commit 32fe854a4d024adc954e09e2f4d295772c77a6c0
author Sean Howarth <showarth@google.com> Tue Apr 16 18:37:55 2013 -0700
committer Andrew Davies <awdavies@google.com> Mon Mar 30 22:01:57 2015 +0000
tree 71549db5cb7eb0b723a3947dad405ba190d8e800
parent 5f16f7ab93f25a2fc8d70becd04cc2ea9ca9a39a

sysvar: unprotect/protect flash before/after save.

Change-Id: I9eb9d2abb27281e4abb0ea1d6bb9ea46a495c1d7

common/cmd_sysvar.c

diff --git a/common/cmd_sysvar.c b/common/cmd_sysvar.c
index a5dac7f..46a3bcd 100644
--- a/common/cmd_sysvar.c
+++ b/common/cmd_sysvar.c
@@ -137,6 +137,15 @@
 static int data_save(struct sysvar_buf *buf, int *idx) {
   int i, j, ret;
 
+#ifdef CONFIG_SPI_FLASH_PROTECTION
+  printf("SV: Unprotecting flash\n");
+  ret = spi_flash_protect(sf_dev, 0);
+  if (ret) {
+    printf("## Error: failed to unprotect flash\n");
+    return 1;
+  }
+#endif
+
   /* save the system variables */
   for (j = 0; j < 2; j++) {
     i = idx[j];
@@ -163,6 +172,16 @@
       return 1;
     }
   }
+
+#ifdef CONFIG_SPI_FLASH_PROTECTION
+  printf("SV: Protecting flash\n");
+  ret = spi_flash_protect(sf_dev, 1);
+  if (ret) {
+    printf("## Error: failed to protect flash\n");
+    return 1;
+  }
+#endif
+
   return 0;
 }