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提交 90bb81f3 编写于 作者: D David S. Miller
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Merge tag 'linux-can-fixes-for-4.4-20151123' of... 

Merge tag 'linux-can-fixes-for-4.4-20151123' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2015-11-23

this is a pull request of three patches for the upcoming v4.4 release.

The first patch is by Mirza Krak, it fixes a problem with the sja1000 driver
after resuming from suspend to disk, by clearing all outstanding interrupts.
Oliver Hartkopp contributes two patches targeting almost all driver, they fix
the assignment of the error location in CAN error messages.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 7098356b a2ec19f8
隐藏空白更改
内联 并排
Showing with 24 addition and 45 deletion
drivers/net/can/bfin_can.c
浏览文件 @ 90bb81f3
......@@ -501,8 +501,6 @@ static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status)
cf->data[2] |= CAN_ERR_PROT_FORM;
else if (status & SER)
cf->data[2] |= CAN_ERR_PROT_STUFF;
else
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
}
priv->can.state = state;
......
drivers/net/can/c_can/c_can.c
浏览文件 @ 90bb81f3
......@@ -962,7 +962,6 @@ static int c_can_handle_bus_err(struct net_device *dev,
* type of the last error to occur on the CAN bus
*/
cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
switch (lec_type) {
case LEC_STUFF_ERROR:
......@@ -975,8 +974,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
break;
case LEC_ACK_ERROR:
netdev_dbg(dev, "ack error\n");
cf->data[3] |= (CAN_ERR_PROT_LOC_ACK |
CAN_ERR_PROT_LOC_ACK_DEL);
cf->data[3] = CAN_ERR_PROT_LOC_ACK;
break;
case LEC_BIT1_ERROR:
netdev_dbg(dev, "bit1 error\n");
......@@ -988,8 +986,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
break;
case LEC_CRC_ERROR:
netdev_dbg(dev, "CRC error\n");
cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL);
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
break;
default:
break;
......
drivers/net/can/cc770/cc770.c
浏览文件 @ 90bb81f3
......@@ -578,7 +578,7 @@ static int cc770_err(struct net_device *dev, u8 status)
cf->data[2] |= CAN_ERR_PROT_BIT0;
break;
case STAT_LEC_CRC:
cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ;
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
break;
}
}
......
drivers/net/can/flexcan.c
浏览文件 @ 90bb81f3
......@@ -535,13 +535,13 @@ static void do_bus_err(struct net_device *dev,
if (reg_esr & FLEXCAN_ESR_ACK_ERR) {
netdev_dbg(dev, "ACK_ERR irq\n");
cf->can_id |= CAN_ERR_ACK;
cf->data[3] |= CAN_ERR_PROT_LOC_ACK;
cf->data[3] = CAN_ERR_PROT_LOC_ACK;
tx_errors = 1;
}
if (reg_esr & FLEXCAN_ESR_CRC_ERR) {
netdev_dbg(dev, "CRC_ERR irq\n");
cf->data[2] |= CAN_ERR_PROT_BIT;
cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ;
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
rx_errors = 1;
}
if (reg_esr & FLEXCAN_ESR_FRM_ERR) {
......
drivers/net/can/janz-ican3.c
浏览文件 @ 90bb81f3
......@@ -1096,7 +1096,6 @@ static int ican3_handle_cevtind(struct ican3_dev *mod, struct ican3_msg *msg)
cf->data[2] |= CAN_ERR_PROT_STUFF;
break;
default:
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
cf->data[3] = ecc & ECC_SEG;
break;
}
......
drivers/net/can/m_can/m_can.c
浏览文件 @ 90bb81f3
......@@ -487,7 +487,6 @@ static int m_can_handle_lec_err(struct net_device *dev,
* type of the last error to occur on the CAN bus
*/
cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
switch (lec_type) {
case LEC_STUFF_ERROR:
......@@ -500,8 +499,7 @@ static int m_can_handle_lec_err(struct net_device *dev,
break;
case LEC_ACK_ERROR:
netdev_dbg(dev, "ack error\n");
cf->data[3] |= (CAN_ERR_PROT_LOC_ACK |
CAN_ERR_PROT_LOC_ACK_DEL);
cf->data[3] = CAN_ERR_PROT_LOC_ACK;
break;
case LEC_BIT1_ERROR:
netdev_dbg(dev, "bit1 error\n");
......@@ -513,8 +511,7 @@ static int m_can_handle_lec_err(struct net_device *dev,
break;
case LEC_CRC_ERROR:
netdev_dbg(dev, "CRC error\n");
cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL);
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
break;
default:
break;
......
drivers/net/can/pch_can.c
浏览文件 @ 90bb81f3
......@@ -559,8 +559,7 @@ static void pch_can_error(struct net_device *ndev, u32 status)
stats->rx_errors++;
break;
case PCH_CRC_ERR:
cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL;
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
priv->can.can_stats.bus_error++;
stats->rx_errors++;
break;
......
drivers/net/can/rcar_can.c
浏览文件 @ 90bb81f3
......@@ -241,17 +241,16 @@ static void rcar_can_error(struct net_device *ndev)
u8 ecsr;
netdev_dbg(priv->ndev, "Bus error interrupt:\n");
if (skb) {
if (skb)
cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT;
cf->data[2] = CAN_ERR_PROT_UNSPEC;
}
ecsr = readb(&priv->regs->ecsr);
if (ecsr & RCAR_CAN_ECSR_ADEF) {
netdev_dbg(priv->ndev, "ACK Delimiter Error\n");
tx_errors++;
writeb(~RCAR_CAN_ECSR_ADEF, &priv->regs->ecsr);
if (skb)
cf->data[3] |= CAN_ERR_PROT_LOC_ACK_DEL;
cf->data[3] = CAN_ERR_PROT_LOC_ACK_DEL;
}
if (ecsr & RCAR_CAN_ECSR_BE0F) {
netdev_dbg(priv->ndev, "Bit Error (dominant)\n");
......@@ -272,7 +271,7 @@ static void rcar_can_error(struct net_device *ndev)
rx_errors++;
writeb(~RCAR_CAN_ECSR_CEF, &priv->regs->ecsr);
if (skb)
cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ;
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
}
if (ecsr & RCAR_CAN_ECSR_AEF) {
netdev_dbg(priv->ndev, "ACK Error\n");
......@@ -280,7 +279,7 @@ static void rcar_can_error(struct net_device *ndev)
writeb(~RCAR_CAN_ECSR_AEF, &priv->regs->ecsr);
if (skb) {
cf->can_id |= CAN_ERR_ACK;
cf->data[3] |= CAN_ERR_PROT_LOC_ACK;
cf->data[3] = CAN_ERR_PROT_LOC_ACK;
}
}
if (ecsr & RCAR_CAN_ECSR_FEF) {
......
drivers/net/can/sja1000/sja1000.c
浏览文件 @ 90bb81f3
......@@ -218,6 +218,9 @@ static void sja1000_start(struct net_device *dev)
priv->write_reg(priv, SJA1000_RXERR, 0x0);
priv->read_reg(priv, SJA1000_ECC);
/* clear interrupt flags */
priv->read_reg(priv, SJA1000_IR);
/* leave reset mode */
set_normal_mode(dev);
}
......@@ -446,7 +449,6 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
cf->data[2] |= CAN_ERR_PROT_STUFF;
break;
default:
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
cf->data[3] = ecc & ECC_SEG;
break;
}
......
drivers/net/can/sun4i_can.c
浏览文件 @ 90bb81f3
......@@ -575,7 +575,6 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status)
cf->data[2] |= CAN_ERR_PROT_STUFF;
break;
default:
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
cf->data[3] = (ecc & SUN4I_STA_ERR_SEG_CODE)
>> 16;
break;
......
drivers/net/can/ti_hecc.c
浏览文件 @ 90bb81f3
......@@ -722,7 +722,6 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
if (err_status & HECC_BUS_ERROR) {
++priv->can.can_stats.bus_error;
cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT;
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
if (err_status & HECC_CANES_FE) {
hecc_set_bit(priv, HECC_CANES, HECC_CANES_FE);
cf->data[2] |= CAN_ERR_PROT_FORM;
......@@ -737,13 +736,11 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
}
if (err_status & HECC_CANES_CRCE) {
hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE);
cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL;
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
}
if (err_status & HECC_CANES_ACKE) {
hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE);
cf->data[3] |= CAN_ERR_PROT_LOC_ACK |
CAN_ERR_PROT_LOC_ACK_DEL;
cf->data[3] = CAN_ERR_PROT_LOC_ACK;
}
}
......
drivers/net/can/usb/ems_usb.c
浏览文件 @ 90bb81f3
......@@ -377,7 +377,6 @@ static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg)
cf->data[2] |= CAN_ERR_PROT_STUFF;
break;
default:
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
cf->data[3] = ecc & SJA1000_ECC_SEG;
break;
}
......
drivers/net/can/usb/esd_usb2.c
浏览文件 @ 90bb81f3
......@@ -282,7 +282,6 @@ static void esd_usb2_rx_event(struct esd_usb2_net_priv *priv,
cf->data[2] |= CAN_ERR_PROT_STUFF;
break;
default:
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
cf->data[3] = ecc & SJA1000_ECC_SEG;
break;
}
......
drivers/net/can/usb/kvaser_usb.c
浏览文件 @ 90bb81f3
......@@ -944,10 +944,9 @@ static void kvaser_usb_rx_error(const struct kvaser_usb *dev,
cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT;
if (es->leaf.error_factor & M16C_EF_ACKE)
cf->data[3] |= (CAN_ERR_PROT_LOC_ACK);
cf->data[3] = CAN_ERR_PROT_LOC_ACK;
if (es->leaf.error_factor & M16C_EF_CRCE)
cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL);
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
if (es->leaf.error_factor & M16C_EF_FORME)
cf->data[2] |= CAN_ERR_PROT_FORM;
if (es->leaf.error_factor & M16C_EF_STFE)
......
drivers/net/can/usb/usb_8dev.c
浏览文件 @ 90bb81f3
......@@ -401,9 +401,7 @@ static void usb_8dev_rx_err_msg(struct usb_8dev_priv *priv,
tx_errors = 1;
break;
case USB_8DEV_STATUSMSG_CRC:
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL;
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
rx_errors = 1;
break;
case USB_8DEV_STATUSMSG_BIT0:
......
drivers/net/can/xilinx_can.c
浏览文件 @ 90bb81f3
......@@ -608,17 +608,15 @@ static void xcan_err_interrupt(struct net_device *ndev, u32 isr)
/* Check for error interrupt */
if (isr & XCAN_IXR_ERROR_MASK) {
if (skb) {
if (skb)
cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
cf->data[2] |= CAN_ERR_PROT_UNSPEC;
}
/* Check for Ack error interrupt */
if (err_status & XCAN_ESR_ACKER_MASK) {
stats->tx_errors++;
if (skb) {
cf->can_id |= CAN_ERR_ACK;
cf->data[3] |= CAN_ERR_PROT_LOC_ACK;
cf->data[3] = CAN_ERR_PROT_LOC_ACK;
}
}
......@@ -654,8 +652,7 @@ static void xcan_err_interrupt(struct net_device *ndev, u32 isr)
stats->rx_errors++;
if (skb) {
cf->can_id |= CAN_ERR_PROT;
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL;
cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
}
}
priv->can.can_stats.bus_error++;
......
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