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Move platform device creation earlier in the initialization

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Some logs are printed out early using smi->dev, but on a platform device
that is not created until later.  So move the creation of that device
structure earlier in the sequence so it can be used for printing.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
This commit is contained in:
Corey Minyard 2016-11-07 07:37:06 -07:00
parent c11daf6a8f
commit 1abf71eef3
1 changed files with 31 additions and 15 deletions
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46
drivers/char/ipmi/ipmi_si_intf.c
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@ -3502,6 +3502,7 @@ static int try_smi_init(struct smi_info *new_smi)
{
int rv = 0;
int i;
char *init_name = NULL;
printk(KERN_INFO PFX "Trying %s-specified %s state"
" machine at %s address 0x%lx, slave address 0x%x,"
@ -3531,6 +3532,26 @@ static int try_smi_init(struct smi_info *new_smi)
goto out_err;
}
/* Do this early so it's available for logs. */
if (!new_smi->dev) {
init_name = kasprintf(GFP_KERNEL, "ipmi_si.%d", 0);
/*
* If we don't already have a device from something
* else (like PCI), then register a new one.
*/
new_smi->pdev = platform_device_alloc("ipmi_si",
new_smi->intf_num);
if (!new_smi->pdev) {
pr_err(PFX "Unable to allocate platform device\n");
goto out_err;
}
new_smi->dev = &new_smi->pdev->dev;
new_smi->dev->driver = &ipmi_driver.driver;
/* Nulled by device_add() */
new_smi->dev->init_name = init_name;
}
/* Allocate the state machine's data and initialize it. */
new_smi->si_sm = kmalloc(new_smi->handlers->size(), GFP_KERNEL);
if (!new_smi->si_sm) {
@ -3604,21 +3625,7 @@ static int try_smi_init(struct smi_info *new_smi)
atomic_set(&new_smi->req_events, 1);
}
if (!new_smi->dev) {
/*
* If we don't already have a device from something
* else (like PCI), then register a new one.
*/
new_smi->pdev = platform_device_alloc("ipmi_si",
new_smi->intf_num);
if (!new_smi->pdev) {
printk(KERN_ERR PFX
"Unable to allocate platform device\n");
goto out_err;
}
new_smi->dev = &new_smi->pdev->dev;
new_smi->dev->driver = &ipmi_driver.driver;
if (new_smi->pdev) {
rv = platform_device_add(new_smi->pdev);
if (rv) {
printk(KERN_ERR PFX
@ -3668,6 +3675,9 @@ static int try_smi_init(struct smi_info *new_smi)
dev_info(new_smi->dev, "IPMI %s interface initialized\n",
si_to_str[new_smi->si_type]);
WARN_ON(new_smi->dev->init_name != NULL);
kfree(init_name);
return 0;
out_err_stop_timer:
@ -3712,8 +3722,14 @@ out_err:
if (new_smi->dev_registered) {
platform_device_unregister(new_smi->pdev);
new_smi->dev_registered = false;
new_smi->pdev = NULL;
} else if (new_smi->pdev) {
platform_device_put(new_smi->pdev);
new_smi->pdev = NULL;
}
kfree(init_name);
return rv;
}