On Tue, Jul 23, 2024 at 03:27:05PM +0200, Marek Vasut wrote:
> Use newly introduced MSI_FLAG_NO_AFFINITY, which keeps .irq_set_affinity unset
> and allows migrate_one_irq() code in cpuhotplug.c to exit right away, without
> printing "IRQ...: set affinity failed(-22)" warning.
>
> Remove .irq_set_affinity implementation which only return -EINVAL from this
> controller driver.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
- Mani
> ---
> Cc: "Krzysztof Wilczyński" <kw@xxxxxxxxx>
> Cc: "Pali Rohár" <pali@xxxxxxxxxx>
> Cc: "Uwe Kleine-König" <u.kleine-koenig@xxxxxxxxxxxxxx>
> Cc: Aleksandr Mishin <amishin@xxxxxxxxxx>
> Cc: Anna-Maria Behnsen <anna-maria@xxxxxxxxxxxxx>
> Cc: Anup Patel <apatel@xxxxxxxxxxxxxxxx>
> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@xxxxxxxxxxxx>
> Cc: Daire McNamara <daire.mcnamara@xxxxxxxxxxxxx>
> Cc: Damien Le Moal <dlemoal@xxxxxxxxxx>
> Cc: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
> Cc: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> Cc: Jianjun Wang <jianjun.wang@xxxxxxxxxxxx>
> Cc: Jim Quinlan <jim2101024@xxxxxxxxx>
> Cc: Jingoo Han <jingoohan1@xxxxxxxxx>
> Cc: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx>
> Cc: Jon Hunter <jonathanh@xxxxxxxxxx>
> Cc: Jonathan Derrick <jonathan.derrick@xxxxxxxxx>
> Cc: Jonathan Hunter <jonathanh@xxxxxxxxxx>
> Cc: Joyce Ooi <joyce.ooi@xxxxxxxxx>
> Cc: Karthikeyan Mitran <m.karthikeyan@xxxxxxxxxxxxxx>
> Cc: Kishon Vijay Abraham I <kishon@xxxxxxxxxx>
> Cc: Koichiro Den <den@xxxxxxxxxxxxx>
> Cc: Lorenzo Pieralisi <lpieralisi@xxxxxxxxxx>
> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> Cc: Marc Zyngier <maz@xxxxxxxxxx>
> Cc: Michal Simek <michal.simek@xxxxxxx>
> Cc: Nicolas Saenz Julienne <nsaenz@xxxxxxxxxx>
> Cc: Niklas Cassel <cassel@xxxxxxxxxx>
> Cc: Nipun Gupta <nipun.gupta@xxxxxxx>
> Cc: Nirmal Patel <nirmal.patel@xxxxxxxxxxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
> Cc: Shivamurthy Shastri <shivamurthy.shastri@xxxxxxxxxxxxx>
> Cc: Siddharth Vadapalli <s-vadapalli@xxxxxx>
> Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxx>
> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-mediatek@xxxxxxxxxxxxxxxxxxx
> Cc: linux-pci@xxxxxxxxxxxxxxx
> Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
> Cc: linux-rpi-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-tegra@xxxxxxxxxxxxxxx
> ---
> V4: - New patch
> ---
> drivers/pci/controller/dwc/pci-keystone.c | 7 -------
> drivers/pci/controller/dwc/pcie-designware-host.c | 12 +++---------
> 2 files changed, 3 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
> index 52c6420ae2003..ce9d9e0a52609 100644
> --- a/drivers/pci/controller/dwc/pci-keystone.c
> +++ b/drivers/pci/controller/dwc/pci-keystone.c
> @@ -189,12 +189,6 @@ static void ks_pcie_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
> (int)data->hwirq, msg->address_hi, msg->address_lo);
> }
>
> -static int ks_pcie_msi_set_affinity(struct irq_data *irq_data,
> - const struct cpumask *mask, bool force)
> -{
> - return -EINVAL;
> -}
> -
> static void ks_pcie_msi_mask(struct irq_data *data)
> {
> struct dw_pcie_rp *pp = irq_data_get_irq_chip_data(data);
> @@ -247,7 +241,6 @@ static struct irq_chip ks_pcie_msi_irq_chip = {
> .name = "KEYSTONE-PCI-MSI",
> .irq_ack = ks_pcie_msi_irq_ack,
> .irq_compose_msi_msg = ks_pcie_compose_msi_msg,
> - .irq_set_affinity = ks_pcie_msi_set_affinity,
> .irq_mask = ks_pcie_msi_mask,
> .irq_unmask = ks_pcie_msi_unmask,
> };
> diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
> index a0822d5371bc5..3e41865c72904 100644
> --- a/drivers/pci/controller/dwc/pcie-designware-host.c
> +++ b/drivers/pci/controller/dwc/pcie-designware-host.c
> @@ -48,8 +48,9 @@ static struct irq_chip dw_pcie_msi_irq_chip = {
> };
>
> static struct msi_domain_info dw_pcie_msi_domain_info = {
> - .flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
> - MSI_FLAG_PCI_MSIX | MSI_FLAG_MULTI_PCI_MSI),
> + .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
> + MSI_FLAG_NO_AFFINITY | MSI_FLAG_PCI_MSIX |
> + MSI_FLAG_MULTI_PCI_MSI,
> .chip = &dw_pcie_msi_irq_chip,
> };
>
> @@ -116,12 +117,6 @@ static void dw_pci_setup_msi_msg(struct irq_data *d, struct msi_msg *msg)
> (int)d->hwirq, msg->address_hi, msg->address_lo);
> }
>
> -static int dw_pci_msi_set_affinity(struct irq_data *d,
> - const struct cpumask *mask, bool force)
> -{
> - return -EINVAL;
> -}
> -
> static void dw_pci_bottom_mask(struct irq_data *d)
> {
> struct dw_pcie_rp *pp = irq_data_get_irq_chip_data(d);
> @@ -177,7 +172,6 @@ static struct irq_chip dw_pci_msi_bottom_irq_chip = {
> .name = "DWPCI-MSI",
> .irq_ack = dw_pci_bottom_ack,
> .irq_compose_msi_msg = dw_pci_setup_msi_msg,
> - .irq_set_affinity = dw_pci_msi_set_affinity,
> .irq_mask = dw_pci_bottom_mask,
> .irq_unmask = dw_pci_bottom_unmask,
> };
> --
> 2.43.0
>
--
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