diff options
| author | Tomasz Figa | 2012-10-11 10:11:14 +0200 |
|---|---|---|
| committer | Linus Walleij | 2012-10-15 09:10:12 +0200 |
| commit | 6defe9a0ddc59aa2302473aa3c8b3fdb543fdc1b (patch) | |
| tree | b02012ccec313a8833676060fb9f648e5e7f4700 /drivers/pinctrl | |
| parent | pinctrl: samsung: Match pin banks with their device nodes (diff) | |
| download | kernel-qcow2-linux-6defe9a0ddc59aa2302473aa3c8b3fdb543fdc1b.tar.gz kernel-qcow2-linux-6defe9a0ddc59aa2302473aa3c8b3fdb543fdc1b.tar.xz kernel-qcow2-linux-6defe9a0ddc59aa2302473aa3c8b3fdb543fdc1b.zip | |
pinctrl: samsung: Hold pointer to driver data in bank struct
This patch is a preparation for converting the pinctrl-samsung driver to
one GPIO chip and IRQ domain per bank. It allows one having only
a pointer to particular bank struct to access driver data struct.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-samsung.c | 18 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-samsung.h | 2 |
2 files changed, 12 insertions, 8 deletions
diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c index f266710a1b04..53493c3c35ff 100644 --- a/drivers/pinctrl/pinctrl-samsung.c +++ b/drivers/pinctrl/pinctrl-samsung.c @@ -789,17 +789,18 @@ static const struct of_device_id samsung_pinctrl_dt_match[]; /* retrieve the soc specific data */ static struct samsung_pin_ctrl *samsung_pinctrl_get_soc_data( + struct samsung_pinctrl_drv_data *d, struct platform_device *pdev) { int id; const struct of_device_id *match; - const struct device_node *node = pdev->dev.of_node; + struct device_node *node = pdev->dev.of_node; struct device_node *np; struct samsung_pin_ctrl *ctrl; struct samsung_pin_bank *bank; int i; - id = of_alias_get_id(pdev->dev.of_node, "pinctrl"); + id = of_alias_get_id(node, "pinctrl"); if (id < 0) { dev_err(&pdev->dev, "failed to get alias id\n"); return NULL; @@ -809,6 +810,7 @@ static struct samsung_pin_ctrl *samsung_pinctrl_get_soc_data( bank = ctrl->pin_banks; for (i = 0; i < ctrl->nr_banks; ++i, ++bank) { + bank->drvdata = d; bank->pin_base = ctrl->nr_pins; ctrl->nr_pins += bank->nr_pins; if (bank->eint_type == EINT_TYPE_GPIO) { @@ -848,18 +850,18 @@ static int __devinit samsung_pinctrl_probe(struct platform_device *pdev) return -ENODEV; } - ctrl = samsung_pinctrl_get_soc_data(pdev); - if (!ctrl) { - dev_err(&pdev->dev, "driver data not available\n"); - return -EINVAL; - } - drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL); if (!drvdata) { dev_err(dev, "failed to allocate memory for driver's " "private data\n"); return -ENOMEM; } + + ctrl = samsung_pinctrl_get_soc_data(drvdata, pdev); + if (!ctrl) { + dev_err(&pdev->dev, "driver data not available\n"); + return -EINVAL; + } drvdata->ctrl = ctrl; drvdata->dev = dev; diff --git a/drivers/pinctrl/pinctrl-samsung.h b/drivers/pinctrl/pinctrl-samsung.h index 5c53f32cca06..ea5dadd35913 100644 --- a/drivers/pinctrl/pinctrl-samsung.h +++ b/drivers/pinctrl/pinctrl-samsung.h @@ -112,6 +112,7 @@ struct samsung_pinctrl_drv_data; * @irq_base: starting controller local irq number of the bank. * @name: name to be prefixed for each pin in this pin bank. * @of_node: OF node of the bank. + * @drvdata: link to controller driver data */ struct samsung_pin_bank { u32 pctl_offset; @@ -126,6 +127,7 @@ struct samsung_pin_bank { u32 irq_base; char *name; struct device_node *of_node; + struct samsung_pinctrl_drv_data *drvdata; }; /** |