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Patch "dmaengine: ioatdma: Add Skylake PCI Dev ID" has been added to the 4.4-stable tree

PATCH [email protected] 1 participant 1 message Aug 4, 2017

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This is a note to let you know that I've just added the patch titled

dmaengine: ioatdma: Add Skylake PCI Dev ID

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
dmaengine-ioatdma-add-skylake-pci-dev-id.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From foo@baz Fri Aug 4 15:15:51 PDT 2017

From: Dave Jiang <[email protected]>
Date: Tue, 13 Dec 2016 11:15:21 -0700
Subject: dmaengine: ioatdma: Add Skylake PCI Dev ID

From: Dave Jiang <[email protected]>

[ Upstream commit 1594c18fd297a8edcc72bc4b161f3f52603ebb92 ]

Adding Skylake Xeon PCI device ids for ioatdma and related bits.

Signed-off-by Dave Jiang <[email protected]>
Signed-off-by Vinod Koul <[email protected]>
Signed-off-by Sasha Levin <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 drivers/dma/ioat/hw.h   |    2 ++
 drivers/dma/ioat/init.c |    9 ++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)
drivers/dma/ioat/hw.h +2 -0
@@ -64,6 +64,8 @@
 #define PCI_DEVICE_ID_INTEL_IOAT_BDX8	0x6f2e
 #define PCI_DEVICE_ID_INTEL_IOAT_BDX9	0x6f2f
 
+#define PCI_DEVICE_ID_INTEL_IOAT_SKX	0x2021
+
 #define IOAT_VER_1_2            0x12    /* Version 1.2 */
 #define IOAT_VER_2_0            0x20    /* Version 2.0 */
 #define IOAT_VER_3_0            0x30    /* Version 3.0 */
drivers/dma/ioat/init.c +8 -1
@@ -105,6 +105,8 @@ static struct pci_device_id ioat_pci_tbl
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDX8) },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDX9) },
 
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SKX) },
+
 	/* I/OAT v3.3 platforms */
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BWD0) },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BWD1) },

@@ -250,10 +252,15 @@ static bool is_bdx_ioat(struct pci_dev *
 	}
 }
 
+static inline bool is_skx_ioat(struct pci_dev *pdev)
+{
+	return (pdev->device == PCI_DEVICE_ID_INTEL_IOAT_SKX) ? true : false;
+}
+
 static bool is_xeon_cb32(struct pci_dev *pdev)
 {
 	return is_jf_ioat(pdev) || is_snb_ioat(pdev) || is_ivb_ioat(pdev) ||
-		is_hsw_ioat(pdev) || is_bdx_ioat(pdev);
+		is_hsw_ioat(pdev) || is_bdx_ioat(pdev) || is_skx_ioat(pdev);
 }
 
 bool is_bwd_ioat(struct pci_dev *pdev)

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/dmaengine-ioatdma-add-skylake-pci-dev-id.patch queue-4.4/dmaengine-ioatdma-workaround-skx-ioatdma-version.patch