Messages in this thread Patch in this message | | | From | Pradeep P V K <> | Subject | [PATCH V4 1/2] mmc: sdhci-msm: Add interconnect bandwidth scaling support | Date | Tue, 9 Jun 2020 14:07:25 +0530 |
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Interconnect bandwidth scaling support is now added as a part of OPP. So, make sure interconnect driver is ready before handling interconnect scaling.
Signed-off-by: Pradeep P V K <ppvk@codeaurora.org> Reviewed-by: Sibi Sankar <sibis@codeaurora.org> ---
This change is based on [1] [Patch v8] Introduce OPP bandwidth bindings (https://lkml.org/lkml/2020/5/12/493)
[2] [Patch v3] mmc: sdhci-msm: Fix error handling for dev_pm_opp_of_add_table() (https://lkml.org/lkml/2020/5/5/491)
drivers/mmc/host/sdhci-msm.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index b277dd7..15c42b0 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -14,6 +14,7 @@ #include <linux/slab.h> #include <linux/iopoll.h> #include <linux/regulator/consumer.h> +#include <linux/interconnect.h> #include "sdhci-pltfm.h" #include "cqhci.h" @@ -2070,6 +2071,11 @@ static int sdhci_msm_probe(struct platform_device *pdev) } msm_host->bulk_clks[0].clk = clk; + /* Check for optional interconnect paths */ + ret = dev_pm_opp_of_find_icc_paths(&pdev->dev, NULL); + if (ret) + goto bus_clk_disable; + msm_host->opp_table = dev_pm_opp_set_clkname(&pdev->dev, "core"); if (IS_ERR(msm_host->opp_table)) { ret = PTR_ERR(msm_host->opp_table); -- 1.9.1
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