From 4fc09385c79fa95e97365d33de9b4e046d680b94 Mon Sep 17 00:00:00 2001 From: Hirokazu Takata Date: Thu, 26 Jul 2007 10:41:19 -0700 Subject: [PATCH] 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 Cc: Hitoshi Yamamoto Cc: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/m32r/kernel/setup_mappi.c | 5 +++-- 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); -- 2.39.5