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Commit 1e1589ad authored by Maciej S. Szmigiero's avatar Maciej S. Szmigiero Committed by David S. Miller
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mISDN: Support DR6 indication in mISDNipac driver 



According to figure 39 in PEB3086 data sheet, version 1.4 this indication
replaces DR when layer 1 transition source state is F6.

This fixes mISDN layer 1 getting stuck in F6 state in TE mode on
Dialogic Diva 2.02 card (and possibly others) when NT deactivates it.

Signed-off-by: default avatarMaciej S. Szmigiero <mail@maciej.szmigiero.name>
Acked-by: default avatarKarsten Keil <keil@b1-systems.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 464be1e0

drivers/isdn/hardware/mISDN/ipac.h

+1 −0
Original line number Diff line number Diff line
@@ -217,6 +217,7 @@ struct ipac_hw { 
#define ISAC_IND_SD		0x2

#define ISAC_IND_DIS		0x3

#define ISAC_IND_RSY		0x4

#define ISAC_IND_DR6		0x5

#define ISAC_IND_EI		0x6

#define ISAC_IND_PU		0x7

#define ISAC_IND_ARD		0x8

drivers/isdn/hardware/mISDN/mISDNipac.c

+2 −0
Original line number Diff line number Diff line
@@ -80,6 +80,7 @@ isac_ph_state_bh(struct dchannel *dch) 
		l1_event(dch->l1, HW_DEACT_CNF);

		break;

	case ISAC_IND_DR:

	case ISAC_IND_DR6:

		dch->state = 3;

		l1_event(dch->l1, HW_DEACT_IND);

		break;
@@ -660,6 +661,7 @@ isac_l1cmd(struct dchannel *dch, u32 cmd) 
		spin_lock_irqsave(isac->hwlock, flags);

		if ((isac->state == ISAC_IND_EI) ||

		    (isac->state == ISAC_IND_DR) ||

		    (isac->state == ISAC_IND_DR6) ||

		    (isac->state == ISAC_IND_RS))

			ph_command(isac, ISAC_CMD_TIM);

		else