Merge tag 'powerpc-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Madhavan Srinivasan: - powerpc support for BPF arena and arena atomics - Patches to switch to msi parent domain (per-device MSI domains) - Add a lock contention tracepoint in the queued spinlock slowpath - Fixes for underflow in pseries/powernv msi and pci paths - Switch from legacy-of-mm-gpiochip dependency to platform driver - Fixes for handling TLB misses - Introduce support for powerpc papr-hvpipe - Add vpa-dtl PMU driver for pseries platform - Misc fixes and cleanups Thanks to Aboorva Devarajan, Aditya Bodkhe, Andrew Donnellan, Athira Rajeev, Cédric Le Goater, Christophe Leroy, Erhard Furtner, Gautam Menghani, Geert Uytterhoeven, Haren Myneni, Hari Bathini, Joe Lawrence, Kajol Jain, Kienan Stewart, Linus Walleij, Mahesh Salgaonkar, Nam Cao, Nicolas Schier, Nysal Jan K.A., Ritesh Harjani (IBM), Ruben Wauters, Saket Kumar Bhaskar, Shashank MS, Shrikanth Hegde, Tejas Manhas, Thomas Gleixner, Thomas Huth, Thorsten Blum, Tyrel Datwyler, and Venkat Rao Bagalkote. * tag 'powerpc-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (49 commits) powerpc/pseries: Define __u{8,32} types in papr_hvpipe_hdr struct genirq/msi: Remove msi_post_free() powerpc/perf/vpa-dtl: Add documentation for VPA dispatch trace log PMU powerpc/perf/vpa-dtl: Handle the writing of perf record when aux wake up is needed powerpc/perf/vpa-dtl: Add support to capture DTL data in aux buffer powerpc/perf/vpa-dtl: Add support to setup and free aux buffer for capturing DTL data docs: ABI: sysfs-bus-event_source-devices-vpa-dtl: Document sysfs event format entries for vpa_dtl pmu powerpc/vpa_dtl: Add interface to expose vpa dtl counters via perf powerpc/time: Expose boot_tb via accessor powerpc/32: Remove PAGE_KERNEL_TEXT to fix startup failure powerpc/fprobe: fix updated fprobe for function-graph tracer powerpc/ftrace: support CONFIG_FUNCTION_GRAPH_RETVAL powerpc64/modules: replace stub allocation sentinel with an explicit counter powerpc64/modules: correctly iterate over stubs in setup_ftrace_ool_stubs powerpc/ftrace: ensure ftrace record ops are always set for NOPs powerpc/603: Really copy kernel PGD entries into all PGDIRs powerpc/8xx: Remove left-over instruction and comments in DataStoreTLBMiss handler powerpc/pseries: HVPIPE changes to support migration powerpc/pseries: Enable hvpipe with ibm,set-system-parameter RTAS powerpc/pseries: Enable HVPIPE event message interrupt ...
author: Linus Torvalds <torvalds@linux-foundation.org> 2025-09-29 19:28:50 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2025-09-29 19:28:50 -0700
commit: 417552999d0b6681ac30e117ae890828ca7e46b3 (patch)
tree: 01ba496b2c58446a43550754cbc6c8d16717825a /drivers/gpio
parent: 9cc220a422113f665e13364be1411c7bba9e3e30 (diff)
parent: ef104054a312608deab266f95945057fa73eeaad (diff)
download: net-417552999d0b6681ac30e117ae890828ca7e46b3.tar.gz
2 files changed, 43 insertions, 36 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index d8ac40d0eb6fb6..23b5820e185497 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -485,7 +485,6 @@ config GPIO_MM_LANTIQ
 config GPIO_MPC5200
 	def_bool y
 	depends on PPC_MPC52xx
-	select OF_GPIO_MM_GPIOCHIP
 
 config GPIO_MPC8XXX
 	bool "MPC512x/MPC8xxx/QorIQ GPIO support"
diff --git a/drivers/gpio/gpio-mpc5200.c b/drivers/gpio/gpio-mpc5200.c
index dad0eca1ca2ead..00f209157fd0f0 100644
--- a/drivers/gpio/gpio-mpc5200.c
+++ b/drivers/gpio/gpio-mpc5200.c
@@ -8,7 +8,7 @@
 #include <linux/of.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
-#include <linux/gpio/legacy-of-mm-gpiochip.h>
+#include <linux/gpio/driver.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/module.h>
@@ -19,7 +19,8 @@
 static DEFINE_SPINLOCK(gpio_lock);
 
 struct mpc52xx_gpiochip {
-	struct of_mm_gpio_chip mmchip;
+	struct gpio_chip gc;
+	void __iomem *regs;
 	unsigned int shadow_dvo;
 	unsigned int shadow_gpioe;
 	unsigned int shadow_ddr;
@@ -43,8 +44,8 @@ struct mpc52xx_gpiochip {
  */
 static int mpc52xx_wkup_gpio_get(struct gpio_chip *gc, unsigned int gpio)
 {
-	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
-	struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
+	struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
+	struct mpc52xx_gpio_wkup __iomem *regs = chip->regs;
 	unsigned int ret;
 
 	ret = (in_8(&regs->wkup_ival) >> (7 - gpio)) & 1;
@@ -57,9 +58,8 @@ static int mpc52xx_wkup_gpio_get(struct gpio_chip *gc, unsigned int gpio)
 static inline void
 __mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
 {
-	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
 	struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
-	struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
+	struct mpc52xx_gpio_wkup __iomem *regs = chip->regs;
 
 	if (val)
 		chip->shadow_dvo |= 1 << (7 - gpio);
@@ -87,9 +87,8 @@ mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
 
 static int mpc52xx_wkup_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
 {
-	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
 	struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
-	struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
+	struct mpc52xx_gpio_wkup __iomem *regs = chip->regs;
 	unsigned long flags;
 
 	spin_lock_irqsave(&gpio_lock, flags);
@@ -110,9 +109,8 @@ static int mpc52xx_wkup_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
 static int
 mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 {
-	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
-	struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
 	struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
+	struct mpc52xx_gpio_wkup __iomem *regs = chip->regs;
 	unsigned long flags;
 
 	spin_lock_irqsave(&gpio_lock, flags);
@@ -136,30 +134,41 @@ mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 
 static int mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev)
 {
+	struct device *dev = &ofdev->dev;
+	struct device_node *np = dev->of_node;
 	struct mpc52xx_gpiochip *chip;
 	struct mpc52xx_gpio_wkup __iomem *regs;
 	struct gpio_chip *gc;
 	int ret;
 
-	chip = devm_kzalloc(&ofdev->dev, sizeof(*chip), GFP_KERNEL);
+	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
 	if (!chip)
 		return -ENOMEM;
 
 	platform_set_drvdata(ofdev, chip);
 
-	gc = &chip->mmchip.gc;
+	gc = &chip->gc;
 
+	gc->base             = -1;
 	gc->ngpio            = 8;
 	gc->direction_input  = mpc52xx_wkup_gpio_dir_in;
 	gc->direction_output = mpc52xx_wkup_gpio_dir_out;
 	gc->get              = mpc52xx_wkup_gpio_get;
 	gc->set              = mpc52xx_wkup_gpio_set;
 
-	ret = of_mm_gpiochip_add_data(ofdev->dev.of_node, &chip->mmchip, chip);
+	gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np);
+	if (!gc->label)
+		return -ENOMEM;
+
+	chip->regs = devm_of_iomap(dev, np, 0, NULL);
+	if (IS_ERR(chip->regs))
+		return PTR_ERR(chip->regs);
+
+	ret = devm_gpiochip_add_data(dev, gc, chip);
 	if (ret)
 		return ret;
 
-	regs = chip->mmchip.regs;
+	regs = chip->regs;
 	chip->shadow_gpioe = in_8(&regs->wkup_gpioe);
 	chip->shadow_ddr = in_8(&regs->wkup_ddr);
 	chip->shadow_dvo = in_8(&regs->wkup_dvo);
@@ -167,13 +176,6 @@ static int mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev)
 	return 0;
 }
 
-static void mpc52xx_gpiochip_remove(struct platform_device *ofdev)
-{
-	struct mpc52xx_gpiochip *chip = platform_get_drvdata(ofdev);
-
-	of_mm_gpiochip_remove(&chip->mmchip);
-}
-
 static const struct of_device_id mpc52xx_wkup_gpiochip_match[] = {
 	{ .compatible = "fsl,mpc5200-gpio-wkup", },
 	{}
@@ -185,7 +187,6 @@ static struct platform_driver mpc52xx_wkup_gpiochip_driver = {
 		.of_match_table = mpc52xx_wkup_gpiochip_match,
 	},
 	.probe = mpc52xx_wkup_gpiochip_probe,
-	.remove = mpc52xx_gpiochip_remove,
 };
 
 /*
@@ -207,8 +208,8 @@ static struct platform_driver mpc52xx_wkup_gpiochip_driver = {
  */
 static int mpc52xx_simple_gpio_get(struct gpio_chip *gc, unsigned int gpio)
 {
-	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
-	struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
+	struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
+	struct mpc52xx_gpio __iomem *regs = chip->regs;
 	unsigned int ret;
 
 	ret = (in_be32(&regs->simple_ival) >> (31 - gpio)) & 1;
@@ -219,9 +220,8 @@ static int mpc52xx_simple_gpio_get(struct gpio_chip *gc, unsigned int gpio)
 static inline void
 __mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
 {
-	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
 	struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
-	struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
+	struct mpc52xx_gpio __iomem *regs = chip->regs;
 
 	if (val)
 		chip->shadow_dvo |= 1 << (31 - gpio);
@@ -248,9 +248,8 @@ mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
 
 static int mpc52xx_simple_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
 {
-	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
 	struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
-	struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
+	struct mpc52xx_gpio __iomem *regs = chip->regs;
 	unsigned long flags;
 
 	spin_lock_irqsave(&gpio_lock, flags);
@@ -271,9 +270,8 @@ static int mpc52xx_simple_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
 static int
 mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 {
-	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
 	struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
-	struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
+	struct mpc52xx_gpio __iomem *regs = chip->regs;
 	unsigned long flags;
 
 	spin_lock_irqsave(&gpio_lock, flags);
@@ -298,30 +296,41 @@ mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 
 static int mpc52xx_simple_gpiochip_probe(struct platform_device *ofdev)
 {
+	struct device *dev = &ofdev->dev;
+	struct device_node *np = dev->of_node;
 	struct mpc52xx_gpiochip *chip;
 	struct gpio_chip *gc;
 	struct mpc52xx_gpio __iomem *regs;
 	int ret;
 
-	chip = devm_kzalloc(&ofdev->dev, sizeof(*chip), GFP_KERNEL);
+	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
 	if (!chip)
 		return -ENOMEM;
 
 	platform_set_drvdata(ofdev, chip);
 
-	gc = &chip->mmchip.gc;
+	gc = &chip->gc;
 
+	gc->base             = -1;
 	gc->ngpio            = 32;
 	gc->direction_input  = mpc52xx_simple_gpio_dir_in;
 	gc->direction_output = mpc52xx_simple_gpio_dir_out;
 	gc->get              = mpc52xx_simple_gpio_get;
 	gc->set              = mpc52xx_simple_gpio_set;
 
-	ret = of_mm_gpiochip_add_data(ofdev->dev.of_node, &chip->mmchip, chip);
+	gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np);
+	if (!gc->label)
+		return -ENOMEM;
+
+	chip->regs = devm_of_iomap(dev, np, 0, NULL);
+	if (IS_ERR(chip->regs))
+		return PTR_ERR(chip->regs);
+
+	ret = devm_gpiochip_add_data(dev, gc, chip);
 	if (ret)
 		return ret;
 
-	regs = chip->mmchip.regs;
+	regs = chip->regs;
 	chip->shadow_gpioe = in_be32(&regs->simple_gpioe);
 	chip->shadow_ddr = in_be32(&regs->simple_ddr);
 	chip->shadow_dvo = in_be32(&regs->simple_dvo);
@@ -340,7 +349,6 @@ static struct platform_driver mpc52xx_simple_gpiochip_driver = {
 		.of_match_table = mpc52xx_simple_gpiochip_match,
 	},
 	.probe = mpc52xx_simple_gpiochip_probe,
-	.remove = mpc52xx_gpiochip_remove,
 };
 
 static struct platform_driver * const drivers[] = {
author	Linus Torvalds <torvalds@linux-foundation.org>	2025-09-29 19:28:50 -0700
committer	Linus Torvalds <torvalds@linux-foundation.org>	2025-09-29 19:28:50 -0700
commit	417552999d0b6681ac30e117ae890828ca7e46b3 (patch)
tree	01ba496b2c58446a43550754cbc6c8d16717825a /drivers/gpio
parent	9cc220a422113f665e13364be1411c7bba9e3e30 (diff)
parent	ef104054a312608deab266f95945057fa73eeaad (diff)
download	net-417552999d0b6681ac30e117ae890828ca7e46b3.tar.gz