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jtag/swd: extend ap_delay_hint parameter comments

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Assure that zero is passed in ap_delay_hint in case of DP r/w.

Change-Id: I5cd53b99950a7f1398b88f7394b3e66530803479
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: https://review.openocd.org/c/openocd/+/8689
Tested-by: jenkins
This commit is contained in:
Tomas Vanek
2025-01-03 15:04:43 +01:00
parent 537d907555
commit f71b0bbd7b
1 changed files with 2 additions and 0 deletions
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src/jtag/swd.h
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@@ -270,6 +270,7 @@ struct swd_driver {
* @param Where to store value to read from register * @param Where to store value to read from register
* @param ap_delay_hint Number of idle cycles that may be * @param ap_delay_hint Number of idle cycles that may be
* needed after an AP access to avoid WAITs * needed after an AP access to avoid WAITs
* or zero in case of DP read.
*/ */
void (*read_reg)(uint8_t cmd, uint32_t *value, uint32_t ap_delay_hint); void (*read_reg)(uint8_t cmd, uint32_t *value, uint32_t ap_delay_hint);
@@ -280,6 +281,7 @@ struct swd_driver {
* @param Value to be written to the register * @param Value to be written to the register
* @param ap_delay_hint Number of idle cycles that may be * @param ap_delay_hint Number of idle cycles that may be
* needed after an AP access to avoid WAITs * needed after an AP access to avoid WAITs
* or zero in case of DP write.
*/ */
void (*write_reg)(uint8_t cmd, uint32_t value, uint32_t ap_delay_hint); void (*write_reg)(uint8_t cmd, uint32_t value, uint32_t ap_delay_hint);