aboutsummaryrefslogtreecommitdiffstats
path: root/package/boot/uboot-lantiq/patches/0003-sf-factor-out-malloc-from-SPI-flash-drivers.patch
diff options
context:
space:
mode:
Diffstat (limited to 'package/boot/uboot-lantiq/patches/0003-sf-factor-out-malloc-from-SPI-flash-drivers.patch')
-rw-r--r--package/boot/uboot-lantiq/patches/0003-sf-factor-out-malloc-from-SPI-flash-drivers.patch719
1 files changed, 719 insertions, 0 deletions
diff --git a/package/boot/uboot-lantiq/patches/0003-sf-factor-out-malloc-from-SPI-flash-drivers.patch b/package/boot/uboot-lantiq/patches/0003-sf-factor-out-malloc-from-SPI-flash-drivers.patch
new file mode 100644
index 0000000..7f44675
--- /dev/null
+++ b/package/boot/uboot-lantiq/patches/0003-sf-factor-out-malloc-from-SPI-flash-drivers.patch
@@ -0,0 +1,719 @@
+From 73d127565b5a4b19bcaacabc505689ee039f16fd Mon Sep 17 00:00:00 2001
+From: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+Date: Sun, 11 Nov 2012 03:11:38 +0100
+Subject: sf: factor out malloc from SPI flash drivers
+
+Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+
+--- a/drivers/mtd/spi/atmel.c
++++ b/drivers/mtd/spi/atmel.c
+@@ -40,18 +40,6 @@ struct atmel_spi_flash_params {
+ const char *name;
+ };
+
+-/* spi_flash needs to be first so upper layers can free() it */
+-struct atmel_spi_flash {
+- struct spi_flash flash;
+- const struct atmel_spi_flash_params *params;
+-};
+-
+-static inline struct atmel_spi_flash *
+-to_atmel_spi_flash(struct spi_flash *flash)
+-{
+- return container_of(flash, struct atmel_spi_flash, flash);
+-}
+-
+ static const struct atmel_spi_flash_params atmel_spi_flash_table[] = {
+ {
+ .idcode1 = 0x22,
+@@ -156,7 +144,8 @@ static int at45_wait_ready(struct spi_fl
+ * Assemble the address part of a command for AT45 devices in
+ * non-power-of-two page size mode.
+ */
+-static void at45_build_address(struct atmel_spi_flash *asf, u8 *cmd, u32 offset)
++static void at45_build_address(const struct atmel_spi_flash_params *params,
++ u8 *cmd, u32 offset)
+ {
+ unsigned long page_addr;
+ unsigned long byte_addr;
+@@ -167,7 +156,7 @@ static void at45_build_address(struct at
+ * The "extra" space per page is the power-of-two page size
+ * divided by 32.
+ */
+- page_shift = asf->params->l2_page_size;
++ page_shift = params->l2_page_size;
+ page_size = (1 << page_shift) + (1 << (page_shift - 5));
+ page_shift++;
+ page_addr = offset / page_size;
+@@ -181,11 +170,11 @@ static void at45_build_address(struct at
+ static int dataflash_read_fast_at45(struct spi_flash *flash,
+ u32 offset, size_t len, void *buf)
+ {
+- struct atmel_spi_flash *asf = to_atmel_spi_flash(flash);
++ const struct atmel_spi_flash_params *params = flash->priv;
+ u8 cmd[5];
+
+ cmd[0] = CMD_READ_ARRAY_FAST;
+- at45_build_address(asf, cmd + 1, offset);
++ at45_build_address(params, cmd + 1, offset);
+ cmd[4] = 0x00;
+
+ return spi_flash_read_common(flash, cmd, sizeof(cmd), buf, len);
+@@ -197,7 +186,7 @@ static int dataflash_read_fast_at45(stru
+ static int dataflash_write_p2(struct spi_flash *flash,
+ u32 offset, size_t len, const void *buf)
+ {
+- struct atmel_spi_flash *asf = to_atmel_spi_flash(flash);
++ const struct atmel_spi_flash_params *params = flash->priv;
+ unsigned long page_size;
+ u32 addr = offset;
+ size_t chunk_len;
+@@ -211,7 +200,7 @@ static int dataflash_write_p2(struct spi
+ * the other is being programmed into main memory.
+ */
+
+- page_size = (1 << asf->params->l2_page_size);
++ page_size = (1 << params->l2_page_size);
+
+ ret = spi_claim_bus(flash->spi);
+ if (ret) {
+@@ -263,7 +252,7 @@ out:
+ static int dataflash_write_at45(struct spi_flash *flash,
+ u32 offset, size_t len, const void *buf)
+ {
+- struct atmel_spi_flash *asf = to_atmel_spi_flash(flash);
++ const struct atmel_spi_flash_params *params = flash->priv;
+ unsigned long page_addr;
+ unsigned long byte_addr;
+ unsigned long page_size;
+@@ -279,7 +268,7 @@ static int dataflash_write_at45(struct s
+ * the other is being programmed into main memory.
+ */
+
+- page_shift = asf->params->l2_page_size;
++ page_shift = params->l2_page_size;
+ page_size = (1 << page_shift) + (1 << (page_shift - 5));
+ page_shift++;
+ page_addr = offset / page_size;
+@@ -338,7 +327,7 @@ out:
+ */
+ static int dataflash_erase_p2(struct spi_flash *flash, u32 offset, size_t len)
+ {
+- struct atmel_spi_flash *asf = to_atmel_spi_flash(flash);
++ const struct atmel_spi_flash_params *params = flash->priv;
+ unsigned long page_size;
+
+ size_t actual;
+@@ -351,7 +340,7 @@ static int dataflash_erase_p2(struct spi
+ * when possible.
+ */
+
+- page_size = (1 << asf->params->l2_page_size);
++ page_size = (1 << params->l2_page_size);
+
+ if (offset % page_size || len % page_size) {
+ debug("SF: Erase offset/length not multiple of page size\n");
+@@ -397,7 +386,7 @@ out:
+
+ static int dataflash_erase_at45(struct spi_flash *flash, u32 offset, size_t len)
+ {
+- struct atmel_spi_flash *asf = to_atmel_spi_flash(flash);
++ const struct atmel_spi_flash_params *params = flash->priv;
+ unsigned long page_addr;
+ unsigned long page_size;
+ unsigned int page_shift;
+@@ -411,7 +400,7 @@ static int dataflash_erase_at45(struct s
+ * when possible.
+ */
+
+- page_shift = asf->params->l2_page_size;
++ page_shift = params->l2_page_size;
+ page_size = (1 << page_shift) + (1 << (page_shift - 5));
+ page_shift++;
+ page_addr = offset / page_size;
+@@ -458,12 +447,12 @@ out:
+ return ret;
+ }
+
+-struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode)
++int spi_flash_probe_atmel(struct spi_flash *flash, u8 *idcode)
+ {
+ const struct atmel_spi_flash_params *params;
++ struct spi_slave *spi = flash->spi;
+ unsigned page_size;
+ unsigned int family;
+- struct atmel_spi_flash *asf;
+ unsigned int i;
+ int ret;
+ u8 status;
+@@ -477,18 +466,11 @@ struct spi_flash *spi_flash_probe_atmel(
+ if (i == ARRAY_SIZE(atmel_spi_flash_table)) {
+ debug("SF: Unsupported DataFlash ID %02x\n",
+ idcode[1]);
+- return NULL;
+- }
+-
+- asf = malloc(sizeof(struct atmel_spi_flash));
+- if (!asf) {
+- debug("SF: Failed to allocate memory\n");
+- return NULL;
++ return 0;
+ }
+
+- asf->params = params;
+- asf->flash.spi = spi;
+- asf->flash.name = params->name;
++ flash->priv = (void *)params;
++ flash->name = params->name;
+
+ /* Assuming power-of-two page size initially. */
+ page_size = 1 << params->l2_page_size;
+@@ -503,48 +485,44 @@ struct spi_flash *spi_flash_probe_atmel(
+ */
+ ret = spi_flash_cmd(spi, CMD_AT45_READ_STATUS, &status, 1);
+ if (ret)
+- goto err;
++ return -1;
+
+ debug("SF: AT45 status register: %02x\n", status);
+
+ if (!(status & AT45_STATUS_P2_PAGE_SIZE)) {
+- asf->flash.read = dataflash_read_fast_at45;
+- asf->flash.write = dataflash_write_at45;
+- asf->flash.erase = dataflash_erase_at45;
++ flash->read = dataflash_read_fast_at45;
++ flash->write = dataflash_write_at45;
++ flash->erase = dataflash_erase_at45;
+ page_size += 1 << (params->l2_page_size - 5);
+ } else {
+- asf->flash.read = spi_flash_cmd_read_fast;
+- asf->flash.write = dataflash_write_p2;
+- asf->flash.erase = dataflash_erase_p2;
++ flash->read = spi_flash_cmd_read_fast;
++ flash->write = dataflash_write_p2;
++ flash->erase = dataflash_erase_p2;
+ }
+
+- asf->flash.page_size = page_size;
+- asf->flash.sector_size = page_size;
++ flash->page_size = page_size;
++ flash->sector_size = page_size;
+ break;
+
+ case DF_FAMILY_AT26F:
+ case DF_FAMILY_AT26DF:
+- asf->flash.read = spi_flash_cmd_read_fast;
+- asf->flash.write = spi_flash_cmd_write_multi;
+- asf->flash.erase = spi_flash_cmd_erase;
+- asf->flash.page_size = page_size;
+- asf->flash.sector_size = 4096;
++ flash->read = spi_flash_cmd_read_fast;
++ flash->write = spi_flash_cmd_write_multi;
++ flash->erase = spi_flash_cmd_erase;
++ flash->page_size = page_size;
++ flash->sector_size = 4096;
+ /* clear SPRL# bit for locked flash */
+- spi_flash_cmd_write_status(&asf->flash, 0);
++ spi_flash_cmd_write_status(flash, 0);
+ break;
+
+ default:
+ debug("SF: Unsupported DataFlash family %u\n", family);
+- goto err;
++ return -1;
+ }
+
+- asf->flash.size = page_size * params->pages_per_block
++ flash->size = page_size * params->pages_per_block
+ * params->blocks_per_sector
+ * params->nr_sectors;
+
+- return &asf->flash;
+-
+-err:
+- free(asf);
+- return NULL;
++ return 1;
+ }
+--- a/drivers/mtd/spi/eon.c
++++ b/drivers/mtd/spi/eon.c
+@@ -29,10 +29,9 @@ static const struct eon_spi_flash_params
+ },
+ };
+
+-struct spi_flash *spi_flash_probe_eon(struct spi_slave *spi, u8 *idcode)
++int spi_flash_probe_eon(struct spi_flash *flash, u8 *idcode)
+ {
+ const struct eon_spi_flash_params *params;
+- struct spi_flash *flash;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(eon_spi_flash_table); ++i) {
+@@ -43,16 +42,10 @@ struct spi_flash *spi_flash_probe_eon(st
+
+ if (i == ARRAY_SIZE(eon_spi_flash_table)) {
+ debug("SF: Unsupported EON ID %02x\n", idcode[1]);
+- return NULL;
++ return 0;
+ }
+
+- flash = malloc(sizeof(*flash));
+- if (!flash) {
+- debug("SF: Failed to allocate memory\n");
+- return NULL;
+- }
+-
+- flash->spi = spi;
++ flash->priv = (void *)params;
+ flash->name = params->name;
+
+ flash->write = spi_flash_cmd_write_multi;
+@@ -63,5 +56,5 @@ struct spi_flash *spi_flash_probe_eon(st
+ flash->size = 256 * 16
+ * params->nr_sectors;
+
+- return flash;
++ return 1;
+ }
+--- a/drivers/mtd/spi/macronix.c
++++ b/drivers/mtd/spi/macronix.c
+@@ -79,10 +79,9 @@ static const struct macronix_spi_flash_p
+ },
+ };
+
+-struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)
++int spi_flash_probe_macronix(struct spi_flash *flash, u8 *idcode)
+ {
+ const struct macronix_spi_flash_params *params;
+- struct spi_flash *flash;
+ unsigned int i;
+ u16 id = idcode[2] | idcode[1] << 8;
+
+@@ -94,16 +93,10 @@ struct spi_flash *spi_flash_probe_macron
+
+ if (i == ARRAY_SIZE(macronix_spi_flash_table)) {
+ debug("SF: Unsupported Macronix ID %04x\n", id);
+- return NULL;
++ return 0;
+ }
+
+- flash = malloc(sizeof(*flash));
+- if (!flash) {
+- debug("SF: Failed to allocate memory\n");
+- return NULL;
+- }
+-
+- flash->spi = spi;
++ flash->priv = (void *)params;
+ flash->name = params->name;
+
+ flash->write = spi_flash_cmd_write_multi;
+@@ -116,5 +109,5 @@ struct spi_flash *spi_flash_probe_macron
+ /* Clear BP# bits for read-only flash */
+ spi_flash_cmd_write_status(flash, 0);
+
+- return flash;
++ return 1;
+ }
+--- a/drivers/mtd/spi/ramtron.c
++++ b/drivers/mtd/spi/ramtron.c
+@@ -69,17 +69,6 @@ struct ramtron_spi_fram_params {
+ const char *name; /* name for display and/or matching */
+ };
+
+-struct ramtron_spi_fram {
+- struct spi_flash flash;
+- const struct ramtron_spi_fram_params *params;
+-};
+-
+-static inline struct ramtron_spi_fram *to_ramtron_spi_fram(struct spi_flash
+- *flash)
+-{
+- return container_of(flash, struct ramtron_spi_fram, flash);
+-}
+-
+ /*
+ * table describing supported FRAM chips:
+ * chips without RDID command must have the values 0xff for id1 and id2
+@@ -155,18 +144,18 @@ static const struct ramtron_spi_fram_par
+ static int ramtron_common(struct spi_flash *flash,
+ u32 offset, size_t len, void *buf, u8 command)
+ {
+- struct ramtron_spi_fram *sn = to_ramtron_spi_fram(flash);
++ const struct ramtron_spi_fram_params *params = flash->priv;
+ u8 cmd[4];
+ int cmd_len;
+ int ret;
+
+- if (sn->params->addr_len == 3 && sn->params->merge_cmd == 0) {
++ if (params->addr_len == 3 && params->merge_cmd == 0) {
+ cmd[0] = command;
+ cmd[1] = offset >> 16;
+ cmd[2] = offset >> 8;
+ cmd[3] = offset;
+ cmd_len = 4;
+- } else if (sn->params->addr_len == 2 && sn->params->merge_cmd == 0) {
++ } else if (params->addr_len == 2 && params->merge_cmd == 0) {
+ cmd[0] = command;
+ cmd[1] = offset >> 8;
+ cmd[2] = offset;
+@@ -230,10 +219,9 @@ static int ramtron_erase(struct spi_flas
+ * nore: we are called here with idcode pointing to the first non-0x7f byte
+ * already!
+ */
+-struct spi_flash *spi_fram_probe_ramtron(struct spi_slave *spi, u8 *idcode)
++int spi_fram_probe_ramtron(struct spi_flash *flash, u8 *idcode)
+ {
+ const struct ramtron_spi_fram_params *params;
+- struct ramtron_spi_fram *sn;
+ unsigned int i;
+ #ifdef CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC
+ int ret;
+@@ -259,11 +247,11 @@ struct spi_flash *spi_fram_probe_ramtron
+ */
+ ret = spi_flash_cmd(spi, CMD_READ_STATUS, &sr, 1);
+ if (ret)
+- return NULL;
++ return 0;
+
+ /* Bits 5,4,0 are fixed 0 for all devices */
+ if ((sr & 0x31) != 0x00)
+- return NULL;
++ return 0;
+ /* now find the device */
+ for (i = 0; i < ARRAY_SIZE(ramtron_spi_fram_table); i++) {
+ params = &ramtron_spi_fram_table[i];
+@@ -281,23 +269,16 @@ struct spi_flash *spi_fram_probe_ramtron
+ /* arriving here means no method has found a device we can handle */
+ debug("SF/ramtron: unsupported device id0=%02x id1=%02x id2=%02x\n",
+ idcode[0], idcode[1], idcode[2]);
+- return NULL;
++ return 0;
+
+ found:
+- sn = malloc(sizeof(*sn));
+- if (!sn) {
+- debug("SF: Failed to allocate memory\n");
+- return NULL;
+- }
++ flash->priv = (void *)params;
++ flash->name = params->name;
+
+- sn->params = params;
+- sn->flash.spi = spi;
+- sn->flash.name = params->name;
+-
+- sn->flash.write = ramtron_write;
+- sn->flash.read = ramtron_read;
+- sn->flash.erase = ramtron_erase;
+- sn->flash.size = params->size;
++ flash->write = ramtron_write;
++ flash->read = ramtron_read;
++ flash->erase = ramtron_erase;
++ flash->size = params->size;
+
+- return &sn->flash;
++ return 1;
+ }
+--- a/drivers/mtd/spi/spansion.c
++++ b/drivers/mtd/spi/spansion.c
+@@ -105,10 +105,9 @@ static const struct spansion_spi_flash_p
+ },
+ };
+
+-struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode)
++int spi_flash_probe_spansion(struct spi_flash *flash, u8 *idcode)
+ {
+ const struct spansion_spi_flash_params *params;
+- struct spi_flash *flash;
+ unsigned int i;
+ unsigned short jedec, ext_jedec;
+
+@@ -125,16 +124,10 @@ struct spi_flash *spi_flash_probe_spansi
+
+ if (i == ARRAY_SIZE(spansion_spi_flash_table)) {
+ debug("SF: Unsupported SPANSION ID %04x %04x\n", jedec, ext_jedec);
+- return NULL;
++ return 0;
+ }
+
+- flash = malloc(sizeof(*flash));
+- if (!flash) {
+- debug("SF: Failed to allocate memory\n");
+- return NULL;
+- }
+-
+- flash->spi = spi;
++ flash->priv = (void *)params;
+ flash->name = params->name;
+
+ flash->write = spi_flash_cmd_write_multi;
+@@ -144,5 +137,5 @@ struct spi_flash *spi_flash_probe_spansi
+ flash->sector_size = 256 * params->pages_per_sector;
+ flash->size = flash->sector_size * params->nr_sectors;
+
+- return flash;
++ return 1;
+ }
+--- a/drivers/mtd/spi/spi_flash.c
++++ b/drivers/mtd/spi/spi_flash.c
+@@ -296,7 +296,7 @@ int spi_flash_cmd_write_status(struct sp
+ static struct {
+ const u8 shift;
+ const u8 idcode;
+- struct spi_flash *(*probe) (struct spi_slave *spi, u8 *idcode);
++ int (*probe) (struct spi_flash *flash, u8 *idcode);
+ } flashes[] = {
+ /* Keep it sorted by define name */
+ #ifdef CONFIG_SPI_FLASH_ATMEL
+@@ -343,7 +343,7 @@ struct spi_flash *spi_flash_probe(unsign
+ unsigned int max_hz, unsigned int spi_mode)
+ {
+ struct spi_slave *spi;
+- struct spi_flash *flash = NULL;
++ struct spi_flash *flash;
+ int ret, i, shift;
+ u8 idcode[IDCODE_LEN], *idp;
+ #ifdef CONFIG_NEEDS_MANUAL_RELOC
+@@ -379,6 +379,15 @@ struct spi_flash *spi_flash_probe(unsign
+ print_buffer(0, idcode, 1, sizeof(idcode), 0);
+ #endif
+
++ flash = malloc(sizeof(*flash));
++ if (!flash) {
++ debug("SF: failed to alloc memory\n");
++ goto err_malloc;
++ }
++
++ memset(flash, 0, sizeof(*flash));
++ flash->spi = spi;
++
+ /* count the number of continuation bytes */
+ for (shift = 0, idp = idcode;
+ shift < IDCODE_CONT_LEN && *idp == 0x7f;
+@@ -389,12 +398,12 @@ struct spi_flash *spi_flash_probe(unsign
+ for (i = 0; i < ARRAY_SIZE(flashes); ++i)
+ if (flashes[i].shift == shift && flashes[i].idcode == *idp) {
+ /* we have a match, call probe */
+- flash = flashes[i].probe(spi, idp);
+- if (flash)
++ ret = flashes[i].probe(flash, idp);
++ if (ret)
+ break;
+ }
+
+- if (!flash) {
++ if (ret <= 0) {
+ printf("SF: Unsupported manufacturer %02x\n", *idp);
+ goto err_manufacturer_probe;
+ }
+@@ -408,6 +417,8 @@ struct spi_flash *spi_flash_probe(unsign
+ return flash;
+
+ err_manufacturer_probe:
++ free(flash);
++err_malloc:
+ err_read_id:
+ spi_release_bus(spi);
+ err_claim_bus:
+--- a/drivers/mtd/spi/spi_flash_internal.h
++++ b/drivers/mtd/spi/spi_flash_internal.h
+@@ -98,11 +98,11 @@ int spi_flash_cmd_wait_ready(struct spi_
+ int spi_flash_cmd_erase(struct spi_flash *flash, u32 offset, size_t len);
+
+ /* Manufacturer-specific probe functions */
+-struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode);
+-struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode);
+-struct spi_flash *spi_flash_probe_eon(struct spi_slave *spi, u8 *idcode);
+-struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode);
+-struct spi_flash *spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode);
+-struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 *idcode);
+-struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode);
+-struct spi_flash *spi_fram_probe_ramtron(struct spi_slave *spi, u8 *idcode);
++int spi_flash_probe_spansion(struct spi_flash *flash, u8 *idcode);
++int spi_flash_probe_atmel(struct spi_flash *flash, u8 *idcode);
++int spi_flash_probe_eon(struct spi_flash *flash, u8 *idcode);
++int spi_flash_probe_macronix(struct spi_flash *flash, u8 *idcode);
++int spi_flash_probe_sst(struct spi_flash *flash, u8 *idcode);
++int spi_flash_probe_stmicro(struct spi_flash *flash, u8 *idcode);
++int spi_flash_probe_winbond(struct spi_flash *flash, u8 *idcode);
++int spi_fram_probe_ramtron(struct spi_flash *flash, u8 *idcode);
+--- a/drivers/mtd/spi/sst.c
++++ b/drivers/mtd/spi/sst.c
+@@ -39,11 +39,6 @@ struct sst_spi_flash_params {
+ const char *name;
+ };
+
+-struct sst_spi_flash {
+- struct spi_flash flash;
+- const struct sst_spi_flash_params *params;
+-};
+-
+ static const struct sst_spi_flash_params sst_spi_flash_table[] = {
+ {
+ .idcode1 = 0x8d,
+@@ -185,11 +180,9 @@ sst_write_wp(struct spi_flash *flash, u3
+ return ret;
+ }
+
+-struct spi_flash *
+-spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode)
++int spi_flash_probe_sst(struct spi_flash *flash, u8 *idcode)
+ {
+ const struct sst_spi_flash_params *params;
+- struct sst_spi_flash *stm;
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(sst_spi_flash_table); ++i) {
+@@ -200,31 +193,24 @@ spi_flash_probe_sst(struct spi_slave *sp
+
+ if (i == ARRAY_SIZE(sst_spi_flash_table)) {
+ debug("SF: Unsupported SST ID %02x\n", idcode[1]);
+- return NULL;
+- }
+-
+- stm = malloc(sizeof(*stm));
+- if (!stm) {
+- debug("SF: Failed to allocate memory\n");
+- return NULL;
++ return 0;
+ }
+
+- stm->params = params;
+- stm->flash.spi = spi;
+- stm->flash.name = params->name;
++ flash->priv = (void *)params;
++ flash->name = params->name;
+
+- if (stm->params->flags & SST_FEAT_WP)
+- stm->flash.write = sst_write_wp;
++ if (params->flags & SST_FEAT_WP)
++ flash->write = sst_write_wp;
+ else
+- stm->flash.write = spi_flash_cmd_write_multi;
+- stm->flash.erase = spi_flash_cmd_erase;
+- stm->flash.read = spi_flash_cmd_read_fast;
+- stm->flash.page_size = 256;
+- stm->flash.sector_size = 4096;
+- stm->flash.size = stm->flash.sector_size * params->nr_sectors;
++ flash->write = spi_flash_cmd_write_multi;
++ flash->erase = spi_flash_cmd_erase;
++ flash->read = spi_flash_cmd_read_fast;
++ flash->page_size = 256;
++ flash->sector_size = 4096;
++ flash->size = flash->sector_size * params->nr_sectors;
+
+ /* Flash powers up read-only, so clear BP# bits */
+- spi_flash_cmd_write_status(&stm->flash, 0);
++ spi_flash_cmd_write_status(flash, 0);
+
+- return &stm->flash;
++ return 1;
+ }
+--- a/drivers/mtd/spi/stmicro.c
++++ b/drivers/mtd/spi/stmicro.c
+@@ -112,10 +112,10 @@ static const struct stmicro_spi_flash_pa
+ },
+ };
+
+-struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
++int spi_flash_probe_stmicro(struct spi_flash *flash, u8 * idcode)
+ {
+ const struct stmicro_spi_flash_params *params;
+- struct spi_flash *flash;
++ struct spi_slave *spi = flash->spi;
+ unsigned int i;
+ u16 id;
+
+@@ -123,13 +123,13 @@ struct spi_flash *spi_flash_probe_stmicr
+ i = spi_flash_cmd(spi, CMD_M25PXX_RES,
+ idcode, 4);
+ if (i)
+- return NULL;
++ return 0;
+ if ((idcode[3] & 0xf0) == 0x10) {
+ idcode[0] = 0x20;
+ idcode[1] = 0x20;
+ idcode[2] = idcode[3] + 1;
+ } else
+- return NULL;
++ return 0;
+ }
+
+ id = ((idcode[1] << 8) | idcode[2]);
+@@ -143,16 +143,10 @@ struct spi_flash *spi_flash_probe_stmicr
+
+ if (i == ARRAY_SIZE(stmicro_spi_flash_table)) {
+ debug("SF: Unsupported STMicro ID %04x\n", id);
+- return NULL;
++ return 0;
+ }
+
+- flash = malloc(sizeof(*flash));
+- if (!flash) {
+- debug("SF: Failed to allocate memory\n");
+- return NULL;
+- }
+-
+- flash->spi = spi;
++ flash->priv = (void *)params;
+ flash->name = params->name;
+
+ flash->write = spi_flash_cmd_write_multi;
+@@ -162,5 +156,5 @@ struct spi_flash *spi_flash_probe_stmicr
+ flash->sector_size = 256 * params->pages_per_sector;
+ flash->size = flash->sector_size * params->nr_sectors;
+
+- return flash;
++ return 1;
+ }
+--- a/drivers/mtd/spi/winbond.c
++++ b/drivers/mtd/spi/winbond.c
+@@ -69,10 +69,9 @@ static const struct winbond_spi_flash_pa
+ },
+ };
+
+-struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
++int spi_flash_probe_winbond(struct spi_flash *flash, u8 *idcode)
+ {
+ const struct winbond_spi_flash_params *params;
+- struct spi_flash *flash;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(winbond_spi_flash_table); i++) {
+@@ -84,16 +83,10 @@ struct spi_flash *spi_flash_probe_winbon
+ if (i == ARRAY_SIZE(winbond_spi_flash_table)) {
+ debug("SF: Unsupported Winbond ID %02x%02x\n",
+ idcode[1], idcode[2]);
+- return NULL;
++ return 0;
+ }
+
+- flash = malloc(sizeof(*flash));
+- if (!flash) {
+- debug("SF: Failed to allocate memory\n");
+- return NULL;
+- }
+-
+- flash->spi = spi;
++ flash->priv = (void *)params;
+ flash->name = params->name;
+
+ flash->write = spi_flash_cmd_write_multi;
+@@ -103,5 +96,5 @@ struct spi_flash *spi_flash_probe_winbon
+ flash->sector_size = 4096;
+ flash->size = 4096 * 16 * params->nr_blocks;
+
+- return flash;
++ return 1;
+ }
+--- a/include/spi_flash.h
++++ b/include/spi_flash.h
+@@ -31,6 +31,7 @@ struct spi_flash {
+ struct spi_slave *spi;
+
+ const char *name;
++ void *priv;
+
+ /* Total flash size */
+ u32 size;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 18:06:01 +0000