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authorChun-Hung Wu <chun-hung.wu@mediatek.com>2020-08-27 17:33:02 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2020-09-07 09:11:31 +0200
commit887ba410ede62da12e77684072f6c7491c0fa909 (patch)
treef803c740568a5d212f6514f571e7c8b9958877a8
parent4dac686bb3571b65b58316991eb833431a3d19f1 (diff)
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>
-rw-r--r--drivers/mmc/host/cqhci.c6
-rw-r--r--drivers/mmc/host/cqhci.h2
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c
index cfa87dfa73d8..697fe40756bf 100644
--- a/drivers/mmc/host/cqhci.c
+++ b/drivers/mmc/host/cqhci.c
@@ -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));
diff --git a/drivers/mmc/host/cqhci.h b/drivers/mmc/host/cqhci.h
index 437700179de4..89bf6adbce8c 100644
--- a/drivers/mmc/host/cqhci.h
+++ b/drivers/mmc/host/cqhci.h
@@ -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)