From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/net/ethernet/natsemi/macsonic.c | 50 ++++++++------------------------------------------
1 files changed, 8 insertions(+), 42 deletions(-)
diff --git a/kernel/drivers/net/ethernet/natsemi/macsonic.c b/kernel/drivers/net/ethernet/natsemi/macsonic.c
index 23c9394..2289e1f 100644
--- a/kernel/drivers/net/ethernet/natsemi/macsonic.c
+++ b/kernel/drivers/net/ethernet/natsemi/macsonic.c
@@ -51,8 +51,8 @@
#include <linux/dma-mapping.h>
#include <linux/bitrev.h>
#include <linux/slab.h>
+#include <linux/pgtable.h>
-#include <asm/pgtable.h>
#include <asm/io.h>
#include <asm/hwtest.h>
#include <asm/dma.h>
@@ -114,17 +114,6 @@
addr[i] = bitrev8(addr[i]);
}
-static irqreturn_t macsonic_interrupt(int irq, void *dev_id)
-{
- irqreturn_t result;
- unsigned long flags;
-
- local_irq_save(flags);
- result = sonic_interrupt(irq, dev_id);
- local_irq_restore(flags);
- return result;
-}
-
static int macsonic_open(struct net_device* dev)
{
int retval;
@@ -135,12 +124,12 @@
dev->name, dev->irq);
goto err;
}
- /* Under the A/UX interrupt scheme, the onboard SONIC interrupt comes
- * in at priority level 3. However, we sometimes get the level 2 inter-
- * rupt as well, which must prevent re-entrance of the sonic handler.
+ /* Under the A/UX interrupt scheme, the onboard SONIC interrupt gets
+ * moved from level 2 to level 3. Unfortunately we still get some
+ * level 2 interrupts so register the handler for both.
*/
if (dev->irq == IRQ_AUTO_3) {
- retval = request_irq(IRQ_NUBUS_9, macsonic_interrupt, 0,
+ retval = request_irq(IRQ_NUBUS_9, sonic_interrupt, 0,
"sonic", dev);
if (retval) {
printk(KERN_ERR "%s: unable to get IRQ %d.\n",
@@ -186,33 +175,10 @@
static int macsonic_init(struct net_device *dev)
{
struct sonic_local* lp = netdev_priv(dev);
+ int err = sonic_alloc_descriptors(dev);
- /* Allocate the entire chunk of memory for the descriptors.
- Note that this cannot cross a 64K boundary. */
- lp->descriptors = dma_alloc_coherent(lp->device,
- SIZEOF_SONIC_DESC *
- SONIC_BUS_SCALE(lp->dma_bitmode),
- &lp->descriptors_laddr,
- GFP_KERNEL);
- if (lp->descriptors == NULL)
- return -ENOMEM;
-
- /* Now set up the pointers to point to the appropriate places */
- lp->cda = lp->descriptors;
- lp->tda = lp->cda + (SIZEOF_SONIC_CDA
- * SONIC_BUS_SCALE(lp->dma_bitmode));
- lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS
- * SONIC_BUS_SCALE(lp->dma_bitmode));
- lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS
- * SONIC_BUS_SCALE(lp->dma_bitmode));
-
- lp->cda_laddr = lp->descriptors_laddr;
- lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA
- * SONIC_BUS_SCALE(lp->dma_bitmode));
- lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS
- * SONIC_BUS_SCALE(lp->dma_bitmode));
- lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS
- * SONIC_BUS_SCALE(lp->dma_bitmode));
+ if (err)
+ return err;
dev->netdev_ops = &macsonic_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
--
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