diff options
author | Jason Liu <jason.hui.liu@nxp.com> | 2020-06-19 16:57:43 +0800 |
---|---|---|
committer | Jason Liu <jason.hui.liu@nxp.com> | 2020-06-19 17:32:49 +0800 |
commit | 5691e22711a4ee70f473e909d7aae76a966d819d (patch) | |
tree | 4e88bd5c194da0ae0e34583f7cac1d8998b3a462 /arch/powerpc/sysdev | |
parent | 236e62fc5e1cf1ca2367d2c6745058ea4f94760b (diff) | |
parent | fd8cd8ac940c8b45b75474415291a3b941c865ab (diff) |
Merge tag 'v5.4.47' into imx_5.4.y
* tag 'v5.4.47': (2193 commits)
Linux 5.4.47
KVM: arm64: Save the host's PtrAuth keys in non-preemptible context
KVM: arm64: Synchronize sysreg state on injecting an AArch32 exception
...
Conflicts:
arch/arm/boot/dts/imx6qdl.dtsi
arch/arm/mach-imx/Kconfig
arch/arm/mach-imx/common.h
arch/arm/mach-imx/suspend-imx6.S
arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
arch/powerpc/include/asm/cacheflush.h
drivers/cpufreq/imx6q-cpufreq.c
drivers/dma/imx-sdma.c
drivers/edac/synopsys_edac.c
drivers/firmware/imx/imx-scu.c
drivers/net/ethernet/freescale/fec.h
drivers/net/ethernet/freescale/fec_main.c
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
drivers/net/phy/phy_device.c
drivers/perf/fsl_imx8_ddr_perf.c
drivers/usb/cdns3/gadget.c
drivers/usb/dwc3/gadget.c
include/uapi/linux/dma-buf.h
Signed-off-by: Jason Liu <jason.hui.liu@nxp.com>
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 21 | ||||
-rw-r--r-- | arch/powerpc/sysdev/xive/native.c | 4 | ||||
-rw-r--r-- | arch/powerpc/sysdev/xive/spapr.c | 4 | ||||
-rw-r--r-- | arch/powerpc/sysdev/xive/xive-internal.h | 7 |
4 files changed, 23 insertions, 13 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 9651ca061828..16df9cc8f360 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -19,6 +19,7 @@ #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/msi.h> +#include <linux/vmalloc.h> #include <asm/prom.h> #include <asm/io.h> @@ -68,13 +69,6 @@ static u32 xive_ipi_irq; /* Xive state for each CPU */ static DEFINE_PER_CPU(struct xive_cpu *, xive_cpu); -/* - * A "disabled" interrupt should never fire, to catch problems - * we set its logical number to this - */ -#define XIVE_BAD_IRQ 0x7fffffff -#define XIVE_MAX_IRQ (XIVE_BAD_IRQ - 1) - /* An invalid CPU target */ #define XIVE_INVALID_TARGET (-1) @@ -265,11 +259,15 @@ notrace void xmon_xive_do_dump(int cpu) int xmon_xive_get_irq_config(u32 hw_irq, struct irq_data *d) { + struct irq_chip *chip = irq_data_get_irq_chip(d); int rc; u32 target; u8 prio; u32 lirq; + if (!is_xive_irq(chip)) + return -EINVAL; + rc = xive_ops->get_irq_config(hw_irq, &target, &prio, &lirq); if (rc) { xmon_printf("IRQ 0x%08x : no config rc=%d\n", hw_irq, rc); @@ -1016,12 +1014,16 @@ EXPORT_SYMBOL_GPL(is_xive_irq); void xive_cleanup_irq_data(struct xive_irq_data *xd) { if (xd->eoi_mmio) { + unmap_kernel_range((unsigned long)xd->eoi_mmio, + 1u << xd->esb_shift); iounmap(xd->eoi_mmio); if (xd->eoi_mmio == xd->trig_mmio) xd->trig_mmio = NULL; xd->eoi_mmio = NULL; } if (xd->trig_mmio) { + unmap_kernel_range((unsigned long)xd->trig_mmio, + 1u << xd->esb_shift); iounmap(xd->trig_mmio); xd->trig_mmio = NULL; } @@ -1150,7 +1152,7 @@ static int xive_setup_cpu_ipi(unsigned int cpu) xc = per_cpu(xive_cpu, cpu); /* Check if we are already setup */ - if (xc->hw_ipi != 0) + if (xc->hw_ipi != XIVE_BAD_IRQ) return 0; /* Grab an IPI from the backend, this will populate xc->hw_ipi */ @@ -1187,7 +1189,7 @@ static void xive_cleanup_cpu_ipi(unsigned int cpu, struct xive_cpu *xc) /* Disable the IPI and free the IRQ data */ /* Already cleaned up ? */ - if (xc->hw_ipi == 0) + if (xc->hw_ipi == XIVE_BAD_IRQ) return; /* Mask the IPI */ @@ -1343,6 +1345,7 @@ static int xive_prepare_cpu(unsigned int cpu) if (np) xc->chip_id = of_get_ibm_chip_id(np); of_node_put(np); + xc->hw_ipi = XIVE_BAD_IRQ; per_cpu(xive_cpu, cpu) = xc; } diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index 0ff6b739052c..50e1a8e02497 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -312,7 +312,7 @@ static void xive_native_put_ipi(unsigned int cpu, struct xive_cpu *xc) s64 rc; /* Free the IPI */ - if (!xc->hw_ipi) + if (xc->hw_ipi == XIVE_BAD_IRQ) return; for (;;) { rc = opal_xive_free_irq(xc->hw_ipi); @@ -320,7 +320,7 @@ static void xive_native_put_ipi(unsigned int cpu, struct xive_cpu *xc) msleep(OPAL_BUSY_DELAY_MS); continue; } - xc->hw_ipi = 0; + xc->hw_ipi = XIVE_BAD_IRQ; break; } } diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c index 55dc61cb4867..3f15615712b5 100644 --- a/arch/powerpc/sysdev/xive/spapr.c +++ b/arch/powerpc/sysdev/xive/spapr.c @@ -560,11 +560,11 @@ static int xive_spapr_get_ipi(unsigned int cpu, struct xive_cpu *xc) static void xive_spapr_put_ipi(unsigned int cpu, struct xive_cpu *xc) { - if (!xc->hw_ipi) + if (xc->hw_ipi == XIVE_BAD_IRQ) return; xive_irq_bitmap_free(xc->hw_ipi); - xc->hw_ipi = 0; + xc->hw_ipi = XIVE_BAD_IRQ; } #endif /* CONFIG_SMP */ diff --git a/arch/powerpc/sysdev/xive/xive-internal.h b/arch/powerpc/sysdev/xive/xive-internal.h index 59cd366e7933..382980f4de2d 100644 --- a/arch/powerpc/sysdev/xive/xive-internal.h +++ b/arch/powerpc/sysdev/xive/xive-internal.h @@ -5,6 +5,13 @@ #ifndef __XIVE_INTERNAL_H #define __XIVE_INTERNAL_H +/* + * A "disabled" interrupt should never fire, to catch problems + * we set its logical number to this + */ +#define XIVE_BAD_IRQ 0x7fffffff +#define XIVE_MAX_IRQ (XIVE_BAD_IRQ - 1) + /* Each CPU carry one of these with various per-CPU state */ struct xive_cpu { #ifdef CONFIG_SMP |