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Commit f1abed17 authored by Samuel Ortiz's avatar Samuel Ortiz
Browse files

NFC: pn533: Fix hardware busy loop when establishing the LLCP link 



By using the standard setting for the regular pn533 dongles, we no
longer wait for ever for an ATR_RES. Without this, a failing ATR_REQ
will put the hardware into a busy loop, constantly waiting for an
ATR_RES.

Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 91a32269

drivers/nfc/pn533.c

+0 −11
Original line number Diff line number Diff line
@@ -2605,17 +2605,6 @@ static int pn533_setup(struct pn533 *dev) 


	switch (dev->device_type) {

	case PN533_DEVICE_STD:

		max_retries.mx_rty_atr = PN533_CONFIG_MAX_RETRIES_ENDLESS;

		max_retries.mx_rty_psl = 2;

		max_retries.mx_rty_passive_act =

			PN533_CONFIG_MAX_RETRIES_NO_RETRY;



		timing.rfu = PN533_CONFIG_TIMING_102;

		timing.atr_res_timeout = PN533_CONFIG_TIMING_204;

		timing.dep_timeout = PN533_CONFIG_TIMING_409;



		break;



	case PN533_DEVICE_PASORI:

	case PN533_DEVICE_ACR122U:

		max_retries.mx_rty_atr = 0x2;