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Commit 93ec4a82 authored by Jag Raman's avatar Jag Raman Committed by David S. Miller
Browse files

sparc64: print debug messages when reading from LDC channel 



Print debug messages when reading from given LDC channel.

Signed-off-by: default avatarJagannathan Raman <jag.raman@oracle.com>
Reviewed-by: default avatarAaron Young <aaron.young@oracle.com>
Reviewed-by: default avatarAlexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: default avatarBijan Mottahedeh <bijan.mottahedeh@oracle.com>
Reviewed-by: default avatarLiam Merwick <liam.merwick@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6c95483b

arch/sparc/kernel/ldc.c

+5 −0
Original line number Diff line number Diff line
@@ -1950,6 +1950,8 @@ int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size) 
	unsigned long flags;

	int err;



	ldcdbg(RX, "%s: entered size=%d\n", __func__, size);



	if (!buf)

		return -EINVAL;
@@ -1965,6 +1967,9 @@ int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size) 


	spin_unlock_irqrestore(&lp->lock, flags);



	ldcdbg(RX, "%s: mode=%d, head=%lu, tail=%lu rv=%d\n", __func__,

	       lp->cfg.mode, lp->rx_head, lp->rx_tail, err);



	return err;

}

EXPORT_SYMBOL(ldc_read);