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Groups > linux.kernel > #1687829
| From | "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH for v4.9 LTS 24/87] dmaengine: ioatdma: workaround SKX ioatdma version |
| Date | 2017-07-15 03:50 +0200 |
| Message-ID | <u3kny-3kv-63@gated-at.bofh.it> (permalink) |
| References | <u3k49-3a5-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Dave Jiang <dave.jiang@intel.com>
[ Upstream commit 34a31f0af84158955a9747fb5c6712da5bbb5331 ]
The Skylake ioatdma is technically CBDMA 3.2+ and contains the same hardware
bits with some additional 3.3 features, but it's not really 3.3 where the
driver is concerned.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
---
drivers/dma/ioat/init.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index b45b0363f7f6..0dea6d55f0ff 100644
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -1357,6 +1357,8 @@ static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
device->version = readb(device->reg_base + IOAT_VER_OFFSET);
if (device->version >= IOAT_VER_3_0) {
+ if (is_skx_ioat(pdev))
+ device->version = IOAT_VER_3_2;
err = ioat3_dma_probe(device, ioat_dca_enabled);
if (device->version >= IOAT_VER_3_3)
--
2.11.0
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[PATCH for v4.9 LTS 01/87] x86/mce/AMD: Make the init code more robust "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 07/87] ARM: dts: n900: Mark eMMC slot with no-sdio and no-sd flags "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 10/87] net/mlx4_core: Use-after-free causes a resource leak in flow-steering detach "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 22/87] openrisc: Add _text symbol to fix ksym build error "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 42/87] video: fbdev: cobalt_lcdfb: Handle return NULL error from devm_ioremap "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 20/87] ASoC: nau8825: fix invalid configuration in Pre-Scalar of FLL "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 51/87] ALSA: usb-audio: test EP_FLAG_RUNNING at urb completion "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 39/87] tools lib traceevent: Fix prev/next_prio for deadline tasks "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 33/87] usb: gadget: Fix copy/pasted error message "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 29/87] ARM64: zynqmp: Fix i2c node's compatible string "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 24/87] dmaengine: ioatdma: workaround SKX ioatdma version "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 13/87] drm/msm: Ensure that the hardware write pointer is valid "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 26/87] dmaengine: ti-dma-crossbar: Add some 'of_node_put()' in error path. "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200 [PATCH for v4.9 LTS 04/87] dt-bindings: power/supply: Update TPS65217 properties "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-07-15 03:50 +0200
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