diff options
Diffstat (limited to 'src/drivers')
-rw-r--r-- | src/drivers/spi/eon.c | 9 | ||||
-rw-r--r-- | src/drivers/spi/gigadevice.c | 9 | ||||
-rw-r--r-- | src/drivers/spi/macronix.c | 9 | ||||
-rw-r--r-- | src/drivers/spi/spansion.c | 9 | ||||
-rw-r--r-- | src/drivers/spi/spi_flash.c | 21 | ||||
-rw-r--r-- | src/drivers/spi/sst.c | 8 | ||||
-rw-r--r-- | src/drivers/spi/stmicro.c | 7 | ||||
-rw-r--r-- | src/drivers/spi/winbond.c | 8 |
8 files changed, 11 insertions, 69 deletions
diff --git a/src/drivers/spi/eon.c b/src/drivers/spi/eon.c index 85567eb0d6..69869e9ff0 100644 --- a/src/drivers/spi/eon.c +++ b/src/drivers/spi/eon.c @@ -73,7 +73,7 @@ static int eon_write(struct spi_flash *flash, unsigned long page_size; size_t chunk_len; size_t actual; - int ret; + int ret = 0; u8 cmd[4]; page_size = eon->params->page_size; @@ -81,13 +81,7 @@ static int eon_write(struct spi_flash *flash, byte_addr = offset % page_size; flash->spi->rw = SPI_WRITE_FLAG; - ret = spi_claim_bus(flash->spi); - if (ret) { - printk(BIOS_WARNING, "SF: Unable to claim SPI bus\n"); - return ret; - } - ret = 0; for (actual = 0; actual < len; actual += chunk_len) { chunk_len = min(len - actual, page_size - byte_addr); @@ -128,7 +122,6 @@ static int eon_write(struct spi_flash *flash, len, offset); #endif - spi_release_bus(flash->spi); return ret; } diff --git a/src/drivers/spi/gigadevice.c b/src/drivers/spi/gigadevice.c index d9d4e17f57..68b487efca 100644 --- a/src/drivers/spi/gigadevice.c +++ b/src/drivers/spi/gigadevice.c @@ -126,19 +126,13 @@ static int gigadevice_write(struct spi_flash *flash, u32 offset, unsigned long page_size; size_t chunk_len; size_t actual; - int ret; + int ret = 0; u8 cmd[4]; page_size = 1 << stm->params->l2_page_size; byte_addr = offset % page_size; flash->spi->rw = SPI_WRITE_FLAG; - ret = spi_claim_bus(flash->spi); - if (ret) { - printk(BIOS_WARNING, - "SF gigadevice.c: Unable to claim SPI bus\n"); - return ret; - } for (actual = 0; actual < len; actual += chunk_len) { chunk_len = min(len - actual, page_size - byte_addr); @@ -187,7 +181,6 @@ static int gigadevice_write(struct spi_flash *flash, u32 offset, ret = 0; out: - spi_release_bus(flash->spi); return ret; } diff --git a/src/drivers/spi/macronix.c b/src/drivers/spi/macronix.c index 1516770579..51d8956351 100644 --- a/src/drivers/spi/macronix.c +++ b/src/drivers/spi/macronix.c @@ -161,20 +161,14 @@ static int macronix_write(struct spi_flash *flash, unsigned long page_size; size_t chunk_len; size_t actual; - int ret; + int ret = 0; u8 cmd[4]; page_size = mcx->params->page_size; byte_addr = offset % page_size; flash->spi->rw = SPI_WRITE_FLAG; - ret = spi_claim_bus(flash->spi); - if (ret) { - printk(BIOS_WARNING, "SF: Unable to claim SPI bus\n"); - return ret; - } - ret = 0; for (actual = 0; actual < len; actual += chunk_len) { chunk_len = min(len - actual, page_size - byte_addr); chunk_len = spi_crop_chunk(sizeof(cmd), chunk_len); @@ -215,7 +209,6 @@ static int macronix_write(struct spi_flash *flash, " 0x%lx\n", len, (unsigned long)(offset - len)); #endif - spi_release_bus(flash->spi); return ret; } diff --git a/src/drivers/spi/spansion.c b/src/drivers/spi/spansion.c index fc96e40260..fba816af62 100644 --- a/src/drivers/spi/spansion.c +++ b/src/drivers/spi/spansion.c @@ -141,7 +141,7 @@ static int spansion_write(struct spi_flash *flash, unsigned long page_size; size_t chunk_len; size_t actual; - int ret; + int ret = 0; u8 cmd[4]; page_size = spsn->params->page_size; @@ -149,13 +149,7 @@ static int spansion_write(struct spi_flash *flash, byte_addr = offset % page_size; flash->spi->rw = SPI_WRITE_FLAG; - ret = spi_claim_bus(flash->spi); - if (ret) { - printk(BIOS_WARNING, "SF: Unable to claim SPI bus\n"); - return ret; - } - ret = 0; for (actual = 0; actual < len; actual += chunk_len) { chunk_len = min(len - actual, page_size - byte_addr); @@ -196,7 +190,6 @@ static int spansion_write(struct spi_flash *flash, len, offset); #endif - spi_release_bus(flash->spi); return ret; } diff --git a/src/drivers/spi/spi_flash.c b/src/drivers/spi/spi_flash.c index 0d67c43385..d737ee9e61 100644 --- a/src/drivers/spi/spi_flash.c +++ b/src/drivers/spi/spi_flash.c @@ -46,6 +46,9 @@ static int do_spi_flash_cmd(struct spi_slave *spi, const void *dout, { int ret = 1; + if (spi_claim_bus(spi)) + return ret; + #if CONFIG_SPI_ATOMIC_SEQUENCING == 1 if (spi_xfer(spi, dout, bytes_out, din, bytes_in) < 0) goto done; @@ -63,6 +66,7 @@ static int do_spi_flash_cmd(struct spi_slave *spi, const void *dout, ret = 0; done: + spi_release_bus(spi); return ret; } @@ -111,9 +115,7 @@ int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd, int ret; spi->rw = SPI_READ_FLAG; - spi_claim_bus(spi); ret = spi_flash_cmd_read(spi, cmd, cmd_len, data, data_len); - spi_release_bus(spi); return ret; } @@ -188,11 +190,6 @@ int spi_flash_cmd_erase(struct spi_flash *flash, u8 erase_cmd, } flash->spi->rw = SPI_WRITE_FLAG; - ret = spi_claim_bus(flash->spi); - if (ret) { - printk(BIOS_WARNING, "SF: Unable to claim SPI bus\n"); - return ret; - } cmd[0] = erase_cmd; start = offset; @@ -222,7 +219,6 @@ int spi_flash_cmd_erase(struct spi_flash *flash, u8 erase_cmd, printk(BIOS_DEBUG, "SF: Successfully erased %zu bytes @ %#x\n", len, start); out: - spi_release_bus(flash->spi); return ret; } @@ -307,11 +303,6 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs) } spi->rw = SPI_READ_FLAG; - ret = spi_claim_bus(spi); - if (ret) { - printk(BIOS_WARNING, "SF: Failed to claim SPI bus: %d\n", ret); - goto err_claim_bus; - } if (spi->force_programmer_specific && spi->programmer_specific_probe) { flash = spi->programmer_specific_probe (spi); @@ -375,13 +366,9 @@ flash_detected: printk(BIOS_INFO, "SF: Detected %s with page size %x, total %x\n", flash->name, flash->sector_size, flash->size); - spi_release_bus(spi); - return flash; err_manufacturer_probe: err_read_id: - spi_release_bus(spi); -err_claim_bus: return NULL; } diff --git a/src/drivers/spi/sst.c b/src/drivers/spi/sst.c index d81888a709..f681b7eeba 100644 --- a/src/drivers/spi/sst.c +++ b/src/drivers/spi/sst.c @@ -146,15 +146,10 @@ static int sst_write(struct spi_flash *flash, u32 offset, size_t len, const void *buf) { size_t actual, cmd_len; - int ret; + int ret = 0; u8 cmd[4]; flash->spi->rw = SPI_WRITE_FLAG; - ret = spi_claim_bus(flash->spi); - if (ret) { - printk(BIOS_WARNING, "SF: Unable to claim SPI bus\n"); - return ret; - } /* If the data is not word aligned, write out leading single byte */ actual = offset % 2; @@ -209,7 +204,6 @@ done: printk(BIOS_SPEW, "SF: SST: program %s %zu bytes @ 0x%lx\n", ret ? "failure" : "success", len, (unsigned long)offset - actual); #endif - spi_release_bus(flash->spi); return ret; } diff --git a/src/drivers/spi/stmicro.c b/src/drivers/spi/stmicro.c index fda6124ac0..70ff1070a0 100644 --- a/src/drivers/spi/stmicro.c +++ b/src/drivers/spi/stmicro.c @@ -167,18 +167,13 @@ static int stmicro_write(struct spi_flash *flash, unsigned long page_size; size_t chunk_len; size_t actual; - int ret; + int ret = 0; u8 cmd[4]; page_size = stm->params->page_size; byte_addr = offset % page_size; flash->spi->rw = SPI_WRITE_FLAG; - ret = spi_claim_bus(flash->spi); - if (ret) { - printk(BIOS_WARNING, "SF: Unable to claim SPI bus\n"); - return ret; - } for (actual = 0; actual < len; actual += chunk_len) { chunk_len = min(len - actual, page_size - byte_addr); diff --git a/src/drivers/spi/winbond.c b/src/drivers/spi/winbond.c index 907e52d12e..4c4150f40d 100644 --- a/src/drivers/spi/winbond.c +++ b/src/drivers/spi/winbond.c @@ -136,18 +136,13 @@ static int winbond_write(struct spi_flash *flash, unsigned long page_size; size_t chunk_len; size_t actual; - int ret; + int ret = 0; u8 cmd[4]; page_size = 1 << stm->params->l2_page_size; byte_addr = offset % page_size; flash->spi->rw = SPI_WRITE_FLAG; - ret = spi_claim_bus(flash->spi); - if (ret) { - printk(BIOS_WARNING, "SF: Unable to claim SPI bus\n"); - return ret; - } for (actual = 0; actual < len; actual += chunk_len) { chunk_len = min(len - actual, page_size - byte_addr); @@ -191,7 +186,6 @@ static int winbond_write(struct spi_flash *flash, ret = 0; out: - spi_release_bus(flash->spi); return ret; } |