For the redundant environment configuration, env_sf_load still
contained duplicate code instead of using env_import_redund().
Simplify the code by only executing the load twice and delegating
everything else to env_import_redund.
Signed-off-by: Simon Goldschmidt <sgoldschm...@de.pepperl-fuchs.com>
---
env/sf.c | 67 ++++++++--------------------------------------------------------
1 file changed, 8 insertions(+), 59 deletions(-)
diff --git a/env/sf.c b/env/sf.c
index 3dc54410df..6326b37e46 100644
--- a/env/sf.c
+++ b/env/sf.c
@@ -166,10 +166,8 @@ static int env_sf_save(void)
static int env_sf_load(void)
{
int ret;
- int crc1_ok = 0, crc2_ok = 0;
- env_t *tmp_env1 = NULL;
- env_t *tmp_env2 = NULL;
- env_t *ep = NULL;
+ int read1_fail, read2_fail;
+ env_t *tmp_env1, *tmp_env2;
tmp_env1 = (env_t *)memalign(ARCH_DMA_MINALIGN,
CONFIG_ENV_SIZE);
@@ -185,63 +183,14 @@ static int env_sf_load(void)
if (ret)
goto out;
- ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET,
- CONFIG_ENV_SIZE, tmp_env1);
- if (ret) {
- set_default_env("!spi_flash_read() failed");
- goto err_read;
- }
-
- if (crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc)
- crc1_ok = 1;
+ read1_fail = spi_flash_read(env_flash, CONFIG_ENV_OFFSET,
+ CONFIG_ENV_SIZE, tmp_env1);
+ read2_fail = spi_flash_read(env_flash, CONFIG_ENV_OFFSET_REDUND,
+ CONFIG_ENV_SIZE, tmp_env2);
- ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET_REDUND,
- CONFIG_ENV_SIZE, tmp_env2);
- if (!ret) {
- if (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc)
- crc2_ok = 1;
- }
+ ret = env_import_redund((char *)tmp_env1, read1_fail, (char *)tmp_env2,
+ read2_fail);
- if (!crc1_ok && !crc2_ok) {
- set_default_env("!bad CRC");
- ret = -EIO;
- goto err_read;
- } else if (crc1_ok && !crc2_ok) {
- gd->env_valid = ENV_VALID;
- } else if (!crc1_ok && crc2_ok) {
- gd->env_valid = ENV_REDUND;
- } else if (tmp_env1->flags == ACTIVE_FLAG &&
- tmp_env2->flags == OBSOLETE_FLAG) {
- gd->env_valid = ENV_VALID;
- } else if (tmp_env1->flags == OBSOLETE_FLAG &&
- tmp_env2->flags == ACTIVE_FLAG) {
- gd->env_valid = ENV_REDUND;
- } else if (tmp_env1->flags == tmp_env2->flags) {
- gd->env_valid = ENV_VALID;
- } else if (tmp_env1->flags == 0xFF) {
- gd->env_valid = ENV_VALID;
- } else if (tmp_env2->flags == 0xFF) {
- gd->env_valid = ENV_REDUND;
- } else {
- /*
- * this differs from code in env_flash.c, but I think a sane
- * default path is desirable.
- */
- gd->env_valid = ENV_VALID;
- }
-
- if (gd->env_valid == ENV_VALID)
- ep = tmp_env1;
- else
- ep = tmp_env2;
-
- ret = env_import((char *)ep, 0);
- if (ret) {
- pr_err("Cannot import environment: errno = %d\n", errno);
- set_default_env("!env_import failed");
- }
-
-err_read:
spi_flash_free(env_flash);
env_flash = NULL;
out:
--
2.11.0
Pepperl+Fuchs GmbH, Mannheim
Geschaeftsfuehrer/Managing Directors: Dr.-Ing. Gunther Kegel (Vors./CEO),
Werner Guthier, Mehmet Hatiboglu
Vorsitzender des Aufsichtsrats/Chairman of the supervisory board: Claus Michael
Registergericht/Register Court: AG Mannheim HRB 4713
Wichtiger Hinweis:
Diese E-Mail einschliesslich ihrer Anhaenge enthaelt vertrauliche und rechtlich
geschuetzte Informationen, die nur fuer den Adressaten bestimmt sind.
Sollten Sie nicht der bezeichnete Adressat sein, so teilen Sie dies bitte dem
Absender umgehend mit und loeschen Sie diese Nachricht und ihre Anhaenge. Die
unbefugte Weitergabe, das Anfertigen von Kopien und jede Veraenderung der
E-Mail ist untersagt. Der Absender haftet nicht fuer Inhalte von veraenderten
E-Mails.
Important Information:
This e-mail message including its attachments contains confidential and legally
protected information solely intended for the addressee. If you are not the
intended addressee of this message, please contact the addresser immediately
and delete this message including its attachments. The unauthorized
dissemination, copying and change of this e-mail are strictly forbidden. The
addresser shall not be liable for the content of such changed e-mails.
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
