p2wi
p2wi->status = status;
writel(status, p2wi->regs + P2WI_INTS);
complete(&p2wi->complete);
struct p2wi *p2wi = i2c_get_adapdata(adap);
if (p2wi->target_addr >= 0 && addr != p2wi->target_addr) {
writel(command, p2wi->regs + P2WI_DADDR0);
writel(data->byte, p2wi->regs + P2WI_DATA0);
writel(dlen, p2wi->regs + P2WI_DLEN);
if (readl(p2wi->regs + P2WI_CTRL) & P2WI_CTRL_START_TRANS) {
reinit_completion(&p2wi->complete);
p2wi->regs + P2WI_INTE);
p2wi->regs + P2WI_CTRL);
wait_for_completion(&p2wi->complete);
if (p2wi->status & P2WI_INTS_LOAD_BSY) {
if (p2wi->status & P2WI_INTS_TRANS_ERR) {
data->byte = readl(p2wi->regs + P2WI_DATA0);
struct p2wi *p2wi;
p2wi = devm_kzalloc(dev, sizeof(struct p2wi), GFP_KERNEL);
if (!p2wi)
p2wi->target_addr = -1;
p2wi->target_addr = target_addr;
p2wi->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(p2wi->regs))
return PTR_ERR(p2wi->regs);
strscpy(p2wi->adapter.name, pdev->name, sizeof(p2wi->adapter.name));
p2wi->clk = devm_clk_get_enabled(dev, NULL);
if (IS_ERR(p2wi->clk)) {
ret = PTR_ERR(p2wi->clk);
parent_clk_freq = clk_get_rate(p2wi->clk);
p2wi->rstc = devm_reset_control_get_exclusive(dev, NULL);
if (IS_ERR(p2wi->rstc)) {
p2wi->rstc);
return PTR_ERR(p2wi->rstc);
ret = reset_control_deassert(p2wi->rstc);
init_completion(&p2wi->complete);
p2wi->adapter.dev.parent = dev;
p2wi->adapter.algo = &p2wi_algo;
p2wi->adapter.owner = THIS_MODULE;
p2wi->adapter.dev.of_node = pdev->dev.of_node;
platform_set_drvdata(pdev, p2wi);
i2c_set_adapdata(&p2wi->adapter, p2wi);
ret = devm_request_irq(dev, irq, p2wi_interrupt, 0, pdev->name, p2wi);
writel(P2WI_CTRL_SOFT_RST, p2wi->regs + P2WI_CTRL);
p2wi->regs + P2WI_CCR);
ret = i2c_add_adapter(&p2wi->adapter);
reset_control_assert(p2wi->rstc);
struct p2wi *p2wi = platform_get_drvdata(dev);
reset_control_assert(p2wi->rstc);
i2c_del_adapter(&p2wi->adapter);
struct p2wi *p2wi = dev_id;
status = readl(p2wi->regs + P2WI_INTS);