ARM: footbridge: Convert timers to use timer_setup()

PATCH New Kees Cook 1 participant 1 message Oct 25, 2017

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Arm (32-bit) Arm sub-architectures Arm/footbridge architecture

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Kees Cook

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2017-10-25 10:21 UTC #0 lore raw

PATCH 1/1 ARM: footbridge: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly.

Cc Russell King <[email protected]>

Cc linux-arm-kernel at lists.infradead.org

Signed-off-by Kees Cook <[email protected]>

---
 arch/arm/mach-footbridge/dc21285.c | 26 ++++++++------------------
 1 file changed, 8 insertions(+), 18 deletions(-)

arch/arm/mach-footbridge/dc21285.c +8 ~~-18~~

index 96a3d73ef4bf..8407e4a07c77 100644
@@ -136,19 +136,14 @@ struct pci_ops dc21285_ops = {
 static struct timer_list serr_timer;
 static struct timer_list perr_timer;
 
-static void dc21285_enable_error(unsigned long __data)
+static void dc21285_enable_error(struct timer_list *timer)
 {
-	switch (__data) {
-	case IRQ_PCI_SERR:
-		del_timer(&serr_timer);
-		break;
-
-	case IRQ_PCI_PERR:
-		del_timer(&perr_timer);
-		break;
-	}
+	del_timer(timer);
 
-	enable_irq(__data);
+	if (timer == &serr_timer)
+		enable_irq(IRQ_PCI_SERR)
+	else if (timer == &perr_timer)
+		enable_irq(IRQ_PCI_PERR);
 }
 
 /*

@@ -323,13 +318,8 @@ void __init dc21285_preinit(void)
 		*CSR_PCICMD = (*CSR_PCICMD & 0xffff) | PCICMD_ERROR_BITS;
 	}
 
-	init_timer(&serr_timer);
-	init_timer(&perr_timer);
-
-	serr_timer.data = IRQ_PCI_SERR;
-	serr_timer.function = dc21285_enable_error;
-	perr_timer.data = IRQ_PCI_PERR;
-	perr_timer.function = dc21285_enable_error;
+	timer_setup(&serr_timer, dc21285_enable_error, 0);
+	timer_setup(&perr_timer, dc21285_enable_error, 0);
 
 	/*
 	 * We don't care if these fail.

Signature · 6 lines

2.7.4


-- 
Kees Cook
Pixel Security