From patchwork Thu Mar 19 09:59:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Patrick Delaunay X-Patchwork-Id: 243911 List-Id: U-Boot discussion From: patrick.delaunay at st.com (Patrick Delaunay) Date: Thu, 19 Mar 2020 10:59:33 +0100 Subject: [PATCH 1/3] env: mmc: allow support of mmc_get_env_dev with OF_CONTROL Message-ID: <20200319105917.1.Ib0b23085d678421d429580e13560b4dad27c9378@changeid> Use the weak function mmc_get_env_dev in mmc_offset_try_partition function to allow dynamic selection of mmc device to use and no more use directly the define CONFIG_SYS_MMC_ENV_DEV. Signed-off-by: Patrick Delaunay --- env/mmc.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/env/mmc.c b/env/mmc.c index 251ad07d7c..902cca23ad 100644 --- a/env/mmc.c +++ b/env/mmc.c @@ -24,14 +24,25 @@ DECLARE_GLOBAL_DATA_PTR; +#if !defined(CONFIG_SYS_MMC_ENV_DEV) +#define CONFIG_SYS_MMC_ENV_DEV 0 +#endif + +__weak int mmc_get_env_dev(void) +{ + return CONFIG_SYS_MMC_ENV_DEV; +} + #if CONFIG_IS_ENABLED(OF_CONTROL) static inline int mmc_offset_try_partition(const char *str, s64 *val) { disk_partition_t info; struct blk_desc *desc; int len, i, ret; + char dev_str[4]; - ret = blk_get_device_by_str("mmc", STR(CONFIG_SYS_MMC_ENV_DEV), &desc); + snprintf(dev_str, sizeof(dev_str), "%d", mmc_get_env_dev()); + ret = blk_get_device_by_str("mmc", dev_str, &desc); if (ret < 0) return (ret); @@ -114,11 +125,6 @@ __weak int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr) return 0; } -__weak int mmc_get_env_dev(void) -{ - return CONFIG_SYS_MMC_ENV_DEV; -} - #ifdef CONFIG_SYS_MMC_ENV_PART __weak uint mmc_get_env_part(struct mmc *mmc) {