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ANDROID: mmc: core: Export core functions required for clk scaling

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Export core function required for clk scaling post design change.
This would help make clk scaling part of vendor module.

Bug: 343311916
Link: https://lore.kernel.org/lkml/1571668177-3766-2-git-send-email-rampraka@codeaurora.org/

Change-Id: I0c5eccb2052197b3a290f7322429cab679c5ade5
Signed-off-by: Nitin Rawat <nitirawa@codeaurora.org>
Signed-off-by: Ram Prakash Gupta <rampraka@codeaurora.org>
This commit is contained in:
Ram Prakash Gupta 2021-07-02 15:39:21 +05:30 committed by Carlos Llamas
parent 75892d27bc
commit a8fe5ae562
3 changed files with 11 additions and 2 deletions
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2
drivers/mmc/core/core.h
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@ -42,7 +42,7 @@ struct device_node *mmc_of_find_child_device(struct mmc_host *host,
void mmc_init_erase(struct mmc_card *card);
void mmc_set_chip_select(struct mmc_host *host, int mode);
void mmc_set_clock(struct mmc_host *host, unsigned int hz);
extern void mmc_set_clock(struct mmc_host *host, unsigned int hz);
void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);
void mmc_set_bus_width(struct mmc_host *host, unsigned int width);
u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);

2
drivers/mmc/core/mmc.c
View File

@ -982,7 +982,7 @@ static int mmc_select_powerclass(struct mmc_card *card)
/*
* Set the bus speed for the selected speed mode.
*/
static void mmc_set_bus_speed(struct mmc_card *card)
void mmc_set_bus_speed(struct mmc_card *card)
{
unsigned int max_dtr = (unsigned int)-1;

9
include/linux/mmc/mmc.h
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@ -455,4 +455,13 @@ static inline bool mmc_ready_for_data(u32 status)
#define mmc_driver_type_mask(n) (1 << (n))
struct mmc_card;
extern int mmc_select_bus_width(struct mmc_card *card);
extern int mmc_select_hs(struct mmc_card *card);
extern int mmc_select_hs_ddr(struct mmc_card *card);
extern int mmc_select_hs400(struct mmc_card *card);
extern int mmc_hs200_tuning(struct mmc_card *card);
extern int mmc_select_timing(struct mmc_card *card);
#endif /* LINUX_MMC_MMC_H */