diff options
| author | Hirokazu Takata <takata@linux-m32r.org> | 2007-07-26 19:41:19 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-26 20:35:20 +0200 |
| commit | 4fc09385c79fa95e97365d33de9b4e046d680b94 (patch) | |
| tree | 961d42af4fd22ae01cfef355c39fc98276958862 | |
| parent | Allow nodes to exist that only contain ZONE_MOVABLE (diff) | |
| download | linux-4fc09385c79fa95e97365d33de9b4e046d680b94.tar.xz linux-4fc09385c79fa95e97365d33de9b4e046d680b94.zip | |
m32r: Fix ei_tx_timeout() in drivers/net/lib8390.c
Change INT0 trigger mode from edge-sense mode to level-sense mode,
in order to fix the following timeout error:
'NETDEV WATCHDOG: eth0: transmit timed out'.
This patch is required only for the Mappi platform.
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Cc: Hitoshi Yamamoto <hitoshiy@linux-m32r.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/m32r/kernel/setup_mappi.c | 5 | ||||
| -rw-r--r-- | drivers/net/lib8390.c | 9 |
2 files changed, 3 insertions, 11 deletions
diff --git a/arch/m32r/kernel/setup_mappi.c b/arch/m32r/kernel/setup_mappi.c index 6b2d77da0683..fe73c9ec611f 100644 --- a/arch/m32r/kernel/setup_mappi.c +++ b/arch/m32r/kernel/setup_mappi.c @@ -45,7 +45,8 @@ static void mask_and_ack_mappi(unsigned int irq) static void end_mappi_irq(unsigned int irq) { - enable_mappi_irq(irq); + if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) + enable_mappi_irq(irq); } static unsigned int startup_mappi_irq(unsigned int irq) @@ -88,7 +89,7 @@ void __init init_IRQ(void) irq_desc[M32R_IRQ_INT0].chip = &mappi_irq_type; irq_desc[M32R_IRQ_INT0].action = NULL; irq_desc[M32R_IRQ_INT0].depth = 1; - icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10; + icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11; disable_mappi_irq(M32R_IRQ_INT0); #endif /* CONFIG_M32R_NE2000 */ diff --git a/drivers/net/lib8390.c b/drivers/net/lib8390.c index 5c86e737f954..721ee38d2241 100644 --- a/drivers/net/lib8390.c +++ b/drivers/net/lib8390.c @@ -219,15 +219,6 @@ static void ei_tx_timeout(struct net_device *dev) int txsr, isr, tickssofar = jiffies - dev->trans_start; unsigned long flags; -#if defined(CONFIG_M32R) && defined(CONFIG_SMP) - unsigned long icucr; - - local_irq_save(flags); - icucr = inl(M32R_ICU_CR1_PORTL); - icucr |= M32R_ICUCR_ISMOD11; - outl(icucr, M32R_ICU_CR1_PORTL); - local_irq_restore(flags); -#endif ei_local->stat.tx_errors++; spin_lock_irqsave(&ei_local->page_lock, flags); |