Add a comment in dbus_read

This just comments the current behavior
rbb_cleanup
Megan Wachs 2018-01-04 13:27:35 -08:00 committed by GitHub
parent 82529e71e0
commit 33aad3524b
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1 changed files with 6 additions and 1 deletions

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@ -455,6 +455,11 @@ static uint64_t dbus_read(struct target *target, uint16_t address)
dbus_status_t status; dbus_status_t status;
uint16_t address_in; uint16_t address_in;
/* If the previous read/write was to the same address, we will get the read data
* from the previous access.
* While somewhat nonintuitive, this is an efficient way to get the data.
*/
unsigned i = 0; unsigned i = 0;
do { do {
status = dbus_scan(target, &address_in, &value, DBUS_OP_READ, address, 0); status = dbus_scan(target, &address_in, &value, DBUS_OP_READ, address, 0);