iommu/exynos: Enhanced error messages
Some redundant error message is removed and some error messages are changed to error level from debug level. Signed-off-by: Cho KyongHo <pullip.cho@samsung.com> Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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@ -525,7 +525,7 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
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irq = platform_get_irq(pdev, 0);
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if (irq <= 0) {
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dev_dbg(dev, "Unable to find IRQ resource\n");
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dev_err(dev, "Unable to find IRQ resource\n");
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return irq;
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}
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@ -787,10 +787,8 @@ static int lv2set_page(sysmmu_pte_t *pent, phys_addr_t paddr, size_t size,
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short *pgcnt)
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{
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if (size == SPAGE_SIZE) {
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if (!lv2ent_fault(pent)) {
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WARN(1, "Trying mapping on 4KiB where mapping exists");
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if (WARN_ON(!lv2ent_fault(pent)))
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return -EADDRINUSE;
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}
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*pent = mk_lv2ent_spage(paddr);
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pgtable_flush(pent, pent + 1);
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@ -798,9 +796,7 @@ static int lv2set_page(sysmmu_pte_t *pent, phys_addr_t paddr, size_t size,
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} else { /* size == LPAGE_SIZE */
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int i;
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for (i = 0; i < SPAGES_PER_LPAGE; i++, pent++) {
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if (!lv2ent_fault(pent)) {
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WARN(1,
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"Trying mapping on 64KiB where mapping exists");
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if (WARN_ON(!lv2ent_fault(pent))) {
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if (i > 0)
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memset(pent - i, 0, sizeof(*pent) * i);
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return -EADDRINUSE;
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@ -847,8 +843,8 @@ static int exynos_iommu_map(struct iommu_domain *domain, unsigned long l_iova,
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}
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if (ret)
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pr_debug("%s: Failed to map iova %#x/%#zx bytes\n",
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__func__, iova, size);
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pr_err("%s: Failed(%d) to map %#zx bytes @ %#x\n",
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__func__, ret, size, iova);
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spin_unlock_irqrestore(&priv->pgtablelock, flags);
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@ -872,7 +868,7 @@ static size_t exynos_iommu_unmap(struct iommu_domain *domain,
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ent = section_entry(priv->pgtable, iova);
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if (lv1ent_section(ent)) {
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if (size < SECT_SIZE) {
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if (WARN_ON(size < SECT_SIZE)) {
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err_pgsize = SECT_SIZE;
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goto err;
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}
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@ -907,7 +903,7 @@ static size_t exynos_iommu_unmap(struct iommu_domain *domain,
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}
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/* lv1ent_large(ent) == true here */
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if (size < LPAGE_SIZE) {
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if (WARN_ON(size < LPAGE_SIZE)) {
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err_pgsize = LPAGE_SIZE;
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goto err;
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}
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@ -929,9 +925,8 @@ done:
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err:
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spin_unlock_irqrestore(&priv->pgtablelock, flags);
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WARN(1,
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"%s: Failed due to size(%#zx) @ %#x is smaller than page size %#zx\n",
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__func__, size, iova, err_pgsize);
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pr_err("%s: Failed: size(%#zx) @ %#x is smaller than page size %#zx\n",
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__func__, size, iova, err_pgsize);
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return 0;
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}
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