op)->cmd.opcode) | \ + FIELD_PREP(MODE_NO_OF_BYTES, modebytes) | \ FIELD_PREP(CDNS_XSPI_CMD_P1_R3_NUM_ADDR_BYTES, (op)->addr.nbytes)) #define CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_4(op, chipsel) ( \ @@ -173,12 +177,12 @@ #define CDNS_XSPI_CMD_FLD_DSEQ_CMD_2(op) \ FIELD_PREP(CDNS_XSPI_CMD_DSEQ_R2_DCNT_L, (op)->data.nbytes & 0xFFFF) -#define CDNS_XSPI_CMD_FLD_DSEQ_CMD_3(op) ( \ +#define CDNS_XSPI_CMD_FLD_DSEQ_CMD_3(op, dummybytes) ( \ FIELD_PREP(CDNS_XSPI_CMD_DSEQ_R3_DCNT_H, \ ((op)->data.nbytes >> 16) & 0xffff) | \ FIELD_PREP(CDNS_XSPI_CMD_DSEQ_R3_NUM_OF_DUMMY, \ (op)->dummy.buswidth != 0 ? \ - (((op)->dummy.nbytes * 8) / (op)->dummy.buswidth) : \ + (((dummybytes) * 8) / (op)->dummy.buswidth) : \ 0)) #define CDNS_XSPI_CMD_FLD_DSEQ_CMD_4(op, chipsel) ( \ @@ -351,6 +355,7 @@ static int cdns_xspi_send_stig_command(struct cdns_xspi_dev *cdns_xspi, u32 cmd_regs[6]; u32 cmd_status; int ret; + int dummybytes = op->dummy.nbytes; ret = cdns_xspi_wait_for_controller_idle(cdns_xspi); if (ret < 0) @@ -365,7 +370,12 @@ static int cdns_xspi_send_stig_command(struct cdns_xspi_dev *cdns_xspi, memset(cmd_regs, 0, sizeof(cmd_regs)); cmd_regs[1] = CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_1(op, data_phase); cmd_regs[2] = CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_2(op); - cmd_regs[3] = CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_3(op); + if (dummybytes != 0) { + cmd_regs[3] = CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_3(op, 1); + dummybytes--; + } else { + cmd_regs[3] = CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_3(op, 0); + } cmd_regs[4] = CDNS_XSPI_CMD_FLD_P1_INSTR_CMD_4(op, cdns_xspi->cur_cs); @@ -375,7 +385,7 @@ static int cdns_xspi_send_stig_command(struct cdns_xspi_dev *cdns_xspi, cmd_regs[0] = CDNS_XSPI_STIG_DONE_FLAG; cmd_regs[1] = CDNS_XSPI_CMD_FLD_DSEQ_CMD_1(op); cmd_regs[2] = CDNS_XSPI_CMD_FLD_DSEQ_CMD_2(op); - cmd_regs[3] = CDNS_XSPI_CMD_FLD_DSEQ_CMD_3(op); + cmd_regs[3] = CDNS_XSPI_CMD_FLD_DSEQ_CMD_3(op, dummybytes); cmd_regs[4] = CDNS_XSPI_CMD_FLD_DSEQ_CMD_4(op, cdns_xspi->cur_cs); |