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Commit 28f069bc authored by Tony Truong's avatar Tony Truong Committed by Gerrit - the friendly Code Review server
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msm: msi: add hooks for MSI enable/disable 



There are cases where MSI IRQ mask/unmask does not
correctly disable the source IRQ. Add enable and
disable hooks to handle these cases.

Change-Id: Ifdad14fc7af3b11ad1cdd54edcf991349ee83733
Signed-off-by: default avatarTony Truong <truong@codeaurora.org>
parent dc23ed42

drivers/pci/host/pci-msm-msi.c

+2 −3
Original line number Diff line number Diff line
@@ -155,6 +155,8 @@ static void msm_msi_unmask_irq(struct irq_data *data) 


static struct irq_chip msm_msi_irq_chip = {

	.name = "msm_pci_msi",

	.irq_enable = msm_msi_unmask_irq,

	.irq_disable = msm_msi_mask_irq,

	.irq_mask = msm_msi_mask_irq,

	.irq_unmask = msm_msi_unmask_irq,

};
@@ -328,9 +330,6 @@ static int msm_msi_irq_domain_alloc(struct irq_domain *domain, 
				&msm_msi_bottom_irq_chip, msi_irq,

				handle_simple_irq, NULL, NULL);



		if (msi->type == MSM_MSI_TYPE_QCOM)

			irq_set_status_flags(msi_irq->virq, IRQ_DISABLE_UNLAZY);



		client->nr_irqs++;

		pos++;

	}