diff options
author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2023-04-18 11:30:37 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2023-04-21 08:29:45 +0200 |
commit | e2d068a89d3f7027ba14d9252acd002d90ac267b (patch) | |
tree | a9e01519c9d53177aec5703df71987d4c3ce1606 | |
parent | 3522c6f7472fa894b6c52e083bd70fb98b1711c1 (diff) | |
download | barebox-e2d068a89d3f7027ba14d9252acd002d90ac267b.tar.gz |
mci: introduce new dedicated enum mmc_bus_width type
To make it clearer that a bus width of 8 is not equal to integer 8,
let's give it a dedicated type. No functional change.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20230418093040.1865982-2-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | drivers/mci/mci-core.c | 6 | ||||
-rw-r--r-- | include/mci.h | 20 |
2 files changed, 13 insertions, 13 deletions
diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c index f647cae820..2abed00117 100644 --- a/drivers/mci/mci-core.c +++ b/drivers/mci/mci-core.c @@ -864,7 +864,7 @@ static void mci_set_clock(struct mci *mci, unsigned clock) * @param mci MCI instance * @param width New interface bit width (1, 4 or 8) */ -static void mci_set_bus_width(struct mci *mci, unsigned width) +static void mci_set_bus_width(struct mci *mci, enum mci_bus_width width) { struct mci_host *host = mci->host; @@ -1055,7 +1055,7 @@ static void mci_extract_card_dsr_imp_from_csd(struct mci *mci) mci->dsr_imp = UNSTUFF_BITS(mci->csd, 76, 1); } -static int mmc_compare_ext_csds(struct mci *mci, unsigned bus_width) +static int mmc_compare_ext_csds(struct mci *mci, enum mci_bus_width bus_width) { u8 *bw_ext_csd; int err; @@ -1176,7 +1176,7 @@ static int mci_startup_mmc(struct mci *mci) EXT_CSD_BUS_WIDTH_4, EXT_CSD_BUS_WIDTH_8, }; - static unsigned bus_widths[] = { + static enum mci_bus_width bus_widths[] = { MMC_BUS_WIDTH_4, MMC_BUS_WIDTH_8, }; diff --git a/include/mci.h b/include/mci.h index c385673032..a3f6d619b3 100644 --- a/include/mci.h +++ b/include/mci.h @@ -410,16 +410,16 @@ enum mci_timing { MMC_TIMING_MMC_HS400 = 8, }; -struct mci_ios { - unsigned int clock; /* clock rate */ - - unsigned char bus_width; /* data bus width */ - -#define MMC_BUS_WIDTH_1 0 -#define MMC_BUS_WIDTH_4 2 -#define MMC_BUS_WIDTH_8 3 +enum mci_bus_width { + MMC_BUS_WIDTH_1 = 0, + MMC_BUS_WIDTH_4 = 2, + MMC_BUS_WIDTH_8 = 3, +}; - enum mci_timing timing; /* timing specification used */ +struct mci_ios { + unsigned int clock; /* clock rate */ + enum mci_bus_width bus_width; /* data bus width */ + enum mci_timing timing; /* timing specification used */ }; struct mci; @@ -434,7 +434,7 @@ struct mci_host { unsigned f_min; /**< host interface lower limit */ unsigned f_max; /**< host interface upper limit */ unsigned clock; /**< Current clock used to talk to the card */ - unsigned bus_width; /**< used data bus width to the card */ + enum mci_bus_width bus_width; /**< used data bus width to the card */ enum mci_timing timing; /**< used timing specification to the card */ unsigned max_req_size; unsigned dsr_val; /**< optional dsr value */ |