From: Manisha Agrawal manisha.agrawal@ti.com
Migrated the gpio APIs to descriptor-interface based.
Signed-off-by: Manisha Agrawal manisha.agrawal@ti.com Acked-by: Tomi Valkeinen tomi.valkeinen@ti.com Acked-by: Laurent Pinchart laurent.pinchart@ideasonboard.com --- .../gpu/drm/omapdrm/displays/encoder-tpd12s015.c | 79 ++++++++-------------- 1 file changed, 28 insertions(+), 51 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c index 49fbad03a814..7fa80f5b4c6b 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c @@ -13,9 +13,8 @@ #include <linux/delay.h> #include <linux/module.h> #include <linux/slab.h> -#include <linux/gpio.h> #include <linux/platform_device.h> -#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h>
#include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -24,9 +23,9 @@ struct panel_drv_data { struct omap_dss_device dssdev; struct omap_dss_device *in;
- int ct_cp_hpd_gpio; - int ls_oe_gpio; - int hpd_gpio; + struct gpio_desc *ct_cp_hpd_gpio; + struct gpio_desc *ls_oe_gpio; + struct gpio_desc *hpd_gpio;
struct omap_video_timings timings; }; @@ -47,7 +46,7 @@ static int tpd_connect(struct omap_dss_device *dssdev, dst->src = dssdev; dssdev->dst = dst;
- gpio_set_value_cansleep(ddata->ct_cp_hpd_gpio, 1); + gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 1); /* DC-DC converter needs at max 300us to get to 90% of 5V */ udelay(300);
@@ -65,7 +64,7 @@ static void tpd_disconnect(struct omap_dss_device *dssdev, if (dst != dssdev->dst) return;
- gpio_set_value_cansleep(ddata->ct_cp_hpd_gpio, 0); + gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 0);
dst->src = NULL; dssdev->dst = NULL; @@ -145,16 +144,14 @@ static int tpd_read_edid(struct omap_dss_device *dssdev, struct omap_dss_device *in = ddata->in; int r;
- if (!gpio_get_value_cansleep(ddata->hpd_gpio)) + if (!gpiod_get_value_cansleep(ddata->hpd_gpio)) return -ENODEV;
- if (gpio_is_valid(ddata->ls_oe_gpio)) - gpio_set_value_cansleep(ddata->ls_oe_gpio, 1); + gpiod_set_value_cansleep(ddata->ls_oe_gpio, 1);
r = in->ops.hdmi->read_edid(in, edid, len);
- if (gpio_is_valid(ddata->ls_oe_gpio)) - gpio_set_value_cansleep(ddata->ls_oe_gpio, 0); + gpiod_set_value_cansleep(ddata->ls_oe_gpio, 0);
return r; } @@ -163,7 +160,7 @@ static bool tpd_detect(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev);
- return gpio_get_value_cansleep(ddata->hpd_gpio); + return gpiod_get_value_cansleep(ddata->hpd_gpio); }
static int tpd_set_infoframe(struct omap_dss_device *dssdev, @@ -206,32 +203,6 @@ static int tpd_probe_of(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct device_node *node = pdev->dev.of_node; struct omap_dss_device *in; - int gpio; - - /* CT CP HPD GPIO */ - gpio = of_get_gpio(node, 0); - if (!gpio_is_valid(gpio)) { - dev_err(&pdev->dev, "failed to parse CT CP HPD gpio\n"); - return gpio; - } - ddata->ct_cp_hpd_gpio = gpio; - - /* LS OE GPIO */ - gpio = of_get_gpio(node, 1); - if (gpio_is_valid(gpio) || gpio == -ENOENT) { - ddata->ls_oe_gpio = gpio; - } else { - dev_err(&pdev->dev, "failed to parse LS OE gpio\n"); - return gpio; - } - - /* HPD GPIO */ - gpio = of_get_gpio(node, 2); - if (!gpio_is_valid(gpio)) { - dev_err(&pdev->dev, "failed to parse HPD gpio\n"); - return gpio; - } - ddata->hpd_gpio = gpio;
in = omapdss_of_find_source_for_first_ep(node); if (IS_ERR(in)) { @@ -249,6 +220,7 @@ static int tpd_probe(struct platform_device *pdev) struct omap_dss_device *in, *dssdev; struct panel_drv_data *ddata; int r; + struct gpio_desc *gpio;
ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); if (!ddata) @@ -263,23 +235,28 @@ static int tpd_probe(struct platform_device *pdev) if (r) return r;
- r = devm_gpio_request_one(&pdev->dev, ddata->ct_cp_hpd_gpio, - GPIOF_OUT_INIT_LOW, "hdmi_ct_cp_hpd"); - if (r) + + gpio = devm_gpiod_get_index(&pdev->dev, NULL, 0, + GPIOD_OUT_LOW); + if (IS_ERR(gpio)) goto err_gpio;
- if (gpio_is_valid(ddata->ls_oe_gpio)) { - r = devm_gpio_request_one(&pdev->dev, ddata->ls_oe_gpio, - GPIOF_OUT_INIT_LOW, "hdmi_ls_oe"); - if (r) - goto err_gpio; - } + ddata->ct_cp_hpd_gpio = gpio;
- r = devm_gpio_request_one(&pdev->dev, ddata->hpd_gpio, - GPIOF_DIR_IN, "hdmi_hpd"); - if (r) + gpio = devm_gpiod_get_index_optional(&pdev->dev, NULL, 1, + GPIOD_OUT_LOW); + if (IS_ERR(gpio)) goto err_gpio;
+ ddata->ls_oe_gpio = gpio; + + gpio = devm_gpiod_get_index(&pdev->dev, NULL, 2, + GPIOD_IN); + if (IS_ERR(gpio)) + goto err_gpio; + + ddata->hpd_gpio = gpio; + dssdev = &ddata->dssdev; dssdev->ops.hdmi = &tpd_hdmi_ops; dssdev->dev = &pdev->dev;