adjust_op_size:调整存储器操作的数据传输大小,以符合对齐要求和最大FIFO大小的约束 supports_op:检查这个存储器操作是否支持 exec_op:执行存储器操作,如果不支持则返回-ENOTSUPP get_name:自定义 struct spi_mem->name,这个name通常会传递给mtd->name,可以通过这个来兼容不同spi存储器的mtdparts,不过必须要注意的...
->adjust_op_size(): 调整存储器操作的数据传输大小,以符合对齐要求和最大FIFO大小的约束。 注意,当spi_mem_ops 没有实现时,core层将通过创建由多个SPI传输组成的SPI消息,来添加对该特性的通用支持,就像以前通用SPI NOR控制器驱动程序(名为m25p80)所做的那样。 如你所见,这些API非常直截了当,所以希望有更多的...
->adjust_op_size(): 调整存储器操作的数据传输大小,以符合对齐要求和最大FIFO大小的约束。 注意,当spi_mem_ops 没有实现时,core层将通过创建由多个SPI传输组成的SPI消息,来添加对该特性的通用支持,就像以前通用SPI NOR控制器驱动程序(名为m25p80)所做的那样。 如你所见,这些API非常直截了当,所以希望有更多的...
int (*adjust_op_size)(struct spi_mem *mem, struct spi_mem_op *op); bool (*supports_op)(struct spi_mem *mem, const struct spi_mem_op *op); int (*exec_op)(struct spi_mem *mem, const struct spi_mem_op *op); const char *(*get_name)(struct spi_mem *mem); int (*dirmap_c...
_mem_dirmap_desc* devm_spi_mem_dirmap_create(device*, spi_mem*, const spi_mem_dirmap_info*)' [A] 'function int spi_mem_adjust_op_size(spi_mem*, spi_mem_op*)' [A] 'function bool spi_mem_default_supports_op(spi_mem*, const spi_mem_op*)' [A] 'function ssize_t spi_mem_...
@@ -561,7 +561,7 @@ static bool f_ospi_supports_op(struct spi_mem *mem, if (!f_ospi_supports_op_width(mem, op)) return false; return true; return spi_mem_default_supports_op(mem, op); } static int f_ospi_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op) 0 co...
->adjust_op_size(): 调整存储器操作的数据传输大小,以符合对齐要求和最大FIFO大小的约束。 注意,当spi_mem_ops 没有实现时,core层将通过创建由多个SPI传输组成的SPI消息,来添加对该特性的通用支持,就像以前通用SPI NOR控制器驱动程序(名为m25p80)所做的那样。
static int mtk_snor_adjust_op_size(struct spi_slave *slave, struct spi_mem_op *op) { if (!op->data.nbytes) return 0;if (op->addr.nbytes == 3 || op->addr.nbytes == 4) { if (op->data.dir == SPI_MEM_DATA_IN) { //&&...
static int qcom_qspi_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op) { /* * If qcom_qspi_can_dma() is going to return false we don't need to * adjust anything. */ if (op->data.nbytes <= QSPI_MAX_BYTES_FIFO) return 0;...
Describe the bug I have a small 240x240pixels display with a controller which is MIPI-DBI compliant (ST7789VW). Wrote a custom tinyDRM compliant driver for the display which was only working when booted to CLI; in X I was unable to get t...