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authorPradeep P V K <ppvk@codeaurora.org>2020-06-09 14:07:25 +0530
committerUlf Hansson <ulf.hansson@linaro.org>2020-07-13 12:18:22 +0200
commitb4fc8278d252288610d6160afb3df125c0514da3 (patch)
treeb962300c1d8cdfbbc5f3da0254fd4f4fa6afb8b1
parentb52fb259dff8d0da76d38005464edf4201b01d76 (diff)
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>
-rw-r--r--drivers/mmc/host/sdhci-msm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index c0d58e9fcc33..cdafc4f69ca5 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"
@@ -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);