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authorHirokazu Takata <takata@linux-m32r.org>2007-07-26 13:41:19 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-26 14:35:20 -0400
commit4fc09385c79fa95e97365d33de9b4e046d680b94 (patch)
tree961d42af4fd22ae01cfef355c39fc98276958862 /arch/m32r
parentb5445f956ec3c8c19b760775e9ff92a160e3a167 (diff)
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>
Diffstat (limited to 'arch/m32r')
-rw-r--r--arch/m32r/kernel/setup_mappi.c5
1 files changed, 3 insertions, 2 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)
45 45
46static void end_mappi_irq(unsigned int irq) 46static void end_mappi_irq(unsigned int irq)
47{ 47{
48 enable_mappi_irq(irq); 48 if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
49 enable_mappi_irq(irq);
49} 50}
50 51
51static unsigned int startup_mappi_irq(unsigned int irq) 52static unsigned int startup_mappi_irq(unsigned int irq)
@@ -88,7 +89,7 @@ void __init init_IRQ(void)
88 irq_desc[M32R_IRQ_INT0].chip = &mappi_irq_type; 89 irq_desc[M32R_IRQ_INT0].chip = &mappi_irq_type;
89 irq_desc[M32R_IRQ_INT0].action = NULL; 90 irq_desc[M32R_IRQ_INT0].action = NULL;
90 irq_desc[M32R_IRQ_INT0].depth = 1; 91 irq_desc[M32R_IRQ_INT0].depth = 1;
91 icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10; 92 icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
92 disable_mappi_irq(M32R_IRQ_INT0); 93 disable_mappi_irq(M32R_IRQ_INT0);
93#endif /* CONFIG_M32R_NE2000 */ 94#endif /* CONFIG_M32R_NE2000 */
94 95