struct pci_dev already has a flag to track if MSI is enabled or not. Use it
directly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-ismt.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index 570b0a0..6c2058d 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -172,7 +172,6 @@ struct ismt_priv {
u8 head; /* ring buffer head pointer */
struct completion cmp; /* interrupt completion */
u8 dma_buffer[I2C_SMBUS_BLOCK_MAX + 1]; /* temp R/W data buffer */
- bool using_msi; /* type of interrupt flag */
};
/**
@@ -398,7 +397,7 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
desc->tgtaddr_rw = ISMT_DESC_ADDR_RW(addr, read_write);
/* Initialize common control bits */
- if (likely(priv->using_msi))
+ if (likely(pci_dev_msi_enabled(priv->pci_dev)))
desc->control = ISMT_DESC_INT | ISMT_DESC_FAIR;
else
desc->control = ISMT_DESC_FAIR;
@@ -806,7 +805,6 @@ static int ismt_int_init(struct ismt_priv *priv)
goto intx;
}
- priv->using_msi = true;
goto done;
/* Try using legacy interrupts */
@@ -822,8 +820,6 @@ intx:
return -ENODEV;
}
- priv->using_msi = false;
-
done:
return 0;
}
--
2.5.1
--
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