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Fri, 17 May 2019 11:47:08 -0700 (PDT) Received: from localhost.localdomain ([2a01:e0a:1f1:d0f0::4e2b:d7ca]) by smtp.gmail.com with ESMTPSA id v20sm5801112wmj.10.2019.05.17.11.47.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 17 May 2019 11:47:07 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= To: David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Tomeu Vizoso , Will Deacon , Robin Murphy , Joerg Roedel , Neil Armstrong , Steven Price Subject: [PATCH v5 2/6] iommu: io-pgtable: fix sanity check for non 48-bit mali iommu Date: Fri, 17 May 2019 20:46:55 +0200 Message-Id: <20190517184659.18828-3-peron.clem@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190517184659.18828-1-peron.clem@gmail.com> References: <20190517184659.18828-1-peron.clem@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190517_114710_354037_FC5E343D X-CRM114-Status: GOOD ( 15.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org QWxsd2lubmVyIEg2IFNvQyBoYXMgYSBNYWxpIFQ3MjBNUDIgd2l0aCBhIDMzLWJpdCBpb21tdSB3 aGljaAp0cmlnIHRoZSBzYW5pdHkgY2hlY2sgZHVyaW5nIHRoZSBhbGxvYyBvZiB0aGUgcGd0YWJs ZS4KCkNoYW5nZSB0aGUgc2FuaXR5IGNoZWNrIHRvIGFsbG93IG5vbiA0OC1iaXQgY29uZmlndXJh dGlvbi4KClN1Z2dlc3RlZC1ieTogUm9iaW4gTXVycGh5IDxyb2Jpbi5tdXJwaHlAYXJtLmNvbT4K U2lnbmVkLW9mZi1ieTogQ2zDqW1lbnQgUMOpcm9uIDxwZXJvbi5jbGVtQGdtYWlsLmNvbT4KLS0t CiBkcml2ZXJzL2lvbW11L2lvLXBndGFibGUtYXJtLmMgfCAyICstCiAxIGZpbGUgY2hhbmdlZCwg MSBpbnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2lvbW11 L2lvLXBndGFibGUtYXJtLmMgYi9kcml2ZXJzL2lvbW11L2lvLXBndGFibGUtYXJtLmMKaW5kZXgg NGUyMWVmYmM0NDU5Li43NGYyY2U4MDJlNmYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvaW9tbXUvaW8t cGd0YWJsZS1hcm0uYworKysgYi9kcml2ZXJzL2lvbW11L2lvLXBndGFibGUtYXJtLmMKQEAgLTEw MTYsNyArMTAxNiw3IEBAIGFybV9tYWxpX2xwYWVfYWxsb2NfcGd0YWJsZShzdHJ1Y3QgaW9fcGd0 YWJsZV9jZmcgKmNmZywgdm9pZCAqY29va2llKQogewogCXN0cnVjdCBpb19wZ3RhYmxlICppb3A7 CiAKLQlpZiAoY2ZnLT5pYXMgIT0gNDggfHwgY2ZnLT5vYXMgPiA0MCkKKwlpZiAoY2ZnLT5pYXMg PiA0OCB8fCBjZmctPm9hcyA+IDQwKQogCQlyZXR1cm4gTlVMTDsKIAogCWNmZy0+cGdzaXplX2Jp dG1hcCAmPSAoU1pfNEsgfCBTWl8yTSB8IFNaXzFHKTsKLS0gCjIuMTcuMQoKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFp bGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlz dHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= Subject: [PATCH v5 2/6] iommu: io-pgtable: fix sanity check for non 48-bit mali iommu Date: Fri, 17 May 2019 20:46:55 +0200 Message-ID: <20190517184659.18828-3-peron.clem@gmail.com> References: <20190517184659.18828-1-peron.clem@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190517184659.18828-1-peron.clem@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Tomeu Vizoso , Will Deacon , Robin Murphy , Joerg Roedel , Neil Armstrong , Steven Price Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= List-Id: devicetree@vger.kernel.org Allwinner H6 SoC has a Mali T720MP2 with a 33-bit iommu which trig the sanity check during the alloc of the pgtable. Change the sanity check to allow non 48-bit configuration. Suggested-by: Robin Murphy Signed-off-by: Clément Péron --- drivers/iommu/io-pgtable-arm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index 4e21efbc4459..74f2ce802e6f 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -1016,7 +1016,7 @@ arm_mali_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg, void *cookie) { struct io_pgtable *iop; - if (cfg->ias != 48 || cfg->oas > 40) + if (cfg->ias > 48 || cfg->oas > 40) return NULL; cfg->pgsize_bitmap &= (SZ_4K | SZ_2M | SZ_1G); -- 2.17.1