diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-12-29 20:00:09 +0300 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2018-01-22 08:11:58 +0300 |
| commit | 954a963146c2f4487f5efce0be00e5625bc41e88 (patch) | |
| tree | 3c3889839dcc32f363f2c538996ee2a83323ed70 /drivers/mmc/sdhci-cadence.c | |
| parent | be165fbbf18ad3926337fe51a337dca730fa7278 (diff) | |
| download | u-boot-954a963146c2f4487f5efce0be00e5625bc41e88.tar.xz | |
mmc: sdhci-cadence: use bitfield access macros for cleanup
This driver is a counterpart from the one in Linux. Follow the
clean-up I did in Linux.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'drivers/mmc/sdhci-cadence.c')
| -rw-r--r-- | drivers/mmc/sdhci-cadence.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/mmc/sdhci-cadence.c b/drivers/mmc/sdhci-cadence.c index 72d1c646a2..712b18c93f 100644 --- a/drivers/mmc/sdhci-cadence.c +++ b/drivers/mmc/sdhci-cadence.c @@ -7,6 +7,7 @@ #include <common.h> #include <dm.h> +#include <linux/bitfield.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/sizes.h> @@ -19,15 +20,14 @@ #define SDHCI_CDNS_HRS04_ACK BIT(26) #define SDHCI_CDNS_HRS04_RD BIT(25) #define SDHCI_CDNS_HRS04_WR BIT(24) -#define SDHCI_CDNS_HRS04_RDATA_SHIFT 16 -#define SDHCI_CDNS_HRS04_WDATA_SHIFT 8 -#define SDHCI_CDNS_HRS04_ADDR_SHIFT 0 +#define SDHCI_CDNS_HRS04_RDATA GENMASK(23, 16) +#define SDHCI_CDNS_HRS04_WDATA GENMASK(15, 8) +#define SDHCI_CDNS_HRS04_ADDR GENMASK(5, 0) #define SDHCI_CDNS_HRS06 0x18 /* eMMC control */ #define SDHCI_CDNS_HRS06_TUNE_UP BIT(15) -#define SDHCI_CDNS_HRS06_TUNE_SHIFT 8 -#define SDHCI_CDNS_HRS06_TUNE_MASK 0x3f -#define SDHCI_CDNS_HRS06_MODE_MASK 0x7 +#define SDHCI_CDNS_HRS06_TUNE GENMASK(13, 8) +#define SDHCI_CDNS_HRS06_MODE GENMASK(2, 0) #define SDHCI_CDNS_HRS06_MODE_SD 0x0 #define SDHCI_CDNS_HRS06_MODE_MMC_SDR 0x2 #define SDHCI_CDNS_HRS06_MODE_MMC_DDR 0x3 @@ -84,8 +84,8 @@ static int sdhci_cdns_write_phy_reg(struct sdhci_cdns_plat *plat, u32 tmp; int ret; - tmp = (data << SDHCI_CDNS_HRS04_WDATA_SHIFT) | - (addr << SDHCI_CDNS_HRS04_ADDR_SHIFT); + tmp = FIELD_PREP(SDHCI_CDNS_HRS04_WDATA, data) | + FIELD_PREP(SDHCI_CDNS_HRS04_ADDR, addr); writel(tmp, reg); tmp |= SDHCI_CDNS_HRS04_WR; @@ -152,8 +152,8 @@ static void sdhci_cdns_set_control_reg(struct sdhci_host *host) } tmp = readl(plat->hrs_addr + SDHCI_CDNS_HRS06); - tmp &= ~SDHCI_CDNS_HRS06_MODE_MASK; - tmp |= mode; + tmp &= ~SDHCI_CDNS_HRS06_MODE; + tmp |= FIELD_PREP(SDHCI_CDNS_HRS06_MODE, mode); writel(tmp, plat->hrs_addr + SDHCI_CDNS_HRS06); } |