Messages in this thread Patch in this message | | | From | Scott Branden <> | Subject | [PATCH v4 13/16] misc: bcm-vk: add tty irq handler | Date | Mon, 28 Sep 2020 17:12:06 -0700 |
| |
Add irq handler for tty interfaces to VK. If irq not enable poll method will still be used.
Signed-off-by: Scott Branden <scott.branden@broadcom.com> --- drivers/misc/bcm-vk/bcm_vk.h | 2 ++ drivers/misc/bcm-vk/bcm_vk_dev.c | 13 +++++++++++++ 2 files changed, 15 insertions(+)
diff --git a/drivers/misc/bcm-vk/bcm_vk.h b/drivers/misc/bcm-vk/bcm_vk.h index 084be53a9518..64894c77759e 100644 --- a/drivers/misc/bcm-vk/bcm_vk.h +++ b/drivers/misc/bcm-vk/bcm_vk.h @@ -8,6 +8,7 @@ #include <linux/atomic.h> #include <linux/firmware.h> +#include <linux/irq.h> #include <linux/kref.h> #include <linux/miscdevice.h> #include <linux/mutex.h> @@ -484,6 +485,7 @@ int bcm_vk_release(struct inode *inode, struct file *p_file); void bcm_vk_release_data(struct kref *kref); irqreturn_t bcm_vk_msgq_irqhandler(int irq, void *dev_id); irqreturn_t bcm_vk_notf_irqhandler(int irq, void *dev_id); +irqreturn_t bcm_vk_tty_irqhandler(int irq, void *dev_id); int bcm_vk_msg_init(struct bcm_vk *vk); void bcm_vk_msg_remove(struct bcm_vk *vk); void bcm_vk_drain_msg_on_reset(struct bcm_vk *vk); diff --git a/drivers/misc/bcm-vk/bcm_vk_dev.c b/drivers/misc/bcm-vk/bcm_vk_dev.c index 76fe58fc98e2..18e11c8633fd 100644 --- a/drivers/misc/bcm-vk/bcm_vk_dev.c +++ b/drivers/misc/bcm-vk/bcm_vk_dev.c @@ -1338,6 +1338,19 @@ static int bcm_vk_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } vk->num_irqs++; + for (i = 0; + (i < VK_MSIX_TTY_MAX) && (vk->num_irqs < irq); + i++, vk->num_irqs++) { + err = devm_request_irq(dev, pci_irq_vector(pdev, vk->num_irqs), + bcm_vk_tty_irqhandler, + IRQF_SHARED, DRV_MODULE_NAME, vk); + if (err) { + dev_err(dev, "failed request tty IRQ %d for MSIX %d\n", + pdev->irq + vk->num_irqs, vk->num_irqs + 1); + goto err_irq; + } + vk->tty[i].irq_enabled = true; + } id = ida_simple_get(&bcm_vk_ida, 0, 0, GFP_KERNEL); if (id < 0) { -- 2.17.1
| |