mmc: cqhci: add new cqhci_host_ops pre_enable() and post_disable() (887ba410) · Commits · 戴 / test

Add pre_enable() and post_disable() for cqhci_host_ops. Add hook functions before cqhci enable and after cqhci disable for platforms need them. Signed-off-by:

Chun-Hung Wu <chun-hung.wu@mediatek.com> Acked-by:

Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/1598520783-25250-2-git-send-email-chun-hung.wu@mediatek.com Signed-off-by:

Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/cqhci.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -376,6 +376,9 @@ static void cqhci_off(struct mmc_host *mmc)
		else
		pr_debug("%s: cqhci: CQE off\n", mmc_hostname(mmc));

		if (cq_host->ops->post_disable)
		cq_host->ops->post_disable(mmc);

		mmc->cqe_on = false;
		}

		@@ -580,6 +583,9 @@ static int cqhci_request(struct mmc_host mmc, struct mmc_request mrq)
		__cqhci_enable(cq_host);

		if (!mmc->cqe_on) {
		if (cq_host->ops->pre_enable)
		cq_host->ops->pre_enable(mmc);

		cqhci_writel(cq_host, 0, CQHCI_CTL);
		mmc->cqe_on = true;
		pr_debug("%s: cqhci: CQE on\n", mmc_hostname(mmc));

drivers/mmc/host/cqhci.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -206,6 +206,8 @@ struct cqhci_host_ops {
		void (disable)(struct mmc_host mmc, bool recovery);
		void (update_dcmd_desc)(struct mmc_host mmc, struct mmc_request *mrq,
		u64 *data);
		void (pre_enable)(struct mmc_host mmc);
		void (post_disable)(struct mmc_host mmc);
		};

		static inline void cqhci_writel(struct cqhci_host *host, u32 val, int reg)

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