diff options
Diffstat (limited to 'src/drivers/elog/elog.c')
| -rw-r--r-- | src/drivers/elog/elog.c | 45 |
1 files changed, 19 insertions, 26 deletions
diff --git a/src/drivers/elog/elog.c b/src/drivers/elog/elog.c index 439ccc363c..8f47ca2d5b 100644 --- a/src/drivers/elog/elog.c +++ b/src/drivers/elog/elog.c @@ -377,25 +377,19 @@ static void elog_validate_and_fill(struct elog_descriptor *elog) } /* - * Initialize a new ELOG descriptor + * (Re)initialize a new ELOG descriptor */ -static void elog_init_descriptor(struct elog_descriptor *elog, - u8 *buffer, u32 size) +static void elog_init_descriptor(struct elog_descriptor *elog) { - elog_debug("elog_init_descriptor(buffer=0x%p size=%u)\n", buffer, size); + elog_debug("elog_init_descriptor()\n"); elog->area_state = ELOG_AREA_UNDEFINED; elog->header_state = ELOG_HEADER_INVALID; elog->event_buffer_state = ELOG_EVENT_BUFFER_OK; - elog->backing_store = buffer; - elog->total_size = size; /* Fill memory buffer by reading from SPI */ - elog_spi->read(elog_spi, elog->flash_base, size, buffer); - - /* Data starts immediately after header */ - elog->data = &buffer[sizeof(struct elog_header)]; - elog->data_size = size - sizeof(struct elog_header); + elog_spi->read(elog_spi, elog->flash_base, elog->total_size, + elog->backing_store); elog->next_event_offset = 0; elog->last_event_offset = 0; @@ -406,20 +400,12 @@ static void elog_init_descriptor(struct elog_descriptor *elog, } /* - * Re-initialize an existing ELOG descriptor - */ -static void elog_reinit_descriptor(struct elog_descriptor *elog) -{ - elog_debug("elog_reinit_descriptor()\n"); - elog_init_descriptor(elog, elog->backing_store, elog->total_size); -} - -/* * Create ELOG descriptor data structures for all ELOG areas. */ static int elog_setup_descriptors(u32 flash_base, u32 area_size) { u8 *area; + struct elog_descriptor *flash = elog_get_flash(); elog_debug("elog_setup_descriptors(base=0x%08x size=%u)\n", flash_base, area_size); @@ -435,8 +421,15 @@ static int elog_setup_descriptors(u32 flash_base, u32 area_size) printk(BIOS_ERR, "ELOG: Unable to allocate backing store\n"); return -1; } - elog_get_flash()->flash_base = flash_base; - elog_init_descriptor(elog_get_flash(), area, area_size); + flash->flash_base = flash_base; + flash->backing_store = area; + flash->total_size = area_size; + + /* Data starts immediately after header */ + flash->data = area + sizeof(struct elog_header); + flash->data_size = area_size - sizeof(struct elog_header); + + elog_init_descriptor(flash); return 0; } @@ -449,7 +442,7 @@ static void elog_flash_erase_area(void) elog_flash_erase(elog->backing_store, elog->total_size); memset(elog->backing_store, ELOG_TYPE_EOL, elog->total_size); - elog_reinit_descriptor(elog); + elog_init_descriptor(elog); } static void elog_prepare_empty(struct elog_descriptor *elog) @@ -470,7 +463,7 @@ static void elog_prepare_empty(struct elog_descriptor *elog) header->reserved[1] = ELOG_TYPE_EOL; elog_flash_write(elog->backing_store, header->header_size); - elog_reinit_descriptor(elog); + elog_init_descriptor(elog); } static int elog_sync_flash_to_mem(void) @@ -490,7 +483,7 @@ static int elog_sync_flash_to_mem(void) elog_spi->read(elog_spi, flash->flash_base + sizeof(struct elog_header), flash->next_event_offset, flash->data); - elog_reinit_descriptor(flash); + elog_init_descriptor(flash); return elog_is_area_valid(flash) ? 0 : -1; } @@ -569,7 +562,7 @@ static int elog_shrink(void) elog_flash_erase(flash->backing_store, flash->total_size); elog_flash_write(flash->backing_store, flash->total_size); - elog_reinit_descriptor(flash); + elog_init_descriptor(flash); /* Ensure the area was successfully erased */ if (flash->next_event_offset >= CONFIG_ELOG_FULL_THRESHOLD) { |