diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2020-03-06 17:08:42 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-03-24 16:39:52 +0300 |
| commit | 0ffa6cfbd94982e6c028a8924b06a96c1b91bed8 (patch) | |
| tree | 9fd32396a669ab2a3715a9d6afbc55754103e021 /drivers/mmc | |
| parent | 1a91a36aba9c232c73e4a5fce038147f5d29e566 (diff) | |
| download | linux-0ffa6cfbd94982e6c028a8924b06a96c1b91bed8.tar.xz | |
mmc: cqhci: Add cqhci_deactivate()
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>
Diffstat (limited to 'drivers/mmc')
| -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 e2ea2c4b6b94..d8d024a1682b 100644 --- a/drivers/mmc/host/cqhci.c +++ b/drivers/mmc/host/cqhci.c @@ -298,16 +298,16 @@ 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 |