drivers/char/hw_random/ks-sa-rng.c

115

struct ks_sa_rng *ks_sa_rng = container_of(rng, struct ks_sa_rng, rng);

drivers/char/hw_random/ks-sa-rng.c

116

unsigned long clk_rate = clk_get_rate(ks_sa_rng->clk);

drivers/char/hw_random/ks-sa-rng.c

119

regmap_write_bits(ks_sa_rng->regmap_cfg, SA_CMD_STATUS_OFS,

drivers/char/hw_random/ks-sa-rng.c

124

writel(0, &ks_sa_rng->reg_rng->control);

drivers/char/hw_random/ks-sa-rng.c

126

writel(value, &ks_sa_rng->reg_rng->control);

drivers/char/hw_random/ks-sa-rng.c

135

writel(value, &ks_sa_rng->reg_rng->config);

drivers/char/hw_random/ks-sa-rng.c

138

writel(0, &ks_sa_rng->reg_rng->intmask);

drivers/char/hw_random/ks-sa-rng.c

141

value = readl(&ks_sa_rng->reg_rng->control);

drivers/char/hw_random/ks-sa-rng.c

143

writel(value, &ks_sa_rng->reg_rng->control);

drivers/char/hw_random/ks-sa-rng.c

145

ks_sa_rng->refill_delay_ns = refill_delay_ns(clk_rate);

drivers/char/hw_random/ks-sa-rng.c

146

ks_sa_rng->ready_ts = ktime_get_ns() +

drivers/char/hw_random/ks-sa-rng.c

154

struct ks_sa_rng *ks_sa_rng = container_of(rng, struct ks_sa_rng, rng);

drivers/char/hw_random/ks-sa-rng.c

157

writel(0, &ks_sa_rng->reg_rng->control);

drivers/char/hw_random/ks-sa-rng.c

158

regmap_write_bits(ks_sa_rng->regmap_cfg, SA_CMD_STATUS_OFS,

drivers/char/hw_random/ks-sa-rng.c

164

struct ks_sa_rng *ks_sa_rng = container_of(rng, struct ks_sa_rng, rng);

drivers/char/hw_random/ks-sa-rng.c

167

data[0] = readl(&ks_sa_rng->reg_rng->output_l);

drivers/char/hw_random/ks-sa-rng.c

168

data[1] = readl(&ks_sa_rng->reg_rng->output_h);

drivers/char/hw_random/ks-sa-rng.c

170

writel(TRNG_INTACK_REG_READY, &ks_sa_rng->reg_rng->intack);

drivers/char/hw_random/ks-sa-rng.c

171

ks_sa_rng->ready_ts = ktime_get_ns() + ks_sa_rng->refill_delay_ns;

drivers/char/hw_random/ks-sa-rng.c

178

struct ks_sa_rng *ks_sa_rng = container_of(rng, struct ks_sa_rng, rng);

drivers/char/hw_random/ks-sa-rng.c

184

if (wait && now < ks_sa_rng->ready_ts) {

drivers/char/hw_random/ks-sa-rng.c

187

DIV_ROUND_UP((u32)(ks_sa_rng->ready_ts - now), 1000);

drivers/char/hw_random/ks-sa-rng.c

193

ready = readl(&ks_sa_rng->reg_rng->status);

drivers/char/hw_random/ks-sa-rng.c

207

struct ks_sa_rng *ks_sa_rng;

drivers/char/hw_random/ks-sa-rng.c

211

ks_sa_rng = devm_kzalloc(dev, sizeof(*ks_sa_rng), GFP_KERNEL);

drivers/char/hw_random/ks-sa-rng.c

212

if (!ks_sa_rng)

drivers/char/hw_random/ks-sa-rng.c

215

ks_sa_rng->rng = (struct hwrng) {

drivers/char/hw_random/ks-sa-rng.c

223

ks_sa_rng->reg_rng = devm_platform_ioremap_resource(pdev, 0);

drivers/char/hw_random/ks-sa-rng.c

224

if (IS_ERR(ks_sa_rng->reg_rng))

drivers/char/hw_random/ks-sa-rng.c

225

return PTR_ERR(ks_sa_rng->reg_rng);

drivers/char/hw_random/ks-sa-rng.c

227

ks_sa_rng->regmap_cfg =

drivers/char/hw_random/ks-sa-rng.c

231

if (IS_ERR(ks_sa_rng->regmap_cfg))

drivers/char/hw_random/ks-sa-rng.c

234

ks_sa_rng->clk = devm_clk_get_enabled(dev, NULL);

drivers/char/hw_random/ks-sa-rng.c

235

if (IS_ERR(ks_sa_rng->clk))

drivers/char/hw_random/ks-sa-rng.c

236

return dev_err_probe(dev, PTR_ERR(ks_sa_rng->clk), "Failed to get clock\n");

drivers/char/hw_random/ks-sa-rng.c

245

return devm_hwrng_register(&pdev->dev, &ks_sa_rng->rng);