mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-06 03:26:40 +07:00
mmc: core: Separate out the mmc_switch status check so it can be re-used
Make a separate function to do the mmc_switch status check so it can be re-used. This is preparation for adding support for HS400 re-tuning. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
parent
436f8daa6f
commit
ed16f58dc0
@ -450,6 +450,21 @@ int mmc_spi_set_crc(struct mmc_host *host, int use_crc)
|
||||
return err;
|
||||
}
|
||||
|
||||
int mmc_switch_status_error(struct mmc_host *host, u32 status)
|
||||
{
|
||||
if (mmc_host_is_spi(host)) {
|
||||
if (status & R1_SPI_ILLEGAL_COMMAND)
|
||||
return -EBADMSG;
|
||||
} else {
|
||||
if (status & 0xFDFFA000)
|
||||
pr_warn("%s: unexpected status %#x after switch\n",
|
||||
mmc_hostname(host), status);
|
||||
if (status & R1_SWITCH_ERROR)
|
||||
return -EBADMSG;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* __mmc_switch - modify EXT_CSD register
|
||||
* @card: the MMC card associated with the data transfer
|
||||
@ -558,20 +573,7 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
|
||||
}
|
||||
} while (R1_CURRENT_STATE(status) == R1_STATE_PRG);
|
||||
|
||||
if (mmc_host_is_spi(host)) {
|
||||
if (status & R1_SPI_ILLEGAL_COMMAND) {
|
||||
err = -EBADMSG;
|
||||
goto out;
|
||||
}
|
||||
} else {
|
||||
if (status & 0xFDFFA000)
|
||||
pr_warn("%s: unexpected status %#x after switch\n",
|
||||
mmc_hostname(host), status);
|
||||
if (status & R1_SWITCH_ERROR) {
|
||||
err = -EBADMSG;
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
err = mmc_switch_status_error(host, status);
|
||||
out:
|
||||
mmc_retune_release(host);
|
||||
|
||||
|
@ -27,6 +27,7 @@ int mmc_spi_set_crc(struct mmc_host *host, int use_crc);
|
||||
int mmc_bus_test(struct mmc_card *card, u8 bus_width);
|
||||
int mmc_send_hpi_cmd(struct mmc_card *card, u32 *status);
|
||||
int mmc_can_ext_csd(struct mmc_card *card);
|
||||
int mmc_switch_status_error(struct mmc_host *host, u32 status);
|
||||
|
||||
#endif
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user