powerpc/eeh: Fix docstrings in eeh.c

We fix the following warnings when building kernel with W=1:
arch/powerpc/kernel/eeh.c:598: warning: Function parameter or member 'function' not described in 'eeh_pci_enable'
arch/powerpc/kernel/eeh.c:774: warning: Function parameter or member 'edev' not described in 'eeh_set_dev_freset'
arch/powerpc/kernel/eeh.c:774: warning: expecting prototype for eeh_set_pe_freset(). Prototype was for eeh_set_dev_freset() instead
arch/powerpc/kernel/eeh.c:814: warning: Function parameter or member 'include_passed' not described in 'eeh_pe_reset_full'
arch/powerpc/kernel/eeh.c:944: warning: Function parameter or member 'ops' not described in 'eeh_init'
arch/powerpc/kernel/eeh.c:1451: warning: Function parameter or member 'include_passed' not described in 'eeh_pe_reset'
arch/powerpc/kernel/eeh.c:1526: warning: Function parameter or member 'func' not described in 'eeh_pe_inject_err'
arch/powerpc/kernel/eeh.c:1526: warning: Excess function parameter 'function' described in 'eeh_pe_inject_err'
Signed-off-by: Kai Song <songkai01@inspur.com>
Reviewed-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211009041630.4135-1-songkai01@inspur.com

arch/powerpc/kernel/eeh.c

@@ -589,6 +589,7 @@ EXPORT_SYMBOL(eeh_check_failure);
 /**
  * eeh_pci_enable - Enable MMIO or DMA transfers for this slot
  * @pe: EEH PE
+ * @function: EEH option
  *
  * This routine should be called to reenable frozen MMIO or DMA
  * so that it would work correctly again. It's useful while doing
@@ -761,8 +762,8 @@ int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state stat
 }
 
 /**
- * eeh_set_pe_freset - Check the required reset for the indicated device
- * @data: EEH device
+ * eeh_set_dev_freset - Check the required reset for the indicated device
+ * @edev: EEH device
  * @flag: return value
  *
  * Each device might have its preferred reset type: fundamental or
@@ -801,6 +802,7 @@ static void eeh_pe_refreeze_passed(struct eeh_pe *root)
 /**
  * eeh_pe_reset_full - Complete a full reset process on the indicated PE
  * @pe: EEH PE
+ * @include_passed: include passed-through devices?
  *
  * This function executes a full reset procedure on a PE, including setting
  * the appropriate flags, performing a fundamental or hot reset, and then
@@ -937,6 +939,7 @@ static struct notifier_block eeh_device_nb = {
 
 /**
  * eeh_init - System wide EEH initialization
+ * @ops: struct to trace EEH operation callback functions
  *
  * It's the platform's job to call this from an arch_initcall().
  */
@@ -1442,6 +1445,7 @@ static int eeh_pe_reenable_devices(struct eeh_pe *pe, bool include_passed)
  * eeh_pe_reset - Issue PE reset according to specified type
  * @pe: EEH PE
  * @option: reset type
+ * @include_passed: include passed-through devices?
  *
  * The routine is called to reset the specified PE with the
  * indicated type, either fundamental reset or hot reset.
@@ -1513,12 +1517,12 @@ EXPORT_SYMBOL_GPL(eeh_pe_configure);
  * eeh_pe_inject_err - Injecting the specified PCI error to the indicated PE
  * @pe: the indicated PE
  * @type: error type
- * @function: error function
+ * @func: error function
  * @addr: address
  * @mask: address mask
  *
  * The routine is called to inject the specified PCI error, which
- * is determined by @type and @function, to the indicated PE for
+ * is determined by @type and @func, to the indicated PE for
  * testing purpose.
  */
 int eeh_pe_inject_err(struct eeh_pe *pe, int type, int func,