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[PATCH] skge: stop bogus sensor messages

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Some versions of the Marvell yukon generate bogus sensor warning interrupts.
The driver would flood log with these messages.  Handle this situation
cleanly by masking away at boot time.

Fixes: http://bugs.gentoo.org/show_bug.cgi?id=87182

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>

 drivers/net/skge.c |   24 ++++++++++--------------
 drivers/net/skge.h |    8 ++++++--
 2 files changed, 16 insertions(+), 16 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
tirimbino
Stephen Hemminger 20 years ago committed by Jeff Garzik
parent ab707da7cf
commit 050ec18a35
2 changed files with 16 additions and 16 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 24
      drivers/net/skge.c
  2. 8
      drivers/net/skge.h

24
drivers/net/skge.c
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@ -2670,18 +2670,6 @@ static void skge_error_irq(struct skge_hw *hw)
/* Timestamp (unused) overflow */
if (hwstatus & IS_IRQ_TIST_OV)
skge_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
if (hwstatus & IS_IRQ_SENSOR) {
/* no sensors on 32-bit Yukon */
if (!(skge_read16(hw, B0_CTST) & CS_BUS_SLOT_SZ)) {
printk(KERN_ERR PFX "ignoring bogus sensor interrups\n");
skge_write32(hw, B0_HWE_IMSK,
IS_ERR_MSK & ~IS_IRQ_SENSOR);
} else
printk(KERN_WARNING PFX "sensor interrupt\n");
}
}
if (hwstatus & IS_RAM_RD_PAR) {
@ -2712,9 +2700,10 @@ static void skge_error_irq(struct skge_hw *hw)
skge_pci_clear(hw);
/* if error still set then just ignore it */
hwstatus = skge_read32(hw, B0_HWE_ISRC);
if (hwstatus & IS_IRQ_STAT) {
printk(KERN_WARNING PFX "IRQ status %x: still set ignoring hardware errors\n",
pr_debug("IRQ status %x: still set ignoring hardware errors\n",
hwstatus);
hw->intr_mask &= ~IS_HW_ERR;
}
@ -2948,12 +2937,20 @@ static int skge_reset(struct skge_hw *hw)
else
hw->ram_size = t8 * 4096;
hw->intr_mask = IS_HW_ERR | IS_EXT_REG;
if (hw->chip_id == CHIP_ID_GENESIS)
genesis_init(hw);
else {
/* switch power to VCC (WA for VAUX problem) */
skge_write8(hw, B0_POWER_CTRL,
PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON);
/* avoid boards with stuck Hardware error bits */
if ((skge_read32(hw, B0_ISRC) & IS_HW_ERR) &&
(skge_read32(hw, B0_HWE_ISRC) & IS_IRQ_SENSOR)) {
printk(KERN_WARNING PFX "stuck hardware sensor bit\n");
hw->intr_mask &= ~IS_HW_ERR;
}
for (i = 0; i < hw->ports; i++) {
skge_write16(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET);
skge_write16(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR);
@ -2994,7 +2991,6 @@ static int skge_reset(struct skge_hw *hw)
skge_write32(hw, B2_IRQM_INI, skge_usecs2clk(hw, 100));
skge_write32(hw, B2_IRQM_CTRL, TIM_START);
hw->intr_mask = IS_HW_ERR | IS_EXT_REG;
skge_write32(hw, B0_IMSK, hw->intr_mask);
if (hw->chip_id != CHIP_ID_GENESIS)

8
drivers/net/skge.h
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@ -214,8 +214,6 @@ enum {
/* B2_IRQM_HWE_MSK 32 bit IRQ Moderation HW Error Mask */
enum {
IS_ERR_MSK = 0x00003fff,/* All Error bits */
IS_IRQ_TIST_OV = 1<<13, /* Time Stamp Timer Overflow (YUKON only) */
IS_IRQ_SENSOR = 1<<12, /* IRQ from Sensor (YUKON only) */
IS_IRQ_MST_ERR = 1<<11, /* IRQ master error detected */
@ -230,6 +228,12 @@ enum {
IS_M2_PAR_ERR = 1<<2, /* MAC 2 Parity Error */
IS_R1_PAR_ERR = 1<<1, /* Queue R1 Parity Error */
IS_R2_PAR_ERR = 1<<0, /* Queue R2 Parity Error */
IS_ERR_MSK = IS_IRQ_MST_ERR | IS_IRQ_STAT
| IS_NO_STAT_M1 | IS_NO_STAT_M2
| IS_RAM_RD_PAR | IS_RAM_WR_PAR
| IS_M1_PAR_ERR | IS_M2_PAR_ERR
| IS_R1_PAR_ERR | IS_R2_PAR_ERR,
};
/* B2_TST_CTRL1 8 bit Test Control Register 1 */

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