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spi_flash: fix erase_range for block erase check

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Erase in block (64k) as much as possible, before falling back
to sector (4k) erase.

Signed-off-by: Mahavir Jain <mahavir@espressif.com>
This commit is contained in:
Mahavir Jain 2018-08-27 21:54:20 +05:30 committed by Konstantin Kondrashov
parent 1cbdfcc493
commit 401c940434
1 changed files with 1 additions and 1 deletions
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2
components/spi_flash/flash_ops.c
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@ -218,7 +218,7 @@ esp_err_t IRAM_ATTR spi_flash_erase_range(uint32_t start_addr, uint32_t size)
if (rc == ESP_ROM_SPIFLASH_RESULT_OK) { if (rc == ESP_ROM_SPIFLASH_RESULT_OK) {
for (size_t sector = start; sector != end && rc == ESP_ROM_SPIFLASH_RESULT_OK; ) { for (size_t sector = start; sector != end && rc == ESP_ROM_SPIFLASH_RESULT_OK; ) {
spi_flash_guard_start(); spi_flash_guard_start();
if (sector % sectors_per_block == 0 && end - sector > sectors_per_block) { if (sector % sectors_per_block == 0 && end - sector >= sectors_per_block) {
rc = esp_rom_spiflash_erase_block(sector / sectors_per_block); rc = esp_rom_spiflash_erase_block(sector / sectors_per_block);
sector += sectors_per_block; sector += sectors_per_block;
COUNTER_ADD_BYTES(erase, sectors_per_block * SPI_FLASH_SEC_SIZE); COUNTER_ADD_BYTES(erase, sectors_per_block * SPI_FLASH_SEC_SIZE);