From: Ulf Hansson <ulf.hansson@linaro.org>
To: Pradeep P V K <ppvk@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Rob Herring <robh+dt@kernel.org>,
Veerabhadrarao Badiganti <vbadigan@codeaurora.org>,
Stephen Boyd <sboyd@kernel.org>,
Georgi Djakov <georgi.djakov@linaro.org>,
Matthias Kaehlcke <mka@chromium.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
DTML <devicetree@vger.kernel.org>,
linux-mmc-owner@vger.kernel.org,
Rajendra Nayak <rnayak@codeaurora.org>,
sibis@codeaurora.org, matthias@chromium.org
Subject: Re: [PATCH V4 1/2] mmc: sdhci-msm: Add interconnect bandwidth scaling support
Date: Tue, 16 Jun 2020 13:32:11 +0200 [thread overview]
Message-ID: <CAPDyKFpqk7bvv9pWR63maqfxvquQ5QHUq7ACswLj78qmsBkyqQ@mail.gmail.com> (raw)
In-Reply-To: <1591691846-7578-2-git-send-email-ppvk@codeaurora.org>
On Tue, 9 Jun 2020 at 10:38, Pradeep P V K <ppvk@codeaurora.org> wrote:
>
> 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>
Applied for next, thanks!
Kind regards
Uffe
> ---
>
> 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
>
next prev parent reply other threads:[~2020-06-16 11:33 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-09 8:37 [PATCH V4 0/2] Add SDHC interconnect bandwidth scaling Pradeep P V K
2020-06-09 8:37 ` [PATCH V4 1/2] mmc: sdhci-msm: Add interconnect bandwidth scaling support Pradeep P V K
2020-06-15 23:12 ` Matthias Kaehlcke
2020-06-16 13:07 ` ppvk
2020-06-16 11:32 ` Ulf Hansson [this message]
2020-06-09 8:37 ` [PATCH V4 2/2] dt-bindings: mmc: sdhci-msm: Add interconnect BW scaling strings Pradeep P V K
2020-06-16 11:32 ` Ulf Hansson
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