Merge tag 'powerpc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - A series from Nick adding ARCH_WANT_IRQS_OFF_ACTIVATE_MM & selecting
   it for powerpc, as well as a related fix for sparc.

 - Remove support for PowerPC 601.

 - Some fixes for watchpoints & addition of a new ptrace flag for
   detecting ISA v3.1 (Power10) watchpoint features.

 - A fix for kernels using 4K pages and the hash MMU on bare metal
   Power9 systems with > 16TB of RAM, or RAM on the 2nd node.

 - A basic idle driver for shallow stop states on Power10.

 - Tweaks to our sched domains code to better inform the scheduler about
   the hardware topology on Power9/10, where two SMT4 cores can be
   presented by firmware as an SMT8 core.

 - A series doing further reworks & cleanups of our EEH code.

 - Addition of a filter for RTAS (firmware) calls done via sys_rtas(),
   to prevent root from overwriting kernel memory.

 - Other smaller features, fixes & cleanups.

Thanks to: Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V,
Athira Rajeev, Biwen Li, Cameron Berkenpas, Cédric Le Goater, Christophe
Leroy, Christoph Hellwig, Colin Ian King, Daniel Axtens, David Dai, Finn
Thain, Frederic Barrat, Gautham R. Shenoy, Greg Kurz, Gustavo Romero,
Ira Weiny, Jason Yan, Joel Stanley, Jordan Niethe, Kajol Jain, Konrad
Rzeszutek Wilk, Laurent Dufour, Leonardo Bras, Liu Shixin, Luca
Ceresoli, Madhavan Srinivasan, Mahesh Salgaonkar, Nathan Lynch, Nicholas
Mc Guire, Nicholas Piggin, Nick Desaulniers, Oliver O'Halloran, Pedro
Miraglia Franco de Carvalho, Pratik Rajesh Sampat, Qian Cai, Qinglang
Miao, Ravi Bangoria, Russell Currey, Satheesh Rajendran, Scott Cheloha,
Segher Boessenkool, Srikar Dronamraju, Stan Johnson, Stephen Kitt,
Stephen Rothwell, Thiago Jung Bauermann, Tyrel Datwyler, Vaibhav Jain,
Vaidyanathan Srinivasan, Vasant Hegde, Wang Wensheng, Wolfram Sang, Yang
Yingliang, zhengbin.

* tag 'powerpc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (228 commits)
  Revert "powerpc/pci: unmap legacy INTx interrupts when a PHB is removed"
  selftests/powerpc: Fix eeh-basic.sh exit codes
  cpufreq: powernv: Fix frame-size-overflow in powernv_cpufreq_reboot_notifier
  powerpc/time: Make get_tb() common to PPC32 and PPC64
  powerpc/time: Make get_tbl() common to PPC32 and PPC64
  powerpc/time: Remove get_tbu()
  powerpc/time: Avoid using get_tbl() and get_tbu() internally
  powerpc/time: Make mftb() common to PPC32 and PPC64
  powerpc/time: Rename mftbl() to mftb()
  powerpc/32s: Remove #ifdef CONFIG_PPC_BOOK3S_32 in head_book3s_32.S
  powerpc/32s: Rename head_32.S to head_book3s_32.S
  powerpc/32s: Setup the early hash table at all time.
  powerpc/time: Remove ifdef in get_dec() and set_dec()
  powerpc: Remove get_tb_or_rtc()
  powerpc: Remove __USE_RTC()
  powerpc: Tidy up a bit after removal of PowerPC 601.
  powerpc: Remove support for PowerPC 601
  powerpc: Remove PowerPC 601
  powerpc: Drop SYNC_601() ISYNC_601() and SYNC()
  powerpc: Remove CONFIG_PPC601_SYNC_FIX
  ...

2 files changed, 9 insertions, 13 deletions

diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c
index 7018cd802569..e4e0d767b98e 100644
--- a/drivers/scsi/cxlflash/ocxl_hw.c
+++ b/drivers/scsi/cxlflash/ocxl_hw.c
@@ -15,7 +15,8 @@
 #include <linux/pseudo_fs.h>
 #include <linux/poll.h>
 #include <linux/sched/signal.h>
-
+#include <linux/interrupt.h>
+#include <asm/xive.h>
 #include <misc/ocxl.h>
 
 #include <uapi/misc/cxl.h>
@@ -180,7 +181,7 @@ static int afu_map_irq(u64 flags, struct ocxlflash_context *ctx, int num,
 	struct ocxl_hw_afu *afu = ctx->hw_afu;
 	struct device *dev = afu->dev;
 	struct ocxlflash_irqs *irq;
-	void __iomem *vtrig;
+	struct xive_irq_data *xd;
 	u32 virq;
 	int rc = 0;
 
@@ -204,15 +205,15 @@ static int afu_map_irq(u64 flags, struct ocxlflash_context *ctx, int num,
 		goto err1;
 	}
 
-	vtrig = ioremap(irq->ptrig, PAGE_SIZE);
-	if (unlikely(!vtrig)) {
-		dev_err(dev, "%s: Trigger page mapping failed\n", __func__);
-		rc = -ENOMEM;
+	xd = irq_get_handler_data(virq);
+	if (unlikely(!xd)) {
+		dev_err(dev, "%s: Can't get interrupt data\n", __func__);
+		rc = -ENXIO;
 		goto err2;
 	}
 
 	irq->virq = virq;
-	irq->vtrig = vtrig;
+	irq->vtrig = xd->trig_mmio;
 out:
 	return rc;
 err2:
@@ -259,8 +260,6 @@ static void afu_unmap_irq(u64 flags, struct ocxlflash_context *ctx, int num,
 	}
 
 	irq = &ctx->irqs[num];
-	if (irq->vtrig)
-		iounmap(irq->vtrig);
 
 	if (irq_find_mapping(NULL, irq->hwirq)) {
 		free_irq(irq->virq, cookie);
@@ -615,7 +614,6 @@ static int alloc_afu_irqs(struct ocxlflash_context *ctx, int num)
 	struct ocxl_hw_afu *afu = ctx->hw_afu;
 	struct device *dev = afu->dev;
 	struct ocxlflash_irqs *irqs;
-	u64 addr;
 	int rc = 0;
 	int hwirq;
 	int i;
@@ -640,7 +638,7 @@ static int alloc_afu_irqs(struct ocxlflash_context *ctx, int num)
 	}
 
 	for (i = 0; i < num; i++) {
-		rc = ocxl_link_irq_alloc(afu->link_token, &hwirq, &addr);
+		rc = ocxl_link_irq_alloc(afu->link_token, &hwirq);
 		if (unlikely(rc)) {
 			dev_err(dev, "%s: ocxl_link_irq_alloc failed rc=%d\n",
 				__func__, rc);
@@ -648,7 +646,6 @@ static int alloc_afu_irqs(struct ocxlflash_context *ctx, int num)
 		}
 
 		irqs[i].hwirq = hwirq;
-		irqs[i].ptrig = addr;
 	}
 
 	ctx->irqs = irqs;
diff --git a/drivers/scsi/cxlflash/ocxl_hw.h b/drivers/scsi/cxlflash/ocxl_hw.h
index fc6ad4f985de..f2fe88816bea 100644
--- a/drivers/scsi/cxlflash/ocxl_hw.h
+++ b/drivers/scsi/cxlflash/ocxl_hw.h
@@ -13,7 +13,6 @@
 struct ocxlflash_irqs {
 	int hwirq;
 	u32 virq;
-	u64 ptrig;
 	void __iomem *vtrig;
 };