[PATCH v3 09/10] mmc: sdhci-tegra: Enable boot partitions scanning on Tegra20 and Tegra30
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2020-03-23 16:35:55
Also in:
linux-mmc, linux-tegra, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, secure digital host controller interface (sdhci) driver, the rest · Maintainers:
Ulf Hansson, Adrian Hunter, Linus Torvalds
Consumer-grade devices usually have a custom NVIDIA Tegra Partition table used by built-in eMMC storage. On some devices partition table resides on a boot eMMC partition, and thus, the boot partitions need to be scanned. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/mmc/host/sdhci-tegra.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 3e2c5101291d..364572eaed8a 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c@@ -100,6 +100,7 @@ #define NVQUIRK_NEEDS_PAD_CONTROL BIT(7) #define NVQUIRK_DIS_CARD_CLK_CONFIG_TAP BIT(8) #define NVQUIRK_CQHCI_DCMD_R1B_CMD_TIMING BIT(9) +#define NVQUIRK_SCAN_BOOT_PARTITIONS BIT(10) /* SDMMC CQE Base Address for Tegra Host Ver 4.1 and Higher */ #define SDHCI_TEGRA_CQE_BASE_ADDR 0xF000
@@ -1304,7 +1305,8 @@ static const struct sdhci_tegra_soc_data soc_data_tegra20 = { .pdata = &sdhci_tegra20_pdata, .dma_mask = DMA_BIT_MASK(32), .nvquirks = NVQUIRK_FORCE_SDHCI_SPEC_200 | - NVQUIRK_ENABLE_BLOCK_GAP_DET, + NVQUIRK_ENABLE_BLOCK_GAP_DET | + NVQUIRK_SCAN_BOOT_PARTITIONS, }; static const struct sdhci_pltfm_data sdhci_tegra30_pdata = {
@@ -1333,7 +1335,8 @@ static const struct sdhci_tegra_soc_data soc_data_tegra30 = { .nvquirks = NVQUIRK_ENABLE_SDHCI_SPEC_300 | NVQUIRK_ENABLE_SDR50 | NVQUIRK_ENABLE_SDR104 | - NVQUIRK_HAS_PADCALIB, + NVQUIRK_HAS_PADCALIB | + NVQUIRK_SCAN_BOOT_PARTITIONS, }; static const struct sdhci_ops tegra114_sdhci_ops = {
@@ -1586,6 +1589,9 @@ static int sdhci_tegra_probe(struct platform_device *pdev) /* HW busy detection is supported, but R1B responses are required. */ host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_RSP_BUSY; + if (tegra_host->soc_data->nvquirks & NVQUIRK_SCAN_BOOT_PARTITIONS) + host->mmc->scan_mmc_boot_partitions = true; + tegra_sdhci_parse_dt(host); tegra_host->power_gpio = devm_gpiod_get_optional(&pdev->dev, "power",
--
2.25.1