redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

HID: intel-ish-hid: add MSI interrupt support 

Now ish hid ipc only support sideband interrupt but on some platforms
they use MSI interrupt.
In order to make the interrupt type coverage all the scenario add
single MSI interrupt support, it can match all interrupt types.

Signed-off-by: Song Hongyan <hongyan.song@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.1
Song Hongyan 2018-12-11 09:58:23 +08:00 committed by Jiri Kosina
parent f5d582777b
commit 74fbc7d371
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/hid/intel-ish-hid/ipc/pci-ish.c
View File

@ -117,6 +117,7 @@ static int ish_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int ret;
struct ish_hw *hw;
unsigned long irq_flag = 0;
struct ishtp_device *ishtp;
struct device *dev = &pdev->dev;
@ -156,8 +157,12 @@ static int ish_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3;
/* request and enable interrupt */
ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
if (!pdev->msi_enabled && !pdev->msix_enabled)
irq_flag = IRQF_SHARED;
ret = devm_request_irq(dev, pdev->irq, ish_irq_handler,
IRQF_SHARED, KBUILD_MODNAME, ishtp);
irq_flag, KBUILD_MODNAME, ishtp);
if (ret) {
dev_err(dev, "ISH: request IRQ %d failed\n", pdev->irq);
return ret;