diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2020-04-08 10:21:05 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-05-28 12:20:57 +0300 |
| commit | a8e809ecaeb49fd53bbbed05a8257d35b9858c31 (patch) | |
| tree | acb9bf6de0c29b79f7252207b606157a70915cf2 /drivers/mmc/host/sdhci.c | |
| parent | 2941e4ca2057d6ebba1d93ff1930c6e4c18b63fb (diff) | |
| download | linux-a8e809ecaeb49fd53bbbed05a8257d35b9858c31.tar.xz | |
mmc: sdhci: use FIELD_GET/PREP for capabilities bit masks
Use FIELD_GET and FIELD_PREP to get access to the register fields. Delete
the shift macros and use GENMASK() for the touched macros.
Note that, this has the side-effect of changing the constants to 64-bit on
64-bit platforms.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200408072105.422-2-yamada.masahiro@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 3f716466fcfd..344a7e0e33fe 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -4117,11 +4117,9 @@ int sdhci_setup_host(struct sdhci_host *host) } if (host->version >= SDHCI_SPEC_300) - host->max_clk = (host->caps & SDHCI_CLOCK_V3_BASE_MASK) - >> SDHCI_CLOCK_BASE_SHIFT; + host->max_clk = FIELD_GET(SDHCI_CLOCK_V3_BASE_MASK, host->caps); else - host->max_clk = (host->caps & SDHCI_CLOCK_BASE_MASK) - >> SDHCI_CLOCK_BASE_SHIFT; + host->max_clk = FIELD_GET(SDHCI_CLOCK_BASE_MASK, host->caps); host->max_clk *= 1000000; if (host->max_clk == 0 || host->quirks & @@ -4139,8 +4137,7 @@ int sdhci_setup_host(struct sdhci_host *host) * In case of Host Controller v3.00, find out whether clock * multiplier is supported. */ - host->clk_mul = (host->caps1 & SDHCI_CLOCK_MUL_MASK) >> - SDHCI_CLOCK_MUL_SHIFT; + host->clk_mul = FIELD_GET(SDHCI_CLOCK_MUL_MASK, host->caps1); /* * In case the value in Clock Multiplier is 0, then programmable @@ -4173,8 +4170,7 @@ int sdhci_setup_host(struct sdhci_host *host) mmc->f_max = max_clk; if (!(host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) { - host->timeout_clk = (host->caps & SDHCI_TIMEOUT_CLK_MASK) >> - SDHCI_TIMEOUT_CLK_SHIFT; + host->timeout_clk = FIELD_GET(SDHCI_TIMEOUT_CLK_MASK, host->caps); if (host->caps & SDHCI_TIMEOUT_CLK_UNIT) host->timeout_clk *= 1000; @@ -4326,8 +4322,8 @@ int sdhci_setup_host(struct sdhci_host *host) mmc->caps |= MMC_CAP_DRIVER_TYPE_D; /* Initial value for re-tuning timer count */ - host->tuning_count = (host->caps1 & SDHCI_RETUNING_TIMER_COUNT_MASK) >> - SDHCI_RETUNING_TIMER_COUNT_SHIFT; + host->tuning_count = FIELD_GET(SDHCI_RETUNING_TIMER_COUNT_MASK, + host->caps1); /* * In case Re-tuning Timer is not disabled, the actual value of @@ -4337,8 +4333,7 @@ int sdhci_setup_host(struct sdhci_host *host) host->tuning_count = 1 << (host->tuning_count - 1); /* Re-tuning mode supported by the Host Controller */ - host->tuning_mode = (host->caps1 & SDHCI_RETUNING_MODE_MASK) >> - SDHCI_RETUNING_MODE_SHIFT; + host->tuning_mode = FIELD_GET(SDHCI_RETUNING_MODE_MASK, host->caps1); ocr_avail = 0; |