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Bottomley" , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Ben Skeggs , Pawel Osciak , Marek Szyprowski , Matt Porter , iommu@lists.linux-foundation.org Subject: [PATCH 09/28] MIPS/jazzdma: remove the unused vdma_remap function Date: Wed, 19 Aug 2020 08:55:36 +0200 Message-Id: <20200819065555.1802761-10-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200819065555.1802761-1-hch@lst.de> References: <20200819065555.1802761-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Cc: Tom Lendacky , alsa-devel@alsa-project.org, linux-samsung-soc@vger.kernel.org, linux-ia64@vger.kernel.org, linux-scsi@vger.kernel.org, linux-parisc@vger.kernel.org, linux-doc@vger.kernel.org, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Signed-off-by: Christoph Hellwig --- arch/mips/include/asm/jazzdma.h | 2 - arch/mips/jazz/jazzdma.c | 70 --------------------------------- 2 files changed, 72 deletions(-) diff --git a/arch/mips/include/asm/jazzdma.h b/arch/mips/include/asm/jazzdma.h index d13f940022d5f9..c831da7fa89803 100644 --- a/arch/mips/include/asm/jazzdma.h +++ b/arch/mips/include/asm/jazzdma.h @@ -10,8 +10,6 @@ */ extern unsigned long vdma_alloc(unsigned long paddr, unsigned long size); extern int vdma_free(unsigned long laddr); -extern int vdma_remap(unsigned long laddr, unsigned long paddr, - unsigned long size); extern unsigned long vdma_phys2log(unsigned long paddr); extern unsigned long vdma_log2phys(unsigned long laddr); extern void vdma_stats(void); /* for debugging only */ diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c index 014773f0bfcd74..fe40dbed04c1d6 100644 --- a/arch/mips/jazz/jazzdma.c +++ b/arch/mips/jazz/jazzdma.c @@ -209,76 +209,6 @@ int vdma_free(unsigned long laddr) EXPORT_SYMBOL(vdma_free); -/* - * Map certain page(s) to another physical address. - * Caller must have allocated the page(s) before. - */ -int vdma_remap(unsigned long laddr, unsigned long paddr, unsigned long size) -{ - int first, pages; - - if (laddr > 0xffffff) { - if (vdma_debug) - printk - ("vdma_map: Invalid logical address: %08lx\n", - laddr); - return -EINVAL; /* invalid logical address */ - } - if (paddr > 0x1fffffff) { - if (vdma_debug) - printk - ("vdma_map: Invalid physical address: %08lx\n", - paddr); - return -EINVAL; /* invalid physical address */ - } - - pages = (((paddr & (VDMA_PAGESIZE - 1)) + size) >> 12) + 1; - first = laddr >> 12; - if (vdma_debug) - printk("vdma_remap: first=%x, pages=%x\n", first, pages); - if (first + pages > VDMA_PGTBL_ENTRIES) { - if (vdma_debug) - printk("vdma_alloc: Invalid size: %08lx\n", size); - return -EINVAL; - } - - paddr &= ~(VDMA_PAGESIZE - 1); - while (pages > 0 && first < VDMA_PGTBL_ENTRIES) { - if (pgtbl[first].owner != laddr) { - if (vdma_debug) - printk("Trying to remap other's pages.\n"); - return -EPERM; /* not owner */ - } - pgtbl[first].frame = paddr; - paddr += VDMA_PAGESIZE; - first++; - pages--; - } - - /* - * Update translation table - */ - r4030_write_reg32(JAZZ_R4030_TRSTBL_INV, 0); - - if (vdma_debug > 2) { - int i; - pages = (((paddr & (VDMA_PAGESIZE - 1)) + size) >> 12) + 1; - first = laddr >> 12; - printk("LADDR: "); - for (i = first; i < first + pages; i++) - printk("%08x ", i << 12); - printk("\nPADDR: "); - for (i = first; i < first + pages; i++) - printk("%08x ", pgtbl[i].frame); - printk("\nOWNER: "); - for (i = first; i < first + pages; i++) - printk("%08x ", pgtbl[i].owner); - printk("\n"); - } - - return 0; -} - /* * Translate a physical address to a logical address. * This will return the logical address of the first -- 2.28.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu