Re: [PATCH RESEND 1/4] clk: clk-s2mps11: Refactor for including support forother MFD clocks

From: Mike Turquette
Date: Sun Dec 29 2013 - 17:17:57 EST


Quoting Tushar Behera (2013-12-26 02:18:58)
> The clocks in S2MPS11 and S5M8767 are managed in the same way, baring
> a difference in the register offset. It would be better to update
> existing S2MPS11 driver to support the clocks in S5M8767, rather than
> creating an almost duplicate driver altogether.

Can you rebase patches #1 & #2 onto clk-next? They do not apply cleanly
as-is.

Regards,
Mike

>
> Signed-off-by: Tushar Behera <tushar.behera@xxxxxxxxxx>
> Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
> Reviewed-by: Yadwinder Singh Brar <yadi.brar@xxxxxxxxxxx>
> CC: Mike Turquette <mturquette@xxxxxxxxxx>
> ---
> drivers/clk/clk-s2mps11.c | 20 ++++++++++++++++----
> 1 file changed, 16 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
> index 00a3abe..43e25bb 100644
> --- a/drivers/clk/clk-s2mps11.c
> +++ b/drivers/clk/clk-s2mps11.c
> @@ -48,6 +48,7 @@ struct s2mps11_clk {
> struct clk_lookup *lookup;
> u32 mask;
> bool enabled;
> + unsigned int reg;
> };
>
> static struct s2mps11_clk *to_s2mps11_clk(struct clk_hw *hw)
> @@ -61,7 +62,7 @@ static int s2mps11_clk_prepare(struct clk_hw *hw)
> int ret;
>
> ret = regmap_update_bits(s2mps11->iodev->regmap_pmic,
> - S2MPS11_REG_RTC_CTRL,
> + s2mps11->reg,
> s2mps11->mask, s2mps11->mask);
> if (!ret)
> s2mps11->enabled = true;
> @@ -74,7 +75,7 @@ static void s2mps11_clk_unprepare(struct clk_hw *hw)
> struct s2mps11_clk *s2mps11 = to_s2mps11_clk(hw);
> int ret;
>
> - ret = regmap_update_bits(s2mps11->iodev->regmap_pmic, S2MPS11_REG_RTC_CTRL,
> + ret = regmap_update_bits(s2mps11->iodev->regmap_pmic, s2mps11->reg,
> s2mps11->mask, ~s2mps11->mask);
>
> if (!ret)
> @@ -155,6 +156,7 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
> struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
> struct s2mps11_clk *s2mps11_clks, *s2mps11_clk;
> struct device_node *clk_np = NULL;
> + unsigned int s2mps11_reg;
> int i, ret = 0;
> u32 val;
>
> @@ -169,13 +171,23 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
> if (IS_ERR(clk_np))
> return PTR_ERR(clk_np);
>
> + switch(platform_get_device_id(pdev)->driver_data) {
> + case S2MPS11X:
> + s2mps11_reg = S2MPS11_REG_RTC_CTRL;
> + break;
> + default:
> + dev_err(&pdev->dev, "Invalid device type\n");
> + return -EINVAL;
> + };
> +
> for (i = 0; i < S2MPS11_CLKS_NUM; i++, s2mps11_clk++) {
> s2mps11_clk->iodev = iodev;
> s2mps11_clk->hw.init = &s2mps11_clks_init[i];
> s2mps11_clk->mask = 1 << i;
> + s2mps11_clk->reg = s2mps11_reg;
>
> ret = regmap_read(s2mps11_clk->iodev->regmap_pmic,
> - S2MPS11_REG_RTC_CTRL, &val);
> + s2mps11_clk->reg, &val);
> if (ret < 0)
> goto err_reg;
>
> @@ -241,7 +253,7 @@ static int s2mps11_clk_remove(struct platform_device *pdev)
> }
>
> static const struct platform_device_id s2mps11_clk_id[] = {
> - { "s2mps11-clk", 0},
> + { "s2mps11-clk", S2MPS11X},
> { },
> };
> MODULE_DEVICE_TABLE(platform, s2mps11_clk_id);
> --
> 1.7.9.5
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/