[PATCH -next] PCI: Use DEFINE_SPINLOCK() for spinlock

From: Huang Guobin
Date: Tue Apr 06 2021 - 08:07:00 EST


From: Guobin Huang <huangguobin4@xxxxxxxxxx>

spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Guobin Huang <huangguobin4@xxxxxxxxxx>
---
drivers/pci/hotplug/cpqphp_nvram.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c
index 00cd2b43364f..7a65d427ac11 100644
--- a/drivers/pci/hotplug/cpqphp_nvram.c
+++ b/drivers/pci/hotplug/cpqphp_nvram.c
@@ -80,7 +80,7 @@ static u8 evbuffer[1024];
static void __iomem *compaq_int15_entry_point;

/* lock for ordering int15_bios_call() */
-static spinlock_t int15_lock;
+static DEFINE_SPINLOCK(int15_lock);


/* This is a series of function that deals with
@@ -415,9 +415,6 @@ void compaq_nvram_init(void __iomem *rom_start)
compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR);

dbg("int15 entry = %p\n", compaq_int15_entry_point);
-
- /* initialize our int15 lock */
- spin_lock_init(&int15_lock);
}