Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index e401f04..d15c881 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -156,7 +156,8 @@
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
 
-	return sprintf(buf, "%s\n", PCIE_SPEED2STR(pcie_get_speed_cap(pdev)));
+	return sprintf(buf, "%s\n",
+		       pci_speed_string(pcie_get_speed_cap(pdev)));
 }
 static DEVICE_ATTR_RO(max_link_speed);
 
@@ -175,33 +176,15 @@
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	u16 linkstat;
 	int err;
-	const char *speed;
+	enum pci_bus_speed speed;
 
 	err = pcie_capability_read_word(pci_dev, PCI_EXP_LNKSTA, &linkstat);
 	if (err)
 		return -EINVAL;
 
-	switch (linkstat & PCI_EXP_LNKSTA_CLS) {
-	case PCI_EXP_LNKSTA_CLS_32_0GB:
-		speed = "32 GT/s";
-		break;
-	case PCI_EXP_LNKSTA_CLS_16_0GB:
-		speed = "16 GT/s";
-		break;
-	case PCI_EXP_LNKSTA_CLS_8_0GB:
-		speed = "8 GT/s";
-		break;
-	case PCI_EXP_LNKSTA_CLS_5_0GB:
-		speed = "5 GT/s";
-		break;
-	case PCI_EXP_LNKSTA_CLS_2_5GB:
-		speed = "2.5 GT/s";
-		break;
-	default:
-		speed = "Unknown speed";
-	}
+	speed = pcie_link_speed[linkstat & PCI_EXP_LNKSTA_CLS];
 
-	return sprintf(buf, "%s\n", speed);
+	return sprintf(buf, "%s\n", pci_speed_string(speed));
 }
 static DEVICE_ATTR_RO(current_link_speed);
 
@@ -591,7 +574,7 @@
 	ssize_t len;
 
 	device_lock(dev);
-	len = snprintf(buf, PAGE_SIZE, "%s\n", pdev->driver_override);
+	len = scnprintf(buf, PAGE_SIZE, "%s\n", pdev->driver_override);
 	device_unlock(dev);
 	return len;
 }
@@ -725,6 +708,7 @@
 		data[off - init_off + 3] = (val >> 24) & 0xff;
 		off += 4;
 		size -= 4;
+		cond_resched();
 	}
 
 	if (size >= 2) {
@@ -1124,7 +1108,7 @@
 {
 	int i;
 
-	for (i = 0; i < PCI_ROM_RESOURCE; i++) {
+	for (i = 0; i < PCI_STD_NUM_BARS; i++) {
 		struct bin_attribute *res_attr;
 
 		res_attr = pdev->res_attr[i];
@@ -1195,7 +1179,7 @@
 	int retval;
 
 	/* Expose the PCI resources from this device as files */
-	for (i = 0; i < PCI_ROM_RESOURCE; i++) {
+	for (i = 0; i < PCI_STD_NUM_BARS; i++) {
 
 		/* skip empty resources */
 		if (!pci_resource_len(pdev, i))
@@ -1213,10 +1197,10 @@
 	}
 	return 0;
 }
-#else /* !HAVE_PCI_MMAP */
+#else /* !(defined(HAVE_PCI_MMAP) || defined(ARCH_GENERIC_PCI_MMAP_RESOURCE)) */
 int __weak pci_create_resource_files(struct pci_dev *dev) { return 0; }
 void __weak pci_remove_resource_files(struct pci_dev *dev) { return; }
-#endif /* HAVE_PCI_MMAP */
+#endif
 
 /**
  * pci_write_rom - used to enable access to the PCI ROM display
@@ -1332,7 +1316,6 @@
 	int retval;
 
 	pcie_vpd_create_sysfs_dev_files(dev);
-	pcie_aspm_create_sysfs_dev_files(dev);
 
 	if (dev->reset_fn) {
 		retval = device_create_file(&dev->dev, &dev_attr_reset);
@@ -1342,7 +1325,6 @@
 	return 0;
 
 error:
-	pcie_aspm_remove_sysfs_dev_files(dev);
 	pcie_vpd_remove_sysfs_dev_files(dev);
 	return retval;
 }
@@ -1418,7 +1400,6 @@
 static void pci_remove_capabilities_sysfs(struct pci_dev *dev)
 {
 	pcie_vpd_remove_sysfs_dev_files(dev);
-	pcie_aspm_remove_sysfs_dev_files(dev);
 	if (dev->reset_fn) {
 		device_remove_file(&dev->dev, &dev_attr_reset);
 		dev->reset_fn = 0;
@@ -1541,24 +1522,6 @@
 	NULL,
 };
 
-static const struct attribute_group pci_bridge_group = {
-	.attrs = pci_bridge_attrs,
-};
-
-const struct attribute_group *pci_bridge_groups[] = {
-	&pci_bridge_group,
-	NULL,
-};
-
-static const struct attribute_group pcie_dev_group = {
-	.attrs = pcie_dev_attrs,
-};
-
-const struct attribute_group *pcie_dev_groups[] = {
-	&pcie_dev_group,
-	NULL,
-};
-
 static const struct attribute_group pci_dev_hp_attr_group = {
 	.attrs = pci_dev_hp_attrs,
 	.is_visible = pci_dev_hp_attrs_are_visible,
@@ -1590,6 +1553,9 @@
 #ifdef CONFIG_PCIEAER
 	&aer_stats_attr_group,
 #endif
+#ifdef CONFIG_PCIEASPM
+	&aspm_ctrl_attr_group,
+#endif
 	NULL,
 };