Hi Naga,
On 12/18/19 5:59 PM, Michal Simek wrote:
On 18. 12. 19 7:33, [email protected] wrote:
From: Quanyang Wang <[email protected]>
The zcu102 and zc706 boards support qspi dual mode, and in
the dual mode, the erasesize for mtd device should be twice
as much as the erasesize for each nor flash chip.
Signed-off-by: Quanyang Wang <[email protected]>
---
drivers/mtd/spi-nor/spi-nor.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index c6fca2a81c44..79f6a6f4445d 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -5446,7 +5446,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name,
struct device_node *np_spi;
int ret;
int i;
- u32 is_dual;
+ u32 is_dual = 0;
ret = spi_nor_check(nor);
if (ret)
@@ -5666,6 +5666,10 @@ int spi_nor_scan(struct spi_nor *nor, const char *name,
if (info->flags & SPI_NOR_4B_OPCODES)
nor->flags |= SNOR_F_4B_OPCODES;
+ /* If in dual mode, erasesize should be doubled */
+ if (is_dual)
+ mtd->erasesize = mtd->erasesize * 2;
+
ret = spi_nor_set_addr_width(nor);
if (ret)
return ret;
please keep Naga in CC on these spi patches.
Naga: Please take a look and review.
Would you please help review this patch?
Thanks,
Quanyang
Thanks,
Michal
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