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mmc: cqhci: add new cqhci_host_ops pre_enable() and post_disable() 

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>
This commit is contained in:
Chun-Hung Wu 2020-08-27 17:33:02 +08:00 committed by Ulf Hansson
parent 4dac686bb3
commit 887ba410ed
2 changed files with 8 additions and 0 deletions
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6
drivers/mmc/host/cqhci.c
View File

@ -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));

2
drivers/mmc/host/cqhci.h
View File

@ -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)