+ m32r-fix-ei_tx_timeout-in-drivers-net-lib8390c.patch added to -mm tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The patch titled
     m32r: Fix ei_tx_timeout() in drivers/net/lib8390.c
has been added to the -mm tree.  Its filename is
     m32r-fix-ei_tx_timeout-in-drivers-net-lib8390c.patch

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

------------------------------------------------------
Subject: m32r: Fix ei_tx_timeout() in drivers/net/lib8390.c
From: Hirokazu Takata <takata@xxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxx>
Cc: Hitoshi Yamamoto <hitoshiy@xxxxxxxxxxxxxx>
Cc: Jeff Garzik <jeff@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/m32r/kernel/setup_mappi.c |    5 +++--
 drivers/net/lib8390.c          |    9 ---------
 2 files changed, 3 insertions(+), 11 deletions(-)

diff -puN arch/m32r/kernel/setup_mappi.c~m32r-fix-ei_tx_timeout-in-drivers-net-lib8390c arch/m32r/kernel/setup_mappi.c
--- a/arch/m32r/kernel/setup_mappi.c~m32r-fix-ei_tx_timeout-in-drivers-net-lib8390c
+++ a/arch/m32r/kernel/setup_mappi.c
@@ -45,7 +45,8 @@ static void mask_and_ack_mappi(unsigned 
 
 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 -puN drivers/net/lib8390.c~m32r-fix-ei_tx_timeout-in-drivers-net-lib8390c drivers/net/lib8390.c
--- a/drivers/net/lib8390.c~m32r-fix-ei_tx_timeout-in-drivers-net-lib8390c
+++ a/drivers/net/lib8390.c
@@ -219,15 +219,6 @@ static void ei_tx_timeout(struct net_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);
_

Patches currently in -mm which might be from takata@xxxxxxxxxxxxxx are

m32r-fix-ei_tx_timeout-in-drivers-net-lib8390c.patch
during-vm-oom-condition-kill-all-threads-in-process-group.patch

-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Kernel Newbies FAQ]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Photo]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux