PNP updates for 5.12-rc1

- Add printf annotation to a logging function (Tom Rix).
 
  - Use DEFINE_SPINLOCK() for defining a spinlock so as to initialize
    it statically (Zheng Yongjun).
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Merge tag 'pnp-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull PNP updates from Rafael Wysocki:
 "These make two janitorial changes of the code.

  Specifics:

   - Add printf annotation to a logging function (Tom Rix)

   - Use DEFINE_SPINLOCK() for defining a spinlock so as to initialize
     it statically (Zheng Yongjun)"

* tag 'pnp-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PNP: pnpbios: Use DEFINE_SPINLOCK() for spinlock
  PNP: add printf attribute to log function

drivers/pnp/interface.c

@@ -33,6 +33,7 @@ struct pnp_info_buffer {
 
 typedef struct pnp_info_buffer pnp_info_buffer_t;
 
+__printf(2, 3)
 static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt, ...)
 {
 	va_list args;

drivers/pnp/pnpbios/bioscalls.c

@@ -72,7 +72,7 @@ __visible u32 pnp_bios_fault_esp;
 __visible u32 pnp_bios_fault_eip;
 __visible u32 pnp_bios_is_utter_crap = 0;
 
-static spinlock_t pnp_bios_lock;
+static DEFINE_SPINLOCK(pnp_bios_lock);
 
 /*
  * Support Functions
@@ -473,7 +473,6 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header)
 {
 	int i;
 
-	spin_lock_init(&pnp_bios_lock);
 	pnp_bios_callpoint.offset = header->fields.pm16offset;
 	pnp_bios_callpoint.segment = PNP_CS16;