On Fri, 2015-10-09 at 16:47 +0800, wangxfdu@xxxxxxxxx wrote:
> From: Xiang Wang <xiang.a.wang@xxxxxxxxx>
>
> 1. Support setting hs_hcnt and hs_lcnt
> 2. Get bus speed mode from ACPI companion of the
> i2c controller.
>
> Signed-off-by: Xiang Wang <xiang.a.wang@xxxxxxxxx>
> ---
> drivers/i2c/busses/i2c-designware-pcidrv.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c
> b/drivers/i2c/busses/i2c-designware-pcidrv.c
> index 6643d2d..0f4c0c4 100644
> --- a/drivers/i2c/busses/i2c-designware-pcidrv.c
> +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
> @@ -54,8 +54,10 @@ enum dw_pci_ctl_id_t {
> struct dw_scl_sda_cfg {
> u32 ss_hcnt;
> u32 fs_hcnt;
> + u32 hs_hcnt;
> u32 ss_lcnt;
> u32 fs_lcnt;
> + u32 hs_lcnt;
> u32 sda_hold;
> };
>
> @@ -237,8 +239,10 @@ static int i2c_dw_pci_probe(struct pci_dev
> *pdev,
> cfg = controller->scl_sda_cfg;
> dev->ss_hcnt = cfg->ss_hcnt;
> dev->fs_hcnt = cfg->fs_hcnt;
> + dev->hs_hcnt = cfg->hs_hcnt;
> dev->ss_lcnt = cfg->ss_lcnt;
> dev->fs_lcnt = cfg->fs_lcnt;
> + dev->hs_lcnt = cfg->hs_lcnt;
> dev->sda_hold_time = cfg->sda_hold;
> }
>
> @@ -246,6 +250,9 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
>
> dev->tx_fifo_depth = controller->tx_fifo_depth;
> dev->rx_fifo_depth = controller->rx_fifo_depth;
> +
> + i2c_dw_acpi_setup_speed(&pdev->dev, dev);
Don't see a relationship between PCI driver and this ACPI stuff.
> +
> r = i2c_dw_init(dev);
> if (r)
> return r;
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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