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author | 2020-08-27 17:33:02 +0800 | |
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committer | 2020-09-07 09:11:31 +0200 | |
commit | 887ba410ede62da12e77684072f6c7491c0fa909 (patch) | |
tree | f803c740568a5d212f6514f571e7c8b9958877a8 /drivers/mmc | |
parent | mmc: sdhci-msm: Enable restore_dll_config flag for sc7180 target (diff) | |
download | linux-887ba410ede62da12e77684072f6c7491c0fa909.tar.gz linux-887ba410ede62da12e77684072f6c7491c0fa909.tar.bz2 linux-887ba410ede62da12e77684072f6c7491c0fa909.zip |
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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/host/cqhci.c | 6 | ||||
-rw-r--r-- | drivers/mmc/host/cqhci.h | 2 |
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) |