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card_emu: Remove extraneous code

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card_set_state(ch, ISO_S_WAIT_ATR) internally calls tc_etu_enable(),
so there's no need for the caller to do the same, too.

Change-Id: I2a2b4d64c40264623313a867957ffcefe57748f9
This commit is contained in:
Harald Welte
2019-12-15 13:23:51 +01:00
parent 6a3a714e2f
commit 4d4405ff3a
1 changed files with 1 additions and 3 deletions
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4
firmware/libcommon/source/card_emu.c
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@@ -453,7 +453,7 @@ static void card_set_state(struct card_handle *ch,
* since the initial ETU is Fd=372/Dd=1 clock cycles long, we have to wait 2-107 ETU.
*/
tc_etu_set_wtime(ch->tc_chan, 2);
/* ensure the TC_ETU timer is enabled */
/* enable the TC/ETU counter once reset has been released */
tc_etu_enable(ch->tc_chan);
break;
case ISO_S_IN_ATR:
@@ -1129,8 +1129,6 @@ void card_emu_io_statechg(struct card_handle *ch, enum card_io io, int active)
/* check end activation state (even if the reader does
* not respect the activation sequence) */
if (ch->vcc_active && ch->clocked && !ch->in_reset) {
/* enable the TC/ETU counter once reset has been released */
tc_etu_enable(ch->tc_chan);
/* prepare to send the ATR */
card_set_state(ch, ISO_S_WAIT_ATR);
}