This patch backports the upstream patch that adds the 4B_OPCODES flag to w25q256 under 4.19 kernel.
This is needed for ipq40xx and ramips.
Signed-off-by: Robert Marko <robimarko@gmail.com>
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -1257,7 +1257,9 @@ static const struct flash_info spi_nor_i
+@@ -1244,7 +1244,9 @@ static const struct flash_info spi_nor_i
{ "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) },
{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) },
{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -1457,7 +1457,7 @@ static int spi_nor_write(struct mtd_info
+@@ -1459,7 +1459,7 @@ static int spi_nor_write(struct mtd_info
write_enable(nor);
ret = nor->write(nor, addr, page_remain, buf + i);
goto write_err;
written = ret;
-@@ -1466,13 +1466,6 @@ static int spi_nor_write(struct mtd_info
+@@ -1468,13 +1468,6 @@ static int spi_nor_write(struct mtd_info
goto write_err;
*retlen += written;
i += written;
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -2735,6 +2735,7 @@ static int spi_nor_init(struct spi_nor *
+@@ -2737,6 +2737,7 @@ static int spi_nor_init(struct spi_nor *
*/
if (JEDEC_MFR(nor->info) == SNOR_MFR_ATMEL ||
JEDEC_MFR(nor->info) == SNOR_MFR_INTEL ||
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -2737,6 +2737,7 @@ static int spi_nor_init(struct spi_nor *
+@@ -2739,6 +2739,7 @@ static int spi_nor_init(struct spi_nor *
JEDEC_MFR(nor->info) == SNOR_MFR_INTEL ||
JEDEC_MFR(nor->info) == SNOR_MFR_MACRONIX ||
JEDEC_MFR(nor->info) == SNOR_MFR_SST ||
nor->info->flags & SPI_NOR_HAS_LOCK) {
write_enable(nor);
write_sr(nor, 0);
-@@ -2873,7 +2874,8 @@ int spi_nor_scan(struct spi_nor *nor, co
+@@ -2875,7 +2876,8 @@ int spi_nor_scan(struct spi_nor *nor, co
/* NOR protection support for STmicro/Micron chips and similar */
if (JEDEC_MFR(info) == SNOR_MFR_MICRON ||
depends on ARCH_AT91 || (ARM && COMPILE_TEST && !ARCH_EBSA110)
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -2649,10 +2649,12 @@ static int spi_nor_select_erase(struct s
+@@ -2651,10 +2651,12 @@ static int spi_nor_select_erase(struct s
#ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS
/* prefer "small sector" erase if possible */
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -1273,6 +1273,9 @@ static const struct flash_info spi_nor_i
+@@ -1275,6 +1275,9 @@ static const struct flash_info spi_nor_i
/* XMC (Wuhan Xinxin Semiconductor Manufacturing Corp.) */
{ "XM25QH64A", INFO(0x207017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "XM25QH128A", INFO(0x207018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },