Messages in this thread Patch in this message | | | From | Ben Chuang <> | Subject | [RFC,PATCH 5/6] mmc: sdhci-uhs2: Introduce a uhs2_pre_detec_init function | Date | Mon, 30 Dec 2019 19:39:59 +0800 |
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From: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Introduce a uhs2_pre_detect_init function before detect uhs2 interface.
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw> --- drivers/mmc/host/sdhci-uhs2.c | 3 +++ drivers/mmc/host/sdhci.h | 1 + 2 files changed, 4 insertions(+)
diff --git a/drivers/mmc/host/sdhci-uhs2.c b/drivers/mmc/host/sdhci-uhs2.c index 49bda02dd305..d0cccc358cf2 100644 --- a/drivers/mmc/host/sdhci-uhs2.c +++ b/drivers/mmc/host/sdhci-uhs2.c @@ -506,6 +506,9 @@ int sdhci_uhs2_do_detect_init(struct sdhci_host *host) DBG("%s: begin UHS2 init.\n", __func__); spin_lock_irqsave(&host->lock, flags); + if (host->ops && host->ops->uhs2_pre_detect_init) + host->ops->uhs2_pre_detect_init(host); + if (sdhci_uhs2_interface_detect(host)) { pr_warn("%s: cannot detect UHS2 interface.\n", mmc_hostname(host->mmc)); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index ea5e2119e1c9..3b5b9c8e6663 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -904,6 +904,7 @@ struct sdhci_ops { void (*voltage_switch)(struct sdhci_host *host); void (*adma_write_desc)(struct sdhci_host *host, void **desc, dma_addr_t addr, int len, unsigned int cmd); + void (*uhs2_pre_detect_init)(struct sdhci_host *host); void (*uhs2_post_attach_sd)(struct sdhci_host *host); }; -- 2.24.1
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