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i2c: aspeed: fix build warning

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Upstream commit 3e9efc3299 ("i2c: aspeed: Handle master/slave combined irq events
properly") reworked the interrupt handling and fixed a warning in the process:

drivers/i2c/busses/i2c-aspeed.c: In function 'aspeed_i2c_bus_irq':
drivers/i2c/busses/i2c-aspeed.c:567:1: error: label 'out' defined but not used [-Werror=unused-label]

The warning is still present in v4.19.8 and can be fixed either by applying
that original patch, or by adding a simple #ifdef.

Here, I choose the second simpler option as the original patch seems too
invasive for a stable backport.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Arnd Bergmann 2018-12-14 23:10:10 +01:00 committed by Greg Kroah-Hartman
parent 340a904a19
commit cd50eeeb66
1 changed files with 3 additions and 1 deletions
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4
drivers/i2c/busses/i2c-aspeed.c
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@ -555,7 +555,7 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id)
spin_lock(&bus->lock);
#if IS_ENABLED(CONFIG_I2C_SLAVE)
if (aspeed_i2c_slave_irq(bus)) {
if (IS_ENABLED(CONFIG_I2C_SLAVE) && aspeed_i2c_slave_irq(bus)) {
dev_dbg(bus->dev, "irq handled by slave.\n");
ret = true;
goto out;
@ -564,7 +564,9 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id)
ret = aspeed_i2c_master_irq(bus);
#if IS_ENABLED(CONFIG_I2C_SLAVE)
out:
#endif
spin_unlock(&bus->lock);
return ret ? IRQ_HANDLED : IRQ_NONE;
}