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authorJulia Lawall <Julia.Lawall@lip6.fr>2017-05-04 22:10:49 +0200
committerSebastian Reichel <sre@kernel.org>2017-05-15 15:28:14 +0200
commita463182031c122f91ccebc14f743654f12aa9cec (patch)
tree374a8355c531c84f115b179f99c04cfb001021bf /drivers/power
parentc94d4ed017ae6e2630647b917e775ab2fd8ea0f3 (diff)
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power: supply: axp20x_usb_power: Drop unnecessary static
Drop static on a local variable, when the variable is either first initialized or never used, on every possible execution path through the function. The static has no benefit, and dropping it reduces the code size. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @bad exists@ position p; identifier x; type T; @@ static T x@p; ... x = <+...x...+> @@ identifier x; expression e; type T; position p != bad.p; @@ -static T x@p; ... when != x when strict ?x = e; // </smpl> The change in code size is indicates by the following output from the size command. before: text data bss dec hex filename 2865 252 8 3125 c35 drivers/power/supply/axp20x_usb_power.o after: text data bss dec hex filename 2822 252 0 3074 c02 drivers/power/supply/axp20x_usb_power.o Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/supply/axp20x_usb_power.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c
index 2397c482656e..44f70dcea61e 100644
--- a/drivers/power/supply/axp20x_usb_power.c
+++ b/drivers/power/supply/axp20x_usb_power.c
@@ -339,7 +339,7 @@ static int axp20x_usb_power_probe(struct platform_device *pdev)
"VBUS_REMOVAL", "VBUS_VALID", "VBUS_NOT_VALID", NULL };
static const char * const axp22x_irq_names[] = {
"VBUS_PLUGIN", "VBUS_REMOVAL", NULL };
- static const char * const *irq_names;
+ const char * const *irq_names;
const struct power_supply_desc *usb_power_desc;
int i, irq, ret;