diff options
| -rw-r--r-- | drivers/spi/spi-bcm63xx-hsspi.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c index 6a289deb5848..1e9e906d297c 100644 --- a/drivers/spi/spi-bcm63xx-hsspi.c +++ b/drivers/spi/spi-bcm63xx-hsspi.c @@ -20,6 +20,8 @@ #include <linux/spi/spi.h> #include <linux/mutex.h> #include <linux/of.h> +#include <linux/spi/spi-mem.h> +#include <linux/mtd/spi-nor.h> #include <linux/reset.h> #include <linux/pm_runtime.h> @@ -682,6 +684,26 @@ static int bcm63xx_hsspi_transfer_one(struct spi_master *master, return 0; } +static bool bcm63xx_hsspi_mem_supports_op(struct spi_mem *mem, + const struct spi_mem_op *op) +{ + if (!spi_mem_default_supports_op(mem, op)) + return false; + + /* Controller doesn't support spi mem dual io mode */ + if ((op->cmd.opcode == SPINOR_OP_READ_1_2_2) || + (op->cmd.opcode == SPINOR_OP_READ_1_2_2_4B) || + (op->cmd.opcode == SPINOR_OP_READ_1_2_2_DTR) || + (op->cmd.opcode == SPINOR_OP_READ_1_2_2_DTR_4B)) + return false; + + return true; +} + +static const struct spi_controller_mem_ops bcm63xx_hsspi_mem_ops = { + .supports_op = bcm63xx_hsspi_mem_supports_op, +}; + static irqreturn_t bcm63xx_hsspi_interrupt(int irq, void *dev_id) { struct bcm63xx_hsspi *bs = (struct bcm63xx_hsspi *)dev_id; @@ -779,6 +801,7 @@ static int bcm63xx_hsspi_probe(struct platform_device *pdev) mutex_init(&bs->msg_mutex); init_completion(&bs->done); + master->mem_ops = &bcm63xx_hsspi_mem_ops; master->dev.of_node = dev->of_node; if (!dev->of_node) master->bus_num = HSSPI_BUS_NUM; |