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-rw-r--r--drivers/mtd/spi/spi-nor-core.c23
-rw-r--r--drivers/mtd/spi/spi-nor-ids.c1
-rw-r--r--drivers/spi/spi-mem-nodm.c10
3 files changed, 24 insertions, 10 deletions
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index 99e2f16..d5d905f 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -2604,18 +2604,28 @@ static int spi_nor_init_params(struct spi_nor *nor,
params->size = info->sector_size * info->n_sectors;
params->page_size = info->page_size;
+ if (!(info->flags & SPI_NOR_NO_FR)) {
+ /* Default to Fast Read for DT and non-DT platform devices. */
+ params->hwcaps.mask |= SNOR_HWCAPS_READ_FAST;
+
+ /* Mask out Fast Read if not requested at DT instantiation. */
+#if CONFIG_IS_ENABLED(DM_SPI)
+ if (!ofnode_read_bool(dev_ofnode(nor->spi->dev),
+ "m25p,fast-read"))
+ params->hwcaps.mask &= ~SNOR_HWCAPS_READ_FAST;
+#endif
+ }
+
/* (Fast) Read settings. */
params->hwcaps.mask |= SNOR_HWCAPS_READ;
spi_nor_set_read_settings(&params->reads[SNOR_CMD_READ],
0, 0, SPINOR_OP_READ,
SNOR_PROTO_1_1_1);
- if (!(info->flags & SPI_NOR_NO_FR)) {
- params->hwcaps.mask |= SNOR_HWCAPS_READ_FAST;
+ if (params->hwcaps.mask & SNOR_HWCAPS_READ_FAST)
spi_nor_set_read_settings(&params->reads[SNOR_CMD_READ_FAST],
0, 8, SPINOR_OP_READ_FAST,
SNOR_PROTO_1_1_1);
- }
if (info->flags & SPI_NOR_DUAL_READ) {
params->hwcaps.mask |= SNOR_HWCAPS_READ_1_1_2;
@@ -2858,10 +2868,11 @@ spi_nor_adjust_hwcaps(struct spi_nor *nor,
unsigned int cap;
/*
- * Enable all caps by default. We will mask them after checking what's
- * really supported using spi_mem_supports_op().
+ * Start by assuming the controller supports every capability.
+ * We will mask them after checking what's really supported
+ * using spi_mem_supports_op().
*/
- *hwcaps = SNOR_HWCAPS_ALL;
+ *hwcaps = SNOR_HWCAPS_ALL & params->hwcaps.mask;
/* X-X-X modes are not supported yet, mask them all. */
*hwcaps &= ~SNOR_HWCAPS_X_X_X;
diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
index 6f84c54..cb3a088 100644
--- a/drivers/mtd/spi/spi-nor-ids.c
+++ b/drivers/mtd/spi/spi-nor-ids.c
@@ -359,6 +359,7 @@ const struct flash_info spi_nor_ids[] = {
#ifdef CONFIG_SPI_FLASH_XMC
/* XMC (Wuhan Xinxin Semiconductor Manufacturing Corp.) */
{ INFO("XM25QH64A", 0x207017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ { INFO("XM25QH64C", 0x204017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ INFO("XM25QH128A", 0x207018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
#endif
{ },
diff --git a/drivers/spi/spi-mem-nodm.c b/drivers/spi/spi-mem-nodm.c
index a228c80..77ddb19 100644
--- a/drivers/spi/spi-mem-nodm.c
+++ b/drivers/spi/spi-mem-nodm.c
@@ -93,12 +93,14 @@ int spi_mem_adjust_op_size(struct spi_slave *slave,
if (slave->max_write_size && len > slave->max_write_size)
return -EINVAL;
- if (op->data.dir == SPI_MEM_DATA_IN && slave->max_read_size)
- op->data.nbytes = min(op->data.nbytes,
- slave->max_read_size);
- else if (slave->max_write_size)
+ if (op->data.dir == SPI_MEM_DATA_IN) {
+ if (slave->max_read_size)
+ op->data.nbytes = min(op->data.nbytes,
+ slave->max_read_size);
+ } else if (slave->max_write_size) {
op->data.nbytes = min(op->data.nbytes,
slave->max_write_size - len);
+ }
if (!op->data.nbytes)
return -EINVAL;