regmap: Implement support for 32 bit registers and values (7d5e525b) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/base/regmap/regcache.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -372,6 +372,13 @@ bool regcache_set_val(void *base, unsigned int idx,
		cache[idx] = val;
		break;
		}
		case 4: {
		u32 *cache = base;
		if (cache[idx] == val)
		return true;
		cache[idx] = val;
		break;
		}
		default:
		BUG();
		}
		@@ -393,6 +400,10 @@ unsigned int regcache_get_val(const void *base, unsigned int idx,
		const u16 *cache = base;
		return cache[idx];
		}
		case 4: {
		const u32 *cache = base;
		return cache[idx];
		}
		default:
		BUG();
		}

+24 −0

Original line number	Diff line number	Diff line
		@@ -125,6 +125,13 @@ static void regmap_format_16(void *buf, unsigned int val)
		b[0] = cpu_to_be16(val);
		}

		static void regmap_format_32(void *buf, unsigned int val)
		{
		__be32 *b = buf;

		b[0] = cpu_to_be32(val);
		}

		static unsigned int regmap_parse_8(void *buf)
		{
		u8 *b = buf;
		@@ -141,6 +148,15 @@ static unsigned int regmap_parse_16(void *buf)
		return b[0];
		}

		static unsigned int regmap_parse_32(void *buf)
		{
		__be32 *b = buf;

		b[0] = be32_to_cpu(b[0]);

		return b[0];
		}

		/**
		* regmap_init(): Initialise register map
		*
		@@ -239,6 +255,10 @@ struct regmap regmap_init(struct device dev,
		map->format.format_reg = regmap_format_16;
		break;

		case 32:
		map->format.format_reg = regmap_format_32;
		break;

		default:
		goto err_map;
		}
		@@ -252,6 +272,10 @@ struct regmap regmap_init(struct device dev,
		map->format.format_val = regmap_format_16;
		map->format.parse_val = regmap_parse_16;
		break;
		case 32:
		map->format.format_val = regmap_format_32;
		map->format.parse_val = regmap_parse_32;
		break;
		}

		if (!map->format.format_write &&