From 29171dcfaa639921954c8b2cd1b7de59888a1081 Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Thu, 21 Sep 2017 16:51:36 +0200 Subject: [PATCH] mmc: omap_hsmmc: Fix incorrect bit operations for disabling a bit omap_hsmmc driver uses "|" in a couple of places for disabling a bit. While it's okay to use it in "mmc_reg_out" (since mmc_reg_out has a _mask_ argument to take care of resetting a bit), it's incorrectly used for resetting flags in "omap_hsmmc_send_cmd". Fix it here by using "&= ~()" to reset a bit. Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Jean-Jacques Hiblot Reviewed-by: Tom Rini --- arch/arm/include/asm/omap_mmc.h | 6 ++---- drivers/mmc/omap_hsmmc.c | 7 ++++--- 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/arch/arm/include/asm/omap_mmc.h b/arch/arm/include/asm/omap_mmc.h index 128cd8120d..bf9de9b211 100644 --- a/arch/arm/include/asm/omap_mmc.h +++ b/arch/arm/include/asm/omap_mmc.h @@ -90,10 +90,9 @@ struct omap_hsmmc_plat { #define DMA_MASTER (0x1 << 20) #define BLEN_512BYTESLEN (0x200 << 0) #define NBLK_STPCNT (0x0 << 16) -#define DE_DISABLE (0x0 << 0) -#define BCE_DISABLE (0x0 << 1) +#define DE_ENABLE (0x1 << 0) #define BCE_ENABLE (0x1 << 1) -#define ACEN_DISABLE (0x0 << 2) +#define ACEN_ENABLE (0x1 << 2) #define DDIR_OFFSET (4) #define DDIR_MASK (0x1 << 4) #define DDIR_WRITE (0x0 << 4) @@ -134,7 +133,6 @@ struct omap_hsmmc_plat { #define ICS_NOTREADY (0x0 << 1) #define ICE_OSCILLATE (0x1 << 0) #define CEN_MASK (0x1 << 2) -#define CEN_DISABLE (0x0 << 2) #define CEN_ENABLE (0x1 << 2) #define CLKD_OFFSET (6) #define CLKD_MASK (0x3FF << 6) diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index 224c06aea8..b12d6d9102 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -294,7 +294,7 @@ static int omap_hsmmc_init_setup(struct mmc *mmc) dsor = 240; mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK), - (ICE_STOP | DTO_15THDTO | CEN_DISABLE)); + (ICE_STOP | DTO_15THDTO)); mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK, (dsor << CLKD_OFFSET) | ICE_OSCILLATE); start = get_timer(0); @@ -544,7 +544,8 @@ static int omap_hsmmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, /* enable default flags */ flags = flags | (CMD_TYPE_NORMAL | CICE_NOCHECK | CCCE_NOCHECK | - MSBS_SGLEBLK | ACEN_DISABLE | BCE_DISABLE | DE_DISABLE); + MSBS_SGLEBLK); + flags &= ~(ACEN_ENABLE | BCE_ENABLE | DE_ENABLE); if (cmd->resp_type & MMC_RSP_CRC) flags |= CCCE_CHECK; @@ -811,7 +812,7 @@ static int omap_hsmmc_set_ios(struct udevice *dev) } mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK), - (ICE_STOP | DTO_15THDTO | CEN_DISABLE)); + (ICE_STOP | DTO_15THDTO)); mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK, (dsor << CLKD_OFFSET) | ICE_OSCILLATE); -- 2.39.2