diff mbox series

[04/37] PCI/MSI: Use lock from msi_device_data

Message ID 20211126230524.173951799@linutronix.de (mailing list archive)
State New, archived
Headers show
Series genirq/msi, PCI/MSI: Spring cleaning - Part 2 | expand

Commit Message

Thomas Gleixner Nov. 27, 2021, 1:20 a.m. UTC 
Remove the register lock from struct device and use the one in
struct msi_device_data.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 drivers/base/core.c    |    1 -
 drivers/pci/msi/msi.c  |    2 +-
 include/linux/device.h |    2 --
 3 files changed, 1 insertion(+), 4 deletions(-)

Comments

Greg KH Nov. 27, 2021, 12:13 p.m. UTC | #1 
On Sat, Nov 27, 2021 at 02:20:13AM +0100, Thomas Gleixner wrote:
> Remove the register lock from struct device and use the one in
> struct msi_device_data.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> ---
>  drivers/base/core.c    |    1 -
>  drivers/pci/msi/msi.c  |    2 +-
>  include/linux/device.h |    2 --
>  3 files changed, 1 insertion(+), 4 deletions(-)

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff mbox series

Patch

--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2875,7 +2875,6 @@  void device_initialize(struct device *de
 	device_pm_init(dev);
 	set_dev_node(dev, NUMA_NO_NODE);
 #ifdef CONFIG_GENERIC_MSI_IRQ
-	raw_spin_lock_init(&dev->msi_lock);
 	INIT_LIST_HEAD(&dev->msi_list);
 #endif
 	INIT_LIST_HEAD(&dev->links.consumers);
--- a/drivers/pci/msi/msi.c
+++ b/drivers/pci/msi/msi.c
@@ -18,7 +18,7 @@  int pci_msi_ignore_mask;
 
 static noinline void pci_msi_update_mask(struct msi_desc *desc, u32 clear, u32 set)
 {
-	raw_spinlock_t *lock = &desc->dev->msi_lock;
+	raw_spinlock_t *lock = &desc->dev->msi.data->lock;
 	unsigned long flags;
 
 	if (!desc->pci.msi_attrib.can_mask)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -422,7 +422,6 @@  struct dev_msi_info {
  * @em_pd:	device's energy model performance domain
  * @pins:	For device pin management.
  *		See Documentation/driver-api/pin-control.rst for details.
- * @msi_lock:	Lock to protect MSI mask cache and mask register
  * @msi_list:	Hosts MSI descriptors
  * @numa_node:	NUMA node this device is close to.
  * @dma_ops:    DMA mapping operations for this device.
@@ -520,7 +519,6 @@  struct device {
 #endif
 	struct dev_msi_info	msi;
 #ifdef CONFIG_GENERIC_MSI_IRQ
-	raw_spinlock_t		msi_lock;
 	struct list_head	msi_list;
 #endif
 #ifdef CONFIG_DMA_OPS