From 72915994e028912add23afce7f16ebd06d2dc73e Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Tue, 24 Mar 2020 19:05:30 +0200 Subject: [PATCH] video: ssd1307fb: Make use of device properties 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 Signed-off-by: Bartlomiej Zolnierkiewicz Link: https://patchwork.freedesktop.org/patch/msgid/20200324170532.44384-3-andriy.shevchenko@linux.intel.com --- 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 13f5b2f347ce..1b91fa98863c 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -12,8 +12,7 @@ #include #include #include -#include -#include +#include #include #include #include @@ -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)) { @@ -628,44 +626,44 @@ 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;