Hey Pradeep,
Thanks for the patch.
On 2020-06-05 15:00, Pradeep P V K wrote:
Interconnect bandwidth scaling support is now added as a
part of OPP [1]. So, make sure interconnect driver is ready
can you please replace driver with paths
instead?
before handling interconnect scaling.
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)
sry didn't notice ^^ earlier
you might want to place these
comments and dependencies similar
to the following patch.
https://patchwork.kernel.org/patch/11573903/
Signed-off-by: Pradeep P V K <ppvk@xxxxxxxxxxxxxx>
---
drivers/mmc/host/sdhci-msm.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/mmc/host/sdhci-msm.c
b/drivers/mmc/host/sdhci-msm.c
index b277dd7..a945e84 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 +2071,13 @@ static int sdhci_msm_probe(struct
platform_device *pdev)
}
msm_host->bulk_clks[0].clk = clk;
+ /* Make sure that ICC driver is ready for interconnect bandwdith
typo /s/bandwdith/bandwidth
+ * scaling before registering the device for OPP.
+ */
/* Check for optional interconnect paths */
Maybe using ^^ would suffice since
that's what we are actually doing
Reviewed-by: Sibi Sankar <sibis@xxxxxxxxxxxxxx>
+ 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);
--
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