#include <common.h>
#include <dm.h>
+#include <log.h>
+#include <linux/delay.h>
#include <linux/unaligned/be_byteshift.h>
-#if defined(CONFIG_TPM_V1)
#include <tpm-v1.h>
-#elif defined(CONFIG_TPM_V2)
#include <tpm-v2.h>
-#endif
#include "tpm_internal.h"
int tpm_open(struct udevice *dev)
struct tpm_ops *ops = tpm_get_ops(dev);
ulong start, stop;
uint count, ordinal;
- int ret, ret2;
+ int ret, ret2 = 0;
if (ops->xfer)
return ops->xfer(dev, sendbuf, send_size, recvbuf, recv_size);
}
} while (ret);
- ret2 = ops->cleanup ? ops->cleanup(dev) : 0;
+ if (ret) {
+ if (ops->cleanup) {
+ ret2 = ops->cleanup(dev);
+ if (ret2)
+ return log_msg_ret("cleanup", ret2);
+ }
+ return log_msg_ret("xfer", ret);
+ }
- return ret2 ? ret2 : ret;
+ return 0;
}
UCLASS_DRIVER(tpm) = {
- .id = UCLASS_TPM,
- .name = "tpm",
- .flags = DM_UC_FLAG_SEQ_ALIAS,
+ .id = UCLASS_TPM,
+ .name = "tpm",
+ .flags = DM_UC_FLAG_SEQ_ALIAS,
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .post_bind = dm_scan_fdt_dev,
+#endif
.per_device_auto_alloc_size = sizeof(struct tpm_chip_priv),
};