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i2c: designware-pci: clarify a comment for Merrifield

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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>
This commit is contained in:
Andy Shevchenko 2016-06-20 11:58:09 +03:00 committed by Wolfram Sang
parent 7b0ed334b8
commit ec2790e9d7
1 changed files with 4 additions and 4 deletions
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8
drivers/i2c/busses/i2c-designware-pcidrv.c
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@ -125,10 +125,10 @@ static int mfld_setup(struct pci_dev *pdev, struct dw_pci_controller *c)
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: