diff options
Diffstat (limited to 'drivers/spi/cadence_qspi_apb.c')
| -rw-r--r-- | drivers/spi/cadence_qspi_apb.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c index b579699d2eb..6f89d3add5d 100644 --- a/drivers/spi/cadence_qspi_apb.c +++ b/drivers/spi/cadence_qspi_apb.c @@ -303,6 +303,10 @@ void cadence_qspi_apb_delay(void *reg_base, tshsl_ns -= sclk_ns + ref_clk_ns; if (tchsh_ns >= sclk_ns + 3 * ref_clk_ns) tchsh_ns -= sclk_ns + 3 * ref_clk_ns; + + if (tshsl_ns < sclk_ns) + tshsl_ns = sclk_ns; + tshsl = DIV_ROUND_UP(tshsl_ns, ref_clk_ns); tchsh = DIV_ROUND_UP(tchsh_ns, ref_clk_ns); tslch = DIV_ROUND_UP(tslch_ns, ref_clk_ns); @@ -380,9 +384,9 @@ int cadence_qspi_apb_exec_flash_cmd(void *reg_base, unsigned int reg) return 0; } -static int cadence_qspi_setup_opcode_ext(struct cadence_spi_priv *priv, - const struct spi_mem_op *op, - unsigned int shift) +int cadence_qspi_setup_opcode_ext(struct cadence_spi_priv *priv, + const struct spi_mem_op *op, + unsigned int shift) { unsigned int reg; u8 ext; @@ -555,6 +559,9 @@ int cadence_qspi_apb_command_write(struct cadence_spi_priv *priv, u8 opcode; if (priv->dtr) + txlen += txlen & 1; + + if (priv->dtr) opcode = op->cmd.opcode >> 8; else opcode = op->cmd.opcode; |