From acbf2f3c72cee8630eea4e10e599c19f042ae73d Mon Sep 17 00:00:00 2001 From: Victor Shih Date: Fri, 13 Sep 2024 18:28:20 +0800 Subject: [PATCH] mmc: core: Factor out some of the code in mmc_go_idle() Move some part out from mmc_go_idle() into a new function called __mmc_go_idle(), allowing it to be re-used, which is shown from a subsequent change. Signed-off-by: Victor Shih Link: https://lore.kernel.org/r/20240913102836.6144-7-victorshihgli@gmail.com Signed-off-by: Ulf Hansson --- drivers/mmc/core/mmc_ops.c | 24 ++++++++++++++++-------- drivers/mmc/core/mmc_ops.h | 1 + 2 files changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 3b3adbddf664..5c8e62e8f331 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -144,10 +144,24 @@ int mmc_set_dsr(struct mmc_host *host) return mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES); } +int __mmc_go_idle(struct mmc_host *host) +{ + struct mmc_command cmd = {}; + int err; + + cmd.opcode = MMC_GO_IDLE_STATE; + cmd.arg = 0; + cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_NONE | MMC_CMD_BC; + + err = mmc_wait_for_cmd(host, &cmd, 0); + mmc_delay(1); + + return err; +} + int mmc_go_idle(struct mmc_host *host) { int err; - struct mmc_command cmd = {}; /* * Non-SPI hosts need to prevent chipselect going active during @@ -163,13 +177,7 @@ int mmc_go_idle(struct mmc_host *host) mmc_delay(1); } - cmd.opcode = MMC_GO_IDLE_STATE; - cmd.arg = 0; - cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_NONE | MMC_CMD_BC; - - err = mmc_wait_for_cmd(host, &cmd, 0); - - mmc_delay(1); + err = __mmc_go_idle(host); if (!mmc_host_is_spi(host)) { mmc_set_chip_select(host, MMC_CS_DONTCARE); diff --git a/drivers/mmc/core/mmc_ops.h b/drivers/mmc/core/mmc_ops.h index 06017110e1b0..0df3ebd900d1 100644 --- a/drivers/mmc/core/mmc_ops.h +++ b/drivers/mmc/core/mmc_ops.h @@ -25,6 +25,7 @@ struct mmc_command; int mmc_select_card(struct mmc_card *card); int mmc_deselect_cards(struct mmc_host *host); int mmc_set_dsr(struct mmc_host *host); +int __mmc_go_idle(struct mmc_host *host); int mmc_go_idle(struct mmc_host *host); int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr); int mmc_set_relative_addr(struct mmc_card *card);