From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gavin Shan Subject: [PATCH v6 16/42] powerpc/powernv: Helper function pnv_ioda_init_pe() Date: Thu, 6 Aug 2015 14:11:21 +1000 Message-ID: <1438834307-26960-17-git-send-email-gwshan@linux.vnet.ibm.com> References: <1438834307-26960-1-git-send-email-gwshan@linux.vnet.ibm.com> Return-path: In-Reply-To: <1438834307-26960-1-git-send-email-gwshan@linux.vnet.ibm.com> Sender: linux-pci-owner@vger.kernel.org To: linuxppc-dev@lists.ozlabs.org Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, benh@kernel.crashing.org, mpe@ellerman.id.au, bhelgaas@google.com, grant.likely@linaro.org, robherring2@gmail.com, panto@antoniou-consulting.com, aik@ozlabs.ru, Gavin Shan List-Id: devicetree@vger.kernel.org The patch introduces helper function pnv_ioda_init_pe(), which initialize PE instance after reserving or allocating PE#, to simplify the code. The patch doesn't introduce behavioural changes. Signed-off-by: Gavin Shan --- arch/powerpc/platforms/powernv/pci-ioda.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 9f53682..9cccf2d5 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -132,6 +132,17 @@ static inline bool pnv_pci_is_mem_pref_64(unsigned long flags) (IORESOURCE_MEM_64 | IORESOURCE_PREFETCH)); } +static struct pnv_ioda_pe *pnv_ioda_init_pe(struct pnv_phb *phb, int pe_no) +{ + struct pnv_ioda_pe *pe = &phb->ioda.pe_array[pe_no]; + + pe->phb = phb; + pe->pe_number = pe_no; + INIT_LIST_HEAD(&pe->list); + + return pe; +} + static struct pnv_ioda_pe *pnv_ioda_reserve_pe(struct pnv_phb *phb, int pe_no) { if (!(pe_no >= 0 && pe_no < phb->ioda.total_pe)) { @@ -144,10 +155,7 @@ static struct pnv_ioda_pe *pnv_ioda_reserve_pe(struct pnv_phb *phb, int pe_no) pr_debug("%s: PE %d was reserved on PHB#%x\n", __func__, pe_no, phb->hose->global_number); - phb->ioda.pe_array[pe_no].phb = phb; - phb->ioda.pe_array[pe_no].pe_number = pe_no; - - return &phb->ioda.pe_array[pe_no]; + return pnv_ioda_init_pe(phb, pe_no); } static struct pnv_ioda_pe *pnv_ioda_alloc_pe(struct pnv_phb *phb) @@ -161,9 +169,7 @@ static struct pnv_ioda_pe *pnv_ioda_alloc_pe(struct pnv_phb *phb) return NULL; } while(test_and_set_bit(pe, phb->ioda.pe_alloc)); - phb->ioda.pe_array[pe].phb = phb; - phb->ioda.pe_array[pe].pe_number = pe; - return &phb->ioda.pe_array[pe]; + return pnv_ioda_init_pe(phb, pe); } static void pnv_ioda_free_pe(struct pnv_phb *phb, int pe) -- 2.1.0