[PATCH v1 3/5] video: ssd1307fb: Make use of device properties
Bartlomiej Zolnierkiewicz
b.zolnierkie at samsung.com
Fri Apr 17 14:07:36 UTC 2020
[ added dri-devel ML to Cc: ]
On 3/24/20 6:05 PM, Andy Shevchenko wrote:
> Device property API allows to gather device resources from different sources,
> such as ACPI. Convert the drivers to unleash the power of device property API.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
Patch queued for v5.8, thanks.
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
> ---
> drivers/video/fbdev/ssd1307fb.c | 40 ++++++++++++++++-----------------
> 1 file changed, 19 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
> index 84dfd7b0f682..7a6a44a0b7a6 100644
> --- a/drivers/video/fbdev/ssd1307fb.c
> +++ b/drivers/video/fbdev/ssd1307fb.c
> @@ -12,8 +12,7 @@
> #include <linux/i2c.h>
> #include <linux/kernel.h>
> #include <linux/module.h>
> -#include <linux/of_device.h>
> -#include <linux/of_gpio.h>
> +#include <linux/property.h>
> #include <linux/pwm.h>
> #include <linux/uaccess.h>
> #include <linux/regulator/consumer.h>
> @@ -592,7 +591,6 @@ static int ssd1307fb_probe(struct i2c_client *client)
> struct backlight_device *bl;
> char bl_name[12];
> struct fb_info *info;
> - struct device_node *node = client->dev.of_node;
> struct fb_deferred_io *ssd1307fb_defio;
> u32 vmem_size;
> struct ssd1307fb_par *par;
> @@ -607,7 +605,7 @@ static int ssd1307fb_probe(struct i2c_client *client)
> par->info = info;
> par->client = client;
>
> - par->device_info = of_device_get_match_data(&client->dev);
> + par->device_info = device_get_match_data(dev);
>
> par->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
> if (IS_ERR(par->reset)) {
> @@ -627,44 +625,44 @@ static int ssd1307fb_probe(struct i2c_client *client)
> }
> }
>
> - if (of_property_read_u32(node, "solomon,width", &par->width))
> + if (device_property_read_u32(dev, "solomon,width", &par->width))
> par->width = 96;
>
> - if (of_property_read_u32(node, "solomon,height", &par->height))
> + if (device_property_read_u32(dev, "solomon,height", &par->height))
> par->height = 16;
>
> - if (of_property_read_u32(node, "solomon,page-offset", &par->page_offset))
> + if (device_property_read_u32(dev, "solomon,page-offset", &par->page_offset))
> par->page_offset = 1;
>
> - if (of_property_read_u32(node, "solomon,com-offset", &par->com_offset))
> + if (device_property_read_u32(dev, "solomon,com-offset", &par->com_offset))
> par->com_offset = 0;
>
> - if (of_property_read_u32(node, "solomon,prechargep1", &par->prechargep1))
> + if (device_property_read_u32(dev, "solomon,prechargep1", &par->prechargep1))
> par->prechargep1 = 2;
>
> - if (of_property_read_u32(node, "solomon,prechargep2", &par->prechargep2))
> + if (device_property_read_u32(dev, "solomon,prechargep2", &par->prechargep2))
> par->prechargep2 = 2;
>
> - if (!of_property_read_u8_array(node, "solomon,lookup-table",
> - par->lookup_table,
> - ARRAY_SIZE(par->lookup_table)))
> + if (!device_property_read_u8_array(dev, "solomon,lookup-table",
> + par->lookup_table,
> + ARRAY_SIZE(par->lookup_table)))
> par->lookup_table_set = 1;
>
> - par->seg_remap = !of_property_read_bool(node, "solomon,segment-no-remap");
> - par->com_seq = of_property_read_bool(node, "solomon,com-seq");
> - par->com_lrremap = of_property_read_bool(node, "solomon,com-lrremap");
> - par->com_invdir = of_property_read_bool(node, "solomon,com-invdir");
> + par->seg_remap = !device_property_read_bool(dev, "solomon,segment-no-remap");
> + par->com_seq = device_property_read_bool(dev, "solomon,com-seq");
> + par->com_lrremap = device_property_read_bool(dev, "solomon,com-lrremap");
> + par->com_invdir = device_property_read_bool(dev, "solomon,com-invdir");
> par->area_color_enable =
> - of_property_read_bool(node, "solomon,area-color-enable");
> - par->low_power = of_property_read_bool(node, "solomon,low-power");
> + device_property_read_bool(dev, "solomon,area-color-enable");
> + par->low_power = device_property_read_bool(dev, "solomon,low-power");
>
> par->contrast = 127;
> par->vcomh = par->device_info->default_vcomh;
>
> /* Setup display timing */
> - if (of_property_read_u32(node, "solomon,dclk-div", &par->dclk_div))
> + if (device_property_read_u32(dev, "solomon,dclk-div", &par->dclk_div))
> par->dclk_div = par->device_info->default_dclk_div;
> - if (of_property_read_u32(node, "solomon,dclk-frq", &par->dclk_frq))
> + if (device_property_read_u32(dev, "solomon,dclk-frq", &par->dclk_frq))
> par->dclk_frq = par->device_info->default_dclk_frq;
>
> vmem_size = DIV_ROUND_UP(par->width, 8) * par->height;
>
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