From: Adrian Hunter <adrian.hunter@xxxxxxxxx> 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@xxxxxxxxx> Signed-off-by: Veerabhadrarao Badiganti <vbadigan@xxxxxxxxxxxxxx> --- drivers/mmc/host/cqhci.c | 6 +++--- 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 e24b8ff..c2239ee 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 def76e9..4377001 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 -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project