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i2c: ismt: issue a warning when fail to request MSI 

Issue the warning in all error paths when unable to register MSI or its
handler.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Andy Shevchenko 2015-09-16 17:24:02 +03:00 committed by Wolfram Sang
parent 6befa6dd8d
commit 064181b00e
1 changed files with 5 additions and 6 deletions
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11
drivers/i2c/busses/i2c-ismt.c
View File

@ -788,11 +788,8 @@ static int ismt_int_init(struct ismt_priv *priv)
/* Try using MSI interrupts */
err = pci_enable_msi(priv->pci_dev);
if (err) {
dev_warn(&priv->pci_dev->dev,
"Unable to use MSI interrupts, falling back to legacy\n");
if (err)
goto intx;
}
err = devm_request_irq(&priv->pci_dev->dev,
priv->pci_dev->irq,
@ -805,10 +802,13 @@ static int ismt_int_init(struct ismt_priv *priv)
goto intx;
}
goto done;
return 0;
/* Try using legacy interrupts */
intx:
dev_warn(&priv->pci_dev->dev,
"Unable to use MSI interrupts, falling back to legacy\n");
err = devm_request_irq(&priv->pci_dev->dev,
priv->pci_dev->irq,
ismt_do_interrupt,
@ -820,7 +820,6 @@ static int ismt_int_init(struct ismt_priv *priv)
return err;
}
done:
return 0;
}