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Commit b38178ee712e8608f20c8e741adf97f75f1aea39

Authored by Jörn Engel
Committed by David Woodhouse
1 parent 5041f1f1b7
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

[MTD] Document erase interface. 

Document mtd erase interface.

Signed-off-by: Jörn Engel <joern@logfs.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

Showing 1 changed file with 7 additions and 0 deletions Side-by-side Diff

include/linux/mtd/mtd.h
Diff comments   View file @ b38178e
... ... @@ -133,6 +133,13 @@
133 133 int numeraseregions;
134 134 struct mtd_erase_region_info *eraseregions;
135 135  
  136 + /*
  137 + * Erase is an asynchronous operation. Device drivers are supposed
  138 + * to call instr->callback() whenever the operation completes, even
  139 + * if it completes with a failure.
  140 + * Callers are supposed to pass a callback function and wait for it
  141 + * to be called before writing to the block.
  142 + */
136 143 int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
137 144  
138 145 /* This stuff for eXecute-In-Place */