On 12 May 2017 at 12:16, Jean-Jacques Hiblot jjhiblot@ti.com wrote:
This adds a simple helper function to display information (bus width and mode) based on a capability mask. Useful for debug.
Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com
drivers/mmc/mmc.c | 17 +++++++++++++++++ include/mmc.h | 1 + 2 files changed, 18 insertions(+)
subject: fonction typo
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 2e1cb0d..5d418c5 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1133,6 +1133,23 @@ static void mmc_set_bus_width(struct mmc *mmc, uint width) mmc_set_ios(mmc); }
+void mmc_dump_capabilities(const char *text, uint caps) +{
enum bus_mode mode;printf("%s: widths [", text);if (caps & MMC_MODE_8BIT)printf("8, ");if (caps & MMC_MODE_4BIT)printf("4, ");printf("1] modes [");for (mode = MMC_LEGACY; mode < MMC_MODES_END; mode++)if (MMC_CAP(mode) & caps)printf("%s, ", mmc_mode_name(mode));printf("\b\b]\n");+}
static int sd_select_bus_freq_width(struct mmc *mmc) { int err; diff --git a/include/mmc.h b/include/mmc.h index 60a43b0..afda02d 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -422,6 +422,7 @@ enum bus_mode { };
const char *mmc_mode_name(enum bus_mode mode); +void mmc_dump_capabilities(const char *text, uint caps);
Add function comment
/*
- With CONFIG_DM_MMC enabled, struct mmc can be accessed from the MMC device
- with mmc_get_mmc_dev().
-- 1.9.1