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| author | Tobias Jakobi <tjakobi@math.uni-bielefeld.de> | 2015-10-05 13:47:53 +0200 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2015-10-13 20:22:28 +0900 |
| commit | 2308ea7c6fe003f699f4648d4ac3bb030fdc64d0 (patch) | |
| tree | 7628c5ded6d7c50fc3fd5acfde5cc7c3758b5134 /drivers/mmc/s5p_sdhci.c | |
| parent | 995a54cc120e2a1e56a79ea9abb0ba9d343c8997 (diff) | |
| download | talos-obmc-uboot-2308ea7c6fe003f699f4648d4ac3bb030fdc64d0.tar.gz talos-obmc-uboot-2308ea7c6fe003f699f4648d4ac3bb030fdc64d0.zip | |
exynos: more debug and cleanup in do_sdhci_init()
Add more debug printfs in do_sdhci_init() for calls
that can potentially fail.
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'drivers/mmc/s5p_sdhci.c')
| -rw-r--r-- | drivers/mmc/s5p_sdhci.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c index b203beef35..15ecfee961 100644 --- a/drivers/mmc/s5p_sdhci.c +++ b/drivers/mmc/s5p_sdhci.c @@ -101,29 +101,31 @@ struct sdhci_host sdhci_host[SDHCI_MAX_HOSTS]; static int do_sdhci_init(struct sdhci_host *host) { - int dev_id, flag; - int err = 0; + int dev_id, flag, ret; flag = host->bus_width == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE; dev_id = host->index + PERIPH_ID_SDMMC0; if (dm_gpio_is_valid(&host->pwr_gpio)) { dm_gpio_set_value(&host->pwr_gpio, 1); - err = exynos_pinmux_config(dev_id, flag); - if (err) { + ret = exynos_pinmux_config(dev_id, flag); + if (ret) { debug("MMC not configured\n"); - return err; + return ret; } } if (dm_gpio_is_valid(&host->cd_gpio)) { - if (dm_gpio_get_value(&host->cd_gpio)) + ret = dm_gpio_get_value(&host->cd_gpio); + if (ret) { + debug("no SD card detected (%d)\n", ret); return -ENODEV; + } - err = exynos_pinmux_config(dev_id, flag); - if (err) { + ret = exynos_pinmux_config(dev_id, flag); + if (ret) { printf("external SD not configured\n"); - return err; + return ret; } } |
