a7y18lte-ubports/android_kernel_samsung_universal7885
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mmc: rtsx: swap function position to avoid pre declaration

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move function sd_read_data()/sd_write_data() behind
sd_send_cmd_get_rsp() to avoid pre-declaration.

Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Micky Ching 2014-12-23 09:19:46 +08:00 committed by Ulf Hansson
parent 1dcb35799e
commit 56d1c0d941
1 changed files with 100 additions and 103 deletions
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203
drivers/mmc/host/rtsx_pci_sdmmc.c
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@ -71,9 +71,6 @@ static inline void sd_clear_error(struct realtek_pci_sdmmc *host)
SD_STOP | SD_CLR_ERR, SD_STOP | SD_CLR_ERR); SD_STOP | SD_CLR_ERR, SD_STOP | SD_CLR_ERR);
} }
static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host,
struct mmc_command *cmd);
#ifdef DEBUG #ifdef DEBUG
static void dump_reg_range(struct realtek_pci_sdmmc *host, u16 start, u16 end) static void dump_reg_range(struct realtek_pci_sdmmc *host, u16 start, u16 end)
{ {
@ -218,106 +215,6 @@ static void sdmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
data->host_cookie = 0; data->host_cookie = 0;
} }
static int sd_read_data(struct realtek_pci_sdmmc *host, struct mmc_command *cmd,
u16 byte_cnt, u8 *buf, int buf_len, int timeout)
{
struct rtsx_pcr *pcr = host->pcr;
int err;
u8 trans_mode;
dev_dbg(sdmmc_dev(host), "%s: SD/MMC CMD %d, arg = 0x%08x\n",
__func__, cmd->opcode, cmd->arg);
if (!buf)
buf_len = 0;
if (cmd->opcode == MMC_SEND_TUNING_BLOCK)
trans_mode = SD_TM_AUTO_TUNING;
else
trans_mode = SD_TM_NORMAL_READ;
rtsx_pci_init_cmd(pcr);
sd_cmd_set_sd_cmd(pcr, cmd);
sd_cmd_set_data_len(pcr, 1, byte_cnt);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF,
SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_6);
if (trans_mode != SD_TM_AUTO_TUNING)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER,
0xFF, trans_mode | SD_TRANSFER_START);
rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER,
SD_TRANSFER_END, SD_TRANSFER_END);
err = rtsx_pci_send_cmd(pcr, timeout);
if (err < 0) {
sd_print_debug_regs(host);
dev_dbg(sdmmc_dev(host),
"rtsx_pci_send_cmd fail (err = %d)\n", err);
return err;
}
if (buf && buf_len) {
err = rtsx_pci_read_ppbuf(pcr, buf, buf_len);
if (err < 0) {
dev_dbg(sdmmc_dev(host),
"rtsx_pci_read_ppbuf fail (err = %d)\n", err);
return err;
}
}
return 0;
}
static int sd_write_data(struct realtek_pci_sdmmc *host,
struct mmc_command *cmd, u16 byte_cnt, u8 *buf, int buf_len,
int timeout)
{
struct rtsx_pcr *pcr = host->pcr;
int err;
dev_dbg(sdmmc_dev(host), "%s: SD/MMC CMD %d, arg = 0x%08x\n",
__func__, cmd->opcode, cmd->arg);
if (!buf)
buf_len = 0;
sd_send_cmd_get_rsp(host, cmd);
if (cmd->error)
return cmd->error;
if (buf && buf_len) {
err = rtsx_pci_write_ppbuf(pcr, buf, buf_len);
if (err < 0) {
dev_dbg(sdmmc_dev(host),
"rtsx_pci_write_ppbuf fail (err = %d)\n", err);
return err;
}
}
rtsx_pci_init_cmd(pcr);
sd_cmd_set_data_len(pcr, 1, byte_cnt);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF,
SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_0);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
SD_TRANSFER_START | SD_TM_AUTO_WRITE_3);
rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER,
SD_TRANSFER_END, SD_TRANSFER_END);
err = rtsx_pci_send_cmd(pcr, timeout);
if (err < 0) {
sd_print_debug_regs(host);
dev_dbg(sdmmc_dev(host),
"rtsx_pci_send_cmd fail (err = %d)\n", err);
return err;
}
return 0;
}
static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host, static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host,
struct mmc_command *cmd) struct mmc_command *cmd)
{ {
@ -436,6 +333,106 @@ out:
SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0); SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0);
} }
static int sd_read_data(struct realtek_pci_sdmmc *host, struct mmc_command *cmd,
u16 byte_cnt, u8 *buf, int buf_len, int timeout)
{
struct rtsx_pcr *pcr = host->pcr;
int err;
u8 trans_mode;
dev_dbg(sdmmc_dev(host), "%s: SD/MMC CMD %d, arg = 0x%08x\n",
__func__, cmd->opcode, cmd->arg);
if (!buf)
buf_len = 0;
if (cmd->opcode == MMC_SEND_TUNING_BLOCK)
trans_mode = SD_TM_AUTO_TUNING;
else
trans_mode = SD_TM_NORMAL_READ;
rtsx_pci_init_cmd(pcr);
sd_cmd_set_sd_cmd(pcr, cmd);
sd_cmd_set_data_len(pcr, 1, byte_cnt);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF,
SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_6);
if (trans_mode != SD_TM_AUTO_TUNING)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER,
0xFF, trans_mode | SD_TRANSFER_START);
rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER,
SD_TRANSFER_END, SD_TRANSFER_END);
err = rtsx_pci_send_cmd(pcr, timeout);
if (err < 0) {
sd_print_debug_regs(host);
dev_dbg(sdmmc_dev(host),
"rtsx_pci_send_cmd fail (err = %d)\n", err);
return err;
}
if (buf && buf_len) {
err = rtsx_pci_read_ppbuf(pcr, buf, buf_len);
if (err < 0) {
dev_dbg(sdmmc_dev(host),
"rtsx_pci_read_ppbuf fail (err = %d)\n", err);
return err;
}
}
return 0;
}
static int sd_write_data(struct realtek_pci_sdmmc *host,
struct mmc_command *cmd, u16 byte_cnt, u8 *buf, int buf_len,
int timeout)
{
struct rtsx_pcr *pcr = host->pcr;
int err;
dev_dbg(sdmmc_dev(host), "%s: SD/MMC CMD %d, arg = 0x%08x\n",
__func__, cmd->opcode, cmd->arg);
if (!buf)
buf_len = 0;
sd_send_cmd_get_rsp(host, cmd);
if (cmd->error)
return cmd->error;
if (buf && buf_len) {
err = rtsx_pci_write_ppbuf(pcr, buf, buf_len);
if (err < 0) {
dev_dbg(sdmmc_dev(host),
"rtsx_pci_write_ppbuf fail (err = %d)\n", err);
return err;
}
}
rtsx_pci_init_cmd(pcr);
sd_cmd_set_data_len(pcr, 1, byte_cnt);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF,
SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_0);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
SD_TRANSFER_START | SD_TM_AUTO_WRITE_3);
rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER,
SD_TRANSFER_END, SD_TRANSFER_END);
err = rtsx_pci_send_cmd(pcr, timeout);
if (err < 0) {
sd_print_debug_regs(host);
dev_dbg(sdmmc_dev(host),
"rtsx_pci_send_cmd fail (err = %d)\n", err);
return err;
}
return 0;
}
static int sd_read_long_data(struct realtek_pci_sdmmc *host, static int sd_read_long_data(struct realtek_pci_sdmmc *host,
struct mmc_request *mrq) struct mmc_request *mrq)
{ {