redonkable/remarkable-linux
redonkable/remarkable-linux
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[SPARC64]: Use more mearningful names for IRQ registry.

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All of the interrupts say "LDX RX" and "LDX TX" currently
which is next to useless.  Put a device specific prefix
before "RX" and "TX" instead which makes it much more
useful.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-07-11 23:22:55 -07:00
parent e450992d13
commit 133f09a169
4 changed files with 16 additions and 6 deletions
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2
arch/sparc64/kernel/ds.c
View file

@ -598,7 +598,7 @@ static int __devinit ds_probe(struct vio_dev *vdev,
}
dp->lp = lp;
err = ldc_bind(lp);
err = ldc_bind(lp, "DS");
if (err)
goto out_free_ldc;

16
arch/sparc64/kernel/ldc.c
View file

@ -158,6 +158,10 @@ struct ldc_channel {
u8 mss;
u8 state;
#define LDC_IRQ_NAME_MAX 32
char rx_irq_name[LDC_IRQ_NAME_MAX];
char tx_irq_name[LDC_IRQ_NAME_MAX];
struct hlist_head mh_list;
struct hlist_node list;
@ -1226,25 +1230,31 @@ EXPORT_SYMBOL(ldc_free);
* state. This does not initiate a handshake, ldc_connect() does
* that.
*/
int ldc_bind(struct ldc_channel *lp)
int ldc_bind(struct ldc_channel *lp, const char *name)
{
unsigned long hv_err, flags;
int err = -EINVAL;
spin_lock_irqsave(&lp->lock, flags);
if (!name)
goto out_err;
if (lp->state != LDC_STATE_INIT)
goto out_err;
snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name);
snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
err = request_irq(lp->cfg.rx_irq, ldc_rx,
IRQF_SAMPLE_RANDOM | IRQF_SHARED,
"LDC RX", lp);
lp->rx_irq_name, lp);
if (err)
goto out_err;
err = request_irq(lp->cfg.tx_irq, ldc_tx,
IRQF_SAMPLE_RANDOM | IRQF_SHARED,
"LDC TX", lp);
lp->tx_irq_name, lp);
if (err)
goto out_free_rx_irq;

2
arch/sparc64/kernel/viohs.c
View file

@ -724,7 +724,7 @@ void vio_port_up(struct vio_driver_state *vio)
err = 0;
if (state == LDC_STATE_INIT) {
err = ldc_bind(vio->lp);
err = ldc_bind(vio->lp, vio->name);
if (err)
printk(KERN_WARNING "%s: Port %lu bind failed, "
"err=%d\n",

2
include/asm-sparc64/ldc.h
View file

@ -56,7 +56,7 @@ extern struct ldc_channel *ldc_alloc(unsigned long id,
extern void ldc_free(struct ldc_channel *lp);
/* Register TX and RX queues of the link with the hypervisor. */
extern int ldc_bind(struct ldc_channel *lp);
extern int ldc_bind(struct ldc_channel *lp, const char *name);
/* For non-RAW protocols we need to complete a handshake before
* communication can proceed. ldc_connect() does that, if the