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| author | Ulf Hansson <ulf.hansson@linaro.org> | 2020-04-14 18:14:04 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-05-28 11:21:01 +0200 |
| commit | 4b4c7daec4f92327e321d22347076a7e4d8320b0 (patch) | |
| tree | 626f672daac0405a7c3b2218713f691d7bba4789 /drivers/mmc | |
| parent | cfa2c1dc7bb43cf3d00f27ec90022f6fb8f0bf42 (diff) | |
| download | linux-4b4c7daec4f92327e321d22347076a7e4d8320b0.tar.gz linux-4b4c7daec4f92327e321d22347076a7e4d8320b0.tar.bz2 linux-4b4c7daec4f92327e321d22347076a7e4d8320b0.zip | |
mmc: sdricoh_cs: Move MMC_APP_CMD handling to sdricoh_mmc_cmd()
Move MMC_APP_CMD specific handling to be managed by sdricoh_mmc_cmd(), as
this makes the code a bit cleaner.
Cc: Sascha Sommer <saschasommer@freenet.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20200414161413.3036-11-ulf.hansson@linaro.org
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdricoh_cs.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c index a41c0660abbf..e7d74db95b57 100644 --- a/drivers/mmc/host/sdricoh_cs.c +++ b/drivers/mmc/host/sdricoh_cs.c @@ -149,16 +149,25 @@ static int sdricoh_query_status(struct sdricoh_host *host, unsigned int wanted, } -static int sdricoh_mmc_cmd(struct sdricoh_host *host, unsigned char opcode, - unsigned int arg) +static int sdricoh_mmc_cmd(struct sdricoh_host *host, struct mmc_command *cmd) { unsigned int status; int result = 0; unsigned int loop = 0; + unsigned char opcode = cmd->opcode; + /* reset status reg? */ sdricoh_writel(host, R21C_STATUS, 0x18); + + /* MMC_APP_CMDs need some special handling */ + if (host->app_cmd) { + opcode |= 64; + host->app_cmd = 0; + } else if (opcode == MMC_APP_CMD) + host->app_cmd = 1; + /* fill parameters */ - sdricoh_writel(host, R204_CMD_ARG, arg); + sdricoh_writel(host, R204_CMD_ARG, cmd->arg); sdricoh_writel(host, R200_CMD, (0x10000 << 8) | opcode); /* wait for command completion */ if (opcode) { @@ -250,28 +259,20 @@ static void sdricoh_request(struct mmc_host *mmc, struct mmc_request *mrq) struct mmc_command *cmd = mrq->cmd; struct mmc_data *data = cmd->data; struct device *dev = host->dev; - unsigned char opcode = cmd->opcode; int i; dev_dbg(dev, "=============================\n"); - dev_dbg(dev, "sdricoh_request opcode=%i\n", opcode); + dev_dbg(dev, "sdricoh_request opcode=%i\n", cmd->opcode); sdricoh_writel(host, R21C_STATUS, 0x18); - /* MMC_APP_CMDs need some special handling */ - if (host->app_cmd) { - opcode |= 64; - host->app_cmd = 0; - } else if (opcode == MMC_APP_CMD) - host->app_cmd = 1; - /* read/write commands seem to require this */ if (data) { sdricoh_writew(host, R226_BLOCKSIZE, data->blksz); sdricoh_writel(host, R208_DATAIO, 0); } - cmd->error = sdricoh_mmc_cmd(host, opcode, cmd->arg); + cmd->error = sdricoh_mmc_cmd(host, cmd); /* read response buffer */ if (cmd->flags & MMC_RSP_PRESENT) { |