i2c: designware-pci: clarify a comment for Merrifield
There are more than 7 busses, but only 7 are user visible. Update comment
accordingly.
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index b66c31a..96f8230 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -125,10 +125,10 @@
static int mrfld_setup(struct pci_dev *pdev, struct dw_pci_controller *c)
{
/*
- * On Intel Merrifield the i2c busses are enumerated [1..7]. So, we add
- * 1 to shift the default range. Besides that the first PCI slot
- * provides 4 functions, that's why we have to add 0 to the head slot
- * and 4 to the tail one.
+ * On Intel Merrifield the user visible i2c busses are enumerated
+ * [1..7]. So, we add 1 to shift the default range. Besides that the
+ * first PCI slot provides 4 functions, that's why we have to add 0 to
+ * the first slot and 4 to the next one.
*/
switch (PCI_SLOT(pdev->devfn)) {
case 8: