mmc: sdhci: Force probe of shdc1 based on boolean property
Force probing the sdhc1 bus even if it is not the boot device
by reading the device tree property qcom,force-sdhc1-probe.
Enables using the primary port for other use cases even when
the board is not using eMMC for boot.
Change-Id: I2a2b9d6a51037641720bdfd3107b2fadf385d7b5
Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 67008bb..242258c 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -4289,6 +4289,7 @@
struct resource *tlmm_memres = NULL;
void __iomem *tlmm_mem;
unsigned long flags;
+ bool force_probe;
pr_debug("%s: Enter %s\n", dev_name(&pdev->dev), __func__);
msm_host = devm_kzalloc(&pdev->dev, sizeof(struct sdhci_msm_host),
@@ -4352,8 +4353,13 @@
goto pltfm_free;
}
+ /* Read property to determine if the probe is forced */
+ force_probe = of_find_property(pdev->dev.of_node,
+ "qcom,force-sdhc1-probe", NULL);
+
/* skip the probe if eMMC isn't a boot device */
- if ((ret == 1) && !sdhci_msm_is_bootdevice(&pdev->dev)) {
+ if ((ret == 1) && !sdhci_msm_is_bootdevice(&pdev->dev)
+ && !force_probe) {
ret = -ENODEV;
goto pltfm_free;
}