summaryrefslogtreecommitdiff
path: root/drivers/misc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/cardreader/rtsx_usb.c31
-rw-r--r--drivers/misc/eeprom/digsy_mtc_eeprom.c2
-rw-r--r--drivers/misc/lkdtm/perms.c14
-rw-r--r--drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c8
-rw-r--r--drivers/misc/mei/bus.c6
-rw-r--r--drivers/misc/mei/hw-me-regs.h3
-rw-r--r--drivers/misc/mei/pci-me.c3
-rw-r--r--drivers/misc/pci_endpoint_test.c6
-rw-r--r--drivers/misc/vmw_vmci/vmci_host.c11
9 files changed, 49 insertions, 35 deletions
diff --git a/drivers/misc/cardreader/rtsx_usb.c b/drivers/misc/cardreader/rtsx_usb.c
index 285a748748d7..f546b050cb49 100644
--- a/drivers/misc/cardreader/rtsx_usb.c
+++ b/drivers/misc/cardreader/rtsx_usb.c
@@ -286,7 +286,6 @@ static int rtsx_usb_get_status_with_bulk(struct rtsx_ucr *ucr, u16 *status)
int rtsx_usb_get_card_status(struct rtsx_ucr *ucr, u16 *status)
{
int ret;
- u8 interrupt_val = 0;
u16 *buf;
if (!status)
@@ -309,20 +308,6 @@ int rtsx_usb_get_card_status(struct rtsx_ucr *ucr, u16 *status)
ret = rtsx_usb_get_status_with_bulk(ucr, status);
}
- rtsx_usb_read_register(ucr, CARD_INT_PEND, &interrupt_val);
- /* Cross check presence with interrupts */
- if (*status & XD_CD)
- if (!(interrupt_val & XD_INT))
- *status &= ~XD_CD;
-
- if (*status & SD_CD)
- if (!(interrupt_val & SD_INT))
- *status &= ~SD_CD;
-
- if (*status & MS_CD)
- if (!(interrupt_val & MS_INT))
- *status &= ~MS_CD;
-
/* usb_control_msg may return positive when success */
if (ret < 0)
return ret;
@@ -713,6 +698,12 @@ static void rtsx_usb_disconnect(struct usb_interface *intf)
}
#ifdef CONFIG_PM
+static int rtsx_usb_resume_child(struct device *dev, void *data)
+{
+ pm_request_resume(dev);
+ return 0;
+}
+
static int rtsx_usb_suspend(struct usb_interface *intf, pm_message_t message)
{
struct rtsx_ucr *ucr =
@@ -728,8 +719,10 @@ static int rtsx_usb_suspend(struct usb_interface *intf, pm_message_t message)
mutex_unlock(&ucr->dev_mutex);
/* Defer the autosuspend if card exists */
- if (val & (SD_CD | MS_CD))
+ if (val & (SD_CD | MS_CD)) {
+ device_for_each_child(&intf->dev, NULL, rtsx_usb_resume_child);
return -EAGAIN;
+ }
} else {
/* There is an ongoing operation*/
return -EAGAIN;
@@ -739,12 +732,6 @@ static int rtsx_usb_suspend(struct usb_interface *intf, pm_message_t message)
return 0;
}
-static int rtsx_usb_resume_child(struct device *dev, void *data)
-{
- pm_request_resume(dev);
- return 0;
-}
-
static int rtsx_usb_resume(struct usb_interface *intf)
{
device_for_each_child(&intf->dev, NULL, rtsx_usb_resume_child);
diff --git a/drivers/misc/eeprom/digsy_mtc_eeprom.c b/drivers/misc/eeprom/digsy_mtc_eeprom.c
index 4eddc5ba1af9..dfaedc0e350d 100644
--- a/drivers/misc/eeprom/digsy_mtc_eeprom.c
+++ b/drivers/misc/eeprom/digsy_mtc_eeprom.c
@@ -60,7 +60,7 @@ static struct platform_device digsy_mtc_eeprom = {
};
static struct gpiod_lookup_table eeprom_spi_gpiod_table = {
- .dev_id = "spi_gpio",
+ .dev_id = "spi_gpio.1",
.table = {
GPIO_LOOKUP("gpio@b00", GPIO_EEPROM_CLK,
"sck", GPIO_ACTIVE_HIGH),
diff --git a/drivers/misc/lkdtm/perms.c b/drivers/misc/lkdtm/perms.c
index b93404d65650..e82d9543a0c5 100644
--- a/drivers/misc/lkdtm/perms.c
+++ b/drivers/misc/lkdtm/perms.c
@@ -29,6 +29,13 @@ static const unsigned long rodata = 0xAA55AA55;
static unsigned long ro_after_init __ro_after_init = 0x55AA5500;
/*
+ * This is a pointer to do_nothing() which is initialized at runtime rather
+ * than build time to avoid objtool IBT validation warnings caused by an
+ * inlined unrolled memcpy() in execute_location().
+ */
+static void __ro_after_init *do_nothing_ptr;
+
+/*
* This just returns to the caller. It is designed to be copied into
* non-executable memory regions.
*/
@@ -65,13 +72,12 @@ static noinline void execute_location(void *dst, bool write)
{
void (*func)(void);
func_desc_t fdesc;
- void *do_nothing_text = dereference_function_descriptor(do_nothing);
- pr_info("attempting ok execution at %px\n", do_nothing_text);
+ pr_info("attempting ok execution at %px\n", do_nothing_ptr);
do_nothing();
if (write == CODE_WRITE) {
- memcpy(dst, do_nothing_text, EXEC_SIZE);
+ memcpy(dst, do_nothing_ptr, EXEC_SIZE);
flush_icache_range((unsigned long)dst,
(unsigned long)dst + EXEC_SIZE);
}
@@ -267,6 +273,8 @@ static void lkdtm_ACCESS_NULL(void)
void __init lkdtm_perms_init(void)
{
+ do_nothing_ptr = dereference_function_descriptor(do_nothing);
+
/* Make sure we can write to __ro_after_init values during __init */
ro_after_init |= 0xAA;
}
diff --git a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c
index c6199ded8f6d..e9f40abf21d2 100644
--- a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c
+++ b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c
@@ -37,6 +37,7 @@
struct pci1xxxx_gpio {
struct auxiliary_device *aux_dev;
void __iomem *reg_base;
+ raw_spinlock_t wa_lock;
struct gpio_chip gpio;
spinlock_t lock;
int irq_base;
@@ -164,7 +165,7 @@ static void pci1xxxx_gpio_irq_ack(struct irq_data *data)
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
- pci1xxx_assign_bit(priv->reg_base, INTR_STAT_OFFSET(gpio), (gpio % 32), true);
+ writel(BIT(gpio % 32), priv->reg_base + INTR_STAT_OFFSET(gpio));
spin_unlock_irqrestore(&priv->lock, flags);
}
@@ -250,6 +251,7 @@ static irqreturn_t pci1xxxx_gpio_irq_handler(int irq, void *dev_id)
struct pci1xxxx_gpio *priv = dev_id;
struct gpio_chip *gc = &priv->gpio;
unsigned long int_status = 0;
+ unsigned long wa_flags;
unsigned long flags;
u8 pincount;
int bit;
@@ -273,7 +275,9 @@ static irqreturn_t pci1xxxx_gpio_irq_handler(int irq, void *dev_id)
writel(BIT(bit), priv->reg_base + INTR_STATUS_OFFSET(gpiobank));
spin_unlock_irqrestore(&priv->lock, flags);
irq = irq_find_mapping(gc->irq.domain, (bit + (gpiobank * 32)));
- handle_nested_irq(irq);
+ raw_spin_lock_irqsave(&priv->wa_lock, wa_flags);
+ generic_handle_irq(irq);
+ raw_spin_unlock_irqrestore(&priv->wa_lock, wa_flags);
}
}
spin_lock_irqsave(&priv->lock, flags);
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 7b7f4190cd02..19bc1e9eeb7f 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -1113,6 +1113,8 @@ static void mei_dev_bus_put(struct mei_device *bus)
static void mei_cl_bus_dev_release(struct device *dev)
{
struct mei_cl_device *cldev = to_mei_cl_device(dev);
+ struct mei_device *mdev = cldev->cl->dev;
+ struct mei_cl *cl;
if (!cldev)
return;
@@ -1120,6 +1122,10 @@ static void mei_cl_bus_dev_release(struct device *dev)
mei_cl_flush_queues(cldev->cl, NULL);
mei_me_cl_put(cldev->me_cl);
mei_dev_bus_put(cldev->bus);
+
+ list_for_each_entry(cl, &mdev->file_list, link)
+ WARN_ON(cl == cldev->cl);
+
kfree(cldev->cl);
kfree(cldev);
}
diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index d3c03d4edbef..4adfa5af162f 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -117,6 +117,9 @@
#define MEI_DEV_ID_LNL_M 0xA870 /* Lunar Lake Point M */
+#define MEI_DEV_ID_PTL_H 0xE370 /* Panther Lake H */
+#define MEI_DEV_ID_PTL_P 0xE470 /* Panther Lake P */
+
/*
* MEI HW Section
*/
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index dd4d92fa44c6..17648443a419 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -124,6 +124,9 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_LNL_M, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_PTL_H, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_PTL_P, MEI_ME_PCH15_CFG)},
+
/* required last entry */
{0, }
};
diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index 18059a12d4e1..7b5fc0a50231 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -245,7 +245,7 @@ static bool pci_endpoint_test_request_irq(struct pci_endpoint_test *test)
return true;
fail:
- switch (irq_type) {
+ switch (test->irq_type) {
case IRQ_TYPE_LEGACY:
dev_err(dev, "Failed to request IRQ %d for Legacy\n",
pci_irq_vector(pdev, i));
@@ -262,6 +262,9 @@ fail:
break;
}
+ test->num_irqs = i;
+ pci_endpoint_test_release_irq(test);
+
return false;
}
@@ -714,6 +717,7 @@ static bool pci_endpoint_test_set_irq(struct pci_endpoint_test *test,
if (!pci_endpoint_test_request_irq(test))
goto err;
+ irq_type = test->irq_type;
return true;
err:
diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c
index abe79f6fd2a7..b64944367ac5 100644
--- a/drivers/misc/vmw_vmci/vmci_host.c
+++ b/drivers/misc/vmw_vmci/vmci_host.c
@@ -227,6 +227,7 @@ static int drv_cp_harray_to_user(void __user *user_buf_uva,
static int vmci_host_setup_notify(struct vmci_ctx *context,
unsigned long uva)
{
+ struct page *page;
int retval;
if (context->notify_page) {
@@ -243,13 +244,11 @@ static int vmci_host_setup_notify(struct vmci_ctx *context,
/*
* Lock physical page backing a given user VA.
*/
- retval = get_user_pages_fast(uva, 1, FOLL_WRITE, &context->notify_page);
- if (retval != 1) {
- context->notify_page = NULL;
+ retval = get_user_pages_fast(uva, 1, FOLL_WRITE, &page);
+ if (retval != 1)
return VMCI_ERROR_GENERIC;
- }
- if (context->notify_page == NULL)
- return VMCI_ERROR_UNAVAILABLE;
+
+ context->notify_page = page;
/*
* Map the locked page and set up notify pointer.