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mmc: sdhci-msm: Add interconnect bandwidth scaling support 

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>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/1591691846-7578-2-git-send-email-ppvk@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Pradeep P V K 2020-06-09 14:07:25 +05:30 committed by Ulf Hansson
parent b52fb259df
commit b4fc8278d2
1 changed files with 6 additions and 0 deletions
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6
drivers/mmc/host/sdhci-msm.c
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@ -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"
@ -2071,6 +2072,11 @@ 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);