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ipmi_si: Remove hardcode IPMI devices by scanning the platform bus 

Instead of keeping track of each one, just scan the platform bus
for hardcode devices and remove them.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
hifive-unleashed-5.1
Corey Minyard 2019-02-21 17:04:17 -06:00
parent 3bb8ea400c
commit 1a84df2df8
1 changed files with 15 additions and 7 deletions
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22
drivers/char/ipmi/ipmi_si_hardcode.c
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@ -74,8 +74,6 @@ MODULE_PARM_DESC(slave_addrs, "Set the default IPMB slave address for"
" overridden by this parm. This is an array indexed"
" by interface number.");
static struct platform_device *ipmi_hc_pdevs[SI_MAX_PARMS];
static void __init ipmi_hardcode_init_one(const char *si_type_str,
unsigned int i,
unsigned long addr,
@ -111,7 +109,7 @@ static void __init ipmi_hardcode_init_one(const char *si_type_str,
p.addr = addr;
p.space = addr_space;
ipmi_hc_pdevs[i] = ipmi_platform_add("hardcode-ipmi-si", i, &p);
ipmi_platform_add("hardcode-ipmi-si", i, &p);
}
void __init ipmi_hardcode_init(void)
@ -145,13 +143,23 @@ void __init ipmi_hardcode_init(void)
}
}
static int pdev_match_name(struct device *dev, void *data)
{
struct platform_device *pdev = to_platform_device(dev);
return strcmp(pdev->name, "hardcode-ipmi-si") == 0;
}
void ipmi_si_hardcode_exit(void)
{
unsigned int i;
struct device *dev;
for (i = 0; i < SI_MAX_PARMS; i++) {
if (ipmi_hc_pdevs[i])
platform_device_unregister(ipmi_hc_pdevs[i]);
while ((dev = bus_find_device(&platform_bus_type, NULL, NULL,
pdev_match_name))) {
struct platform_device *pdev = to_platform_device(dev);
platform_device_unregister(pdev);
}
}