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authorTomas Winkler <tomas.winkler@intel.com>2018-11-22 13:11:36 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-11-26 16:59:48 +0100
commitce0925e8c2f85f6bbf5d24b56621336cceaf743d (patch)
tree0e97e539e9fb5ebde9f49ae32ffbd3e8ec7055c2 /drivers/misc/mei/hw-me.c
parent986fb2e0532b1b0fa1e8312fbc38b9e7ed826547 (diff)
downloadlinux-ce0925e8c2f85f6bbf5d24b56621336cceaf743d.tar.bz2
mei: dma ring buffers allocation
Allocate DMA ring buffers from managed coherent memory. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/hw-me.c')
-rw-r--r--drivers/misc/mei/hw-me.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index 0759c3a668de..3fbbadfa2ae1 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -1471,15 +1471,21 @@ struct mei_device *mei_me_dev_init(struct pci_dev *pdev,
{
struct mei_device *dev;
struct mei_me_hw *hw;
+ int i;
dev = devm_kzalloc(&pdev->dev, sizeof(struct mei_device) +
sizeof(struct mei_me_hw), GFP_KERNEL);
if (!dev)
return NULL;
+
hw = to_me_hw(dev);
+ for (i = 0; i < DMA_DSCR_NUM; i++)
+ dev->dr_dscr[i].size = cfg->dma_size[i];
+
mei_device_init(dev, &pdev->dev, &mei_me_hw_ops);
hw->cfg = cfg;
+
return dev;
}