mmc_pwrseq_emmc
#define to_pwrseq_emmc(p) container_of(p, struct mmc_pwrseq_emmc, pwrseq)
struct mmc_pwrseq_emmc *pwrseq = to_pwrseq_emmc(host->pwrseq);
struct mmc_pwrseq_emmc *pwrseq = container_of(this,
struct mmc_pwrseq_emmc, reset_nb);
struct mmc_pwrseq_emmc *pwrseq;
struct mmc_pwrseq_emmc *pwrseq = platform_get_drvdata(pdev);