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Merge "msm: msi: set enable_irq_wake for PCIe MSI IRQ"

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qctecmdr 2021-03-09 20:30:11 -08:00 • committed by Gerrit - the friendly Code Review server
commit bb168a0f46
1 changed files with 23 additions and 1 deletions
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24
drivers/pci/controller/pci-msm-msi.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.*/
/* Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.*/
#include <linux/interrupt.h>
#include <linux/iommu.h>
@ -480,6 +480,14 @@ static int msm_msi_snps_irq_setup(struct msm_msi *msi)
goto free_irqs;
}
ret = enable_irq_wake(irq);
if (ret) {
dev_err(msi->dev,
"MSI: Unable to set enable_irq_wake for interrupt: %d: %d\n",
i, irq);
goto free_irq;
}
msi_grp = &msi->grps[i];
msi_grp->int_en_reg = msi->pcie_cfg +
PCIE_MSI_CTRL_INT_N_EN_OFFS(i);
@ -503,11 +511,14 @@ static int msm_msi_snps_irq_setup(struct msm_msi *msi)
return 0;
free_irq:
irq_dispose_mapping(irq);
free_irqs:
for (--i; i >= 0; i--) {
irq = msi->grps[i].irqs[0].hwirq;
irq_set_chained_handler_and_data(irq, NULL, NULL);
disable_irq_wake(irq);
irq_dispose_mapping(irq);
}
@ -531,6 +542,14 @@ static int msm_msi_qgic_irq_setup(struct msm_msi *msi)
goto free_irqs;
}
ret = enable_irq_wake(irq);
if (ret) {
dev_err(msi->dev,
"MSI: Unable to set enable_irq_wake for interrupt: %d: %d\n",
i, irq);
goto free_irq;
}
grp = i / MSI_IRQ_PER_GRP;
index = i % MSI_IRQ_PER_GRP;
msi_grp = &msi->grps[grp];
@ -547,6 +566,8 @@ static int msm_msi_qgic_irq_setup(struct msm_msi *msi)
return 0;
free_irq:
irq_dispose_mapping(irq);
free_irqs:
for (--i; i >= 0; i--) {
grp = i / MSI_IRQ_PER_GRP;
@ -554,6 +575,7 @@ free_irqs:
irq = msi->grps[grp].irqs[index].hwirq;
irq_set_chained_handler_and_data(irq, NULL, NULL);
disable_irq_wake(irq);
irq_dispose_mapping(irq);
}