Messages in this thread Patch in this message | | | From | Holger Schurig <> | Subject | [PATCH 5/6] mmc: move mmc_send_cxd_data() to core.c | Date | Fri, 13 Nov 2015 15:56:11 +0100 |
| |
This function can be used to send ext_csd data towards the chip, which is needed in the (upcoming) firmware update patch.
Signed-off-by: Holger Schurig <holgerschurig@gmail.com> --- drivers/mmc/core/mmc_ops.c | 4 ++-- include/linux/mmc/core.h | 3 +++ 2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 1f44426..d1d6abc 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -287,8 +287,7 @@ mmc_send_cxd_native(struct mmc_host *host, u32 arg, u32 *cxd, int opcode) * NOTE: void *buf, caller for the buf is required to use DMA-capable * buffer or on-stack buffer (with some overhead in callee). */ -static int -mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host, +int mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host, u32 opcode, void *buf, unsigned len) { struct mmc_request mrq = {NULL}; @@ -336,6 +335,7 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host, return 0; } +EXPORT_SYMBOL(mmc_send_cxd_data); int mmc_send_csd(struct mmc_card *card, u32 *csd) { diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 774846f..b0e0f15 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -162,6 +162,9 @@ extern void mmc_start_bkops(struct mmc_card *card, bool from_exception); extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int); extern int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error); extern int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd); +extern int mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host, + u32 opcode, void *buf, unsigned len); + #define MMC_ERASE_ARG 0x00000000 #define MMC_SECURE_ERASE_ARG 0x80000000 -- 2.1.4
| |