diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2020-03-06 19:38:42 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-09 19:12:33 +0200 |
| commit | ed48704c36a845de4accb50eac833cf2965146f7 (patch) | |
| tree | cd1632fd022303446fc17d0d6e524fb7b57dbf33 /drivers | |
| parent | a69047c01eb4eb5308ca1101b387ca990f0fce17 (diff) | |
mmc: cqhci: Add cqhci_deactivate()
commit 0ffa6cfbd94982e6c028a8924b06a96c1b91bed8 upstream.
Host controllers can reset CQHCI either directly or as a consequence of
host controller reset. Add cqhci_deactivate() which puts the CQHCI
driver into a state that is consistent with that.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Link: https://lore.kernel.org/r/1583503724-13943-2-git-send-email-vbadigan@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/cqhci.c | 6 | ||||
| -rw-r--r-- | drivers/mmc/host/cqhci.h | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c index c19f4c3f115a..2d65b32d205a 100644 --- a/drivers/mmc/host/cqhci.c +++ b/drivers/mmc/host/cqhci.c @@ -299,16 +299,16 @@ static void __cqhci_disable(struct cqhci_host *cq_host) cq_host->activated = false; } -int cqhci_suspend(struct mmc_host *mmc) +int cqhci_deactivate(struct mmc_host *mmc) { struct cqhci_host *cq_host = mmc->cqe_private; - if (cq_host->enabled) + if (cq_host->enabled && cq_host->activated) __cqhci_disable(cq_host); return 0; } -EXPORT_SYMBOL(cqhci_suspend); +EXPORT_SYMBOL(cqhci_deactivate); int cqhci_resume(struct mmc_host *mmc) { diff --git a/drivers/mmc/host/cqhci.h b/drivers/mmc/host/cqhci.h index def76e9b5cac..437700179de4 100644 --- a/drivers/mmc/host/cqhci.h +++ b/drivers/mmc/host/cqhci.h @@ -230,7 +230,11 @@ irqreturn_t cqhci_irq(struct mmc_host *mmc, u32 intmask, int cmd_error, int data_error); int cqhci_init(struct cqhci_host *cq_host, struct mmc_host *mmc, bool dma64); struct cqhci_host *cqhci_pltfm_init(struct platform_device *pdev); -int cqhci_suspend(struct mmc_host *mmc); +int cqhci_deactivate(struct mmc_host *mmc); +static inline int cqhci_suspend(struct mmc_host *mmc) +{ + return cqhci_deactivate(mmc); +} int cqhci_resume(struct mmc_host *mmc); #endif |