From 9cc811a342be78270d20d1fff3832bc0b23ef364 Mon Sep 17 00:00:00 2001 From: Drew Fustini Date: Thu, 9 Nov 2023 21:41:12 -0800 Subject: mmc: sdhci: add __sdhci_execute_tuning() to header Expose __sdhci_execute_tuning() so that it can be called from the mmc host controller drivers. In the sdhci-of-dwcmshc driver, sdhci_dwcmshc_th1520_ops sets platform_execute_tuning to th1520_execute_tuning(). That function has to manipulate phy registers before tuning can be performed. To avoid copying the code verbatim from __sdhci_execute_tuning() into th1520_execute_tuning(), make it possible for __sdhci_execute_tuning() to be called from sdhci-of-dwcmshc. Acked-by: Adrian Hunter Signed-off-by: Drew Fustini Link: https://lore.kernel.org/r/20231109-th1520-mmc-v5-2-018bd039cf17@baylibre.com Signed-off-by: Ulf Hansson --- drivers/mmc/host/sdhci.c | 3 ++- drivers/mmc/host/sdhci.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/mmc') diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index ff41aa56564e..c79f73459915 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2841,7 +2841,7 @@ void sdhci_send_tuning(struct sdhci_host *host, u32 opcode) } EXPORT_SYMBOL_GPL(sdhci_send_tuning); -static int __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode) +int __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode) { int i; @@ -2879,6 +2879,7 @@ static int __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode) sdhci_reset_tuning(host); return -EAGAIN; } +EXPORT_SYMBOL_GPL(__sdhci_execute_tuning); int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) { diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index f219bdea8f28..a20864fc0641 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -793,6 +793,7 @@ void sdhci_set_bus_width(struct sdhci_host *host, int width); void sdhci_reset(struct sdhci_host *host, u8 mask); void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing); int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode); +int __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode); void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios); int sdhci_start_signal_voltage_switch(struct mmc_host *mmc, struct mmc_ios *ios); -- cgit v1.2.3