From aa5b2bab9c3eeb1f8135ba5e30c3ce712e099d81 Mon Sep 17 00:00:00 2001 From: Michael Opdenacker Date: Fri, 24 Jan 2014 14:00:50 -0600 Subject: ipmi: remove deprecated IRQF_DISABLED This patch proposes to remove the use of the IRQF_DISABLED flag It's a NOOP since 2.6.35 and it will be removed one day. Signed-off-by: Michael Opdenacker Signed-off-by: Corey Minyard Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_si_intf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 15e4a6031934..68c5ef5379aa 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -1358,7 +1358,7 @@ static int std_irq_setup(struct smi_info *info) if (info->si_type == SI_BT) { rv = request_irq(info->irq, si_bt_irq_handler, - IRQF_SHARED | IRQF_DISABLED, + IRQF_SHARED, DEVICE_NAME, info); if (!rv) @@ -1368,7 +1368,7 @@ static int std_irq_setup(struct smi_info *info) } else rv = request_irq(info->irq, si_irq_handler, - IRQF_SHARED | IRQF_DISABLED, + IRQF_SHARED, DEVICE_NAME, info); if (rv) { -- cgit v1.2.3 From ccb3368cb4b97e2d8a763b894303e6a127f87bc8 Mon Sep 17 00:00:00 2001 From: Xie XiuQi Date: Fri, 24 Jan 2014 14:00:51 -0600 Subject: ipmi: use USEC_PER_SEC instead of 1000000 for more meaningful Use USEC_PER_SEC instead of 1000000, that making the later bugfix more clearly. Signed-off-by: Xie XiuQi Signed-off-by: Corey Minyard Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_bt_sm.c | 8 ++++---- drivers/char/ipmi/ipmi_kcs_sm.c | 4 ++-- drivers/char/ipmi/ipmi_smic_sm.c | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c index a22a7a502740..f5e4cd7617f6 100644 --- a/drivers/char/ipmi/ipmi_bt_sm.c +++ b/drivers/char/ipmi/ipmi_bt_sm.c @@ -201,7 +201,7 @@ static unsigned int bt_init_data(struct si_sm_data *bt, struct si_sm_io *io) } bt->state = BT_STATE_IDLE; /* start here */ bt->complete = BT_STATE_IDLE; /* end here */ - bt->BT_CAP_req2rsp = BT_NORMAL_TIMEOUT * 1000000; + bt->BT_CAP_req2rsp = BT_NORMAL_TIMEOUT * USEC_PER_SEC; bt->BT_CAP_retries = BT_NORMAL_RETRY_LIMIT; /* BT_CAP_outreqs == zero is a flag to read BT Capabilities */ return 3; /* We claim 3 bytes of space; ought to check SPMI table */ @@ -613,7 +613,7 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time) HOST2BMC(42); /* Sequence number */ HOST2BMC(3); /* Cmd == Soft reset */ BT_CONTROL(BT_H2B_ATN); - bt->timeout = BT_RESET_DELAY * 1000000; + bt->timeout = BT_RESET_DELAY * USEC_PER_SEC; BT_STATE_CHANGE(BT_STATE_RESET3, SI_SM_CALL_WITH_DELAY); @@ -651,14 +651,14 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time) bt_init_data(bt, bt->io); if ((i == 8) && !BT_CAP[2]) { bt->BT_CAP_outreqs = BT_CAP[3]; - bt->BT_CAP_req2rsp = BT_CAP[6] * 1000000; + bt->BT_CAP_req2rsp = BT_CAP[6] * USEC_PER_SEC; bt->BT_CAP_retries = BT_CAP[7]; } else printk(KERN_WARNING "IPMI BT: using default values\n"); if (!bt->BT_CAP_outreqs) bt->BT_CAP_outreqs = 1; printk(KERN_WARNING "IPMI BT: req2rsp=%ld secs retries=%d\n", - bt->BT_CAP_req2rsp / 1000000L, bt->BT_CAP_retries); + bt->BT_CAP_req2rsp / USEC_PER_SEC, bt->BT_CAP_retries); bt->timeout = bt->BT_CAP_req2rsp; return SI_SM_CALL_WITHOUT_DELAY; diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c index e53fc24c6af3..6a4bdc18955a 100644 --- a/drivers/char/ipmi/ipmi_kcs_sm.c +++ b/drivers/char/ipmi/ipmi_kcs_sm.c @@ -118,8 +118,8 @@ enum kcs_states { #define MAX_KCS_WRITE_SIZE IPMI_MAX_MSG_LENGTH /* Timeouts in microseconds. */ -#define IBF_RETRY_TIMEOUT 5000000 -#define OBF_RETRY_TIMEOUT 5000000 +#define IBF_RETRY_TIMEOUT (5*USEC_PER_SEC) +#define OBF_RETRY_TIMEOUT (5*USEC_PER_SEC) #define MAX_ERROR_RETRIES 10 #define ERROR0_OBF_WAIT_JIFFIES (2*HZ) diff --git a/drivers/char/ipmi/ipmi_smic_sm.c b/drivers/char/ipmi/ipmi_smic_sm.c index faed92971907..c8e77afa8b96 100644 --- a/drivers/char/ipmi/ipmi_smic_sm.c +++ b/drivers/char/ipmi/ipmi_smic_sm.c @@ -80,7 +80,7 @@ enum smic_states { #define SMIC_MAX_ERROR_RETRIES 3 /* Timeouts in microseconds. */ -#define SMIC_RETRY_TIMEOUT 2000000 +#define SMIC_RETRY_TIMEOUT (2*USEC_PER_SEC) /* SMIC Flags Register Bits */ #define SMIC_RX_DATA_READY 0x80 -- cgit v1.2.3 From e21404dc0ac7ac971c1e36274b48bb460463f4e5 Mon Sep 17 00:00:00 2001 From: Xie XiuQi Date: Fri, 24 Jan 2014 14:00:52 -0600 Subject: ipmi: fix timeout calculation when bmc is disconnected Loading ipmi_si module while bmc is disconnected, we found the timeout is longer than 5 secs. Actually it takes about 3 mins and 20 secs.(HZ=250) error message as below: Dec 12 19:08:59 linux kernel: IPMI BT: timeout in RD_WAIT [ ] 1 retries left Dec 12 19:08:59 linux kernel: BT: write 4 bytes seq=0x01 03 18 00 01 [...] Dec 12 19:12:19 linux kernel: IPMI BT: timeout in RD_WAIT [ ] Dec 12 19:12:19 linux kernel: failed 2 retries, sending error response Dec 12 19:12:19 linux kernel: IPMI: BT reset (takes 5 secs) Dec 12 19:12:19 linux kernel: IPMI BT: flag reset [ ] Function wait_for_msg_done() use schedule_timeout_uninterruptible(1) to sleep 1 tick, so we should subtract jiffies_to_usecs(1) instead of 100 usecs from timeout. Reported-by: Hu Shiyuan Signed-off-by: Xie XiuQi Signed-off-by: Corey Minyard Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_si_intf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/char') diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 68c5ef5379aa..a5e048fb8b38 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2773,7 +2773,7 @@ static int wait_for_msg_done(struct smi_info *smi_info) smi_result == SI_SM_CALL_WITH_TICK_DELAY) { schedule_timeout_uninterruptible(1); smi_result = smi_info->handlers->event( - smi_info->si_sm, 100); + smi_info->si_sm, jiffies_to_usecs(1)); } else if (smi_result == SI_SM_CALL_WITHOUT_DELAY) { smi_result = smi_info->handlers->event( smi_info->si_sm, 0); -- cgit v1.2.3 From d02b3709ff8efebfca0612d0ac2a6e31a91c13f4 Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Fri, 24 Jan 2014 14:00:53 -0600 Subject: ipmi: Cleanup error return Return proper errors for a lot of IPMI failure cases. Also call pci_disable_device when IPMI PCI devices are removed. Signed-off-by: Corey Minyard Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_si_intf.c | 44 ++++++++++++++++++++++++++-------------- 1 file changed, 29 insertions(+), 15 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index a5e048fb8b38..671c3852d359 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -1849,11 +1849,15 @@ static int hotmod_handler(const char *val, struct kernel_param *kp) info->irq_setup = std_irq_setup; info->slave_addr = ipmb; - if (!add_smi(info)) { - if (try_smi_init(info)) - cleanup_one_si(info); - } else { + rv = add_smi(info); + if (rv) { kfree(info); + goto out; + } + rv = try_smi_init(info); + if (rv) { + cleanup_one_si(info); + goto out; } } else { /* remove */ @@ -2067,6 +2071,7 @@ struct SPMITable { static int try_init_spmi(struct SPMITable *spmi) { struct smi_info *info; + int rv; if (spmi->IPMIlegacy != 1) { printk(KERN_INFO PFX "Bad SPMI legacy %d\n", spmi->IPMIlegacy); @@ -2141,10 +2146,11 @@ static int try_init_spmi(struct SPMITable *spmi) info->io.addr_data, info->io.regsize, info->io.regspacing, info->irq); - if (add_smi(info)) + rv = add_smi(info); + if (rv) kfree(info); - return 0; + return rv; } static void spmi_find_bmc(void) @@ -2178,6 +2184,7 @@ static int ipmi_pnp_probe(struct pnp_dev *dev, acpi_handle handle; acpi_status status; unsigned long long tmp; + int rv; acpi_dev = pnp_acpi_device(dev); if (!acpi_dev) @@ -2259,10 +2266,11 @@ static int ipmi_pnp_probe(struct pnp_dev *dev, res, info->io.regsize, info->io.regspacing, info->irq); - if (add_smi(info)) - goto err_free; + rv = add_smi(info); + if (rv) + kfree(info); - return 0; + return rv; err_free: kfree(info); @@ -2566,16 +2574,20 @@ static int ipmi_pci_probe(struct pci_dev *pdev, &pdev->resource[0], info->io.regsize, info->io.regspacing, info->irq); - if (add_smi(info)) + rv = add_smi(info); + if (rv) { kfree(info); + pci_disable_device(pdev); + } - return 0; + return rv; } static void ipmi_pci_remove(struct pci_dev *pdev) { struct smi_info *info = pci_get_drvdata(pdev); cleanup_one_si(info); + pci_disable_device(pdev); } static struct pci_device_id ipmi_pci_devices[] = { @@ -2670,9 +2682,10 @@ static int ipmi_probe(struct platform_device *dev) dev_set_drvdata(&dev->dev, info); - if (add_smi(info)) { + ret = add_smi(info); + if (ret) { kfree(info); - return -EBUSY; + return ret; } #endif return 0; @@ -2736,9 +2749,10 @@ static int ipmi_parisc_probe(struct parisc_device *dev) dev_set_drvdata(&dev->dev, info); - if (add_smi(info)) { + rv = add_smi(info); + if (rv) { kfree(info); - return -EBUSY; + return rv; } return 0; -- cgit v1.2.3