[Skiboot] [PATCH v2] Drop NULL check for phb/pd in pci_configure_mps()

[Kamalesh Babulal]

Drop the check for NULL as chances of phb/pd being NULL,
when passed to pci_configure_mps() is zero.

Also fix couple of typo in the file.

Suggested-by: Gavin Shan <gwshan at linux.vnet.ibm.com>
Signed-off-by: Kamalesh Babulal <kamalesh at linux.vnet.ibm.com>
Cc: Samuel Mendoza-Jonas <sam.mj at au1.ibm.com>
---
 core/pci.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/core/pci.c b/core/pci.c
index 8f8aeeb..be74824 100644
--- a/core/pci.c
+++ b/core/pci.c
@@ -615,10 +615,7 @@ static int pci_configure_mps(struct phb *phb,
 	if (mps < 128 || mps > 4096)
 		return 1;
 
-	if (!phb || !pd)
-		return 0;
-
-	/* PCIe deivce always has MPS capacity */
+	/* PCIe device always has MPS capacity */
 	if (pd->mps) {
 		ecap = pci_cap(pd, PCI_CFG_CAP_ID_EXP, false);
 		mps = ilog2(mps) - 7;
@@ -763,7 +760,7 @@ static void pci_scan_phb(void *data)
 	       has_link ? "+downsteam" : " only");
 	pci_scan(phb, 0, 0xff, &phb->devices, NULL, has_link);
 
-	/* Configre MPS (Max Payload Size) for PCIe domain */
+	/* Configure MPS (Max Payload Size) for PCIe domain */
 	pci_walk_dev(phb, pci_get_mps, &mps);
 	phb->mps = mps;
 	pci_walk_dev(phb, pci_configure_mps, NULL);
-- 
2.1.2