From: Sui Jingfeng <suijingfeng@xxxxxxxxxxx>
To keep consistent with vga_iostate_to_str() function, the third argument
of vga_str_to_iostate() function should be 'unsigned int *'.
Signed-off-by: Sui Jingfeng <suijingfeng@xxxxxxxxxxx>
---
drivers/pci/vgaarb.c | 29 +++++++++++++++--------------
include/linux/vgaarb.h | 8 +++-----
2 files changed, 18 insertions(+), 19 deletions(-)
diff --git a/drivers/pci/vgaarb.c b/drivers/pci/vgaarb.c
index 5a696078b382..e40e6e5e5f03 100644
--- a/drivers/pci/vgaarb.c
+++ b/drivers/pci/vgaarb.c
@@ -61,7 +61,6 @@ static bool vga_arbiter_used;
static DEFINE_SPINLOCK(vga_lock);
static DECLARE_WAIT_QUEUE_HEAD(vga_wait_queue);
-
static const char *vga_iostate_to_str(unsigned int iostate)
{
/* Ignore VGA_RSRC_IO and VGA_RSRC_MEM */
@@ -77,10 +76,12 @@ static const char *vga_iostate_to_str(unsigned int iostate)
return "none";
}
-static int vga_str_to_iostate(char *buf, int str_size, int *io_state)
+static int vga_str_to_iostate(char *buf, int str_size, unsigned int *io_state)
{
- /* we could in theory hand out locks on IO and mem
- * separately to userspace but it can cause deadlocks */
+ /*
+ * we could in theory hand out locks on IO and mem
+ * separately to userspace but it can cause deadlocks
+ */
if (strncmp(buf, "none", 4) == 0) {
*io_state = VGA_RSRC_NONE;
return 1;
@@ -99,7 +100,7 @@ static int vga_str_to_iostate(char *buf, int str_size, int *io_state)
return 1;
}
-/* this is only used a cookie - it should not be dereferenced */
+/* This is only used as cookie, it should not be dereferenced */
static struct pci_dev *vga_default;
/* Find somebody in our list */
@@ -194,13 +195,15 @@ int vga_remove_vgacon(struct pci_dev *pdev)
EXPORT_SYMBOL(vga_remove_vgacon);
/* If we don't ever use VGA arb we should avoid
- turning off anything anywhere due to old X servers getting
- confused about the boot device not being VGA */
+ * turning off anything anywhere due to old X servers getting
+ * confused about the boot device not being VGA
+ */
static void vga_check_first_use(void)
{
/* we should inform all GPUs in the system that
* VGA arb has occurred and to try and disable resources
- * if they can */
+ * if they can
+ */
if (!vga_arbiter_used) {
vga_arbiter_used = true;
vga_arbiter_notify_clients();
@@ -865,8 +868,7 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev)
}
/* this is called with the lock */
-static inline void vga_update_device_decodes(struct vga_device *vgadev,
- int new_decodes)
+static void vga_update_device_decodes(struct vga_device *vgadev, int new_decodes)
{
struct device *dev = &vgadev->pdev->dev;
int old_decodes, decodes_removed, decodes_unlocked;
@@ -956,9 +958,9 @@ EXPORT_SYMBOL(vga_set_legacy_decoding);
* @set_decode callback: If a client can disable its GPU VGA resource, it
* will get a callback from this to set the encode/decode state.
*
- * Rationale: we cannot disable VGA decode resources unconditionally some single
- * GPU laptops seem to require ACPI or BIOS access to the VGA registers to
- * control things like backlights etc. Hopefully newer multi-GPU laptops do
+ * Rationale: we cannot disable VGA decode resources unconditionally, some
+ * single GPU laptops seem to require ACPI or BIOS access to the VGA registers
+ * to control things like backlights etc. Hopefully newer multi-GPU laptops do
* something saner, and desktops won't have any special ACPI for this. The
* driver will get a callback when VGA arbitration is first used by userspace
* since some older X servers have issues.
@@ -988,7 +990,6 @@ int vga_client_register(struct pci_dev *pdev,
bail:
spin_unlock_irqrestore(&vga_lock, flags);
return ret;
-
}
EXPORT_SYMBOL(vga_client_register);
diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
index b4b9137f9792..d36225c582ee 100644
--- a/include/linux/vgaarb.h
+++ b/include/linux/vgaarb.h
@@ -23,9 +23,7 @@
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS
- * IN THE SOFTWARE.
- *
+ * DEALINGS IN THE SOFTWARE.
*/
#ifndef LINUX_VGA_H
@@ -96,7 +94,7 @@ static inline int vga_client_register(struct pci_dev *pdev,
static inline int vga_get_interruptible(struct pci_dev *pdev,
unsigned int rsrc)
{
- return vga_get(pdev, rsrc, 1);
+ return vga_get(pdev, rsrc, 1);
}
/**
@@ -111,7 +109,7 @@ static inline int vga_get_interruptible(struct pci_dev *pdev,
static inline int vga_get_uninterruptible(struct pci_dev *pdev,
unsigned int rsrc)
{
- return vga_get(pdev, rsrc, 0);
+ return vga_get(pdev, rsrc, 0);
}
static inline void vga_client_unregister(struct pci_dev *pdev)
--
2.25.1
