agross-korg commented on a change in pull request #2131: da1469x: Add Encrypted
Flash Driver
URL: https://github.com/apache/mynewt-core/pull/2131#discussion_r357694619
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File path: hw/drivers/flash/enc_flash/include/enc_flash/enc_flash.h
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@@ -31,6 +31,7 @@ extern "C" {
struct enc_flash_dev {
struct hal_flash efd_hal;
const struct hal_flash *efd_hwdev; /* pointer to underlying hw dev */
+ struct os_sem ef_sem;
Review comment:
i'm assuming this is being done because the AES engine can only support a
single AES operation in progress at a time. However, perhaps we need an AES
driver that has this embedded inside of that. We could have other users that
are not the flash driver who may use the AES engine.
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